Aquaculture in China: Success Stories and Modern Trends

Fish have been a major component of our diet and it has been suggested that fish/seafood consumption contributed to the development of the human brain, and this together with the acquisition of bipedalism, perhaps made us what we are.  In the modern context global fish consumption is increasing. However, unlike our other staples, until a few years back the greater proportion of our fish supplies were of a hunted origin. This scenario is changing and a greater proportion of fish we consume now is of farmed origin.

Aquaculture, the farming of waters, is thought to have originated in China, many millennia ago. Nevertheless, it transformed into a major food sector only since the second half of the last century, and continues to forge ahead, primarily in the developing world. China leads the global aquaculture production in volume, in the number of species that are farmed, and have contributed immensely to transforming the practices from an art to a science.

This book attempts to capture some of the key elements and practices that have contributed to the success of Chinese aquaculture. The book entails contributions from over 100 leading experts in China, and provides insights into some aquaculture practices that are little known to the rest of the world. This book will be essential reading for aquaculturists, practitioners, researchers and students, and planners and developers.

• Language: English
• Publisher: Wiley
• Release date: Mar 28, 2018
• ISBN: 9781119120766

Book preview

Table of Contents

Cover

titlepage

Copyright

Editors

List of Contributors

Foreword

Preface

Acknowledgments

Section 1: Notable Developments in Chinese Aquaculture in the Past Few Decades

Chapter 1.1: Contribution of Chinese Aquaculture to the Sector, Globally, and to Overall Food Security

1.1.1 Evolution of Chinese Aquaculture

1.1.2 Contribution of Chinese Aquaculture to Global Food Security and Nutrition

1.1.3 China's Contribution to Global Aquaculture Development

1.1.4 Future Contributions of Chinese Aquaculture to Global Food Security

References

Chapter 1.2: Inland Aquaculture: Trends and Prospects

1.2.1 Introduction

1.2.2 Current Status

1.2.3 Culture Techniques/systems

1.2.4 Conclusions

Acknowledgements

References

Chapter 1.3: Mariculture: Developments, Present Status and Prospects

1.3.1 Introduction

1.3.2 Current Status of Mariculture in China

1.3.3 Mariculture Modes and Technologies

1.3.4 Coastal Environment Management

1.3.5 Mariculture Management

1.3.6 Conclusions

References

Chapter 1.4: Chinese Aquaculture: Its Contribution to Rural Development and the Economy

1.4.1 Introduction

1.4.2 Significance of Chinese Aquaculture Industry in 2014

1.4.3 Experiences Gained from the Past Decades

1.4.4 Potential of Chinese Aquaculture

1.4.5 Conclusions

References

Chapter 1.5: Species Composition in Chinese Aquaculture with Reference to Trophic Level of Cultured Species

1.5.1 Introduction

1.5.2 Species Composition of Chinese Aquaculture

1.5.3 Diversity of Cultured Species

1.5.4 Cultured Species that are Independent of an External Feed Inputs

1.5.5 Trophic Levels of Cultured Species

1.5.6 Concluding Remarks

Acknowledgments

References

Section 2: Traditionally Farmed Species/Species Groups and Farming Practices

Chapter 2.1: Grass Carp: The Fish that Feeds Half of China

2.1.1 Introduction

2.1.2 Regions and Yields of Cultured Grass Carp

2.1.3 Culture Models

2.1.4 Grass Carp Breeding

2.1.5 Water Quality Control

2.1.6 Feeds

2.1.7 Disease Prevention and Control in Grass Carp

2.1.8 Improved Muscle Quality in Cultured Grass Carp

2.1.9 Culture Efficiency of Grass Carp

2.1.10 Prospects for Grass‐Carp Culture in China

Acknowledgments

References

Chapter 2.2: Typical Cases of Silver Carp Culture

2.2.1 Introduction

2.2.2 Pond Intercropping

2.2.3 Silver Carp Culture in Large Water Bodies

Example I (In Net‐Enclosed Lake Area)

Example II (In Lake)

Example III (In Reservoir)

2.2.4 Prospects

References

Chapter 2.3: Developments in Common Carp Culture and Selective Breeding of New Varieties

2.3.1 Introduction

2.3.2 Why Common Carp?

2.3.3 Common Carp Farming

2.3.4 Selective Breeding for New Varieties

2.3.5 Market Potential

2.3.6 Current Problems and Future Prospects

References

Chapter 2.4: Crucian Carp and Gibel Carp Culture

2.4.1 Introduction

2.4.2 Main Varieties and Centers of Culture

2.4.3 Habitats and Nutritional Requirements

2.4.4 Hatching, Fry Rearing and Seed Supply

2.4.5 Mono‐ and Polyculture of Gibel Carp

2.4.6 Conclusions and Possible Future

References

Chapter 2.5: Recent Developments in Bream Culture: Culture Systems and Genetic Improvement

2.5.1 Introduction

2.5.2 The Main Regions of Bream Culture Activities in China

2.5.3 Biological Characteristics Related to Aquaculture

2.5.4 Culture / Farming Systems

2.5.5 Germplasm Resources

2.5.6 Improvements in Artificial Propagation

2.5.7 Constraints

2.5.8 Markets and Marketing

2.5.9 Conclusions

References

Chapter 2.6: Integrated Rice‐Field Aquaculture in China, A Long‐Standing Practice, with Recent Leapfrog Developments

2.6.1 Introduction

2.6.2 Evolutionary Developments of Integrated Rice‐Field Aquaculture

2.6.3 Main Models for Integrated Rice Field Aquaculture

2.6.4 Take Home Message and Conclusions

Acknowledgments

References

Section 3: Emerging Cultured Species/Species Groups

Chapter 3.1: Freshwater Pearl Culture

3.1.1 Introduction

3.1.2 Major Culture Areas

3.1.3 Development History of the Industry

3.1.4 Farm Environment

3.1.5 Culture Methods

3.1.6 Recent Technological Progress

3.1.7 Marketing

3.1.8 Development Prospects

References

Chapter 3.2: Chinese mitten Crab Culture: Current Status and Recent Progress Towards Sustainable Development

3.2.1 Introduction

3.2.2 Lifecycle and Biology

3.2.3 Seed Production

3.2.4 Juvenile Culture (The First Year Culture of Crablets)

3.2.5 Grow‐out Culture (The Second Year Culture of Market‐sized Adults)

3.2.6 Markets and Marketing

References

Chapter 3.3: Culture of the Oriental River Prawn (Macrobrachium nipponense)

3.3.1 Introduction

3.3.2 Main Cultivation Regions and Past Trends

3.3.3 Culture/farming Systems

3.3.4 Advances in Genetics and Culture Technology

3.3.5 Constraints

3.3.6 Markets and Marketing

3.3.7 Future Prospects and Conclusions

References

Chapter 3.4: Mud Crab, Scylla paramamosain China's Leading Maricultured Crab

3.4.1 Introduction

3.4.2 Economic Value and Aquaculture Yield of Mud Crabs

3.4.3 Culture Practices

3.4.4 Major Challenges and Solutions in Mud Crab Farming

References

Chapter 3.5: Sturgeon Culture: Status and Practices

3.5.1 Introduction

3.5.2 Sturgeon Resources and the Main Farmed Species

3.5.3 Sturgeon Farming Areas and Practices

3.5.4 The Major Farming Practices

3.5.5 Problems and Challenges

References

Chapter 3.6: Snakehead Culture

3.6.1 Introduction

3.6.2 The Main Region of Culture Activities in China

3.6.3 Past Trends

3.6.4 Culture Environments

3.6.5 Culture/Farming System(s)

3.6.6 Main Advances in Culture Technology over the Last Decade or More

3.6.7 Markets and Marketing

3.6.8 Constraints

3.6.9 Future Prospects

References

Chapter 3.7: Mandarin Fish Culture: Status and Development Prospects

3.7.1 Why is It Mandarin Fish (Siniperca chuatsi)?

3.7.2 Biological Characteristics of Mandarin Fish

3.7.3 The Value and Significance of Mandarin Fish in Aquaculture

3.7.4 Development and Status of Mandarin Fish Culture

3.7.5 Key Factors for the Success of Mandarin Fish Culture in China

3.7.6 Culture Modes

3.7.7 Major Challenges to Up‐Scaling Mandarin Fish Culture

3.7.8 Conclusions

References

Chapter 3.8: The Success of Yellow Catfish Aquaculture in China: From Rare Wild Fish to Popular Farmed Fish

