Browsing WorldFish Community by Title
Now showing items 255-274 of 5196
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An approach to estimate the natural mortality rate in fish stocks
(2003)Type: Journal ArticleA simple approach is introduced to estimate the natural mortality rate (M) of fish stocks. The approach is based on the age at maximum cohort biomass, or critical length (L*) concept. The ratio of the critical length to ... -
An approach to the assessment of the finfish fisheries of the Caribbean Community
(1997)Type: Journal ArticleThis paper briefly outlines the implications of making a decision on the most appropriate alternative for carrying out stock assessments and the reasons for previous failures to conserve finfish stocks for sustainable use. ... -
An artificial reef for artisanal fisheries enhancement in Costa Rica
(1986)Type: Journal ArticleA literature review indicated that artificial reefs seemed promising as refuges for fauna and to increase fish productivity. The author studied this alternative and after several months of preparatory arrangements a small ... -
An Asian Fisheries Forum
(1983)Type: Journal ArticlePlanning is underway for regular con-ferences of Asian fisheries scientists. Given the present level of interest, an Asian Fisheries Society may be formed in the near future. Within Southeast Asia, there has often been ... -
An assessment of chemical and biological product use in aquaculture in Bangladesh
(2016)Type: Journal ArticleThe aim of this study is to describe current chemical use practices in the aquaculture sector of Bangladesh and to identify the factors that influence them. A survey on the use of chemical and biological products was ... -
An assessment of health management practices and occupational health hazards in tiger shrimp (Penaeus monodon) and freshwater prawn (Macrobrachium rosenbergii) aquaculture in Bangladesh
(2018)Type: Journal ArticleDiseases have been recognized as the major obstacle to the shrimp (Penaeus monodon) and prawn (Macrobrachium rosenbergii) aquaculture production in Bangladesh. The present study assessed the range of aquatic animal health ... -
An assessment of the Ponape Dory Project
(1975)Type: ReportThe Ponape Dory Project has been in existence for almost three years. It was begun in August 1972 with a Federal Office of Economic Opportunity grant of US $150,000. The initial grant was for a two-year period during which ... -
An assessment of the status of the Ivorian purse seine fishery of Sierra Leone, 1970-78
(1991)Type: Journal ArticleA time series of catch and effort data (1970-78) of the Ivorian purse seine fishery in Sierra Leone waters was analyzed using the Schaefer production model. The regression of C/f on effort was significant and the resulting ... -
An atlas of the growth, mortality and recruitment of Philippine fishes
(1984)Type: ReportThis atlas presents the results of a detailed analysis of length-frequency data collected from 1957 to 1981 throughout the Philippines, covering 23 families, including 34 genera and 56 species representing 112 stocks ... -
An economic study of catfish culture in Thailand
(1980)Type: Journal ArticleA brief description is given of a project undertaken to study the economics of catfish (Clarias batrachus ) culture in Thailand. Some preliminary findings are presented. -
An ECOPATH II model of the Lake Chad system
(1993)Type: Book ChapterThe trophic ecosystem modelling software, ECOPATH II, was used to analyze the Lake Chad system, Africa, during its "normal" phase, the period between 1969 and 1972. Reasonable estimates of population-related parameters for ... -
An Ecosystem approach to fisheries (EAF) in Misamis Occidental, Philippines
(2013)Type: BrochureWorldFish, with funding support from the European Commission (EC), is undertaking a project with sites in Indonesia, Philippines, Solomon Islands and Tanzania. Titled Implementing an Ecosystem Approach to Fisheries (EAF) ... -
An ecosystem approach to small-scale fisheries through participatory diagnosis in four tropical countries
(2016)Type: Journal ArticleParticipatory diagnosis is an approach to identify, prioritize and mobilise around factors that constrain or enable effective governance and management in small-scale fisheries. Diagnostic frameworks are mostly designed ... -
An ecosystem model of San Pedro Bay, Leyte, Philippines: initial parameter estimates
(2003)Type: Book ChapterA mass-balance model of the trophic structure of San Pedro Bay, Leyte Province, Philippines was constructed using the Ecopath modeling software. The model is composed of 16 ecological groups (13 consumer, 2 producers, 1 ... -
An empirical bio-economic stocking model for floodplain beels in Bangladesh.
(2007)Type: Journal ArticleWhile stocking floodplain depressions or beels with fingerlings is a common form of fisheries management in Bangladesh, bio-economic guidance for improving the outcome of stocking strategies is sparse. The Community-Based ... -
An empirical comparison of seasonal growth models
(1990)Type: Journal ArticleA model for describing the seasonally oscillating growth of fish is presented and compared with the commonly used model of D. Pauly and G. Gaschutz (PG). The new model produces results similar to those obtained from teh ... -
An epizootic of infectious hepatopancreatic and lymphoid organ necrosis disease in cultured Penaeus monodon: a case study
(1997)Type: Journal ArticleShrimp disease of viral origin have caused large production losses worldwide. This paper presents a case study of shrimp (Penaeus monodon; Penaeus indicus) epizootic disease, covering an area of 1,050 ha in Andhra Pradesh, ... -
An evaluation of resource overlaps among fishing gears in the coastal fisheries using multivariate techniques
(2010)Type: Journal ArticleSoutheast Asian fisheries such as in San Miguel Bay, Philippines operate in a multi-gear and mixed-species situation. Marine capture fisheries in the Philippines are conventionally sub-divided into municipal (small-scale) ... -
An external check for disease and health of hatchery-produced sea cucumbers.
(2005)Type: Journal ArticleSea cucumber diseases that arise in the hatchery can cripple production and undermine restocking programmes. A rapid protocol for the external examination of juvenile sea cucumbers was developed in order to screen for ... -
An institutional analysis of sasi laut in Maluku, Indonesia
(2001)Type: ReportThis study provides an understanding of the extent and functioning of community based coastal resource management systems in Maluku province, Indonesia and suggests recommendations for national, provincial and village ...
