ADCP/Circ/82/6

Report on Consultancy
Kenya Brackishwater Aquaculture Project
(KEN/77/014)
TABLE OF CONTENTS

by
P. G. Padlan
Senior Aquaculturist

UNITED NATIONS DEVELOPMENT PROGRAMME
PROGRAMME DES NATIONS UNIES POUR LE DEVELOPPEMENT
PROGRAMA DE LAS NACIONES UNIDAS PARA EL DESARROLLO
FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
ORGANISATION DES NATIONS UNIES POUR L'ALIMENTATION ET L'AGRICULTURE
ORGANIZACION DE LAS NACIONES UNIDAS PARA LA AGRICULTURA Y LA ALIMENTACION

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TABLE OF CONTENTS

1. INTRODUCTION

1.1 Background information
1.2 Terms of reference

2. LOCATION AND CHARACTERISTICS

3. STATE OF DEVELOPMENT

3.1 Layout
3.2 Construction

4. ORGANIZATION

4.1 Office
4.2 Expatriate staff
4.3 Local staff

5. AQUACULTURE ACTIVITIES

5.1 Survey of availability of stocking material
5.2 Shrimp farming

6. OBSERVATIONS

6.1 Spring tide characteristics
6.2 Layout and design
6.3 Soils
6.4 Water salinity
6.5 Shrimp culture
6.6 Finfish culture

7. RECOMMENDATIONS

7.1 Design and development
7.2 Construction methods
7.3 Pond stabilization and soil improvement
7.4 Shrimp culture
7.5 Finfish culture
7.6 Others

FIGURES

1 Aerial photograph of Ngomeni showing location of the pilot Brackishwater Fish Farm

2 Planned layout of Phase I, Ngomeni Pilot Brackishwater Fish Farm as of August 1981

3 Predicted tide curves for Malindi (Kilindini, Mombasa Reference Station) showing patterns for “critical”, normal and high amplitude cycles

4 Proposed layout plan for Ngomeni Pilot Brackishwater Fish Farm

5. Relationship between tide levels, standard port in Kilindini and gauge site in Ngomeni

6. Specifications, Sections A. B. and C. in proposed layout plan

7. Specifications, Section D, in proposed layout plan

8. Digging blades suitable for soil work at Ngomeni Pilot Brackishwater Fish Farm

9. Sketch of flat boat for pond construction

10. Details of flat boat for fish pond construction

11. Levelling by “stripping”

ANNEXES

I Recommendations for accelerating development of gelatinous mud at Ngomeni pilot fish farm

II Culture of lab-lab after formation of 5–10 cm layer of hydrophilic mud