Effects of oceanographic conditions on fishery distribution: A case study of chub mackerel (Scomber japonicus) in northeastern Taiwan

IF 3 3区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Marine environmental research Pub Date : 2024-10-18 DOI:10.1016/j.marenvres.2024.106803

Sandipan Mondal , Frank Muller-Karger , Aratrika Ray , Shin-Ichi Ito , Ming-An Lee , Hsueh-Jung Lu

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Abstract

Changes in oceanographic conditions can affect species distribution in marine habitats. Global climate change may negatively influence the oceanographic factor–species distribution relationship. Here, we assessed the influence of oceanographic conditions on chub mackerel (Scomber japonicus) distribution in northeastern Taiwan by constructing and using a habitat ensemble model incorporating chub mackerel fishery, climatic oscillation, and oceanography data. Our results indicated that the chub mackerel catch was mainly influenced by the Western Pacific Oscillation. Moreover, sea-surface height and mixed-layer depth exerted the most and least significant effects on chub mackerel distribution, respectively. The chub mackerel catch rate peaked in the study area with a sea-surface temperature of 29 °C, sea-surface chlorophyll of 0.25 mg/m³, sea-surface salinity of 33.7 psμ, and SSH of 0.575 m. Chub mackerel was the most widely distributed in the area between 25°N, 120.5°E and 26.2°N, 121.5°E. Our findings can be used to develop critical adaptation plans for managing chub mackerel fisheries in the northeastern waters of Taiwan. Considering changing climate conditions globally, the incorporation of this knowledge into managerial strategies may aid decision-makers in protecting not only other ocean fisheries but also individuals dependent on them.

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海洋条件对渔业分布的影响：台湾东北部鲐鱼（Scomber japonicus）个案研究。

海洋条件的变化会影响海洋栖息地的物种分布。全球气候变化可能会对海洋因子-物种分布关系产生负面影响。在此，我们通过构建和使用一个包含鲭鱼渔业、气候振荡和海洋学数据的生境组合模型，评估了海洋学条件对台湾东北部鲭鱼分布的影响。结果表明，鲐鱼渔获量主要受西太平洋涛动的影响。此外，海面高度和混合层深度对鲐鱼分布的影响分别最大和最小。在研究区域，当海面温度为 29 °C、海面叶绿素为 0.25 mg/m3、海面盐度为 33.7 psμ 和 SSH 为 0.575 m 时，鲐鱼的捕获率达到峰值。我们的研究结果可用于制定关键的适应计划，以管理台湾东北部海域的鲐鱼渔业。考虑到全球不断变化的气候条件，将这些知识纳入管理策略，不仅有助于决策者保护其他海洋渔业，也有助于保护依赖这些渔业的个体。

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来源期刊

Marine environmental research 环境科学-毒理学

CiteScore

5.90

自引率

3.00%

发文量

217

审稿时长

46 days

期刊介绍： Marine Environmental Research publishes original research papers on chemical, physical, and biological interactions in the oceans and coastal waters. The journal serves as a forum for new information on biology, chemistry, and toxicology and syntheses that advance understanding of marine environmental processes. Submission of multidisciplinary studies is encouraged. Studies that utilize experimental approaches to clarify the roles of anthropogenic and natural causes of changes in marine ecosystems are especially welcome, as are those studies that represent new developments of a theoretical or conceptual aspect of marine science. All papers published in this journal are reviewed by qualified peers prior to acceptance and publication. Examples of topics considered to be appropriate for the journal include, but are not limited to, the following: – The extent, persistence, and consequences of change and the recovery from such change in natural marine systems – The biochemical, physiological, and ecological consequences of contaminants to marine organisms and ecosystems – The biogeochemistry of naturally occurring and anthropogenic substances – Models that describe and predict the above processes – Monitoring studies, to the extent that their results provide new information on functional processes – Methodological papers describing improved quantitative techniques for the marine sciences.