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Now showing items 31-40 of 49
Length-weight relationships of the mudskipper Periopthalmus barbarus in the Imo River estuary, Nigeria
Type: Journal Article
The length-weight relationships, by sexes, and combined, and monthly condition factors of the mudskipper Periaphthalmus barbarus are presented, based on 1 079 specimens ranging from 1.6 to 15.6 cm (TL) sampled from April ...
Weight-fecundity relationships of Nigerian fish populations
Type: Journal Article
Parameters a and b of the power body weight (W) - fecundity (F=a W super(b)) are presented for 25 populations comprising 15 species of Nigerian fishes. Estimates of b varied between 0.511 (Parauchenoglanis akin) and 1.654 ...
Research priorities in Subsaharan smallholder freshwater aquaculture
Type: Journal Article
Subsaharan Africa is an enormously diverse region. To generalise about aquaculture development across this huge environmental and cultural expanse is virtually impossible. In addition, the available fish species, climatic ...
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) ...
The effects of aquaculture on farm household economy: a case study in Omon District, Cantho Province, Vietnam
Type: Journal Article
A study of the farming systems in the Mekong River Delta (Vietnam) indicate that fish culture brings to the household a higher level of net farm income and family labor use. In general, adoption of fish culture is strongly ...
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 ...
Fishes of the Mekong River-conservation and need for aquaculture
Type: Journal Article
Conservation and the potential and need for aquaculture of three major fish (Catlocarpio siamensis, Probarbus spp. and Pangasius gigas) of the Mekong River are discussed. Different steps being undertaken by the Cambodian ...
Life cycle and biological parameters of several Brazilian Amazon fish species
Type: Journal Article
This contribution summarizes knowledge on the biology (population dynamics, reproduction, ecology) of 25 fish species from the Lower Amazon, Brazil, based on data from a Brazilian-German field project (IARA) and a review ...
Sustainable utilization of inland water resources: an integrated program for research and management
Type: Journal Article
In both developed and developing countries, there is increased competition for water resources, resulting in deficiencies in supply and in various forms of pollution. In developing countries, the nutritional potential of ...
Fisheries potential of village dams in northern Ghana
Type: Journal Article
Results of a twelve-month assessment of the fisheries and aquaculture potential of small waterbodies (SWBs) in the West Gonja District of Northern Ghana are presented. The primary objectives of the project were to established ...