Hydrobiology and Inland Fisheries of Africa
نویسندگان
چکیده
منابع مشابه
Inland capture fisheries
The reported annual yield from inland capture fisheries in 2008 was over 10 million tonnes, although real catches are probably considerably higher than this. Inland fisheries are extremely complex, and in many cases poorly understood. The numerous water bodies and small rivers are inhabited by a wide range of species and several types of fisher community with diversified livelihood strategies f...
متن کاملFluctuating Fisheries in Africa's Inland Waters: Well
This paper evaluates evidence that fish stocks in Africa's inland waters are climate-driven and cannot be stabilized by conventional fisheries management measures. We draw on published material and our own recent and on-going research in Lake Chad and the East African Great Lakes area to propose that fisherfolk's livelihood strategies are well adapted to both seasonal and inter-annual climate-i...
متن کاملEcosystem approach to inland fisheries: research needs and implementation strategies.
Inland fisheries are a vital component in the livelihoods and food security of people throughout the world, as well as contributing huge recreational and economic benefits. These valuable assets are jeopardized by lack of research-based understanding of the impacts of fisheries on inland ecosystems, and similarly the impact of human activities associated with inland waters on fisheries and aqua...
متن کاملimplementation strategies Ecosystem approach to inland fisheries : research needs and
References http://rsbl.royalsocietypublishing.org/content/7/4/481.full.html#ref-list-1 This article cites 10 articles, 1 of which can be accessed free Subject collections (589 articles) environmental science (2548 articles) ecology Articles on similar topics can be found in the following collections Email alerting service here right-hand corner of the article or click Receive free email a...
متن کاملManagement Challenges of Freshwater Fisheries in Africa
Many African countries are among the poorest in the world and as a result, the development objective of most African countries is to reduce or even eradicate poverty through modernising agricultural production including fisheries. In countries around Lake Victoria, fisheries contribute 3-5% of GDP. Fisheries also contribute significantly to export earnings of a number of African countries. On a...
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ژورنال
عنوان ژورنال: Nature
سال: 1953
ISSN: 0028-0836,1476-4687
DOI: 10.1038/171291a0