MaxEnt-Based Global Distribution Model of an Invasive Benthic Macroinvertebrate Species (Procambarus clarkii), Focusing on Habitat Suitability in South Korea

IF 1.6 4区 农林科学 Q3 ENTOMOLOGY
Yunsang Jeong, SoonJae Eum, Hyungsoon Jeong
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引用次数: 0

Abstract

Invasive alien species are an international problem because they can pose ecological and economic threats. Red swamp crayfish (Procambarus clarkii) is a representative invasive invertebrate species that has spread to Europe, North America, and Asia and causes ecosystem disturbances in freshwater and damages water management facilities. This study aimed to evaluate the species distribution and potential spread of P. clarkii, which was presumed to have been human-mediated introduced into South Korea. To achieve this purpose, this study predicted the global habitable areas of P. clarkii using a maximum entropy model based on global and South Korea-specific P. clarkii distribution data and five environmental variables. Shared socioeconomic pathway (SSP) scenarios were used to assess the effects of climate change on distribution. The model showed a good predictive performance for occurrence (AUC = 0.9707; TSS = 0.851; F1 score = 0.869). Temperature seasonality and mean temperature of the warmest quarter were the most influential factors for P. clarkii habitat. The model identified most regions with temperate climates and parts with continental and cold semiarid climates as high-risk areas. Under the SSP scenarios, the model predicted that the range might move into continental regions where habitat suitability is lower than that in temperate regions. In South Korea, habitat suitability was predicted to be high in the southern regions and eastern and western coasts. Also, suitability within the country is expected to increase. This study provides perspectives on P. clarkii invasion risk and highlights the need to prevent human-mediated introduction.

基于maxent的大型底栖无脊椎动物入侵物种克氏原螯虾(Procambarus clarkii)全球分布模型——以韩国生境适宜性为重点
外来入侵物种是一个国际问题,因为它们会对生态和经济造成威胁。克氏原螯虾(Procambarus clarkii)是一种具有代表性的入侵无脊椎动物物种,已扩散到欧洲、北美和亚洲,对淡水生态系统造成干扰,破坏水管理设施。本研究旨在评估克氏疟原虫的种类分布和潜在传播,该菌株被推测是通过人介导传入韩国的。为了实现这一目标,本研究基于全球和韩国特有的克氏疟原虫分布数据和五个环境变量,使用最大熵模型预测了克氏疟原虫的全球宜居面积。采用共享社会经济路径(SSP)情景来评估气候变化对分布的影响。模型对发生概率的预测效果较好(AUC = 0.9707; TSS = 0.851; F1得分= 0.869)。温度季节性和最暖季平均温度是影响克氏疟原虫生境的主要因素。该模式将温带气候的大部分地区以及大陆性和寒冷半干旱气候的部分地区确定为高风险地区。在SSP情景下,该模型预测范围可能会移动到栖息地适宜性低于温带地区的大陆地区。在韩国,预计南部地区和东西海岸的生境适宜性较高。此外,国内的适宜性预计也会增加。本研究提供了关于克氏疟原虫入侵风险的观点,并强调了预防人为引入的必要性。
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来源期刊
CiteScore
2.50
自引率
7.70%
发文量
64
期刊介绍: Entomological Research is the successor of the Korean Journal of Entomology. Published by the Entomological Society of Korea (ESK) since 1970, it is the official English language journal of ESK, and publishes original research articles dealing with any aspect of entomology. Papers in any of the following fields will be considered: -systematics- ecology- physiology- biochemistry- pest control- embryology- genetics- cell and molecular biology- medical entomology- apiculture and sericulture. The Journal publishes research papers and invited reviews.
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