3.8.1 Introduction

3.8.2 Current Status of Yellow Catfish Culture

3.8.3 Main Advances in Culture Technology in the Last Two Decades

3.8.4 Challenges Confronting Yellow Catfish Aquaculture

3.8.5 Market Aspects

3.8.6 Prospects for Yellow Catfish Culture

Acknowledgments

References

Chapter 3.9: Aquaculture of the Paddy Eel, Monopterus albus

3.9.1 Introduction

3.9.2 Culture Techniques and Methods

3.9.3 Innovations of M. albus Culture Technology over the past Decade

3.9.4 Current Problems in M. albus Culture

3.9.5 Conclusions and Prospects

References

Chapter 3.10: Aquaculture of the Large Yellow Croaker

3.10.1 Introduction

3.10.2 Development of Large Yellow Croaker Culture

3.10.3 Development and Promotion of Industrialization (2011– to Date)

3.10.4 Current Status and Farming Modes of Large Yellow Croaker Culture

3.10.5 Potential of the Industry of Large Yellow Croaker Aquaculture

3.10.6 Main Factors Affecting Large Yellow Croaker Aquaculture

References

Chapter 3.11: Flatfish Farming

3.11.1 Why Flatfish?

3.11.2 The Lifecycle of Cultured Flatfish

3.11.3 Flatfish Farming Industry

3.11.4 Key Factors Responsible for the Success of Flatfish Farming

3.11.5 Success of Culture Developments

3.11.6 Major Challenges to Up‐Scaling Flatfish Aquaculture in China

3.11.7 Ensuring Sustainable Flatfish Farming Sector

3.11.8 Conclusions

3.11.9 Author Contributions

References

Chapter 3.12: Rabbitfish – an Emerging Herbivorous Marine Aquaculture Species

3.12.1 Introduction

3.12.2 The Taxonomic Status, Geographical Distribution, and Feeding Habits

3.12.3 Commercial Value and Aquaculture of Rabbitfish

3.12.4 Challenges Confronting the Development of Rabbitfish Culture

References

Chapter 3.13: Soft‐Shelled Turtle Culture

3.13.1 Soft‐Shelled Turtle: An Emerging Aquaculture Species

3.13.2 Development Overview

3.13.3 Principle Farming Models and Practices

3.13.4 Soft‐Shelled Turtle Feeds

3.13.5 Fingerling Production

3.13.6 Water‐Quality Control and Disposal

3.13.7 Marketing and Processing

3.13.8 Conclusions and Prospects

References

Chapter 3.14: Hard‐Shelled Turtle Culture

3.14.1 Introduction

3.14.2 Aspects of Biology of Chinese Turtles

3.14.3 Chinese Turtle Species Cultured

3.14.4 Aquaculture Models

3.14.5 Value Chain of the Turtle Culture Industry

3.14.6 Sustainable Development of Turtle Culture

3.14.7 Constraints of Turtle Culture

3.14.8 Future Prospects

References

Section 4: Alien Species in Chinese Aquaculture

Chapter 4.1: Crayfish (Procambarus clarkii) Cultivation in China: A Decade of Unprecedented Development

4.1.1 Introduction

4.1.2 Aquaculture of Crayfish in China

4.1.3 Farming Systems and Practices

4.1.4 Harvest and Transportation

4.1.5 Conclusion

References

Chapter 4.2: Development of the Culture of the White‐Legged Shrimp, Penaeus vannamei

4.2.1 Introduction

4.2.2 Overview of the Development of P. vannamei Culture in China

4.2.4 Constraints

4.2.5 Prospects

References

Chapter 4.3: Channel Catfish Culture

4.3.1 Introduction

4.3.2 Development of Channel Catfish Aquaculture in China

4.3.3 Status of Channel Catfish Aquaculture and the Fisheries Economy

4.3.4 Improvements on Feeds

4.3.5 Innovative Technologies

Acknowledgments

References

4.4 Status and Trends of the Tilapia Farming Industry Development

4.4.1 Introduction

4.4.2 Major Tilapia Farming Areas

4.4.3 History of Tilapia Farming in China

4.4.4 Tilapia Farming Environment

4.4.5 Tilapia Farming Systems

4.4.6 Advances in Farming Technology Over the Last Decade or More

4.4.7 Marketing and Markets

4.4.8 Major Factors that Influenced China's Success in Tilapia Farming

References

4.5 Development of Largemouth Bass (Micropterus salmoides) Culture

4.5.1 Introduction

4.5.2 Major Cultivation Regions and Artificial Propagation Models

4.5.3 Micropterus salmoides Culture Techniques

4.5.4 Consumer Demand for Micropterus salmoides

4.5.5 Key Factors Affecting the Development of the Industry

4.5.6 Trends in Industry Development

References

Section 5: Developments in Feeds in Chinese Aquaculture

Chapter 5.1: Feed Developments in Freshwater Aquaculture

5.1.1 Introduction

5.1.2 Nutrient Requirements and Diet Formulation

5.1.3 Alternative Proteins and Supplemental Amino Acids

5.1.4 Alternative Lipids

5.1.5 Additives

5.1.6 Feeding Technology

5.1.7 Nutritional Manipulation for Improving Fish Quality

5.1.8 Future Prospects

References

Chapter 5.2: Feed Developments in Mariculture

5.2.1 Introduction

5.2.2 Importance of Feeds for Mariculture

5.2.3 Present Status of Feeds Used in Mariculture

5.2.4 History of Mariculture Feed Development

References

Section 6: Genetic Breeding and Seed Industry

Chapter 6.1: Applications of Genetic Breeding Biotechnologies in Chinese Aquaculture

6.1.1 Genetic Breeding History and Genetic Improvement Contribution in Aquaculture

6.1.2 Genetic Breeding Biotechnologies and Bred Varieties

6.1.3 Potential Genetic Breeding Biotechnologies

6.1.4 Conclusions

References

Chapter 6.2: Half‐Smooth Tongue Sole (Cynoglossus semilaevis): Whole Genome Sequencing to Molecular Sex Control

6.2.1 Introduction

6.2.2 Genetic Background

6.2.3 Genome Sequencing

6.2.4 Epigenetic Regulation in Sex Reversal

6.2.5 Cloning and Characterization of Important Genes for Sex Determination and Differentiation

6.2.6 Development of Genetic Linkage Maps

6.2.7 Isolation of Sex‐Specific Molecular Markers and Identification of Genetic Sex

6.2.8 Development of Artificial Gynogenetic Induction Technique

6.2.9 Technology Development of High Production of Female Offspring

6.2.10 Summary

Acknowledgments

References

Chapter 6.3: Stock Enhancement and Genetic Preservation of Chinese Mitten Crab (Eriocheir sinensis) in the Yangtze River Estuary

6.3.1 Introduction

6.3.2 Chinese Mitten Crab Resources

6.3.3 Key Scientific Issues

6.3.4 Ecological Conditions of the Yangtze River Estuary

6.3.5 Biology of Chinese Mitten Crab in the Yangtze River Estuary

6.3.6 Stock Enhancement Technology

6.3.7 Effects of Stock Enhancement

6.3.8 Conclusions and Areas for Future Study

References

Chapter 6.4: Enhancing Aquaculture Through Artificial Propagation: Freshwater Fish Fry and Fingerling Production

6.4.1 Historical Changes of Species Cultured

6.4.2 Historical Developments of Fry Production

6.4.3 Key Technologies of the Aquatic Seed Industry

6.4.4 Contribution of Improvements in Fry Availability to Freshwater Aquaculture

6.4.5 Government Policies

References

Section 7: Environmental-Related Issues in Chinese Aquaculture

Chapter 7.1: Multi-Trophic Mariculture Practices in Coastal Waters

7.1.1 Introduction

7.1.2 Sungo Bay

7.1.3 IMTA Developments in China

References

Chapter 7.2: Ecological Engineering Technologies for Optimizing Freshwater Pond Aquaculture

7.2.1 Introduction

7.2.2 Sources of Effluent of Pond Aquaculture

7.2.3 Treatment Facilities for Ecological Engineering of Water Quality of Ponds

7.2.4 Eco‐Engineered Recirculating Aquaculture Systems

7.2.5 Establishment of Ecological Aquaculture Zones

References

Chapter 7.3: Disease Prevention and Control

7.3.1 Introduction

7.3.2 Viral Diseases of Cultured Animals

7.3.3 Bacterial and Fungal Diseases in Aquaculture

7.3.4 Parasitic Diseases in Aquaculture

7.3.5 Control and Prevention of Aquatic Animal Diseases

7.3.6 Conclusions

Acknowledgments

References

Chapter 7.4: Development of Lake and Reservoir Aquaculture Related Practices in China

7.4.1 Introduction

7.4.2 Stock Enhancement in Yangtze Lakes with Fish Seed from Rivers

7.4.3 Introduction of Wastewater and Fertilizers to Increase Productivity

7.4.4 Intensive Aquaculture Using Feeds in Lakes and Reservoirs

7.4.5 Eco‐Fisheries in Lakes and Reservoirs

7.4.6 Conclusions

Acknowledgments

References

Chapter 7.5: In Situ Conservation of Aquatic Genetic Resources and Associated Reserves

7.5.1 Introduction

7.5.2 Aquaculture and Aquatic Genetic Resources

7.5.3 Present Status of National Aquatic Genetic Resource Reserves (NAGRR)

7.5.4 Regulations of National Aquatic Genetic Resource Reserves

References

Section 8: Development Strategies and Prospects

Chapter 8.1: Development Strategies and Prospects – Driving Forces and Sustainable Development of Chinese Aquaculture

8.1.1 Introduction

8.1.2 Major Driving Forces Leading to the Rapid Development of Chinese Aquaculture

8.1.3 Significance and Potential Developments in Chinese Aquaculture

8.1.4 Development Strategy for Chinese Aquaculture

8.1.5 Tasks and Measures for Green and Sustainable Development of Chinese Aquaculture

8.1.6 Safeguard Measures and Policies

8.1.7 Concluding Remarks

References

Index

End User License Agreement

List of Tables

Chapter 1.1: Contribution of Chinese Aquaculture to the Sector, Globally, and to Overall Food Security

Table 1.1.1 Percentage contribution of China's aquaculture to domestic and global fish supplies.

