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Current and projected future risks of freshwater fish invasions in China
Liu, Chunlong1,3,4,5; Comte, Lise5; Xian, Weiwei1,2; Chen, Yifeng4; Olden, Julian D.5
Source PublicationECOGRAPHY
Corresponding AuthorChen, Yifeng(
AbstractBiological invasions are a primary threat to global biodiversity, supporting mounting calls for the development of early-warning systems to manage existing and emerging invaders. Here, we evaluated the geographical pattern of invasion risks of currently established and potentially emerging nonnative freshwater fishes in China by jointly considering the threats of introduction and establishment under climate change. Introduction threats were estimated according to proxies of human activities and propagule pressure for two primary pathways (aquaculture or ornamental). Establishment threats for 51 current and 64 potential invaders (based on whether having established or not self-sustaining populations) were assessed using an ensemble of species distribution models under current (1960-1990) and future [2041-2060 (2050s) and 2061-2080 (2070s)] climate scenarios. Geographical patterns of invasion risk were then assessed by overlaying the threats of introduction and establishment for each species group both in present-day and in the future. We found that eastern China displayed the highest threat of introduction. By contrast, southeastern and northwestern regions were identified as the most suitable for the establishment of both current and potential invaders. Under a changing climate, 83 out of 115 species displayed an increase in habitat suitability, resulting in an overall increase of 4.8% by 2050s and 7.1% by 2070s in the extent of suitable habitat for nonnative freshwater fishes. Taken together, invasion risk was found to be highest in southeastern China and lowest in the Tibet Plateau. Our research highlights the importance of assessing invasion risk by integrating the threats associated with the introduction and establishment stages. In particular, our findings revealed convergent patterns of invasion risk between current and potential nonnative freshwater fishes under climate change. Geographic patterns in hotspots of existing and emerging invasions provide critical insights to guide the allocation of resources to monitor and control existing and emerging invasions in China.
Keywordemerging invasions establishment threat introduction pathway invasion risk nonnative species species distribution models
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[31472016] ; National Natural Science Foundation of China[31872568] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0501] ; Chinese Scholarship Council (CSC) ; H. Mason Keeler Endowed Professorship (School of Aquatic and Fishery Sciences, Univ. of Washington) ; Natural Science Foundation of China-Shandong Joint Fund for Marine Ecology and Environmental Sciences[U1606404]
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Ecology
WOS IDWOS:000487486500001
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Document Type期刊论文
Corresponding AuthorChen, Yifeng
Affiliation1.Chinese Acad Sci, CAS Key Lab Marine Ecol & Environm Sci, Inst Oceanol, Qingdao, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Shandong, Peoples R China
3.Leibniz Inst Freshwater Ecol & Inland Fisheries, Berlin, Germany
4.Chinese Acad Sci, Inst Hydrobiol, Lab Biol Invans & Adapt Evolut, Wuhan, Hubei, Peoples R China
5.Univ Washington, Sch Aquat & Fishery Sci, Seattle, WA 98195 USA
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Chunlong,Comte, Lise,Xian, Weiwei,et al. Current and projected future risks of freshwater fish invasions in China[J]. ECOGRAPHY,2019:10.
APA Liu, Chunlong,Comte, Lise,Xian, Weiwei,Chen, Yifeng,&Olden, Julian D..(2019).Current and projected future risks of freshwater fish invasions in China.ECOGRAPHY,10.
MLA Liu, Chunlong,et al."Current and projected future risks of freshwater fish invasions in China".ECOGRAPHY (2019):10.
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