December 2023
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1,154 Reads
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4 Citations
Nature
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December 2023
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1,154 Reads
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4 Citations
Nature
October 2023
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2,502 Reads
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310 Citations
Nature
Systematic assessments of species extinction risk at regular intervals are necessary for informing conservation action1,2. Ongoing developments in taxonomy, threatening processes and research further underscore the need for reassessment3,4. Here we report the findings of the second Global Amphibian Assessment, evaluating 8,011 species for the International Union for Conservation of Nature Red List of Threatened Species. We find that amphibians are the most threatened vertebrate class (40.7% of species are globally threatened). The updated Red List Index shows that the status of amphibians is deteriorating globally, particularly for salamanders and in the Neotropics. Disease and habitat loss drove 91% of status deteriorations between 1980 and 2004. Ongoing and projected climate change effects are now of increasing concern, driving 39% of status deteriorations since 2004, followed by habitat loss (37%). Although signs of species recoveries incentivize immediate conservation action, scaled-up investment is urgently needed to reverse the current trends.
October 2023
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1,799 Reads
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24 Citations
Nature
Systematic assessments of species extinction risk at regular intervals are necessary for informing conservation action1,2. Ongoing developments in taxonomy, threatening processes and research further underscore the need for reassessment3,4. Here we report the findings of the second Global Amphibian Assessment, evaluating 8,011 species for the International Union for Conservation of Nature Red List of Threatened Species. We find that amphibians are the most threatened vertebrate class (40.7% of species are globally threatened). The updated Red List Index shows that the status of amphibians is deteriorating globally, particularly for salamanders and in the Neotropics. Disease and habitat loss drove 91% of status deteriorations between 1980 and 2004. Ongoing and projected climate change effects are now of increasing concern, driving 39% of status deteriorations since 2004, followed by habitat loss (37%). Although signs of species recoveries incentivize immediate conservation action, scaled-up investment is urgently needed to reverse the current trends.
... Approximately 50% of this reduction in suitability was congruent with the observations of studies that have highlighted the severe impact of climate change on current amphibian populations, which will experience a drastic decline (Falaschi et al. 2019;Gerick et al. 2014;Préau et al. 2019). In particular, climate change is likely to exacerbate the decline in the status of amphibians, especially for species currently in lower extinction risk categories (Luedtke et al. 2023). Although Bombina variegata is classified as "Least Concern" on the IUCN Red List, this species is "Vulnerable" in France and could be one of those species whose status will deteriorate in the near future. ...
December 2023
Nature
... https: //doi.org/10.22201/ib.20078706e.2024.95.5367 Introducción Los anfibios son el grupo de vertebrados más amenazados de nuestro planeta, varias son las causas responsables de la disminución de sus poblaciones (Grant et al., 2020;Green et al., 2020;Luedtke et al., 2023). Más de 45% de la diversidad de anfibios del mundo se distribuyen en el Neotrópico (Kacoliris et al., 2022). ...
October 2023
Nature
... Amphibians have permeable skin which can dry out easily, eggs with gelatinous shell, complex life cycles (for example, tadpoles require aquatic habitats and adults require terrestrial habitats) and are ectothermic, which makes them sensitive to changes in temperature and precipitation (Duellman & Trueb 1986). Growing research has examined global climate change's effects on amphibians since the increasing evidence of negative effects in such organisms (Li et al. 2013;Longhini et al. 2021;Luedtke et al. 2023). In ectothermic organisms such as amphibians, in addition to metabolic rates, temperature can affect sensory modalities critical for survival. ...
October 2023
Nature