Table 1.1.2 Contribution of China's aquaculture to fish supply in 2013 by species groups.

Table 1.1.3 Contribution of China's aquaculture to world fish consumption growth (% Contribution = contribution of China's aquaculture to world fish consumption growth between 1980 and 2011).

Table 1.1.4 Contribution of China to world fish exports by species group and or commodities.

Table 1.1.5 Major Chinese agencies that have conducted international training in fisheries and aquaculture.

Table 1.1.6 List of approved numbers of pure breeds of farmed aquatic species by MoA, China.

Chapter 1.2: Inland Aquaculture: Trends and Prospects

Table 1.2.1 Trends in average production (tonnes) over the last 5 years of the top 15 ranked finfish, crustaceans and reptiles cultured in inland waters in China.

Table 1.2.2 Details on stocking, harvest, feed used and cost–benefit analysis of a multi‐layered cage culture model in Geheyan Reservoir, Hubei Province.

Table 1.2.3 Comparison between traditional rice‐fish system and modern rice‐fish system.

Chapter 1.3: Mariculture: Developments, Present Status and Prospects

Table 1.3.1 Annual economic return from eelgrass beds in Chu Island, Shandong Province (2013).

Chapter 1.4: Chinese Aquaculture: Its Contribution to Rural Development and the Economy

Table 1.4.1 Aquaculture methods used in China.

Table 1.4.2 Marine species cultured in northern China. Source: Liu (2008).

Table 1.4.3 Prediction of the domestic fish demand 2020–2030 in China.

Chapter 1.5: Species Composition in Chinese Aquaculture with Reference to Trophic Level of Cultured Species

Table 1.5.1 Species and varieties used in Chinese freshwater aquaculture.

Table 1.5.2 Species and varieties used in Chinese mariculture.

Table 1.5.3 Biodiversity indices of cultured species.

Table 1.5.4 Trophic level of Chinese freshwater aquaculture by species and species groups from 1950 to 2014.

Table 1.5.5 Trophic level of Chinese mariculture by species and species groups from 1985 to 2014.

Chapter 2.1: Grass Carp: The Fish that Feeds Half of China

Table 2.1.1 Examples of typical grass carp feed formulations.

Table 2.1.2 Costs of main items and associated profit comparison, based on annual averages, of different grass‐carp culture models. Unit: RMB.

Chapter 2.2: Typical Cases of Silver Carp Culture

Table 2.2.1 Fish stocking and harvesting pattern of farms with a net production above 10 500 kg/ha (in the middle and upper reaches of the Yangtze River).

Table 2.2.2 Stocking and harvesting of silver carp as a secondary species (Wuxi, Jiangsu Province).

Table 2.2.3 Details on the stocking and harvesting in Sanbanxi reservoir (4000 ha) branch, Jinping County, Guizhou Province.

Chapter 2.3: Developments in Common Carp Culture and Selective Breeding of New Varieties

Table 2.3.1 Recorded Cyprinus species and their distribution in China.

Table 2.3.2 Current common carp varieties cultured in China and their places of origin.

Chapter 2.5: Recent Developments in Bream Culture: Culture Systems and Genetic Improvement

Table 2.5.1 Aquaculture production of blunt snout bream (in t) in different regions of China.

Table 2.5.2 The two main culture systems for blunt snout bream.

Chapter 2.6: Integrated Rice-Field Aquaculture in China, A Long-Standing Practice, with Recent Leapfrog Developments

Table 2.6.1 Feeding rates (% of body weight) of supplementary feeds for the soft‐shelled turtle in rice fields (Jiang et al. 2015).

Chapter 3.1: Freshwater Pearl Culture

Table 3.1.1 A summary of the development stages of the freshwater pearl industry in China.

Chapter 3.2: Chinese mitten Crab Culture: Current Status and Recent Progress Towards Sustainable Development

Table 3.2.1 General protocol for indoor intensive larval rearing of E. sinensis in commercial hatcheries.

Table 3.2.2 Proximate composition of formulated diets used in grow‐out culture stages for E. sinensis (crude protein, total lipid and ash are expressed as percent dry weight).

Table 3.2.3 The molting time and growth in weight (% WGR) at each molting for both males and females during adult culture of Eriocheir sinensis.

Chapter 3.4: Mud Crab, Scylla paramamosain China's Leading Maricultured Crab

Table 3.4.1 Effects of seaweed on yields and survival rate of cultured animals.

Chapter 3.5: Sturgeon Culture: Status and Practices

Table 3.5.1 The developmental phases of sturgeon aquaculture in China.

Table 3.5.2 Native sturgeon species and their main distribution areas in China.

Table 3.5.3 Main sturgeon species groups commercially farmed in China.

Table 3.5.4 Sturgeon farming scale, based on average annual production in 2011 in different provinces in China.

Chapter 3.7: Mandarin Fish Culture: Status and Development Prospects

Table 3.7.1 Size range of palatable prey fish at different growth stages of mandarin fish.

3.7.2 Daily food consumption of mandarin fish at different growth stages.

Chapter 3.8: The Success of Yellow Catfish Aquaculture in China: From Rare Wild Fish to Popular Farmed Fish

Table 3.8.1 Formula for sperm preservation solution.

Table 3.8.2 The main composition (%) of yellow catfish feed.

Chapter 3.9: Aquaculture of the Paddy Eel, Monopterus albus

Table 3.9.1 Trends in the yield (t) of M. albus in different provinces in China (2009–2013). Data from the China Fishery Statistical Yearbook.

Chapter 3.10: Aquaculture of the Large Yellow Croaker

Table 3.10.1 Trends in the changes in the number of hatcheries (Hatch.) and the total fry production of large yellow croaker, in different regions of Fujian Province from 1997 to 2000.

Table 3.10.2 Production of large yellow croaker in Fujian Province and its ratio to other sea‐cage cultured marine fishes in China (1997–1999).

Table 3.10.3 Annual mariculture production (tonnes) of the larger yellow croaker between 2001 and 2013.

Chapter 3.12: Rabbitfish – an Emerging Herbivorous Marine Aquaculture Species

Table 3.12.1 Mean (±SD) of a number of parameters representative of the growth performance of S. canaliculatus maintained on different diets for eight weeks.

Table 3.12.2 Growth parameters (mean ± SD) of S. canaliculatus fed diets with different ratio of seaweed for eight weeks.

Table 3.12.3 Growth parameters (mean ± SD) of S. canaliculatus fed diets with fish oil (FO) or different ratio of soybean oil (SO) for eight weeks.

Chapter 3.13: Soft-Shelled Turtle Culture

Table 3.13.1 Common aquatic species poly‐cultured with soft‐shelled turtle.

Table 3.13.2 Recommended stocking densities (SD: ind./ha) of aquatic species in soft‐shelled turtle–shrimp polyculture model.

Table 3.13.3 Main ingredients in a referenced typical feed formula (in percent dry weight) for juvenile soft‐shelled turtle.

Chapter 4.1: Crayfish (Procambarus clarkii) Cultivation in China: A Decade of Unprecedented Development

Table 4.1.1 Details on the stocking, harvesting and economic benefits of rotational rice‐crayfish culture (RCC), and continued rice‐crayfish culture (CCC).

Chapter 4.2: Development of the Culture of the White-Legged Shrimp, Penaeus vannamei

Table 4.2.1 A comparison of the characteristics of big and small shed ponds used in P. vannamei culture.

Table 4.2.2 Brief description of the different modes of inland/freshwater culture of P. vannamei.

Chapter 4.3: Channel Catfish Culture

Table 4.3.1 Channel catfish production and exports from 2003–2013 in tonnes, together with values of export in US$ from 2007–2013.

Table 4.3.2 A comparison of selected parameters on channel catfish culture in the United States and China and indigenous catfish species in Vietnam.

4.4 Status and Trends of the Tilapia Farming Industry Development

Table 4.4.1 Fact sheet of important introductions of tilapias to China.

Table 4.4.2 Common feed formulation for tilapia of body weight of 0–50 g.

Table 4.4.3 Feed formulation for tilapia of body weight of 50–250 g.

Table 4.4.4 Feed formulation for tilapia of body weight of above 250 g.

Chapter 5.1: Feed Developments in Freshwater Aquaculture

Table 5.1.1 Predicted aquafeed requirements in 2012 (x 10 000 tonnes).

Table 5.1.2 Nutrient requirements for gibel carp at different growth stages.

Table 5.1.3 Recommended ingredient inclusion levels in dietary formulation and feed conversion ratio for gibel carp at different growth stages.

Table 5.1.4 Total production (mmt) and production based on feeds (mmt), average fishmeal in feed, and the weighted trophic level of major species in Chinese aquaculture in 2014.

Table 5.1.5In vitro digestibility of some feed ingredients by gibel carp (%).

Table 5.1.6 Apparent digestibility for gibel carp.

Table 5.1.7 Apparent digestibility of main feed ingredients by black carp (%).

Table 5.1.8 Apparent digestibility of main feed ingredients by blunthead bream (%).

Chapter 5.2: Feed Developments in Mariculture

Table 5.2.1 Percentage production of cultured marine species that are fed formulated feeds in China from 1985 to 2014.

Table 5.2.2 Nutrients requirement of large yellow croaker of different sizes.

Table 5.2.3 Nutrients requirement of sea bass at different sizes.

