Management of glass eel fisheries is not a sufficient measure to recover a local Japanese eel population

Management of glass eel fisheries is not a sufficient measure to recover a local Japanese eel population
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玻璃鳗渔业的管理不足以恢复当地日本鳗鱼种群

DOI:
10.1016/j.marpol.2021.104806
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发表时间:
2021
期刊:
影响因子:
3.8
通讯作者:
Washitani Izumi
Washitani Izumi
中科院分区:
法学2区
文献类型:
--
作者:
Kaifu Kenzo;Yokouchi Kazuki;Miller Michael J.;Washitani Izumi

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我们评估了在没有对其他生命阶段、相关生态系统或当地社会经济因素(即未采用基于生态系统的管理(EBM)方法)进行协调管理的情况下,严格的渔业管理措施(关闭捕捞幼鱼(玻璃鳗))是否可以导致当地日本鳗鲡种群的恢复。该研究是在日本冈山县的小岛湾-朝日河系统进行的,因为该县自2003年以来不允许商业玻璃鳗鱼捕捞,这为对玻璃鳗鱼捕捞暂停的影响进行准实验评估提供了一个独特的机会。延绳钓鳗鱼渔业数据和渔业独立抽样数据表明,由于该地区的商业玻璃鳗渔业被关闭,该水系的生长期日本鳗(黄鳝)丰度没有增加,甚至可能减少。基于上述研究结果,我们认为关闭玻璃鳗渔场并不是恢复研究区内日本鳗鲡种群的充分对策。为了保护和可持续利用日本鳗鲡,需要采取生境恢复、黄鳝和银鳝渔业管理等一系列管理措施,并在整个物种分布范围内控制玻璃鳗渔业。实证医学方法可能有助于在适当的空间尺度上推进综合管理。
We evaluated whether a strict fisheries management measure of closure of fishing for recruiting juveniles (glass eels) could have resulted in the recovery of a local population of Japanese eels,Anguilla japonica, when there was no harmonized management of the other life stages, the relevant ecosystem, or local socioeconomic factors (i.e., Ecosystem-Based Management (EBM) approach not applied). The study was conducted in the Kojima Bay-Asahi River system, Okayama Prefecture, Japan, because this prefecture has not permitted commercial glass eel fisheries since 2003, which provides a unique opportunity to conduct a quasi–experimental evaluation of the effects of a glass eel fisheries moratorium. Longline eel fishery data and fishery-independent sampling data indicate that growth-phase Japanese eel (yellow eel) abundance in this water system has not increased, or maybe even decreased, since commercial glass eel fisheries in this area were closed. Based on the results obtained in this study, we concluded that the closure of glass eel fisheries was not a sufficient countermeasure to recover the Japanese eel population in the study area. To conserve and sustainably use Japanese eels, a series of management measures such as habitat restoration and management of yellow and silver eel fisheries are needed along with the control of glass eel fisheries throughout the species distribution range. The EBM approach might be helpful to progress integrated management at appropriate spatial scales.
降产鳗鱼(安圭拉属)的生活史和迁徙进化
DOI: --
发表时间: 2009
期刊: Aqua-BioScience Monograph 2
影响因子: --
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发表时间: 2017
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DOI: --
发表时间: 2006
期刊: GLOBEC International Newsletter 12(2)
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DOI: 10.1111/j.1095-8649.2009.02287.x
发表时间: 2009-06-01
影响因子: 2
作者:
Fukuda, N.;Kuroki, M.;Tsukamoto, K.
通讯作者: Tsukamoto, K.