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Impact assessment of human activities on resources of juvenile horseshoe crabs in Hainan coastal areas, China

文献类型： 外文期刊

作者： Chen, Xiaohai 1 ; Gu, Yang-Guang 1 ; Ying, Ziwei 1 ; Luo, Zimeng 1 ; Zhang, Wanling 1 ; Xie, Xiaoyong 1 ;

作者机构： 1.Chinese Acad Fisheries Sci, South China Sea Fisheries Res Inst, Guangdong Prov Key Lab Fishery Ecol & Environm, Guangzhou 510300, Peoples R China

2.Shanghai Ocean Univ, Coll Fisheries Sci & Life Sci, Shanghai 201306, Peoples R China

3.Sanya Trop Fisheries Res Inst, Sanya 570203, Peoples R China

4.231 Xingang West Rd, Guangzhou 510300, Guangdong, Peoples R China

关键词： Coastal zone; Anthropogenic activity; Juvenile horseshoe crabs; Spatial geographic model; Random forest regression

期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.8； 五年影响因子：6.5 ）

ISSN： 0025-326X

年卷期： 2023 年 188 卷

页码：

收录情况： SCI

摘要： The booming coastal zone economy poses increasing anthropogenic threats to marine life and habitats. Using the endangered living fossil horseshoe crab (HSC) as an example, we quantified the intensity of various anthropo-genic pressures along the coast of Hainan Island, China, and for the first time assessed their impact on the distribution of juvenile HSCs through a field survey, remote sensing, spatial geographic modeling, and machine learning methods. The results indicate that the Danzhou Bay needs to be protected as a priority based on species and anthropogenic pressure information. Aquaculture and port activities dramatically impact the density of HSCs and therefore be managed priority. Finally, a threshold effect between total, coastal residential, and beach pressure and the density of juvenile HSCs were detected, which indicates the need for a balance between development and conservation as well as the designation of suitable sites for the construction of marine protected areas.

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