Chapter 6.1: Applications of Genetic Breeding Biotechnologies in Chinese Aquaculture

Table 6.1.1 Improved varieties produced through population selection and family selection in China.

Table 6.1.2 Crossbred hybrid varieties produced through intraspecific hybridization in China.

Table 6.1.3 Crossbred hybrid varieties produced through interspecific hybridization in China.

Table 6.1.4 Mono‐sex varieties of fish species cultured in China.

Table 6.1.5 Algal varieties produced through mutagenesis in China.

Table 6.1.6 The basic aquaculture projects supported by National Key Basic Research Program of China.

Chapter 6.3: Stock Enhancement and Genetic Preservation of Chinese Mitten Crab (Eriocheir sinensis) in the Yangtze River Estuary

Table 6.3.1 Mean digestive enzyme activities in hepatopancreas of mature females and males of E. sinensis in response to increasing salinities (Mean ± S.E.M, n=7–9); Unit: μ/mg protein.

Chapter 6.4: Enhancing Aquaculture Through Artificial Propagation: Freshwater Fish Fry and Fingerling Production

Table 6.4.1 Changes in the number of farms involved in production of fry through artificial propagation of cultured species.

Table 6.4.2 Information on 79 National farms with responsibilities for fry and fingerling production of wild and domesticated aquatic organisms.

Chapter 7.1: Multi-Trophic Mariculture Practices in Coastal Waters

Table 7.1.1 Comparison of growth of sea cucumber at different densities (treatments).

Table 7.1.2 The service values afforded to people by the core services of mariculture systems in four different mariculture modes in Sungo Bay, based on ecosystem‐valuing approaches.

Table 7.1.3 Seasonal changes in mean weight, and specific growth rates of cultured fish species.

Table 7.1.4 Trends in changes in standing stock and food consumption rates of cultured fish species.

Table 7.1.5 Trends in seasonal changes in standing stock and ammoniacal nitrogen excretion of main cultured fish species.

Table 7.1.6 Trends in seasonal changes in fecal production (t) of main cultured fish.

Chapter 7.2: Ecological Engineering Technologies for Optimizing Freshwater Pond Aquaculture

Table 7.2.1 Range, average and net emission levels of main effluents from conventional freshwater fish pond aquaculture.

Table 7.2.2 Mean concentration of selected parameters of fish pond water (in mg/l) quality in August and September.

Table 7.2.3 Design parameters for eco‐slope purification facilities.

Table 7.2.4 System design parameters for biochemical ditch purification facilities.

Table 7.2.5 Design parameters for a composite bio‐floating bed.

Table 7.2.6 Design parameters for subsurface wetland applied to aquaculture water treatment.

Table 7.2.7 Design parameters for an eco‐engineered pond recirculating aquaculture system.

Table 7.2.8 Comparison between water consumption and discharge in different aquaculture modes (TN, TP and COD discharge amounts).

Table 7.2.9 Features of an ecological engineering system.

Chapter 7.3: Disease Prevention and Control

Table 7.3.1 Some pathogenic viruses isolated from organisms in Chines aquaculture.

Table 7.3.2 Comparison of essential features of immune systems in teleost fish and mammals.

Table 7.3.3 List of known pathogenic bacteria and aquaculture hosts around the world (Pridgeon and Klesius 2012).

Table 7.3.4 Common pathogenic bacteria reported in cultured aquatic species in China.

Table 7.3.5 List of known pathogenic fungi and aquaculture hosts.

Table 7.3.6 Fungal infections reported in aquaculture species.

Table 7.3.7 Parasites reported from aquatic species cultured in China.

Chapter 7.4: Development of Lake and Reservoir Aquaculture Related Practices in China

Table 7.4.1 Species and quantity of fish fry introduced to associated lakes by the opening of sluice gates of the Yangtze River.

Table 7.4.2 A comparison between two types of introducing fish from rivers into lakes.

Table 7.4.3 Main cage culture fish species, mean production and net income.

Table 7.4.4 Comparative analysis on three types of pen aquaculture and their environmental effects in Taihu Lake.

Chapter 7.5: In Situ Conservation of Aquatic Genetic Resources and Associated Reserves

Table 7.5.1 List of fresh water aquatic species cultured in China. The data have been compiled from a variety of sources.

Table 7.5.2 List of marine species cultured in China. The data have been obtained from various sources.

Table 7.5.3 Types of National Aquatic Genetic Resources Reserves.

Table 7.5.4 Numbers of NAGRRs in Different Administrative Regions (YRFAC –Yellow River Fishery Administrative Committee; MOA – Ministry of Agriculture).

Table 7.5.5 Distribution of aquatic genetic resources reserves in different river basins and seas.

Table 7.5.6 Categories of the Protected Species in NAGRRs.

Table 7.5.7 The Number of Protected Species in Different Administrative Regions.

Table 7.5.8 The distribution of the NAGRRs containing the main protected fish species.

Table 7.5.9 The distribution of the NAGRRs containing the main protected crustacean, shellfish, other main protected aquatic animal and aquatic plants.

Chapter 8.1: Development Strategies and Prospects - Driving Forces and Sustainable Development of Chinese Aquaculture

Table 8.1.1 Ecosystem services of different types of mariculture in Sanggou Bay, northeastern China.

List of Illustrations

Chapter 1.1: Contribution of Chinese Aquaculture to the Sector, Globally, and to Overall Food Security

Figure 1.1.1 Contribution of China's aquaculture to fish supply domestically and globally. Source: FAO data on aquaculture and fisheries production (http://www.fao.org/fishery/statistics/en)

Figure 1.1.2 Per capita fish consumption: China vs. the world. Source: FAO data on fish consumption (http://www.fao.org/fishery/statistics/global‐consumption/en)

Figure 1.1.3 China's contributions to world fish exports. Source: FAO data on aquaculture and fisheries production (http://www.fao.org/fishery/statistics/en); FAO data on fish consumption (http://www.fao.org/fishery/statistics/global‐consumption/en).

Figure 1.1.4 Distribution of trainees of FFRC (1981–2014).

Figure 1.1.5 Global Trends in the State of World Marine Fish Stocks, 1974–2011. Source: FAO (2016).

Chapter 1.2: Inland Aquaculture: Trends and Prospects

Figure 1.2.1 Trends in Chinese freshwater aquaculture production (x 1000 t), and its percentage contribution to global freshwater aquaculture production; global freshwater aquaculture production (x 1000 t) and its percentage contribution to global aquaculture production from 1950 to 2015. Source: Data from FAO 2017.

Figure 1.2.2 Average inland aquaculture production (x 1000 t) over the last five years (2011–2015) in the different provinces. Source: Data from China Fishery Statistical Yearbook 1982–2016.

Figure 1.2.3 Trends in production of relatively high‐valued freshwater aquatic species cultured. Source: Data from China Fishery Statistical Yearbook 1982–2016.

Figure 1.2.4 Schematic representation of the forms of freshwater aquaculture practices in China; the species/species groups cited in each instance are used for example only. Source: Modified from Wang et al. 2015.

Figure 1.2.5 Trends in Chinese freshwater cage culture production (in x 1000 t) and area (in x million m²) from 2003 to 2015. Source: Data from China Fishery Statistical Yearbook 1982–2016.

Figure 1.2.6 Trends in total CBF production and corresponding unit production in reservoirs and lakes, in China. Source: Data from China Fishery Statistical Yearbook 1982–2016.

Chapter 1.3: Mariculture: Developments, Present Status and Prospects

Figure 1.3.1 Comparison of trends in annual mariculture and marine capture fisheries production. Source: Based on data from China Fishery Statistical Yearbook 2001–2015.

Figure 1.3.2 Mariculture area from 2000 to 2014. Source: Data from China Fishery Statistical Yearbook 2001–2015.

Figure 1.3.3 Annual output value of mariculture in China (2003–2014).

Figure 1.3.4 The proportional output (%) of the major mariculture categories in China (based on data from China Fishery Statistical Yearbook 2001–2015).

Figure 1.3.5 Output of major maricultured shellfish species in 2014.

Figure 1.3.6 Floating rafts used for scallop (top) and kelp (Laminaria japonica) farming (bottom).

Figure 1.3.7 Production of cultured major algal species in China in 2014.

Figure 1.3.8 Production of key maricultured crustacean species in 2014.

Figure 1.3.9 Production of major maricultured finfish species in 2014.

Figure 1.3.10 Outputs and farming areas of different types of mariculture in 2014. Source: Data from China Fishery Statistical Yearbook 2001–2015.

Figure 1.3.11 Schematic diagram of a mariculture raft. Note: 1. floating raft rope; 2. float/buoy at sea level; 3. anchor rope; 4. anchor/stake; 5. hanging rope; 6. cultured kelp in long‐line/scallop in lantern net.

Figure 1.3.12 Integrated Multi‐Trophic Aquaculture (IMTA) practiced in Sungo Bay, China.

Figure 1.3.13 Farmers working on IMTA system.

Figure 1.3.14 A simplified schematic diagram showing relationship in abalone–sea cucumber–kelp integrated farming system.

Chapter 1.4: Chinese Aquaculture: Its Contribution to Rural Development and the Economy

Figure 1.4.1 Production output of aquaculture and capture fisheries in 2014. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.2 Value of aquaculture and capture fisheries in 2014. Source: China Fishery Statistical Yearbook (2014) (6 RMB= I US$).

