The Effect of Climate Change on Indicator Wetland Insects: Predicting the Current and Future Distribution of Two Giant Water Bugs (Hemiptera: Belostomatidae) in South Korea.

IF 2.7 2区 农林科学 Q1 ENTOMOLOGY
Insects Pub Date : 2024-10-19 DOI:10.3390/insects15100820
Seon Yi Kim, Changseob Lim, Ji Hyoun Kang, Yeon Jae Bae
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Abstract

Giant water bugs (Hemiptera: Belostomatidae) are top predators in wetland ecosystems, serving as biological indicators of the health of lentic ecosystems and as effective biological control agents for freshwater snails and mosquitoes. This study aimed to predict the current and future distribution of two Korean giant water bugs, Appasus japonicus and Diplonychus esakii, under three climate change scenarios, contributing to the sustainable management of wetland ecosystems in South Korea. Using MaxEnt models, we employed seven climatic and three non-climatic variables to investigate the habitat preferences and distribution patterns of the species. The results revealed that A. japonicus is likely to experience a northward range contraction due to climate change, while D. esakii is predicted to expand its distribution northward without losing its current range. These responses may lead to occupancy turnover between the two species, potentially driving reassembly in aquatic organism community. Elevation was the primary factor influencing the distribution of A. japonicus, whereas annual mean temperature was the most informative variable for D. esakii, both factors derived under the current climate conditions. These findings suggest that both species are highly sensitive to climate change, with potential range shifts toward higher latitudes and elevations. This study provides insights into how climate change could impact two giant water bugs, thereby supporting future efforts to manage and conserve wetland ecosystems in this country.

气候变化对指示性湿地昆虫的影响:预测两种巨型水虱(半翅目:Belostomatidae)目前和未来在韩国的分布。
大水蝽(半翅目:Belostomatidae)是湿地生态系统中的顶级捕食者,是反映湿地生态系统健康状况的生物指标,也是淡水蜗牛和蚊子的有效生物控制剂。本研究旨在预测三种气候变化情景下两种韩国大水虻(Appasus japonicus 和 Diplonychus esakii)当前和未来的分布情况,为韩国湿地生态系统的可持续管理做出贡献。利用 MaxEnt 模型,我们采用了七个气候变量和三个非气候变量来研究物种的栖息地偏好和分布模式。结果表明,由于气候变化,A. japonicus 的分布范围可能会向北收缩,而 D. esakii 的分布范围则会向北扩展,但不会丧失其目前的分布范围。这些反应可能会导致这两个物种之间的迁徙,从而推动水生生物群落的重新组合。海拔是影响日本栉水母分布的主要因素,而年平均气温则是对日本栉水母最具参考价值的变量,这两个因素都是在当前气候条件下产生的。这些发现表明,这两个物种对气候变化高度敏感,其分布范围可能会向高纬度和高海拔地区转移。这项研究提供了气候变化如何影响两种巨型水生昆虫的见解,从而支持了该国未来管理和保护湿地生态系统的努力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Insects
Insects Agricultural and Biological Sciences-Insect Science
CiteScore
5.10
自引率
10.00%
发文量
1013
审稿时长
21.77 days
期刊介绍: Insects (ISSN 2075-4450) is an international, peer-reviewed open access journal of entomology published by MDPI online quarterly. It publishes reviews, research papers and communications related to the biology, physiology and the behavior of insects and arthropods. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material.
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