Cover
REPORT ON TIDAL AREA STUDY

FISHERIES RESOURCES SURVEY SYSTEM
FAO/UNDP-BGD/79/015
APRIL 1985
CONTENTS

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
DHAKA


DEVELOPMENT CONSULTANCY SERVICES LTD.
AND
ENGINEERING CONSULTANCY SERVICES LTD.
HOUSE 29, ROAD 8, DHANMANDI R.A., DHAKA-5


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C O N T E N T S

SUMMARY

Chapter-1 INTRODUCTION

1.0 General

1.2 Objective

1.3 Scope of Consultancy Services

1.4 Location and extent of Survey

2.0 Background Information

2.1 Agro-Aquacultural Practices

2.2 Effect of Coastal Embankment Project

2.3 Cultural Practices

3.0 Present Cultural Practices

3.1 Cultural Practices in Satkhira

3.2 Cultural Practices in Khulna

3.3 Cultural Practices - Chakaria Sundarban Area

3.4 Shrimp Culture in Rotation with Salt

3.5 Effect of Shrimp Culture

3.6 Present Shrimp Culture Practices

Chapter-II HYDROLOGY

1.0 General

1.1 Hydrological Setting

1.2 Topography

1.3 Geology

1.4 Climate

1.5 Rainfall

1.6 Cyclone

1.7 Salinity

1.8 Wind

1.9 Waves

1.10 Tide

1.11 Co-relation of Pond and Outside Salinity with the Rainfall

Chapter-III SOILS

1.0 Introduction

2.0 The Tidal Area

3.0 Soils and Land Potentialities

4.0 Field Investigations

5.0 Interpretation of Analytical Results

6.0 Effect of Shrimp and Other Fish Culture on Agricultural Potential

Chapter-IV BIOLOGY

1.0 Introduction

1.1 Material and Methods

2.0 Hydro-meteorology of Study Area

2.1 General

2.2 Temperature

2.3 Rainfall

2.4 Secchi Depth Range

2.5 pH Range

2.6 Dissolved Oxygen

2.7 Salinity Range

2.8 Comments

3.0 Population composition, Abundance and Seasonal Distribution of Zooplanktons with Special reference to Penaeid Post Larvae

3.1 Comments

3.2 Correlation between the Abundance of Majors Shrimps and Salinity and Rainfall

4.0 Population Composition, Abundance and Monthly Distribution of Macro-Organisms in as Revealed Through Small Beam Net Samples with Special Reference to Post Larvae and Juvenile Shrimps

5.0 Abundance and Seasonal Distribution of Benthic Macro-Invertebrates in Bonds at Chakaria and Satkhira

6.0 Behundi Fishery Fauna

6.1 Seasonal Occurrence and Distribution of Shrimps of Behundi Catch

6.2 Distribution of the Males and Females of Penaeid in Behundi Catch

6.3 Seasonal Occurrence and Distribution of Fishes Found in Behundi Catch

6.4 Seasonal Occurrence and Distribution of Organism in Behundi Catch

6.5 Comments

7.0 Pond Harvest Fishery

7.1 Seasonal Occurrence and Distribution of Shrimps in Pond Harvest

7.2 Distribution of the Males and Females of Penaeid Shrimps in Pond Harvest

7.3 Seasonal Occurrence and Distribution of Fishes of Pond Harvest

7.4 Occurrence of Organism Other Than Shrimps and Fishes of Pond Harvest

7.4 Comment

7.5 Discussion

7.6 References

Chapter-V AGRO-AQUACULTURAL ECONOMIC STUDY

INTRODUCTION

1.0 Scope and Objectives

1.1 Survey Methodology

SATKHIRA AREA

2.0 General

2.1 Population and Labour Force

2.2 Land Ownership and Tenurial Structure

2.3 Occupational Structure

2.4 Employment and Unemployment Rates

2.5 Cropped Acreage and Yield Per Acre

2.6 Income & Profit

2.7 Employment and Income Distribution

2.8 Nutritional Impact

2.9 Policy Conflict and Policy Choice

2.10 Conclusion and Recommendation

2.11 Geometrical Appendix

CHAKARIA-SUNDARBAN AREA

3.0 Introduction

3.1 Population and Labour Force

3.2 Land Ownership, Tenurial and Agrarian Structure

3.3 Occupational Structure

3.4 Employment and Unemployment Rates

3.5 Economics and Salt Industry

3.6 Productivity and Profitability of Alternative Product

3.7 Employment and Distributional Impact

3.8 Policy Conflict and Policy Choice

3.9 Conclusion and Recommendations

ANNEXURE-A Presents Tabulated Data and Chart on Hydrology.

ANNEXURE-B Presents the Field Data on Biological Aspects.

ANNEXURE-C1 Presents Analytical Tables for Agro-Aquacultural Economy of Satkhira.

ANNEXURE-C2 Presents Analytical Tables for Shrimp Fields in Satkhira

ANNEXURE-C3 Presents Analytical Tables for Agro-Aquacultural Economy in Chakaria-Sundarban Area.