Browsing WorldFish Community by Title
Now showing items 4678-4697 of 5095
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Transgenic fish: risks and benefits
(2008)Type: Journal ArticleAdvocates of transgenesis consider it an effective means of improving the productivity of aquatic animals. Opponents see it as a threat to both the environment and human health. This is a challenging area because important ... -
Transition in the contribution of living aquatic resources to sustainable food security
(1996)Type: Book ChapterThis paper addresses the outlook for living aquatic resources in food security and how research can contribute to improving that outlook where it matters most for the low-income people in the developing world. -
Transportation methods for restocking of juvenile sea cucumber, Holothuria scabra.
(2006)Type: Journal ArticleThe sandfish, Holothuria scabra, is a heavily exploited sea cucumber species. Minimising stress in the transportation of hatchery-produced sandfish juveniles to release sites is critical for successful restocking. Replicate ... -
Trawl fisheries in the Gulf of Thailand
(1982)Type: ReportThe maximum sustainable yield of demersal fishery resources in the Gulf of Thailand to a depth of 50 m is estimated to be 750,000 tonnes. On this basis the Gulf has been overfished since 1973. There were over 4,000 trawlers ... -
Trends in the farming of the snakeskin gourami (Trichogaster pectoralis) in Thailand
(1997)Type: Journal ArticleThe production of snakeskin gourami (Trichogaster pectoralis) from wild stocks and traditional culture systems has been declining in central Thailand, although they are on the increase in modern culture practices adopted ... -
Trends, opportunities and constraints in the contribution of fish to the welfare of rural communities in Cambodia
(2016)Type: ReportThis report details rural communities' perspectives on the importance of fish, and how it supports the poor. Variability between zones and social groups is detailed, as well as constraints and opportunities in the sector. -
Trials to improve the response of Orechromis niloticus to Aeromonas hydrophila vaccine using immunostimulants (garlic, Echinacea) and probiotics (Organic Green and Vet-Yeast)
(2016)Type: Journal ArticleAquaculture is a promising sector of fish industry in the world with about 80 million tones being produced annually. The development of aquaculture faced several constraints; among these are diseases constituting the ... -
Trichodina a common fish parasite in freshwater ponds
(2021)Type: BrochureThis leaflet instructs fish farmers how to recognize and treat the common fish parasite Trichodina -
Trophic interactions in Caribbean coral reefs
(1996)Type: ReportFive thermodynamically balance models of the trophic interactions and organic matter transfer between compartments of a Caribbean coral reef system are presented. Inputs to the models were obtained from published data and ... -
Trophic model of the coastal ecosystem in the waters of Bangladesh, Bay of Bangal
(2003)Type: Book ChapterA trophic model of the coastal ecosystem in the waters of Bangladesh, Bay of Bengal (from the shoreline to 150 m depth) is presented. The model consists of 15 ecological groups. The biomasses of the groups (particularly ... -
Trophic model of the coastal fisheries ecosystem in the Gulf of Thailand
(2003)Type: Book ChapterThe biomass of 40 ecological groups, the diet composition of prey and predators, production/biomass (P/B) and consumption/biomass (Q/B) ratios, and catches were used as basic input to parameterize an Ecopath model of the ... -
Trophic model of the coastal fisheries ecosystem of the southwest coast of India
(2003)Type: Book ChapterThe Ecopath approach and software were used to construct a trophic model of the coastal fisheries ecosystem of the southwest (SW) coast of India. The model consisted of 11 ecological groups and used estimated landings from ... -
Trophic model of the coastal fisheries ecosystem of the west coast of peninsular Malaysia
(2003)Type: Book ChapterA preliminary mass-balance trophic model was constructed for the coastal fisheries ecosystem of the West Coast of Peninsular Malaysia (0 - 120 m depth). The ecosystem was partitioned into 15 trophic groups, and biomasses ... -
Trophic models of aquatic ecosystems
(1993)Type: Conference ProceedingsA large proportion of the contributions to the ICES Theme Session on "Trophic models in aquatic ecosystems" is presented, together with papers of a number of scientists and very experienced ecosystem modellers. -
Tropical aquaculture: need for a strong research base
(1984)Type: Journal ArticleThe authors argue that tropical aquaculture could make a significant contribution to the world fish supply, but is hindered by the absence of an adequate research base. They outline the history of aquacultural research, ... -
Tropical man-made lakes, African fish and cheap protein
(1980)Type: Journal ArticleTropical reservoirs (man-made lakes) have evened out somewhat the distribution of standing waters on a global scale. Natural lakes are well represented in the North Temperate and Arctic regions. In the tropics, the only ... -
Tropical river fisheries valuation : a global synthesis and critical review
(2006)Type: ReportThis report reviews the global status of tropical and inland fisheries valuation; considers the impact of changes in river management on the value of tropical river fisheries; and comparatively assessed 3 valuation techniques. -
Tropical river fisheries valuation: background papers to a global synthesis
(2008)Type: Working PaperThis report is a compilation of five regional reviews that document the global status of tropical rivers and inland fisheries in three continents: Latin America, Africa and Asia. It explores the role of valuation methods ... -
Tropical river fisheries valuation: establishing economic value to guide policy
(2008)Type: BriefAnnual fish production from rivers and other inland fisheries is estimated at 5.5 million tons and a gross market value of $6 billion. Capturing the true economic value of fisheries to developing countries is the focus ... -
Tropical stock assessment packages for programmable calculators and microcomputers
(1981)Type: Journal ArticleFishery biology, particularly the applied aspect of stock assessment, became a truly quantitative science in the mid-1950s, when the Beverton & Holt and Schaefer "workhorse" models for stock assessment were produced. The ...
