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Now showing items 11-20 of 30
Effects of protective management on coral reef fishes in the Philippines
Type: Journal Article
The findings are presented of a study concerning the species composition and abundance of coral reef fish in the Philippines and their protection.
Aspects of the fishery and biology of small pelagic fishes at Dar Es Salaam, Tanzania
Type: Journal Article
The findings are presented of an investigated conducted to determine the seasonal availability, distribution, abundance and biology of the small pelagic species occurring along the coast of Tanzania. Data are provided ...
The relationships between gill surface area and growth performance in fish: a generalization of von Bertalanffy's theory of growth
Type: Journal Article
This paper is an attempt to interpret some of the data on fish growth available in the literature, emphasis is being given to a reassessment of von Bertalanffy's theory of growth as applied to fishes.
Integrated rice-fish culture: increased productivity from deepwater ricelands in West Bengal
Type: Journal Article
A discussion is presented on the potential for integrated rice-fish culture systems in West Bengal as a means of not only increasing animal protein production but also of generating income for rural residents. Surveys ...
Rice-fish practices in Ifugao Province, Philippines
Type: Journal Article
Ifugao lies in the Cordillera Mountains in the north-central part of Luzon. It is famous for its colorful inhabitants, lush forests, crystal waters and magnificent rice terraces. The people have traditionally practiced ...
Assessment of Pterocaesio Pisang (Bleeker, 1853; family Caesionidae) at APO and Sumilon Islands in central Visayas, Philippines
Type: Journal Article
An analysis is made of length-frequency data of Pterocaesio pisang for the period March 1982-April 1983 in order to assess the stock at APO and Sumilon islands.
Estimation of natural mortality rates from selectivity and catch length-frequency data
Type: Journal Article
In conventional catch curves, the logarithms of the relative abundances of successive age groups are plotted against age, in order to obtain an estimate of the total instantaneous mortality rate, Z, from the slope of the ...
Length-converted catch curves: a powerful tool for fisheries research in the Tropics (part 1)
Type: Journal Article
A number of methods are available with the help of which total mortality (Z) can be estimated from length-frequency data. Thus it is possible to obtain reasonable estimates of Z from the mean length in a representative ...
Training courses in fish stock assessment: the past and the future
Type: Journal Article
Ideally, all countries with major marine and/or inland capture fisheries should have a few scientists specialized in stock assessment techniques to lead research programs and to analyze the results for management and ...
The population dynamics of Nemipterus marginatus (Cuvier & Val.) off western Kalimantan, South China Sea
Type: Journal Article
The following parameter values are derived for a West Kalimantan (West Borneo) stock of the threadfin bream, Nemipterus marginatus : L infinity = 24.5 cm (L.T.), W infinity = 210 g, K = 0.42, t = -0.41 and M = 1.73. ...