Sustainable aquaculture: Recent submissions
Now showing items 1661-1680 of 2402
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Outlook for fish to 2020: meeting global demand
(2003)Type: BookThe seemingly inexhaustible oceans have proved to be finite after all. Landings of wild fish have leveled off since the mid-1980s, and many stocks of fish are fished so heavily that their future is threatened. And yet the ... -
Wetlands management in Vietnam's Mekong Delta: an overview of the pressures and responses
(2003)Type: ReportThis paper introduces the characteristics of the Delta and outlines the pressures that are impinging on the sustainability of the Delta's wetlands. Although these pressures are non-linear and interacting, three are considered ... -
Fish to 2020: supply and demand in changing global markets
(2003)Type: ReportUsing a state-of-the art computer model of global supply and demand for food and feed commodities, this book projects the likely changes in the fisheries sector over the next two decades. As prices for most food commodities ... -
Agricultural development and the opportunities for aquatic resources research in China
(2003)Type: Conference ProceedingsChina is a large and rapidly developing country. Fisheries and aquaculture have been prominent sectors in the contribution to GDP and the provision of food security, export revenue, and livelihoods for the poor. The rapid ... -
Production and grow-out of the black-lip pearl oyster Pinctada margaritifera
(2003)Type: Journal ArticleBlack-lip pearl oysters (Pinctada margaritifera) are widespread throughout the Indo-Pacific region, where they have traditionally been used for food, ornaments, jewellery, tools and fish hooks. However, the major benefits ... -
Food and feeding habits of Synodontis nigrita from the Osun River, SW Nigeria
(2003)Type: Journal ArticleAn investigation was conducted into the food and feeding habits of Synodontis nigrita from the Osun River near Epe, Lagos, Nigeria. The food items in the stomach of the S. nigrita covered a wide spectrum, ranging from ... -
FishBase species profile: Rhincodon typus (Smith, 1828) whale shark
(2003)Type: Journal ArticleWhale shark as listed in the Fishbase database was described. -
Spawning and hatching performance of the silvery black porgy Sparidentex hasta under hypersaline conditions
(2003)Type: Journal ArticleAbu Al Abyad island is characterized by harsh environmental conditions. A preliminary trial conducted at the island to investigate the spawning and hatching performance of the blue finned sea bream Sparidentex hasta indicated ... -
Growth, mortality and recruitment of Nile perch Lates niloticus (L. Centropomidae) in the Nyanza Gulf of Lake Victoria: an evaluation update
(2003)Type: Journal ArticleA reassessment of the estimates of growth, mortality and recruitment patterns of Nile Perch, Lates niloticus was made based on data from commercial landings collected during the Catch Assessment Survey Programme. Two sets ... -
Genetic diversity in wild stocks of the giant freshwater prawn (Macrobrachium rosenbergii): implications for aquaculture and conservation
(2003)Type: Journal ArticleThe giant freshwater prawn (Macrobrachium rosenbergii) is cultured widely around the world but little is known about the levels and patterns of genetic diversity in either wild or cultured stocks. Studies have suggested ... -
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 ... -
Genetic improvement of the herbivorous blunt snout bream (Megalobrama amblycephala)
(2003)Type: Journal ArticleSelection experiments with the herbivorous blunt snout bream or Wuchang bream (Megalobrama amblycephala) were started in 1985. Mass selection for size and length/depth ratio resulted in a significant increase in growth and ... -
A preliminary study on the feasibility of using fenced brushparks for fish production in Lake Chilwa, Malawi
(2003)Type: Journal ArticleA study to investigate the feasibility of using fenced brushparks for fish ranching in Lake Chilwa was conducted for five months at the Kachulu Harbor. In a water depth of 1.4 m enclosures constructed from bamboo sticks ... -
Shrimp disease management using bioactive marine secondary metabolites: an eco-friendly approach
(2003)Type: Journal ArticleVibriosis caused by opportunistic and secondary bacterial pathogens is still a serious disease problem in aquaculture of the black tiger shrimp Penaeus monodon. Attempts were made for controlling shrimp bacterial disease ... -
Potential of genetics for aquaculture development in Africa
(2003)Type: Journal ArticleAquaculture in Africa is fairly insignificant by world standards and accounts for a mere 0.4 per cent of global aquaculture production. The application of genetics can play an important role in efforts to increase aquaculture ... -
FishBase species profile: Clarias gariepinus (Burchell, 1822) North African catfish
(2003)Type: Journal ArticleIn this issue NAGA introduces a new page on profiles of fish species. This page will be a permanent feature of the NAGA and will be based on information derived from FishBase (http://www.fishbase.org), the world’s premier ... -
Breeding and culture of the sea cucumber Holothuria scabra in Vietnam
(2003)Type: Journal ArticleThe sea cucumber Holothuria scabra (sandfish) has been commercially exploited over a wide tropical and subtropical range for centuries. It can produce a high-value grade of beche-demer if processing is carried out well. ... -
Investing in Africa: the WorldFish Center's African strategy in summary
(2003)Type: Journal ArticleAcross much of Africa, freshwater and coastal fisheries provide an important source of food and livelihood for many millions of people. In addition, the aquaculture potential of the continent has only recently begun to be ... -
Potential for the development of aquaculture in Africa
(2003)Type: Journal ArticleAquaculture production in Africa has remained low despite the huge potential that exists on the continent. In order for this potential to be realized, it is necessary to refocus the direction of aquaculture development. ... -
Stock evaluation and development of a breeding program for common carp (Cyprinus carpio) in Karnataka, India: progress of a research project
(2003)Type: Journal ArticleCommon carp (Cyprinus carpio) is the single most important species for aquaculture in the state of Karnataka, India, where it is generally grown in polyculture with Indian major carps. Precocious maturation and unwanted ...
