AI Article Synopsis
- - Frog populations in the central Amazon are decreasing, even among species deemed common and not at risk of extinction.
- - The Amazon is nearing its deforestation limits and has already experienced climate-related changes, raising concerns about how wildlife will cope with future changes.
- - A study analyzed seven frog species' population density data in relation to climate factors and found that even common species could face declines and potential extinction due to climate change projections.
Article Abstract
Frog population declines have already been observed in the central Amazon even for common species that are considered not to be in danger of extinction. The Amazon is close to its limit of tolerated deforestation, and parts of the forest have already been modified by climate change, which raises questions about how the fauna in these areas would adapt to climate changes by the middle and the end of this century. In this study we used population density data on seven species of Amazonian frogs and analyzed the relationship between the activity of these species and temperature, precipitation, and relative humidity. We also used the least-squares method with logarithmic models to assess whether climate change projected by the Intergovernmental Panel on Climate Change (IPCC) would be an indicator of the population dynamics of these species. Our results suggest that even common species may be may experience population declines and extinction in the next decades due to climate changes.
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| http://dx.doi.org/10.1007/s10661-023-11997-x | DOI Listing |
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