Impact of fisheries footprint on an early warning indicator of resilience reduction in marine net primary productivity

Youzhu Zhao; Yangfan Li

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Impact of fisheries footprint on an early warning indicator of resilience reduction in marine net primary productivity

机译：Impact of fisheries footprint on an early warning indicator of resilience reduction in marine net primary productivity

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摘要

Human activities and climate change have profound effects on marine ecosystems, leading to changes in ecosystem functionality and evenreduced resilience. Hence, a systematic assessment of the marine ecosystem resilience and the drivers of resilience is needed. This studyprovides an approach to help measure the resilience of reduction marine ecosystems by calculating early warning signs of marine net primaryproductivity, while introducing fishing activities and environmental data in the study area to evaluate the factors affecting marine ecosystemresilience. The results showed that in 36.29% of the Chinese exclusive economic zone, resilience was likely to be significantly decreased. Therewas a non-linear relationship between fishing activities and indicators of resilience reduction, with pixels with high-intensity fishing activitiesbeing more susceptible to resilience reduction. Fishing regulations are urgently needed in areas where marine ecosystem resilience may bereducing. Effective management and protection of marine ecosystems require assessment of the spatial overlap between marine ecosystemsstates and human activities. This study provides a scientific basis for sustainable management of social-ecological systems by comparing highprecisionfishing data to marine environmental data, thereby analysing marine ecosystem resilience through the use of early warning indicators.

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《ICES journal of marine science: International Council for the Exploration of the Sea journal of marine science》 |2022年第10期|2741-2751|共11页
作者
Youzhu Zhao; Yangfan Li;
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作者单位

tate Key Laboratory of Marine Environmental Science, Key Laboratory of Ministry of Education for Coastal andWetland Ecosystems,Coastal and Ocean Management Institute, Xiamen University, Xiamen, China, and Southern Marine Science and Engineering GuangdongL;

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正文语种英语
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early warning indicators; fishing footprint; marine net primary productivity; resilience;

Impact of fisheries footprint on an early warning indicator of resilience reduction in marine net primary productivity

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