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Now showing items 11-20 of 24
Wind energy, hydropower and heat pumps for aquaculture
Type: Journal Article
Wind and water power have a significant contribution to make to aquaculture and fish processing. Wind energy can provide mechanical power to operate pumps and aerators and can clso be used to generate electricity. ...
Do trawling bans work in tropical waters?
Type: Journal Article
The biological effect of fishing bans in tropical waters is considered. In the Philippines, the Samar Sea was closed to trawlers in November 1976; a fishery survey was carried out to monitor possible changes in the fish ...
Salmon ranching in Chile: the private sector
Type: Journal Article
Domsea Pesquera Chile, Ltda., operated by Fundacion Chile of Santiago, picked the island of Chiloe for their first effort to introduce Pacific salmon in the southern hemisphere. Chloe, at 42°S, is somewhat more northerly ...
Fish stock assessment in coral reefs: notes on the state of the art
Type: Journal Article
Coral reefs may produce as much as 10% of the annual world fish catch. Yet, very little investigation has been done on the biology of coral reef fishes, so that we know little about their growth rates and mortalities, vital ...
Effects of reservoirs on River Nile fisheries
Type: Journal Article
The catch-effort relationship of the River Nile is Complicated by such factors as changes in water level and hydrology as well as spawning movements of the fish, which result in uneven distribution of the fish and fishing. ...
Low energy fishing vessels: the use of sail power
Type: Journal Article
This paper discusses briefly the theory of sail power and its application to fishing vessels, and examines theoperational requirements of a variety of fishing methods and the conditions under which sail power can be used ...
Tropical stock assessment packages for programmable calculators and microcomputers
Type: Journal Article
Fishery biology, particularly the applied aspect of stock assessment, became a truly quantitative science in the mid-1950s, when the Beverton & Holt and Schaefer "workhorse" models for stock assessment were produced. The ...
Village integrated energy systems
Type: Journal Article
The primary factors that have caused the predicament of small-scale fishermen in India are discussed and recommendations are given.
Improving fishing incomes when resources are overfished
Type: Journal Article
Despite increased evidence of overfishing of coastal and inland resources in the Indo-Pacific region, government fisheries development programmes, for the most part, retain their 'production' orientation. Using the familiar ...
Acadjas: the brush park fisheries of Benin, West Africa
Type: Journal Article
Fishing installations consisting of branches of trees, bushes or other soft vegetation stuck into the muddy bottoms of lagoons, lakes or rivers, are common throughout the world. Collectively, these may be termed "brush ...