WorldFish Community: Recent submissions
Now showing items 1981-2000 of 5196
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Estimation of natural mortality rates from selectivity and catch length-frequency data
(1984)Type: Journal ArticleIn 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 ... -
Salinity tolerance of the tilapias Oreochromis aureus, O. niloticus and an O. mossambicus X O. niloticus hybrid
(1985)Type: ReportStudies ontogenetic changes in salinity tolerance in tilapias spawned and reared in freshwater using the indices of median lethal salinity, mean survival time and median survival time. Discusses implications of findings ... -
Milkfish production dualism in the Philippines: a multidisciplinary perspective on continuous low yields and constraints to aquaculture development
(1984)Type: ReportDetermines and measures the constraints to the adoption of more intensive fertilizer application rates among Philippine milkfish farmers. Hypothesized 56 explanatory variables, categorized into socioeconomic, institutional, ... -
Experimental rearing of Nile tilapia fry (Oreochromis niloticus) for saltwater culture
(1984)Type: ReportRepresents a preliminary evaluation of the utility of various approaches of early salinity exposure for saltwater culture of tilapias. Studies the reproductive performance of Nile tilapia under laboratory conditions at ... -
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 ... -
Aquaculture as an alternative occupation on the Pacific Coast of Costa Rica
(1985)Type: Journal ArticleAn account is given of the use of salt evaporation ponds for fish (Mugil curema ) production in the Pacific coast of Costa Rica and future prospects are examined. -
Traditional muro-ami: an effective but destructive coral reef fishing gear
(1985)Type: Journal ArticleA description is given of the Japanese muro-ami fishing gear, which although is very effective in catching elusivereef fish, causes considerable reef damage during its operation. -
Effects of protective management on coral reef fishes in the Philippines
(1984)Type: Journal ArticleThe findings are presented of a study concerning the species composition and abundance of coral reef fish in the Philippines and their protection. -
The role of the World Bank in fisheries
(1984)Type: Journal ArticleWorld Bank lending for fishery projects between 1976-81 is discussed, considering past problems with Band-supported projects, recent trends and future strategy and also sector management. -
Coral reef fisheries and world fish production
(1984)Type: Journal ArticleThe potential productivity of coral reefs is discussed, considering problems involved in the different types of the reefsituations. The overall result is that coral reef fish on a world-wide basis are under-exploited. -
ICLARM's activities in tropical stock assessment: 1979-1984, and beyond
(1984)Type: Journal ArticleIn March 1977, shortly after ICLARM commenced in Manila, its Program Advisory Committee formulated the guiding principles for the Resource Development and Management Program, which is one of the four program areas of ICLARM ... -
A summary of "An overview on reservoir fisheries in tropical Asia" by S.-Y. Yap and J.I. Furtado
(1984)Type: Journal ArticleThis overview on tropical Asian reservoir fisheries was prompted by issues raised in "Tropical reservoir fisheries: a preliminary analysis." Considerably different but building upon the above preliminary study, the present ... -
Length-converted catch curves: a powerful tool for fisheries research in the Tropics (III: conclusion)
(1984)Type: Journal ArticleA method is described for the determination of the selection curve of fishing gear from the shape of the ascending arm of a length-converted catch curve and growth parameters. -
Assessment and management of coral reef fisheries: biological, environmental and socio-economic aspects
(1985)Type: Book ChapterThe authors opened discussion by briefly summarising the main points in their paper. Coral reefs occurred predominantly in developing countries and coral reef fisheries were predominantly artesanal. Fishery yields varied ... -
Social science information systems for small-scale fisheries management and development in Malaysia, Philippines and Thailand
(1984)Type: ReportIn this report the regular data collection systems of the Departments of Fisheries and other government or quasi-government institutions such as marketing and development agencies are first described (Section VI). Most of ... -
Democratic Yemen fisheries: cuttlefish and sea cucumber
(1985)Type: Journal ArticleCuttlefish form the largest fishery in the coastal waters of the Yemen; Sepia pharonis is the commercial variety fished. Details are given of the fishing season, overfishing, foreign collaboration and regulation measures. ... -
Yields from coral reef fisheries
(1984)Type: Journal ArticleAn examination is made of the fish production potential of coral reef areas and techniques used to estimate possibleyields. -
Labor intensive vs. capital intensive: "conflict within the fishing industry"
(1985)Type: Journal ArticleConflicts in the fishing industry of Canada regarding which type of fishing fleet to use in rural communities are discussed: labor-intensive or capital-intensive. -
Insights on the developmental aspect and future importance of artisanal fisheries
(1985)Type: Journal ArticleThe viability of small-scale fisheries in developing countries is discussed, indicating measures to be taken in order to increase the economic importance of a small-scale fishery sector. -
External aid in fisheries
(1985)Type: Journal ArticleFisheries aid in developing countries is discussed briefly, considering small-scale fisheries and aquaculture, and also examining who provides and who receives the aid.
