Brad Shaffer

H. Bradley Shaffer

Director, UCLA La Kretz Center for California Conservation Science

Distinguished Professor, Department of Ecology and Evolutionary Biology; Institute of the Environment and Sustainability

Personal Website

Education

1982 – PhD – University of Chicago – Evolutionary Biology
1976 – BS – University of California, Berkeley – Zoology

Research Interests

Evolutionary biology, ecology and conservation biology of amphibians and reptiles. Recent research projects include comparative phylogeography of amphibians and reptiles in California and the central U.S., systematics of freshwater turtles and tortoises in Australia, California, and the rest of the globe, and conservation genetics of endangered California amphibians and reptiles. Recently, we have focused a great deal of ecological and genetical work on the California tiger salamander, an endangered species native to central California grassland habitat.

Projects

The Endangered Species Act at 50

At the 13th annual Public Lecture hosted by the La Kretz Center, Drs. Cat Darst, Scott Morrison, and Brad Shaffer marked the 50th anniversary of the 1973 Endangered Species Act…

ucla la kretz 2021 annual lecture

UCLA La Kretz 2021 Annual Lecture

This event celebrates ten years of conservation research, featuring 3 minute lightening talks by each of our 13 past, current, and future La Kretz postdoctoral fellows. The presentations are followed…

western pond turtle at-risk species assessment

Western Pond Turtle at-risk species assessment

The western pond turtle is California’s only native freshwater turtle. The turtle’s numbers have been declining due to urbanization, limited water availability, and competition or predation from invasive species —…

science to safeguard species

Science to safeguard species

UC Natural Reserve System research has laid the foundation for conserving species across the state. A prime example: UCLA professor Brad Shaffer’s work on California tiger salamanders was instrumental in…

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Recent Publications

Multilocus phylogeny of the New-World mud turtles (Kinosternidae) supports the traditional classification of the group

P. Q. Spinks, R. C. Thomson, M. Gidis, and H. B. Shaffer

Molecular Phylogenetics and Evolution 76:254-260, 2014.

Published Work, Permalink

Field validation supports novel niche modeling strategies in a cryptic endangered amphibian

C. A. Searcy and H. B. Shaffer

Ecography 37:983-992, 2014.

Published Work, Permalink

The advantages of going large: genome-wide SNPs clarify the complex population history and systematics of the threatened western pond turtle

P.Q. Spinks, R. C. Thomson, and H. B. Shaffer

Molecular Ecology 23:2228-2241, 2014.

Published Work, Permalink

Incorporating model complexity and spatial sampling bias into ecological niche models of climate change risks faced by 90 California vertebrate species of concern

D. L. Warren, A. N. Wright, S. N. Seifert, and H. B. Shaffer

Diversity and Distributions 20:334-343, 2014.

Published Work, Permalink

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Delayed life history effects, multilevel selection, and evolutionary trade-offs in the California tiger salamander

C. A. Searcy, L. N. Gray, P. C. Trenham and H. B. Shaffer

Ecology 95:68-77, 2014.

Published Work, Permalink

Genomics in ecology, evolution and systematics

H. B. Shaffer and M. D. Purugganan

Annual Review of Ecology, Evolution and Systematics 44:1-4, 2013.

Published Work, Permalink

Effects of tail-clipping on survivorship and growth of larval salamanders

R.L. Polich, C. A. Searcy and H. B. Shaffer

J. Wildlife Management 77:1420-1425, 2013.

Published Work, Permalink

Misleading phylogenetic inferences based on single-exemplar sampling in the turtle genus Pseudemys

P. Q. Spinks, R, C. Thomson, G. B. Pauly, C. E. Newman, G. Mount and H. B. Shaffer

Molecular Phylogenetics and Evolution 68:269-281, 2013.

Published Work, Permalink

The western painted turtle genome, a model for the evolution of extreme physiological adaptations in a slowly evolving lineage

H. B. Shaffer (and 58 coauthors)

Genome Biology 2013, 14:R28, 2013.

Published Work, Permalink

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Short hydroperiod decreases fitness of nonnative salamanders in California

J. R. Johnson, M. E. Ryan, S. J. Micheletti, and H. B. Shaffer

Animal Conservation 16:556-565, 2013.

Published Work, Permalink