Figure 1.4.3 Inland and marine aquaculture areas in 2014. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.4 Share of inland aquaculture areas based on systems. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.5 The proportionate share (%) of areas used in mariculture of different species groups. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.6 Production of the major species groups in inland and marine aquaculture in 2014. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.7 The percent distribution of full‐time fishery workers in the different sectors. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.8 Major export fishery products by quantity. Source: Yearbook of China Fisheries Import and Export (2014).

Figure 1.4.9 The value of major exported fishery products. (Source: Yearbook of China Fisheries Import and Export 2014).

Figure 1.4.10 The main export markets, based on quantity, for fishery products of China. Source: Yearbook of China Fisheries Import and Export (2014).

Figure 1.4.11 The main markets for export of fishery products based on value. Source: Yearbook of China Fisheries Import And Export (2014).

Figure 1.4.12 Trends in capture fisheries and aquaculture production. Source: China Statistical Abstract (2014).

Figure 1.4.13 Trends in inland aquaculture and mariculture production. Source: China Statistical Abstract (2014).

Figure 1.4.14 Trends in the acreage used for inland aquaculture and mariculture. Source: China Rural Statistical Yearbook (2014).

Figure 1.4.15 The relative percentage contribution in production of different culture systems to inland aquaculture in 2014. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.16 The relative percentage contribution in production of different culture systems to mariculture in 2014. Source: China Fishery Statistical Yearbook (2014).

Figure 1.4.17 Comparative changes in the per capita availability of meat and fish. Source: China Statistical Yearbook (2014).

Chapter 1.5: Species Composition in Chinese Aquaculture with Reference to Trophic Level of Cultured Species

Figure 1.5.1 Decadal (a) and annual (b) changes in Chinese aquaculture production by species groups. Data source: China Fishery Statistical Yearbook (2004–2016); FAO (1950–2013).

Figure 1.5.2 Decadal (a) and annual (b) changes in Chinese freshwater aquaculture production by species groups. Data source: China Fishery Statistical Yearbook (2004–2016); FAO (1950–2013).

Figure 1.5.3 Decadal (a) and annual (b) changes in Chinese mariculture production by species group. Data source: China Fishery Statistical Yearbook (2004–2016); FAO (1950–2013).

Figure 1.5.4 Cluster analysis of Shannon–Wiener index (H') of the main aquaculture producers in the world. Data source: FAO (1950–2013).

Figure 1.5.5 Changes in Shannon–Wiener index (H') of the main aquaculture producers in the world. Data source: FAO (1950–2013).

Figure 1.5.6 Decadal (a) and annual (b) changes in the use of non‐fed species in Chinese aquaculture. Data source: Tang et al. (2016a, App. 1–2).

Figure 1.5.7 Decadal (a) and annual (b) changes in the percentage of non‐fed species in Chinese freshwater aquaculture. Data source: Tang et al. (2016a, App. 1).

Figure 1.5.8 Decadal (a) and annual (b) changes in non‐fed species of Chinese mariculture. Data source: Tang et al. (2016a, App. 2).

Figure 1.5.9 Decadal (a) and annual (b) changes in mean trophic level of species used in Chinese aquaculture. Data source: Tang et al. (2016a, App. 5–6).

Figure 1.5.10 Changes in trophic pyramid structure of Chinese aquaculture, and aquaculture, freshwater aquaculture and mariculture production by calculated weighted mean trophic level, the percentage based on the proportional contribution to the total production, total species production taken from China Fishery Statistical Yearbook (2004–2016) and FAO (1950–2013), and trophic levels for individual species taken from App. 5–6 of Tang et al. (2016a).

Chapter 2.1: Grass Carp: The Fish that Feeds Half of China

Figure 2.1.1 Grass carp, Ctenopharyngodon idellus. Source: Photo by Dapeng Li.

Figure 2.1.2 Yield of cultured grass carp in different regions of China. Data source: China Fisheries Yearbook (2014).

Figure 2.1.3 Exhibition board of recirculating pond aquaculture model for grass carp.

Figure 2.1.4 Green‐grass aquaculture model of grass carp culture, in which the grass replaces the bulk need of compounded pellet feed. Source: Photo by Xiaodong Sun.

Figure 2.1.5 A pond for ecological grass‐carp culture. Note: the central platform used for cultivation of different types of grasses that are used as food for the stock.

Figure 2.1.6 A concrete hatching tank used for incubation of grass carp eggs, popularly referred to as Chinese Design of Concrete Hatching Tanks, used for all major Chinese carp species. Source: Photo by Huihui Cheng.

Figure 2.1.7 Biological floating‐beds in grass‐carp culture ponds that help in maintaining water quality.

Figure 2.1.8 The chart of 2005–2015 annual price change trends in the farm gate price of grass carp, and the price of grass carp feed, in Honghu City. Data source: Honghu City, Hongxianxi aquaculture professional cooperatives.

Chapter 2.2: Typical Cases of Silver Carp Culture

Figure 2.2.1 Harvesting of silver carp and bighead carp in Poyang Lake, Hubei Province. Source: Photos by Zhongjie Li.

Figure 2.2.2 Harvesting of silver carp and bighead carp in Poyang Lake, Hubei Province. Source: Photos by Zhongjie Li.

Figure 2.2.3 Harvesting of silver carp and bighead carp in Poyang Lake, Hubei Province. Source: Photos by Zhongjie Li.

Chapter 2.3: Developments in Common Carp Culture and Selective Breeding of New Varieties

Figure 2.3.1 The proportionate production of cultured common carp in different countries in 2013.

Figure 2.3.2 Trends in common carp production in China and other countries from 1984 to 2013.

Figure 2.3.3 The mean production of cultured common carp in each province in China.

Figure 2.3.4 Commonly used spawning and hatching methods for common carp.

Figure 2.3.5 Hatching containers for common carp eggs. a. cement tanks; b. incubation jars; c. circular incubation pools. (See color plate section for the color representation of this figure.)

Figure 2.3.6 Production and percent contribution from different culture practices of freshwater fish in China in 2013.

Figure 2.3.7 Schematic representation of the energy flow in traditional common carp culture.

Figure 2.3.8 Trends in the production of aquatic feeds in China.

Figure 2.3.9 Schematic representation of the culture process of common carp through the life cycle.

Figure 2.3.10 Summerling harvesting.

Figure 2.3.11 Removal of snow from overwintering ponds of common carp culture ponds in northern China. (See color plate section for the color representation of this figure.)

Figure 2.3.12 Representative common carp varieties. a. Heilongjiang wild carp; b. Huanghe carp; c. Purse red carp.

Figure 2.3.13 Schematic representation of selective breeding process of Jian carp.

Figure 2.3.14 Schematic representation of the selective breeding process of Songpu carp and Songhe carp.

Figure 2.3.15 Schematic representation of the selective breeding process of the cold‐resistant strain of Purse red carp.

Figure 2.3.16 Schematic representation of the selective breeding process of Songpu mirror carp.

Figure 2.3.17 Schematic representation of the selective breeding process of Songpu red mirror carp.

Figure 2.3.18 Schematic representation of the selective breeding process of FFRC strain carp.

Figure 2.3.19 Schematic representation of the selective breeding process of Easy caught carp.

Chapter 2.4: Crucian Carp and Gibel Carp Culture

Figure 2.4.1 The annual production of crucian carp in China (China Fishery Statistical Yearbook 2016).

Figure 2.4.2 Phenotypes of the most popularly improved varieties of gibel carp in China. a. allogynogenetic gibel carp; b. high dorsal allogynogenetic gibel carp; c. allogynogenetic gibel carp CAS III.

Figure 2.4.3 The main regions of Carassius auratus culture activities in China (China Fishery Statistical Yearbook 2016).

Figure 2.4.4 The allogynogenesis, seed production, and commercial fish culture of allogynogenetic gibel carp CAS III. (See color plate section for the color representation of this figure.)

Chapter 2.5: Recent Developments in Bream Culture: Culture Systems and Genetic Improvement

Figure 2.5.1 Blunt snout bream (Megalobrama amblycephala).

Figure 2.5.2 Other breams of the genera Megalobrama and Parabramis. a. M. skolkovii; b. M. hoffmanni; c. M. pellegrini; d. P. pekinensis.

Figure 2.5.3 The natural distribution of five bream species in China. Source: Data from China Fishery Statistical Yearbook (2004–2016).

Figure 2.5.4 Trends in aquaculture production of all bream species since 1950. Source: data from FAO and CAFS.

Figure 2.5.5 Schematic representation of the layout of the ecosystem for aquaculture of blunt snout bream in Jiangsu Province (after Gu et al. 2013).

Figure 2.5.6 Comparison of mean body weight between the selected line (F5) and control group. The fish from these two groups were reproduced artificially on the same day.

Figure 2.5.7 Comparison of survival rate between the selected line (F5) and control group. The fish from these two groups were reproduced artificially on the same day.

Chapter 2.6: Integrated Rice-Field Aquaculture in China, A Long-Standing Practice, with Recent Leapfrog Developments

Figure 2.6.1 Percent contribution of production (left) and farming area for each of the freshwater environment types in China. Data source: China Fishery Statistical Yearbook (1984–2016).

Figure 2.6.2 Production and farming area for integrated rice‐field aquaculture from 1983–2015 in China. Data source: China Fishery Statistical Yearbook (1984–2016).

