期刊
FISHERIES MANAGEMENT AND ECOLOGY
卷 28, 期 1, 页码 28-39出版社
WILEY
DOI: 10.1111/fme.12453
关键词
alien species; Aquatic Species Invasiveness Screening Kit; horizon species; RAMSAR; risk analysis; risk assessment
类别
资金
- Cefas' Science Excellence fund
Risk screening tools, specifically the Aquatic Species Invasiveness Screening Kit (AS-ISK), were used to identify potentially invasive non-native fish species in the Anzali Wetland Complex. The tool demonstrated reliable discrimination between non-invasive and invasive fish species, with high-risk classifications for a majority of the species. These results suggest the effectiveness of AS-ISK in identifying potentially invasive non-native freshwater fishes in other wetlands of the Caspian Sea basin.
Risk screening tools play a crucial role in identifying potential high-risk non-native (NN) fish species. In this study, potentially invasive NN fish species in the Anzali Wetland Complex (AWC), which is located on the south coast of the Caspian Sea (Iran), were identified using the Aquatic Species Invasiveness Screening Kit (AS-ISK). Twenty-nine freshwater fish species were screened of which 13 exist in the AWC and 16 in close proximity to it (horizon species). Receiver operating characteristic curve analysis showed that AS-ISK could discriminate reliably between non-invasive and invasive fish species for the AWC. Mean threshold scores were 3.25 for the Basic Risk Assessment (BRA) and 11.75 for the BRA + CCA (BRA + Climate Change Assessment), and these, respectively, classified 89.7% and 86.2% of the species as high risk. The CCA resulted in an increase in the BRA scores for 86.2% of the species, suggesting the need to account in future NN species management for a likely increased invasiveness of those species under future climate conditions. These results suggest that AS-ISK could prove an effective tool for identifying potentially invasive NN freshwater fishes in other wetlands of the Caspian Sea basin.
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