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- Title
Risk screening of non-native freshwater fishes in Yunnan Province, China.
- Authors
You Ge; Xiaohong Gu; Qingfei Zeng; Zhigang Mao; Huihui Chen; Huiting Yang
- Abstract
Invasive non-native freshwater fishes have long been recognized as a threat to biodiversity conservation and management. Non-native fishes with a high risk of becoming invasive can be identified using risk screening tools. Here, we used the Aquatic Species Invasiveness Screening Kit (AS-ISK) to identify the invasion risk of non-native fishes in Yunnan Province, China. AS-ISK scores were calibrated to distinguish between species with high and low-to-medium risks of invasiveness. Risk threshold was 17.25 for BRA (Basic Risk Assessment) and BRA+CCA (BRA+ Climate Change Assessment) in Yunnan Province. Based on BRA scores, 21 of the 37 screened species were classified as high risk, 13 as medium risk and 3 as low risk. Based on BRA+CCA scores, 22 of the 37 screened species were classified as high risk, 12 as medium risk and 3 as low risk. For both BRA and BRA+CCA, the highest-scoring species were Hypostomus plecostomus, Oreochromis aureus, Oreochromis mossambicus and Oreochromis niloticus. This study reliably assessed the risk of non-native fish invasion in Yunnan Province and identified priority non-native fishes for prevention and control, providing information for targeted monitoring and management decisions in the region.
- Subjects
YUNNAN Sheng (China); FRESHWATER fishes; MOZAMBIQUE tilapia; NILE tilapia; BIODIVERSITY conservation; PROVINCES; CLIMATE change
- Publication
Management of Biological Invasions, 2024, Vol 15, Issue 1, p73
- ISSN
1989-8649
- Publication type
Article
- DOI
10.3391/mbi.2024.15.1.05