加拿大环斑海豹(Phoca hispida)的捕捞历史

R. Reeves, G. Wenzel, M. Kingsley
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引用次数: 2

摘要

环海豹(Phoca hispida)一直是加拿大因纽特人饮食和家庭经济的主食。本文件是应NAMMCO科学委员会的要求编写的,目的是支持该委员会对北大西洋盆地及邻近北极和亚北极水域的环斑海豹种群进行评估。具体来说,我们的目标是评估加拿大因纽特人最近和目前使用环印的水平。在海豹皮价格特别坚挺的20世纪60年代和70年代,每年的捕杀量可能最高(可能超过10万只)。20世纪80年代,随着海豹皮价格暴跌,海豹捕获量大幅下降,这可能与欧洲对新生格陵兰海豹和冠海豹(分别为格陵兰海豹和冠海豹)皮毛的贸易禁令有关。据信,最近整个加拿大(20世纪80年代和90年代初)的捕捞量约为50,000至65,000只环斑海豹,平均每年的总捕杀量(包括狩猎损失)高达数万只。目前还没有可靠的系统来监测环封的渔获量,因此任何估计都必须来自各种不同的来源。
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Catch history of ringed seals ( Phoca hispida ) in Canada
The ringed seal ( Phoca hispida ) has always been a staple in the diet and household economy of Inuit in Canada. The present paper was prepared at the request of the NAMMCO Scientific Committee to support their assessment of ringed seal stocks in the North Atlantic Basin and adjacent arctic and subarctic waters. Specifically, our objective was to evaluate recent and current levels of use of ringed seals by Canadian Inuit. Annual removals probably were highest (possibly greater than 100,000) in the 1960s and 1970s, a period when sealskin prices were particularly strong. Catches declined substantially in the 1980s following a collapse in sealskin prices, presumably related to the European trade ban on skins from newborn harp and hooded seals ( Phoca groenlandica  and Cystophora cristata , respectively). Recent catch levels throughout Canada (1980s and early 1990s) are believed to be in the order of 50,000 to 65,000 ringed seals, with a total average annual kill (including hunting loss) in the high tens of thousands. No reliable system is in place to monitor catches of ringed seals, so any estimate must be derived from a heterogeneous array of sources.
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来源期刊
CiteScore
0.60
自引率
0.00%
发文量
4
审稿时长
52 weeks
期刊最新文献
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