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- Publications
- Influence
Defaunation in the Anthropocene
- R. Dirzo, H. Young, M. Galetti, G. Ceballos, N. Isaac, B. Collen
- Biology, Medicine
- Science
- 25 July 2014
We live amid a global wave of anthropogenically driven biodiversity loss: species and population extirpations and, critically, declines in local species abundance. Particularly, human impacts on… Expand
Accelerated modern human–induced species losses: Entering the sixth mass extinction
- G. Ceballos, P. Ehrlich, Anthony D. Barnosky, A. García, Robert M. Pringle, T. M. Palmer
- Biology, Medicine
- Science Advances
- 1 June 2015
Humans are causing a massive animal extinction without precedent in 65 million years. The oft-repeated claim that Earth’s biota is entering a sixth “mass extinction” depends on clearly demonstrating… Expand
Multiple ecological pathways to extinction in mammals
- A. Davidson, M. Hamilton, Alison G. Boyer, J. H. Brown, G. Ceballos
- Biology, Medicine
- Proceedings of the National Academy of Sciences
- 30 June 2009
As human population and resource demands continue to grow, biodiversity conservation has never been more critical. About one-quarter of all mammals are in danger of extinction, and more than half of… Expand
Global mammal distributions, biodiversity hotspots, and conservation
- G. Ceballos, P. Ehrlich
- Biology, Medicine
- Proceedings of the National Academy of Sciences
- 19 December 2006
Hotspots, which have played a central role in the selection of sites for reserves, require careful rethinking. We carried out a global examination of distributions of all nonmarine mammals to… Expand
Biological annihilation via the ongoing sixth mass extinction signaled by vertebrate population losses and declines
- G. Ceballos, P. Ehrlich, R. Dirzo
- Biology, Medicine
- Proceedings of the National Academy of Sciences
- 10 July 2017
Significance The strong focus on species extinctions, a critical aspect of the contemporary pulse of biological extinction, leads to a common misimpression that Earth’s biota is not immediately… Expand
Mammal Population Losses and the Extinction Crisis
- G. Ceballos, P. Ehrlich
- Geography, Medicine
- Science
- 3 May 2002
The disappearance of populations is a prelude to species extinction. No geographically explicit estimates have been made of current population losses of major indicator taxa. Here we compare historic… Expand
The Prairie Dog and Biotic Diversity
- B. Miller, G. Ceballos, R. Reading
- Geography
- 1 September 1994
Since the turn of this century, prairie dog populations have declined as much as 98% throughout North America, largely as a result of prairie dog eradication programs. The prairie dog is a keystone… Expand
One hundred questions of importance to the conservation of global biological diversity.
- W. Sutherland, W. M. Adams, +41 authors A. Watkinson
- Environmental Science, Medicine
- Conservation biology : the journal of the Society…
- 1 June 2009
We identified 100 scientific questions that, if answered, would have the greatest impact on conservation practice and policy. Representatives from 21 international organizations, regional sections… Expand
Countryside Biogeography of Neotropical Mammals: Conservation Opportunities in Agricultural Landscapes of Costa Rica
- G. Daily, G. Ceballos, J. Pacheco, G. Suzán, A. Sanchez-Azofeifa
- Geography
- 1 December 2003
The future of mammalian diversity in the tropics depends largely on the conservation value of human-dominated lands. We investigated the distribution of non-flying mammals in five habitats of… Expand
Global associations between terrestrial producer and vertebrate consumer diversity
- W. Jetz, H. Kreft, G. Ceballos, J. Mutke
- Biology, Medicine
- Proceedings of the Royal Society B: Biological…
- 22 January 2009
In both ecology and conservation, often a strong positive association is assumed between the diversity of plants as primary producers and that of animals, specifically primary consumers. Such a… Expand