Figure 2.6.3 Four basic patterns of channels dug in rice fields to facilitate integrated rice‐animal culture. Source: modified from Zhang et al. (2017).

Figure 2.6.4 Examples of fence types (top – plastic fence; bottom – ceramic fence) installed to prevent escape of cultured animals in rice fields. Source: Photo by Jiashou Liu and Tanglin Zhang.

Figure 2.6.5 Main provincial production and area for integrated rice‐field aquaculture in 2015 in China. Data source: China Fishery Statistical Yearbook (1984–2016).

Figure 2.6.6 Large‐scale rice crayfish aquaculture in Qianjiang, Hubei Province. Source: Photo by Zhonghu Tao. (See color plate section for the color representation of this figure.)

Figure 2.6.7 Integrated rice field aquaculture with crayfish (right) and the fyke net (left) for harvest in Jianli County, Hubei Province. Source: Photo by Qidong Wang. (See color plate section for the color representation of this figure.)

Chapter 3.1: Freshwater Pearl Culture

Figure 3.1.1 The major provinces that produce freshwater pearls and their yields (in kg) in China during 2014 (Ministry of Agriculture, Fisheries Administration 2015).

Figure 3.1.2 Freshwater pearl yields from 1972 to 2014.

Figure 3.1.3 Cage‐hanging cultivation of freshwater pearl mussels. (See color plate section for the color representation of this figure.)

Figure 3.1.4 Shenzi No. 1 Hyriopsis cumingii.

Figure 3.1.5 Schematic representation of the layout and features of the Chinese freshwater pearl trading markets.

Chapter 3.2: Chinese mitten Crab Culture: Current Status and Recent Progress Towards Sustainable Development

Figure 3.2.1 Trends in the annual farmed production of adult E. sinensis from 1993 to 2015.

Figure 3.2.2 The distribution of annual farmed production of adult E. sinensis in China in 2015.

Figure 3.2.3 The lifecycle and relevant culture stages of E. sinensis. Source: Modified after Wang et al. (2013).

Figure 3.2.4 The harvesting of pond‐reared megalopae of E. sinensis using a drag net.

Figure 3.2.5 Typical juvenile crab pond in China (Jintan crab farm, Jiangsu Province, China, 2015). Note the macrophyte beds in the ponds. (See color plate section for the color representation of this figure.)

Figure 3.2.6 The aquatic plant Alternanthera philoxeroides in a typical juvenile crab pond of E. sinensis (Jintan crab farm, Jiangsu Province, China, 2015).

Figure 3.2.7 The bottom aeration system using micropore used in juvenile rearing ponds of E. sinensis (Jintan crab farm, Jiangsu Province, China, 2015). (See color plate section for the color representation of this figure.)

Figure 3.2.8 The changes of monthly body weight (WG) of E.sinensis during the adult culture stage. * indicates a significant difference between males and females in a particular month (P <0.05).

Figure 3.2.9 Size distribution frequency of adult E. sinensis at harvest (%). A: Females, B: Males.

Figure 3.2.10 The paddy‐field culture system, integrating rice production and Chinese mitten crab grow‐out in northern China.

Chapter 3.3: Culture of the Oriental River Prawn (Macrobrachium nipponense)

Figure 3.3.1 Macrobrachium nipponense (left: male; right: female).

Figure 3.3.2 Trends in annual farmed production of M. nipponense in China.

Figure 3.3.3 Annual farmed production of M. nipponense in different provinces of China for 2015.

Chapter 3.4: Mud Crab, Scylla paramamosain China's Leading Maricultured Crab

Figure 3.4.1 Scylla paramamosain (top) and S. serrata (bottom).

Figure 3.4.2 Lifecycle of Scylla paramamosain. Source: After Holme et al. (2009).

Figure 3.4.3 Main mud crab farming provinces (highlighted in purple) in China.

Figure 3.4.4 Mud crab production in the three major provinces of China, from 2006 to 2013. Source: China Fishery Statistical Yearbook (2007–2014).

Figure 3.4.5 Factory culture system for mud crab; each container (30 x 200 x 180 cm) accommodates 100 crabs on average.

Chapter 3.5: Sturgeon Culture: Status and Practices

Figure 3.5.1 Trends in sturgeon aquaculture production in China and in the world, and the percentage contribution of the former to world production (FAO 2015).

Figure 3.5.2 A sturgeon farm in Dujiangyan, Sichuan, located below a reservoir dam, utilizing the water discharged.

Figure 3.5.3 Amur sturgeon farm in Yunnan province, using water from a stream.

Figure 3.5.4 Sturgeon farm base of Hangzhou Qiandaohu Xunlong Sci‐tech Co. Ltd.

Figure 3.5.5 Liujiaxia reservoir sturgeon base of Haidong Sturgeon Exploitation Co. Ltd., Ningxia Province.

Figure 3.5.6 Ponds farming of sturgeon of Hubei Yangtze River Aquatic strains testing station. (See color plate section for the color representation of this figure.)

Figure 3.5.7 Schematic representation of the basic process of ecologically integrated recirculating sturgeon farming systems. Source: After Sun (2015).

Chapter 3.6: Snakehead Culture

Figure 3.6.1 Snakeheads cultured in China.

Figure 3.6.2 Trends in the aquaculture production of snakehead in China.

Figure 3.6.3 The distribution map of main farming regions of snakehead.

Figure 3.6.4 An example of an extruded feed bag used in snakehead culture.

Figure 3.6.5 Snakehead at a wholesale market in Wuhan, Hubei Province. (See color plate section for the color representation of this figure.)

Chapter 3.7: Mandarin Fish Culture: Status and Development Prospects

Figure 3.7.1 Mandarin fish Siniperca chuatsi.

Figure 3.7.2 Fry (a) and fingerlings (b) of mandarin fish.

Figure 3.7.3 Production of cultured mandarin fish in China (Chinese Fishery Yearbook 1994–2015).

Figure 3.7.4 Mean percentage of mandarin fish production in different provinces in China from 2006 to 2014.

Figure 3.7.5 An intensive mandarin fish culture pond.

Figure 3.7.6 Prey fish commonly used for mandarin fish pond culture. (a) C. moliotorella; (b) C. mrigal; (c) L. rohita; (d) A. nobilis; (e) H. molitrix; (f) C.auratus.

Figure 3.7.7 Flowchart of estimation method of rational stocking numbers of mandarin fish in different water bodies. Source: Adopted from Li et al. (2014).

Chapter 3.8: The Success of Yellow Catfish Aquaculture in China: From Rare Wild Fish to Popular Farmed Fish

Figure 3.8.1 Yellow catfish, Pelteobagrus fulvidraco. Source: Photo by Dapeng Li. (See color plate section for the color representation of this figure.)

Figure 3.8.2 Annual yield of cultured yellow catfish in China (from 2003 to 2015).

Figure 3.8.3 The production of cultured yellow catfish in different provinces of China in 2013.

Figure 3.8.4 Schematic diagram of multi‐layered cage used in yellow catfish culture.

Figure 3.8.5 Cages for yellow catfish culture located in Qingjiang Reservoir of Hubei Province (photo by Dapeng Li).

Chapter 3.9: Aquaculture of the Paddy Eel, Monopterus albus

Figure 3.9.1 The main areas of M. albus culture in China (marked in red).

Figure 3.9.2 Cage culture in ponds (CCP) of M. albus. (See color plate section for the color representation of this figure.)

Figure 3.9.3 Soilless M. albus culture using slow‐flowing water in China.

Figure 3.9.4 M. albus cage culture in plastic greenhouses. (See color plate section for the color representation of this figure.)

Chapter 3.10: Aquaculture of the Large Yellow Croaker

Figure 3.10.1 Adult specimen of the large yellow croaker.

Figure 3.10.2 Geographic distribution, spawning and over‐wintering grounds (shading) of the large yellow croaker (Larimichthys crocea, Sciaenidae) in coastal waters of China and south‐west South Korea (20–36° N and 110–127° E) (modified from Liu and Sadovy 2008). There are three putative geographical stocks along coastal waters of China, the Daiquyang (tiles), Min‐Yuedong (5‐point starts) and Naozhou (starbursts) stocks. Full names of spawning grounds (n = 15) are given with old names in parentheses. From north to south, these are: SKI, South Korea‐inshore; LSY, Lvsiyang (Luszeyang); DQY, Daiquyang (Taichuyang); DMY, Damuyang; MTY, Maotouyang (Miaotouyang); DTY, Dongtouyang (Tongtouyang); GJY, Guanjingyang (Kuanchingyang); DYI, Dongyin island; NSI, Niushan island; XMO, Xiamen (Amoy)‐offshore; NAI, Nanao‐inshore; SWO, Shanwei (Swawei)‐offshore; HK, Hong Kong; NZ, Naozhou (Naochow); XW, Xuwen. OW‐1, over‐wintering ground in the southern Yellow Sea (32°00′–34°00′N); OW‐2, over‐wintering ground in offshore northern Zhejiang Province (30°30′–33°00′N and 124°00′–126°30′E); OW‐3, over‐wintering ground between southern Zhejiang and southern Fujian Provinces (OW‐3, 23°30′–29°00′N). Two‐way arrows indicated inferred fish migrations.

Figure 3.10.3 Enclosure net farming of the large yellow croaker (Larimichthys crocea, Sciaenidae) in Ningde City, Fujian Province, China. Source: Photograph by Shuqiu Xie.

