内陆渔业:尼日利亚尼日尔三角洲的现状、管理和相关冲突

S. U. Nwaka, I. Isangedighi, N. L. Isemin
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引用次数: 0

摘要

内陆渔业部门的重要性怎么强调都不为过,它在提供粮食安全和创造当地收入方面的重要性是毋庸置疑的。由于过度捕捞和生境退化,内陆开放水域捕捞渔业的产量正在下降。渔获量的迅速下降可能表明,大多数尼日利亚内陆水域的鱼类产量普遍较低,原因可能从渔业管理不足到水体退化。尼日尔三角洲的手工捕鱼面临着来自人类活动的无数障碍;其中一个问题是商业拖网渔船和石油公司在该地区活动的威胁。当地鱼类和渔业产品的供应包括手工(85%)、工业(14%)和水产养殖(1%)分部门的生产。尼日尔三角洲的高度活动水平使该地区面临水、土地和空气污染以及石油泄漏的危险,这些危险危及水生生物以及整个生态系统、地形和地表植被,导致生物多样性的丧失和冲突。渔业在就业、创收、减轻贫穷、赚取外汇和为动物饲料工业提供原料方面对国民经济的贡献是非常重大的。为了使生物多样性保护有效,管理措施必须是广泛的。关键词:内陆渔业,水产养殖,过度开发,可持续,污染
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Inland fisheries: Status, management and related conflicts in the niger delta, Nigeria
The importance of inland fisheries sector cannot be over-emphasized and its significance in providing food security and generating local income is not in doubt. Production from inland open water capture fisheries is declining due to over-exploitation and habitat degradation. The rapidly declining catch from fish landing is a possible indication that the fish yields of most Nigerian inland waters are generally low for causes that may range from inadequate management of fisheries to degradation of water bodies. Artisanal fishing in the Niger Delta is faced with myriads of obstacles emanating from human activities; one of these problems being the menace of the commercial fishing trawlers and activities of the oil companies in the area. The local supply of fish and fishery products consists of production from the artisanal (85%), industrial (14%) and Aquaculture (1%) subsectors. The high activity level in the Niger Delta has exposed the area to the dangers of pollution of water, land and air as well as oil spills which have endangered aquatic life as well as the entire ecosystem, topography and surface vegetation leading to loss of biodiversity and conflicts. The contribution of fisheries to the nation economy is very significant in terms of employment, income generation, poverty alleviation, foreign exchange earnings and provision of raw materials for the animal feed industry. In order for biodiversity conservation to be effective, management measures must be broad based. Keywords: Inland Fisheries, Aquaculture, Over-exploitation, Sustainable, and Pollution.
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