Search
Now showing items 31-40 of 54
Status and potential of aquaculture in small waterbodies (ponds and ditches) in Bangladesh
Type: Report
A report on a survey on ponds and ditches in Bangladesh, done to determine their potential use for aquaculture.
Observations on gillnet catches of Kariba tilapia, Oreochromis mortimeri from Bumi Basin of Lake Kariba, Zimbabwe
Type: Journal Article
Gillnet catches of Oreochromis mortimeri (Trewavas) were studied in the Bumi Basin of Lake Kariba in 1988 and 1989. Total length (TL) was positively correlated with standard length (SL). The linear relationship between TL ...
Freshwater pearl culture in India
Type: Journal Article
Freshwater pearl culture is growing as a source of employment and income in many Southeast Asian countries. Bangladesh, Thailand, the Philippines and Vietnam have initiated freshwater pearl culture projects in recent years. ...
The predicament of the freshwater fisheries and aquaculture of Sri Lanka
Type: Journal Article
A discussion is presented on the current problems facing the freshwater fisheries of Sri Lanka, following the decision taken by the Government to abolish the Inland Fisheries Division of the Fisheries Ministry and to stop ...
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 ...