Figure 3.10.4 Marine Venice nearby Sanduao island, Ningde City, Fujian Province, China. Source: Photograph by Shuqiu Xie).

Chapter 3.11: Flatfish Farming

Figure 3.11.1 View of greenhouse for nursery and on‐growing system of turbot.

Figure 3.11.2 Turbot (Scophthalmus maximus Linnaeus).

Figure 3.11.3 Japanese flounder (Paralichthys olivaceus).

Figure 3.11.4 Half‐smooth tongue sole (Cynoglossus semilaevis); female fish (above); male fish (below).

Figure 3.11.5 Production of flatfish in China from 2003 to 2015. Source: Data from the China Fishery Statistical Yearbook.

Figure 3.11.6 Output value of turbot, left‐eye flounder, and right‐eye flounder from 2003 to 2014. Source: Data from FAO (2015).

Figure 3.11.7 Distribution of farms and markets of flatfish in China. Note: black points in the map represent the farms and the arrows represent the distribution of markets, with thick arrow indicating major markets.

Figure 3.11.8 Schematic representation of an RAS for turbot culture.

Figure 3.11.9 The proportionate component costs of an RAS.

Figure 3.11.10 Bottom frame of improved traditional cage.

Figure 3.11.11 HDPE square floating cage.

Figure 3.11.12 HDPE circular submersible cage.

Figure 3.11.13 A circulating water pond‐aquaculture system used in flatfish culture.

Figure 3.11.14 Schematic representation of the value‐chain structure of flatfish production.

Chapter 3.12: Rabbitfish - an Emerging Herbivorous Marine Aquaculture Species

Figure 3.12.1 Rabbitfish Siganus canaliculatus (above) and S. fuscescens (below).

Chapter 3.13: Soft-Shelled Turtle Culture

Figure 3.13.1 Distribution of soft‐shelled turtle in China. The production values in 2014 are used in the lower diagram.

Figure 3.13.2 Annual output of farmed soft‐shelled turtle in China.

Figure 3.13.3 New greenhouse (left, light‐shed plastic ceiling; right, shows solar energy heating equipment).

Figure 3.13.4 A pond culture facility (shows the fencing on the far side and structures provided for the turtles to bask in the sun). (See color plate section for the color representation of this figure.)

Figure 3.13.5 Fertilized eggs collected, selected, and arranged in hatching trays.

Figure 3.13.6 Two‐phase culture of greenhouse and pond.

Figure 3.13.7 Turtle‐rice integrated cultivation (left), and rice rotation in ponds (right).

Figure 3.13.8 Soft‐shelled turtle polyculture with shrimp.

Figure 3.13.9 The propagation base of soft‐shelled turtle.

Figure 3.13.10 PCR–RFLP (left) and HRM–SNP (right) identification method for four soft‐shelled turtles (1–5, 6–10, 11–15, and 16–20 represent Taihu population, Taiwan population, Japanese strain and Yellow river population, respectively).

Figure 3.13.11 Five‐step selective breeding procedure for soft‐shelled turtle.

Figure 3.13.12 Dorsal view of Japanese strain (left), and ventral view of Qingxi black turtle (right).

Figure 3.13.13 Ventral view of hybrid soft‐shelled turtle and its parents (from left to right shows Japanese strain, Qingxi black turtle, and its hybrid offspring).

Figure 3.13.14 Recommended disposal procedure for the effluents from soft‐shelled turtle greenhouses.

Chapter 3.14: Hard-Shelled Turtle Culture

Figure 3.14.1 Major species of turtles cultured in China (a. Chinese three‐keeled pond turtle (M. reevesii), b. Chinese stripe‐necked turtle (M. sinensis), c. Asian yellow pond turtle (M. mutica), d. Chinese three‐striped box turtle (C.trifasciata) e. Yellow‐margined box turtle (C. flavomarginata)).

Figure 3.14.2 Trends in the production of larvae and market‐sized, hard‐shelled turtle in China from 2003 to 2014 (China Fishery Statistical Yearbook 2004–2015).

Figure 3.14.3 Major culture models of turtles in China. a. (top left) earthen culture pond; b. (top right) large cement culture pond; c. (bottom left) smaller cement pools; d. (bottom right) multi‐layered cement tank system. Every unit is divided into water, with a land and sand area. The sand area is used for laying eggs.

Chapter 4.1: Crayfish (Procambarus clarkii) Cultivation in China: A Decade of Unprecedented Development

Figure 4.1.1 Trends in crayfish aquaculture production in China, and its percent contribution to global crayfish production from 2003 to 2015.

Figure 4.1.2 Trend in crayfish aquaculture value in China from 2003 to 2015.

Figure 4.1.3 Average crayfish aquaculture production (t) over the last five years (2011–2015) in the different provinces.

Figure 4.1.4 Value chain of crayfish farming in China.

Figure 4.1.5 Crop calendar of rotational rice‐crayfish culture model (a); and continued rice‐crayfish culture model (b).

Figure 4.1.6 Crop calendar of crayfish‐mitten crab‐finfish pond polyculture system (EC = E. canadensis; HV = H. verticillata).

Figure 4.1.7 A typical lotus‐crayfish farming system; farmer used long net trap to harvest crayfish in Honghu City, Hubei Province, China.

Figure 4.1.8 Crop calendar of lotus‐crayfish culture system.

Figure 4.1.9 (a) A typically long net trap using for harvest crayfish in China; (b) entrance; (c) cone‐shaped collection mesh bag.

Figure 4.1.10 A crayfish harvest transported to a restaurant is sorted out according to size. Consumers pay different prices based on average size for a dish.

Chapter 4.2: Development of the Culture of the White-Legged Shrimp, Penaeus vannamei

Figure 4.2.1 Maricultured shrimp in China and the relative proportions of cultured aquatic products exported from China in 2014. Source: Data from China Fishery Statistical Yearbook (2015).

Figure 4.2.2 Production intensities of farmed P. vannamei in the different provinces of China in 2014. Source: Based on data from China Fishery Statistical Yearbook (2015).

Figure 4.2.3 Trends in production of Fenneropenaeus chinensis (1992–2002) and P. vannamei (2003–2012) in China. Source: Based on data from China Fishery Statistical Yearbook (1993–2013.)

Figure 4.2.4 Intensive culture models of P. vannamei: (a) ordinary earthen ponds model; (b) the high intensity pond model; (c) big shed pond model; (d) big shed model.

Figure 4.2.5 Steps taken to selectively breed Guihai No. 1

Figure 4.2.6 Total volume of shrimp exports, and that to the USA from China, and imports to China for the period 1992–2011. Source: Data from UN Comtrade Database: http://comtrade.un.org/.

Figure 4.2.7 The percent composition forms of shrimp exports from China, and imports to China.

Chapter 4.3: Channel Catfish Culture

Figure 4.3.1 Schematic representation of the development phases of the channel catfish culture industry in China.

Figure 4.3.2 The distribution of channel catfish aquaculture in China. The mean production values are from 2008 to 2013.

Figure 4.3.3 Cage culture in Qingjiang Reservoir of Hubei Province.

4.4 Status and Trends of the Tilapia Farming Industry Development

Figure 4.4.1 Distribution map of world's tilapias farming countries and production volume.

Figure 4.4.2 Global tilapia production volume from 2004 to 2014.

Figure 4.4.3 Major tilapia farming areas and production volume distribution.

Figure 4.4.4 Trends in tilapia production volumes in major farming areas from 2009–2014.

Figure 4.4.5 Standardized tilapia farming ponds in Guangdong province.

Figure 4.4.6 Framework of tilapia breeding systems.

Figure 4.4.7 Flowchart of comprehensive development and utilization of tilapia processing by‐products.

4.5 Development of Largemouth Bass (Micropterus salmoides) Culture

Figure 4.5.1 Largemouth bass, Micropterus salmoides.

Figure 4.5.2 Annual production of Micropterus salmoides from 2003 to 2013 in China. Source: China Fishery Statistical Yearbook (2014).

Figure 4.5.3 Largemouth bass spawning nest and incubation tank.

Figure 4.5.4 Largemouth bass cage culture system in a reservoir.

Chapter 5.1: Feed Developments in Freshwater Aquaculture

Figure 5.1.1 Relationship between aquaculture production and aquafeed production in China.

Figure 5.1.2 Proportion of formulated feeds used in aquaculture.

Figure 5.1.3 The percentage contribution of those species that are fed commercial feeds that include fishmeal to the total freshwater aquaculture production in China in 2014. For each species mean dietary fishmeal inclusion level is also given. Red swamp crayfish (Procambarus clarkii Girard) is not included in freshwater shrimp because most of the crayfish aquaculture do not use aquafeeds. Data are from China Fishery Statistical Yearbook (2015). Data of fishmeal inclusion level in feeds for each species are from the main aquafeed producers in China. (Adopted from Han et al. 2016.)

Figure 5.1.4 Specific growth rate (SGR) of gibel carp fed different diets at different feeding frequencies (▪black bar: soybean meal diet; □hollow bar: soybean meal supplemented with amino acids based on the chemical composition of fish meal protein; ▨diagonal: soybean meal supplemented with amino acids based on the digestible composition of fishmeal protein) (Zhao 2014).

Figure 5.1.5 Effects of dietary substitution of fishmeal by cottonseed meal on the growth of grass carp at different life stages (juvenile, middle‐sized and market size). Source: Modified after Yan (2012).

