Managing Aquatic Species of Conservation Concern in the Face of Climate Change and Invasive Species
The difficult task of managing species of conservation concern is likely to become even more challenging due to the interaction of climate change and invasive species. In addition to direct effects on habitat quality, climate change will foster the expansion of invasive species into new areas and magnify the effects of invasive species already present by altering competitive dominance, increasing predation rates, and enhancing the virulence of diseases. In some cases parapatric species may expand into new habitats and have detrimental effects that are similar to those of invading non-native species. The traditional strategy of isolating imperiled species in reserves may not be adequate if habitat conditions change beyond historic ranges or in ways that favor invasive species. The consequences of climate change will require a more active management paradigm that includes implementing habitat improvements that reduce the effects of climate change and creating migration barriers that prevent an influx of invasive species. Other management actions that should be considered include providing dispersal corridors that allow species to track environmental changes, translocating species to newly suitable habitats where migration is not possible, and developing action plans for the early detection and eradication of new invasive species.
Keywords: aquatic invasive species; cambio climático; cambios en la distribución; climate change; corredores de dispersión; dispersal corridors; efectos de especies invasoras; especies acuáticas invasoras; especies de interés para la conservación; especies en peligro; habitat improvement; imperiled species; invasive species effects; mejoramiento del hábitat; range shifts; species of conservation concern; species translocation; translocación de especies
Document Type: Research Article
Affiliations: 1: Department of Zoology and Physiology, Department 3166, 1000 East University Avenue, University of Wyoming, Laramie, WY 82071, U.S.A., Email: [email protected] 2: Global Change Research Program, National Center for Environmental Assessment, U.S. EPA–ORD (MC 8601P), 1200 Pennsylvania Avenue NW, Washington, D.C. 20460, U.S.A. 3: Department of Environmental Science and Technology, Meijo University, Tenpaku, Nagoya, Aichi 468-8502, Japan
Publication date: June 1, 2008