基于自动识别系统数据的南海捕捞强度分析:中国与越南的比较

IF 1.8 3区 农林科学 Q2 FISHERIES
Wenzhou Wu, Peng Zhang, Qi Wang, Lu Kang, Fenzhen Su
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引用次数: 0

摘要

目标 最近,主要由于非法、未报告和无管制的捕捞活动以及过度捕捞的影响,南海一直面临着渔业资源枯竭的危机。准确了解南海的捕捞活动强度对渔业资源的可持续管理具有重要意义。 方法 本文利用2018年自动识别系统轨迹数据,采用空间统计方法和捕捞强度指标,比较分析了中越渔船捕捞强度的空间变化。 结果 研究结果表明:(1)2018 年,中国渔船在南海的总捕捞强度是越南渔船的 7.65 倍,但在中国南海伏季休渔期间,越南渔船的捕捞强度超过了中国;(2)中国和越南的前十大港口支撑了各自约 30%和 55.13%的南海捕捞强度。 结论 本研究强调了中国和越南船只在捕捞强度上的显著差异,以及主要港口提供的大量支持。这些发现为渔业资源监测和海洋空间规划提供了宝贵的见解,有助于南海渔业资源的可持续管理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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

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

Objective

Recently, 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.

Methods

Leveraging 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.

Result

The 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.

Conclusion

The 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.

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来源期刊
Marine and Coastal Fisheries
Marine and Coastal Fisheries FISHERIES-MARINE & FRESHWATER BIOLOGY
CiteScore
3.40
自引率
5.90%
发文量
40
审稿时长
>12 weeks
期刊介绍: Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science publishes original and innovative research that synthesizes information on biological organization across spatial and temporal scales to promote ecologically sound fisheries science and management. This open-access, online journal published by the American Fisheries Society provides an international venue for studies of marine, coastal, and estuarine fisheries, with emphasis on species'' performance and responses to perturbations in their environment, and promotes the development of ecosystem-based fisheries science and management.
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