Abstract
Biodiversity loss is extreme in amphibians. Despite ongoing conservation action, it is difficult to determine where we stand in overcoming their extinction crisis. Among the most threatened amphibians are the 131 Neotropical harlequin toads. Many of them declined since the 1980s with several considered possibly extinct. Recently, more than 30 species have been rediscovered, raising hope for a reversing trend in the amphibian extinction crisis. We use past and present data available for harlequin toads (Atelopus), to examine whether the amphibian extinction crisis is still in an emergency state. Since 2004 no species has improved its population status, suggesting that recovery efforts have not been successful. Threats include habitat change, pathogen spread and climate change. More mitigation strategies need implementation, especially habitat protection and disease management, combined with captive conservation breeding. With harlequin toads serving as a model, it is clear that the amphibian extinction crisis is still underway.
| Original language | English |
|---|---|
| Article number | 412 |
| Journal | Communications Earth and Environment |
| Volume | 4 |
| Issue number | 1 |
| DOIs | |
| State | Published - Dec 2023 |
Bibliographical note
Publisher Copyright:© 2023, The Author(s).
Funding
For help with gathering data on harlequin toads we are grateful to the following colleagues Marvin Anganoy-Criollo, Ariadne Angulo, Jimy Barrantes-Madrigal, Leonardo Batallas, Merilyn A. Caballero Arias, Euclides Campos, Mauricio Carpio, Daniel Chávez, Patricio Dominguez, Rogemif D. Fuentes M., Gustavo Gonzalez Duran, Gustavo Gutiérrez, Paul Houser, Astrid Lizondro, Felipe Lievano, Albertina P. Lima, Madian Miranda, Daniel Orizano, Luis Oyagata, Daniel Padilla Jiménez, Luis Pino, Sergio Quiroz, Héctor E. Ramírez-Chaves, Ángel Sosa-Bartuano, Samuel Valdes, and Andrés Viuche Lozano. Christopher Heine kindly provided a photograph used in Fig. 1. We also thank the entire Atelopus Survival Initiative for support and Luis F. Marin da Fonte, Jamie Voyles, and Corinne L. Richards-Zawacki for valuable comments on the manuscript.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 13 Climate Action
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SDG 15 Life on Land
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