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Salmon ranching in Chile: ICLARM's role
Type: Journal Article
In 1976, ICLARM, in cooperation with the Oceanic Institute (Hawaii) and with financial support from the Rockefeller Foundation and the Tinker Foundation, developed a proposal based on a hypo-thesis by Dr. Timothy Joyner ...
Parameter estimates for fishes of the upper Paraná river floodplain and Itaipu reservoir (Brazil)
Type: Journal Article
Estimates of the growth (K), natural mortality (M), consumption/biomass (Q/B) rate and trophic level (TL) for 35 species in the upper Paraná river floodplain and the Itaipu reservoir (interconnected ecosystems) are presented. ...
Wastewater use in aquaculture: research in Peru
Type: Journal Article
Use of wastewater is an issue gaining importance throughout the (developing) world, as water sources become scarcer and competition for them increases. In Peru, research has shown the technical, economic and social feasibility ...
Comparative growth performance of jack mackerels of the genus Trachurus with emphasis on T. symmetricus murphyi in Chile
Type: Journal Article
This contribution presents von Bertalanffy growth parameter estimates for species/stocks of jack mackerels of the genus Trachurus from around the world, and compares them with growth parameters for T. symmetricus murphyi ...
Maximo rendimiento sostenible de la pesqueria comercial en el Departamento de Loreto, Peru
Type: Journal Article
Catch and effort data from the river fisheries of the Peruvian part of Amazonia are presented, and used to fit a Schaefer-type surplus production model. This suggests that present effort is in excess of what is required ...
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 ...
Balancing hydropower and biodiversity in the Amazon, Congo, and Mekong
Type: Journal Article
The worlds most biodiverse river basins (the Amazon, Congo, and Mekong) are experiencing an unprecedented boom in construction of hydropower dams. These projects address important energy needs, but advocates often overestimate ...
Population parameters of 'corvina' (Plagioscion squamosissimus) in the Barra Bonita Reservoir, Brazil
Type: Journal Article
Estimates for the growth parameters (L sub( infinity ) and K) mortality coefficients (Z,M and F) and exploitation rate (E) for the sciaenid Plagioscion squamosissimus are presented. The following results were obtained: 1) ...
Population parameters of Penaeus californiensis in the Gulf of Guayaquil, Ecuador
Type: Journal Article
The growth, mortality, and recruitment pattern of Penaeus californiensis were investigated using tail length (TL)-frequency data obtained from the Gulf of Guayaquil shrimp population. Computer-based methods of tail-frequency ...
Length-weight relationship of fishes caught in the Itaipu Reservoir, Parana, Brazil
Type: Journal Article
Parameters and related statistics of the length-weight relationship of the form W=aL super(b) are presented for 72 species of fish caught in the area of the Itaipu Reservoir in Parana, Brazil. The b values varied between ...