Analysis of fishing intensity in the South China Sea based on automatic identification system data: A comparison between China and Vietnam

Author:

Wu Wenzhou12,Zhang Peng12ORCID,Wang Qi3,Kang Lu4,Su Fenzhen12

Affiliation:

1. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China

2. College of Resource and Environment University of Chinese Academy of Sciences Beijing China

3. School of Surveying and Geo‐Informatics Shandong Jianzhu University Jinan China

4. China Land Surveying and Planning Institute Beijing China

Abstract

AbstractObjectiveRecently, the South China Sea has been facing a crisis of depleted fishery resources, primarily due to the impacts of illegal, unreported, and unregulated fishing activities, as well as overfishing. Accurately understanding the fishing activity intensity in the South China Sea holds significant implications for the sustainable management of fisheries resources.MethodsLeveraging the automatic identification system trajectory data from 2018, this paper employs spatial statistical methods and fishing effort indicators to comparatively analyze the spatial variations in fishing intensity between Chinese and Vietnamese fishing vessels.ResultThe results of this study show that (1) in 2018, the total fishing effort of Chinese fishing vessels in the South China Sea was 7.65 times that of Vietnamese vessels, but during China's South China Sea fishing moratorium, the fishing effort exerted by Vietnamese vessels surpassed that of China and (2) the top 10 ports in China and Vietnam support approximately 30% and 55.13% of their respective fishing intensities in the South China Sea.ConclusionThe study highlights significant variations in fishing intensity between Chinese and Vietnamese vessels and the substantial support provided by major ports. These findings offer valuable insights for fisheries resource monitoring and maritime spatial planning, contributing to the sustainable management of the South China Sea's fisheries resources.

Funder

National Natural Science Foundation of China

National Key Research and Development Program of China

Publisher

Wiley

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