Impacts of climate change on the amphibians and reptiles of Southeast Asia
2010
Bickford, David | Howard, Sam D. | Ng, Daniel J. J. | Moss, Jennifer Sheridan
Amphibians and reptiles will be adversely affected by projected rapid changes in climate in the next decades. Here, we review the known and potential impacts of climate change on the Southeast Asian amphibians and reptiles and make mitigation recommendations for both research and policy. Current amphibian and reptile distributions and ecologies mirror climate patterns, and we expect that adaptation to changes in these parameters will be too slow relative to their rate of expected change, and that pervasive changes will occur to species assemblages, communities, and ecosystem functioning and services. Southest Asia is a network of islands with relatively few mountains, effectively preventing most herpetofauna from migrating away from the effects of climate change. Reflecting specific known and hypothesized physiological and ecological thresholds, we estimate that in <50 years, amphibians and reptiles in Southeast Asia will have reached or exceeded most limits in their abilities to adapt to the effects of climate change and that temperature dependent sex determination, higher metabolic rates, and less bio-available water will have severe and irreversible effects on these organisms. We suggest that human decision-making and policy development have already lagged and that societal change is happening too slowly for effective mitigation. If we are to avert devastating loss of biodiversity and a complete meltdown of ecosystem services, we must quickly change our attitudes and thinking about how we interact with and use biological systems.
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