首页|Geographical patterns and determinants of insect biodiversity in China
Geographical patterns and determinants of insect biodiversity in China
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Insects play important roles in the maintenance of ecosystem functioning and the provision of livelihoods for millions of people.However,compared with terrestrial vertebrates and angiosperms,such as the giant panda,crested ibis,and the metasequoia,insect conservation has not attracted enough attention,and a basic understanding of the geographical biodiversity patterns for major components of insects in China is lacking.Herein,we investigated the geographical distribution of insect biodiversity across multiple dimensions(taxonomic,genetic,and phylogenetic diversity)based on the spatial distribution and molecular DNA sequencing data of insects.Our analysis included 18 orders,360 families,5,275 genera,and 14,115 species of insects,The results revealed that Southwestern and Southeastern China harbored higher insect biodiversity and numerous older lineages,representing a museum,whereas regions located in Northwestern China harbored lower insect biodiversity and younger lineages,serving as an evolutionary cradle.We also observed that mean annual temperature and pre-cipitation had significantly positive effects,whereas altitude had significantly negative effects on insect biodiversity in most cases.Moreover,cultivated vegetation harbored the highest insect taxonomic and phylogenetic diversity,and needleleaf and broadleaf mixed forests har-bored the highest insect genetic diversity.These results indicated that human activities may positively contribute to insect spatial diversity on a regional scale.Our study fills a knowledge gap in insect spatial diversity in China.These findings could help guide national-level conservation plans and the post-2020 biodiversity conservation framework.
CAS Key Laboratory of Animal Ecology and Conservation Biology,Institute of Zoology,Chinese Academy of Sciences,Beijing 100101,China
CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & China-Croatia"Belt and Road"Joint Laboratory on Biodiversity and Ecosystem Services,Chengdu Institute of Biology,Chinese Academy of Sciences,Chengdu 610041,China
University of Chinese Academy of Sciences,Beijing 100049,China
Jiangxi Provincial Key Laboratory of Conservation Biology,College of Forestry,Jiangxi Agricultural University,Nanchang 330045,China
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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaStrategic Priority Research Program of the Chinese Academy of SciencesYouth Innovation Promotion Association,CASYoung Elite Scientist Sponsorship Program by CAST
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