气候变化对台湾海峡游蟹栖息地适宜性和繁殖动态的影响

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-09-04 DOI:10.1071/mf24002

Muhamad Naimullah, Kuo-Wei Lan, Mubarak Mammel, Lu-Chi Chen, Yan-Lun Wu, Po-Yuan Hsiao, Ting-Yu Liang, Hanafiah Fazhan, Khor WaiHo

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引用次数: 0

摘要

背景据报道，气候变化会影响全球渔业，包括亚洲水域的重要底栖物种--高价值的游蟹。目的本研究旨在确定厄尔尼诺-南方涛动（ENSO）事件对台湾海峡梭子蟹、南美梭子蟹和铁线莲捕获率和栖息地适宜性的影响。方法我们将海洋遥感数据与台湾诱捕渔船数据相结合，建立了一个加权栖息地适宜性指数模型，并分析了不同厄尔尼诺/南方涛动事件中游蟹的招募动态。主要结果我们的研究结果表明，在拉尼娜事件期间，盐度（33.5 PSU）和海温（18.6°C）的增加对P. pelagicus和C. feriatus的种群招募和栖息地适宜性指数有积极影响。相比之下，滇金枪鱼不受厄尔尼诺/南方涛动事件的影响。在正常年份，栉孔鲷的捕获率较低，而在正常年份和厄尔尼诺年份，栉孔鲷和栉孔鲷的捕获率也较低，这与栖息地适宜性指数的显著缩减高度一致。结论监测气候变化和环境因素对了解其对海洋生态系统的影响至关重要。意义这项研究有助于实施可持续的螃蟹渔业。

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Effect of climate change on habitat suitability and recruitment dynamics of swimming crabs in the Taiwan Strait

Context

Climate change reportedly affects global fisheries, including the highly valuable swimming crabs, an important benthic species in Asian waters.

Aims

The aim of this study was to determine the effects of El Niño–Southern Oscillation (ENSO) events on catch rates and habitat suitability of Portunus pelagicus, Portunus sanguinolentus and Charybdis feriatus in the Taiwan Strait.

Methods

We combined marine remote sensing data with Taiwanese trap vessel data to develop a weighted habitat suitability index modelling and analyse the recruitment dynamics of swimming crabs in different ENSO events.

Key results

Our results suggest that Increasing salinity (>33.5 PSU) and sea temperature (>18.6°C) during La Niña events had a positive effect on stock recruitment and habitat suitability index of P. pelagicus and C. feriatus. By contrast, P. sanguinolentus were not affected by ENSO events. The low catch rates for P. sanguinolentus in normal years and for C. feriatus and P. pelagicus in normal and El Niño years were highly consistent with the significant shrinkage of the habitat suitability index.

Conclusions

Monitoring climate change and environmental factors is essential for understanding their effects on marine ecosystems.

Implications

This research can help implement sustainable crab fisheries.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.