Chapter 5.2: Feed Developments in Mariculture

Figure 5.2.1 The production and popularization rate of shrimp feed in the period 2000 to 2014. The number on the point means the estimated usage rate of shrimp artificial feeds as a percentage of shrimp produced, based on feed in total shrimp production.

Chapter 6.2: Half‐Smooth Tongue Sole (Cynoglossus semilaevis): Whole Genome Sequencing to Molecular Sex Control

Figure 6.2.1 Two‐year‐old female and male half‐smooth tongue sole (Cynoglossus semilaevis).

Figure 6.2.2 The chromosome spreads of female and male half‐smooth tongue sole at gastrula stage. Arrowheads indicate the W chromosomes.

Figure 6.2.3 Evolution and structure of the Z chromosome. (a) Common origin of the tongue sole and chicken Z chromosomes. In the genomes of tongue sole and chicken, genomic regions are assigned colors, and vertical bars that represent the correspondence of individual regions to the ancestral chromosomes in the gnathostome ancestor, from which the respective regions originated. The tongue sole Z chromosome is orthologous to the chicken Z chromosome (red) and autosomes 15 (purple) and 17 (red). (b) The bar representing the Z chromosome is composed of differently sized fragments assigned by four colors (blue: Z–S, Z‐specific genes; gray: Z–A, orthologous genes between Z and the autosome; yellow: Z–W, homologous genes between Z and W; orange: PAR, pseudoautosomal region). The red and cyan lines above the bar indicate the 5‐methylcytosine density for the female and male, respectively, in 5‐kb windows throughout Z. The blue line above the bar depicts the male‐to‐female (M:F) expression ratio by running an average of 20 genes throughout the Z chromosome. The gray background shows the distribution of TEs across the Z chromosome using a 100‐kb sliding window with a 10‐kb step. The y axis on the left denotes 5‐methylcytosine density, and the y axis on the right denotes the log2 M:F ratio and the repeat density in parentheses. M, million.

Figure 6.2.4 Characterization of dmrt1 in half‐smooth tongue sole. (a) dmrt1 BAC FISH analysis of tongue sole chromosomes showing a double signal in males and a single signal in females. (b) RT‐PCR analysis of dmrt1 during developmental stages in female (black bar) and male (red bar) tongue sole. The data are shown as the mean ± s.e.m. (n = 3). (c) Methylation status across the differentially methylated region (DMR) of dmrt1 in the gonads of an adult WZ female, a ZZ male and a WZ female compared to male sex‐reversed fish. The schematic diagram at the top shows the genomic structure of dmrt1 in tongue sole. Blue boxes: exons, white boxes: 3′ and 5′ UTR regions. Black arrow: the direction of the dmrt1 gene from transcriptional start site. Green line: the methylation level of each cytosine, identified on both DNA strands throughout the dmrt1 gene in female and male fish. Gray shadow: the DMR.

Figure 6.2.5 Sex‐reversal rate in F1 generation of normal males and pseudo‐males of the half‐smooth tongue sole, Cynoglossus semilaevis.

Figure 6.2.6 Microsatellite linkage map for the half‐smooth tongue sole, Cynoglossus semilaevis. The consensus genetic map comprises of 1009 markers assigned to 21 linkage groups (LG1–LG21). Genetic distances in Kosambi centimorgans (cM) are listed on the left side of the linkage groups, and markers are listed on the right side of the linkage groups.

Figure 6.2.7 Schematic diagram of high‐resolution SNP genetic bin map in half‐smooth tongue sole. 12 142 SNPs were assembled into 1 350 bins having continuous 10 SNPs in each bin except for the insufficient SNPs on the distal of LGs. The intervals of bins were marked by red lines and the width of the bin stands for its genetic distance.

Figure 6.2.8 Agarose gel separation of SCAR CseF382 PCR amplification products with primers CseF382N1 and CseF382C1 in females and males. (A) DNA was from the 15 females and 13 males previously used for screening sex‐specific AFLP markers. (B) DNA was taken from an additional nine female individuals and nine male individuals. (C) DNA was taken from an additional 17 female individuals and 17 male individuals.

Figure 6.2.9 Genetic sex identification of half‐smooth tongue sole using sex‐specific microsatellite genetic marker (a) identification of females (ZW) and males (ZZ).1–12 on the left: females; 1–12 on the right: males; (b) identification of males (ZZ) and super‐females (WW) in mitogynogenetic embryos. 3, 21, 24, 35: super‐females; others: males. Source: Adopted from Chen et al. (2012).

Figure 6.2.10 Chromosome analysis of normal embryos and gynogenetic embryos. (a) Normal male tongue sole; (b) gynogenetic haploids; (c) gynogenetic diploids, showing a ZZ individual; (d) gynogenetic diploid embryos, showing a WW individual, two huge WW chromosomes were observed (arrowhead).

Figure 6.2.11 Roadmap of the high‐female breeding technology. SSR: simple sequence repeat; SCAR: sequence‐characterized amplified region.

Chapter 6.3: Stock Enhancement and Genetic Preservation of Chinese Mitten Crab (Eriocheir sinensis) in the Yangtze River Estuary

Figure 6.3.1 Chinese mitten crab caught in the Yangtze river estuary.

Figure 6.3.2 Habitats of the Yangtze river estuary.

Figure 6.3.3 Chinese mitten crab.

Figure 6.3.4 Double tag on Chinese mitten crab.

Figure 6.3.5 Stock enhancement of Chinese mitten crab: automatic releasing equipment used (a), as well as the traditional (past) mode of release (b).

Figure 6.3.6 Survival (mean±S.E.M) rate of E. sinensis cleavage embryos (seven days after spawning) exposed to six vitrifying solutions. A (30%PG+20%DMF), B (30%MeOH+20%DMF), C (30%PG+20%MeOH), D (30%PG+10%MeOH+10%DMF), E (30%DMSO+20%PG), F (20%DMSO+30%MeOH), whereas 2‐5 represent two‐step, three‐step, and five‐step method. Same letters above the error bar indicate that values are not significantly different (P>0.05).

Figure 6.3.7 Embryonic development of E. sinensis after cryopreservation. (a) the second day of pre‐nauplius stage embryo after elution. It was equilibrated for 40 min in code A vitrifying solution and frozen for 40 min in liquid nitrogen; (b) the third day of frozen pre‐nauplius stage embryo; (c) the fourth day of frozen egg‐nauplius stage embryo; (d) the second day of original zoea‐stage embryo after elution. It was equilibrated for 40 min in A vitrifying solution and frozen for 2 hr in liquid nitrogen; (e) the third day of frozen original zoea‐stage embryo; (f) the fourth day of frozen original zoea‐stage embryo; (g) the fifth day of frozen original zoea‐stage embryo; (h) the sixth day of frozen original zoea‐stage embryo, the tail curved; (i) the seventh day of frozen original zoea‐stage embryo, the embryo hatched.

Chapter 6.4: Enhancing Aquaculture Through Artificial Propagation: Freshwater Fish Fry and Fingerling Production

Figure 6.4.1 Trends in the changes of the mean number of new varieties used in aquaculture in China, in different periods. Source: Adopted from Zhang 2015; http://www.shuichan.cc/news_view‐259977.html.

Figure 6.4.2 Traditional method of collecting wild fry in rivers (the trap net).

Figure 6.4.3 The relationship between freshwater aquaculture production and wild fry availability in China, prior to the development of artificial propagation techniques.

Figure 6.4.4 Changes in the production of wild fry, artificially propagated fry, and aquaculture production in Guangdong province.

Figure 6.4.5 Circular spawning ponds commonly used for carp species.

Figure 6.4.6 Circular incubating ponds (spawning pond of removable polythene nets and concrete stairs).

Figure 6.4.7 Trends in production of artificially propagated fry and freshwater aquaculture in China, from 1996 to 2013. Source: Compiled from China Fishery Statistical Yearbook.

Figure 6.4.8 The production of cultured tilapia and fry in China from 2003 to 2013. Source: Compiled from China Fishery Statistical Yearbook.

Figure 6.4.9 The relationship between the production of mandarin fish and freshwater artificially propagated fry production in China from 1996 to 2013.

Figure 6.4.10 The relationship between the production of mud carp and mandarin fish in Guangdong province from 1987 to 1996.

Chapter 7.1: Multi-Trophic Mariculture Practices in Coastal Waters

Figure 7.1.1 The location and distribution of mariculture practices of Sungo Bay, China.

Figure 7.1.2 Schematic representation of the principle of the IMTA system of kelp, abalone, and sea cucumber, as practiced in Sungo Bay.

Figure 7.1.3 Schematic diagram and practice of IMTA system of abalone, seaweeds, and sea cucumber, in Sungo Bay.

Figure 7.1.4 Diagrammatic IMTA of longline culture of finfish, bivalves, and kelp, practiced in Sungo Bay.

Figure 7.1.5 Production of main species of enhancement in Sungo Bay.

Chapter 7.2: Ecological Engineering Technologies for Optimizing Freshwater Pond Aquaculture

Figure 7.2.1 A representative example of an eco‐slope.

Figure 7.2.2 Schematic representation of an eco‐slope.

Figure 7.2.3 The layout of a composite water‐quality regulation, and control‐pond aquaculture system.

Figure 7.2.4 Purification channel with three‐dimensional elastic