Fang, Xiaohan and Zhang, Ying (2025) The impact of climate change and economic development on the catches of small pelagic fisheries. Marine Policy, 175. p. 12.
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Small pelagic fishes play a crucial role in marine food webs, providing significant ecological support services. They are the largest target group in global commercial fisheries, accounting for 30 % of the total catch. However, their population status and spatial distribution are highly susceptible to environmental changes and economic development. This study is based on fishing data for 11 small pelagic fisheries in a long-term time series from 1963 to 2021. By integrating various machine learning methods and generalized additive models, we quantitatively assess the impacts and differences of typical climate change events (ENSO and AMO) as well as economic development on the catches of different small pelagic fisheries. Our findings reveal the complex nonlinear and asymmetrical effects of ENSO, AMO, and economic development on the catches, with varying degrees of influence. Economic factors predominantly drive changes in the exploitation of small pelagic fisheries. ENSO, AMO, and their lagged effects significantly influence regional fisheries through teleconnections, with ENSO exerting a particularly pronounced impact on the southeastern Pacific area. While most species are adversely affected by the positive phases of climate change, extreme negative phases do not always benefit. This research provides a systematic understanding of the impacts of climate change and economic expansion on small pelagic fisheries, offering valuable insights for government policymakers and stakeholders to formulate scientific fishing strategies and mitigate the risks of fishery resource depletion.
| Item Type: | Articles |
|---|---|
| Keywords: | Climate Change, Economic Development, Small Pelagic Fisheries, Marine Fisheries, Capture Fisheries, Commercial Fisheries, Regional Fisheries, Fisheries Resources, Mitigation, Fisheries Management |
| Subjects: | Disasters and Climate Change |
| Depositing User: | Kokila ICSF Krish |
| Date Deposited: | 23 Jun 2025 10:43 |
| Last Modified: | 23 Jun 2025 10:43 |
| URI: | http://icsfarchives.net/id/eprint/21725 |
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