期刊
DIVERSITY-BASEL
卷 14, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/d14100793
关键词
freshwater fishes; Central America; threats; red list; conservation
资金
- New Mexico BioPark Society
- Center for Species Survival
This study provides an updated assessment of the conservation status and threat level of freshwater fish species in Central America. The results highlight the importance of conservation planning and action to protect the region's freshwater ecosystems.
Central America contains a rich diversity of freshwater habitats that support more than 600 species of freshwater fishes. However, despite several perceived threats to the integrity of the freshwater habitats throughout the region, a formal analysis of extinction risk for the region's ichthyofauna is lacking. In this manuscript, we report an updated checklist of species and a novel comprehensive assessment of the conservation status of Central American freshwater fishes by applying the IUCN Red List Categories and Criteria to species at the global level. We also analyze the distribution of freshwater fishes across Central America and generate baseline geospatial data that can be used in multi-species conservation planning processes, which is available through the Red List Website. Our results indicate that between 15 and 28% of freshwater fishes in the region are threatened with extinction, with considerable uncertainty resulting from elevated data deficiency. We identify major and widespread threats in the region, including pollution, agriculture, aquaculture, biological resource use, natural system modifications, invasive species, and land development. This analysis represents an important first step in formulating effective conservation planning and action initiatives for a taxonomic group that historically has received few protections and can be used to inform conservation priorities of freshwater ecosystems at both national and regional scales.
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