Pond Dynamics/Aquaculture CRSP
Sixteenth Annual Administrative Report

1 August 1997 to 31 July 1998

Contents

INTRODUCTION - 95 K Acrobat File

RESEARCH SUPPORT - 171 K Acrobat File

Central Database Management (Bolte, MOU No. RD009G)
Education Development (McNamara, MOU No. RD009E)
Information Management and Networking (Goetze, MOU No. RD009D)

RESEARCH SUMMARY - 99 K Acrobat File

RESEARCH PROJECTS - 223 K Acrobat File

Pond Dynamics Research (Boyd, Subcontract No. RD010A-07)

• Pond Soil Characteristics and Dynamics of Soil Organic Matter and Nutrients
  
Reproduction Control Research (Shelton, Subcontract No. RD010A-02)

• Nile Tilapia Gamete Management for Chromosome Manipulation
  
Reproduction Control Research (Phelps, Subcontract No. RD010A-09)

• Methods for Strain Variations in Sex Ratio Inheritance and Methods for Contribution from the Male and Female Genome to Sex Inheritance
  
• Methods for Development of YY Lines of Male and Female O. niloticus
  
• Masculinization of Tilapia Fry by Immersion in Trenbolone Acetate (TBA) at a Production Level
  
• Detection of MT in Pond Water after Treatment with MT Food
  
Reproduction Control Research (Fitzpatrick, MOU No. RD009C)

• Steroid Immersion for Masculinization of Tilapia: Immersion of Tilapia Fry in MDHT
  
• Effect of Fish Density on Efficacy of Masculinization by Immersion in MDHT
  
• Detection of MT in Aquarium Water after Treatment with MT Food
  
Aquaculture Systems Modeling Research (Piedrahita, Subcontract No. RD010A-03)

• Model Evaluation and Application to the Ecological Analysis of Integrated Aquaculture/Agriculture Systems
  
• Modeling of Temperature, Dissolved Oxygen, and Fish Growth Rate in Stratified Ponds Using Stochastic Input Variables
  
Marketing and Economic Analysis Research (Engle, Subcontract No. RD010A-01)

• Economic and Social Returns to Technology and Investment and Risk Analysis of
• Pond Management Strategies
  
Adoption/Diffusion Research (Molnar, Subcontract No. RD010A-10)

• Tilapia Producer Perceptions and Practices in Five PD/A CRSP Countries
  
Adoption/Diffusion Research (Lovshin, Subcontract No. RD010A-14)

• The Influence of Fish Culture Technology, Extension Methodology, and
• Socioeconomics on Success of Fish Culture on Limited-Resource Farms
  
Decision Support Systems Research (Bolte, MOU No. RD009B)

• POND^© Software Development and Refinement
  
• Macro-Level Agroecological Systems Analysis and Socioeconomics of Pond Aquaculture
  
Honduras Project (Green, Subcontract No. RD010A-06)

• Intensification of Tilapia Production: Effects of Feeding at Different Stocking Rate on Pond Water Quality
  
• Estuarine Water Quality Monitoring and Estuarine Carrying Capacity
  
• Influence of Daily Water Exchange Volume on Water Quality and Shrimp Production
  
• Water Exchange to Rectify Low Dissolved Oxygen
  
• Global Experiment: Optimization of Nitrogen Fertilization Rate in Freshwater Tilapia Production Ponds
  
Honduras Project (Ward, Subcontract No. RD010A-05)

• Analysis of Honduran Shrimp Farm Impacts on Channel Estuaries of the Gulf of Fonseca
  
Peru Project (Kohler, Subcontract No. RD010A-12)

• Development of Sustainable Pond Aquaculture Practices for Piaractus brachypomus in the Peruvian Amazon
  
• New Site Development and Characterization
  
Kenya Project (Bowman, MOU No. RD009A; Popma, Subcontract No. RD010A-08)

• New Site Development and Characterization
  
• Strain Variations in Sex Ratio Inheritance
  
• Relative Contribution of Supplemental Feed and Inorganic Fertilizers in Semi-Intensive Tilapia Production
  
• Training
  
• Regional Outreach in Africa
  
• Global Experiment: Optimization of Nitrogen Fertilization Rate in Freshwater Tilapia Production Ponds
  
Kenya Project (Lochmann, Subcontract No. RD010A-13)

• Nutritional Contribution of Natural and Supplemental Foods for Nile Tilapia: Stable Carbon Isotope Analysis
  
Thailand Project (Diana, Subcontract No. RD010A-04)

• Effect of Mud Turbidity on Fertilization, and an Analysis of Techniques to Mitigate Turbidity Problems
  
• Management of Organic Matter and Nutrient Regeneration in Pond Bottoms
  
• Management to Minimize the Environmental Impacts of Pond Draining: Effect of Harvest Draining Technique
  on Water Quality and Fish Growth
  
• High-Input Green Water On-Farm Trials in Northeast Thailand
  
• Global Experiment: Optimization of Nitrogen Fertilization Rates in Freshwater Tilapia Production Ponds
  
Philippines Project (Fitzsimmons, Subcontract No. RD010A-11)

• Development of Low-Cost Supplemental Feeds for Tilapia in Pond and Cage Culture

APPENDIX 1. PD/A CRSP HISTORY - 43 K Acrobat File
APPENDIX 2. PROGRAM PARTICIPANTS - 49 K Acrobat File
APPENDIX 3. FINANCIAL SUMMARY - 31 K Acrobat File
APPENDIX 4. EIGHTH WORK PLAN COMPLETION DATES - 223 K Acrobat File
APPENDIX 5. LINKAGES - 34 K Acrobat File
APPENDIX 6. PUBLICATIONS - 162 K Acrobat File
APPENDIX 7. ACRONYMS - 31 K Acrobat File