A comparative study of two seasonal floodplain aquaculture systems in Bangladesh

This paper presents a comparative analysis of the technical and economic parameters of two community led approaches: the semi-closed water bodies and the floodplain water bodies based systems in Bangladesh. The two approaches differ in management, fish production, impact on biodiversity, capital investment and annual variable costs, share of profits and proportional benefits for the poor, and impact on allied businesses—the so-called backward and forward linkages.

Producing tilapia in small cage in West Africa

This document is part of a series of 5 technical manuals produced by the Challenge Program Project CP34 “Improved fisheries productivity and management in tropical reservoirs”. The Water Research Institute (WRI) in Akosombo, Ghana, is working to bring cage aquaculture technology to smallholder farmers. The stocking, feeding and cage-construction technology piloted by WRI is now being widely adopted in the Lower Volta basin in Ghana. The results of WRI research over the period 2005-2009 are presented here as a guide to potential investors.

Fisheries and aquaculture enterprise development for the Adivasi (Tribal) communities in the northern and northwestern regions of Bangladesh: annual progress and financial report (Jan 2008 - Dec 2008)

The purpose of the project was to increase fish production, household nutrition, income and alternative employment opportunities of vulnerable Adivasi (tribal) people through promotion of small-scale aquaculture and enterprise related activities. The AFP is designed to bring the unused and/or underused seasonal ponds and rice fields into improved productive capacities with methods that are feasible, affordable and acceptable to poor Adivasi households.

The capture and culture of postlarval coral reef fish: potential for new artisanal fisheries

This article summarises the reasons why the removal of postlarval coral reef fish should be sustainable and identify those conditions that may require restrictions to fishing for postlarvae. The authors also outline why the capture of wild postlarvae complements initiatives underway to sustain the production of coral reef fish through the cultivation of juveniles reared in hatcheries.

Simulation of optimal harvesting strategies for small-scale mixed-sex tilapia (Oreochromis shiranus Boulenger 1896) ponds using a bio-economic model

A cohort-based bio-economic biomass growth and economic model, validated with data from experiments conducted in Malawi, was used to identify an optimal harvesting strategy for mixed-sex tilapia ponds.Three harvesting scenarios (baseline, economic optimum time +10 days and economic optimum time) were used. In each harvesting scenario four options were explored: (i) no further harvest, harvest every (ii) 60 days, (iii) 90 days and (iv) 120 days after initial harvest.

Subscribe to RSS - Fish harvesting