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Now showing items 21-30 of 44
A preliminary market-based analysis of the Pohnpei, Micronesia, grouper (Serranidae: Epinephelinae) fishery reveals unsustainable fishing practices.
Type: Journal Article
Serranids are important components of artisanal and commercial catch worldwide, but are highly susceptible to overfishing. In Pohnpei (Micronesia), a recent coral reef fish market survey revealed a reliance on night-time ...
Factors influencing cultivation of the Lilongwe and Linthipe River Banks ni Malawi: a case study of Salima District
Type: Journal Article
The study was conducted to investigate factors that influence farmers to cultivate along the river banks in Salima District, in the Central Region of Malawi. Using logit analysis the study revealed that household size, ...
Alien fish species in the Philippines: pathways, biological characteristics, establishment and invasiveness
Type: Journal Article
Aquaculture (18%) and aquarium (77%) species comprise most of the species which are brought into the Philippines, and although meant to be confined to culture and aquarium facilities, some have escaped to natural waters, ...
Preferences of fishes to different types of Katha materials used in sanctuaries in three rivers of Netrokona.
Type: Journal Article
Use of different fish-friendly ‘katha’ materials in fish sanctuary is a new concept in Bangladesh. Two kilometers area of each of the three rivers namely the Updakhali, the Kalihar and the Kangsha in Netrokona district ...
Water and sediment quality and plankton diversity of Posna beel, Tangail.
Type: Journal Article
Physiochemical studies on water and sediment quality and plankton diversity of Posna beel, Kalihati, Tangail were conducted during 2003-2005. Surface water temperature was minimum (16°C) during winter and maximum (33 °C) ...
Simulation of optimal harvesting strategies for small-scale mixed-sex tilapia (Oreochromis shiranus Boulenger 1896) ponds using a bio-economic model
Type: Journal Article
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 ...
Why do fishers fish where they fish? Using the ideal free distribution to understand the behaviour of artisanal reef fishers
Type: Journal Article
We used the theory of the ideal free distribution (IFD) as a framework to understand the mechanisms underlying fishing site selection by Anguillian artisanal fishers exploiting shallow-water coral reefs. Contrary to the ...
Growth performance and feed utilization of Nile tilapia Oreochromis niloticus (Linnaeus, 1758) and tilapia galilae Sarotherodon galilaeus (Linnaeus, 1758) fingerlings fed plant protein-based diets
Type: Journal Article
This study was designed to determine the effect of complete substitution of fish meal (FM) by three plant protein sources including extruded soybean meal (SBM), extruded full-fat soybean (FFSB) and corn gluten meal (CGM) ...
Efficiency of African catfish Clarias gariepinus in controlling unwanted reproduction of Nile tilapia Oreochromis niloticus in low input production system
Type: Journal Article
The present experiment was conducted in twelve earthen ponds 2100-m2 at WorldFish Center research facility at Abbassa, Egypt, to assess the efficiency of African catfish (Clarias gariepinus) in controlling unwanted Nile ...
Effect of Echinacea on body gain, survival and some hematological and immunological parameters of Oreochrmis niloticus and their response to challenge infection
Type: Journal Article
Six hundred and forty O. niloticus were equally distributed in 16 hapas (each of 1.5 m3) to be used for 4 treatments in 4 replicates. Fish of groups 1-3 were fed on basal diet mixed with Echnicacea (0.25 ppt) for 1 st, 2 ...