Freshwater Resources and Ecosystems
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Global Distribution of Freshwater Dependent Amphibians

Global Distribution of Freshwater Dependent Amphibians

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Global distribution of freshwater dependent amphibian species mapped to individual HydroBASINS.


The IUCN Red List of Threatened Species The IUCN Red List of Threatened Species

Amphibian Survival Alliance

endorsed by the
Amphibian Survival Alliance

IUCN 2013. The IUCN Red List of Threatened Species. Version 2012.1. Downloaded on July 3rd, 2013.

Map derived from individual species range maps provided by IUCN and available for download here:

with support provided by: Global Amphibian Assessment (GAA)


IUCN Global Species Programme, Freshwater Biodiversity Unit


For species information: Ariadne Angulo 
For species distribution map migrations: Savrina Carrizo

Related Publications

  • Stuart, S.N., Chanson, J.S., Cox, N.A., Young, B.E., Rodrigues, A.S.L., Fischman, D.L. & Waller, R.W. (2004). Status and trends of amphibian declines and extinctions worldwide. Science 306: 1783–1786.
  • Stuart, S.N., Hoffmann, M., Chanson, J.S., Cox, N.A., Berridge, R.J., Ramani, P. & Young, B.E. (2008). Threatened Amphibians of the World. Lynx Edicions, Barcelona, Spain; IUCN, Gland, Switzerland; and Conservation International, Arlington, Virginia, USA.

base layer references

  • Lehner, B. (2012). HydroBASINS v1b technical documentation. 
    Based on 
    Layers and documentation available on request from 


IUCN Red List of Threatened Species Spatial Data

The original species ranges, prior to their re-mapping to HydroBASINS,  are available for download as a single data set (shapefile) or broken out into smaller shapefiles by amphibian order here:

Please note that these data are subject to terms and conditions of use that do restrict commercial use, reposting and redistribution. The full terms and conditions of use are here.



The Global Amphibian Assessment was funded by the Moore Family Foundation, the Gordon and Betty Moore Foundation, Conservation International, the MAVA Foundation, the U.S. Department of State, the Regina Bauer Frankenberg Foundation for Animal Welfare, NSF (grants DEB-0130273 and INT- 0322375), the Critical Ecosystem Partnership Fund, George Meyer, Ben Hammett, and the Disney Foundation. More than 500 herpetologists generously gave of their time and knowledge to compile the data. R. Akcakaya, T. Brooks, D. Church, M. Denil, D. Frost, C. Gascon, G. da Fonseca, M. Foster, C. Hilton-Taylor, M. Hoffmann, T. Lacher, P. Langhammer, G. Mace, L. Manler, L. Master, A. Mitchell, R. Mittermeier, D. Wake, and F. Xie provided extensive help and advice on the implementation of the global assessment, including the species distribution mapping. The majority of the distribution maps used for U.S. species were adapted from the United States Amphibian Atlas Database, which was assembled at Ball State University by P. Nanjappa, L. Blackburn, and M. Lannoo, and which was supported in part by grants and/or matching funds from the National Fish and Wildlife Foundation, United States Fish and Wildlife Service, and Disney Wildlife Conservation Fund.

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