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Bradford A. Hawkins
Researcher at University of California, Irvine
Publications - 168
Citations - 21306
Bradford A. Hawkins is an academic researcher from University of California, Irvine. The author has contributed to research in topics: Species richness & Species diversity. The author has an hindex of 73, co-authored 168 publications receiving 19828 citations. Previous affiliations of Bradford A. Hawkins include Imperial College London & University of York.
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Journal ArticleDOI
Energy, water, and broad-scale geographic patterns of species richness
Bradford A. Hawkins,Richard Field,Howard V. Cornell,David J. Currie,Jean-François Guégan,Dawn M. Kaufman,Jeremy T. Kerr,Gary G. Mittelbach,Thierry Oberdorff,Eileen M. O'Brien,Eric E. Porter,John Turner +11 more
TL;DR: In this paper, the authors examine the relationship between climate and biodiversity and conclude that the interaction between water and energy, either directly or indirectly, provides a strong explanation for globally extensive plant and animal diversity gradients, but for animals there also is a latitudinal shift in the relative importance of ambient energy vs. water moving from the poles to the equator.
Journal ArticleDOI
Niche conservatism as an emerging principle in ecology and conservation biology.
John J. Wiens,David D. Ackerly,Andrew P. Allen,Brian L. Anacker,Lauren B. Buckley,Howard V. Cornell,Ellen I. Damschen,T. Jonathan Davies,T. Jonathan Davies,John-Arvid Grytnes,Susan Harrison,Bradford A. Hawkins,Robert D. Holt,Christy M. McCain,Patrick R. Stephens +14 more
TL;DR: The mounting evidence for the importance of niche conservatism to major topics in ecology and conservation and other areas where it may be important but has generally been overlooked is described.
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Spatial autocorrelation and red herrings in geographical ecology
TL;DR: In this article, the authors analyzed the species richness of the birds of western/central Europe, north Africa and the Middle East using Moran's I coefficients and multiple regression, using both ordinary least-squares (OLS) and generalized least squares (GLS) assuming a spatial structure in the residuals, to identify the strongest predictors of richness.
Journal ArticleDOI
Predictions and tests of climate‐based hypotheses of broad‐scale variation in taxonomic richness
David J. Currie,Gary G. Mittelbach,Howard V. Cornell,Richard Field,Jean-François Guégan,Bradford A. Hawkins,Dawn M. Kaufman,Jeremy T. Kerr,Thierry Oberdorff,Eileen M. O'Brien,John Turner +10 more
TL;DR: This work rejects the energy–richness hypothesis in its standard form and considers some proposed modifications, and deriving and testing predictions based on their hypothesized mechanisms.
PERSPECTIVES Predictions and tests of climate-based hypotheses of broad-scale variation in taxonomic richness
David J. Currie,Gary G. Mittelbach,Howard V. Cornell,Richard Field,Bradford A. Hawkins,Dawn M. Kaufman,Jeremy T. Kerr,Thierry,John Turner +8 more
TL;DR: The authors examined several prominent hypotheses for climate-richness relationships, deriving and testing predictions based on their hypothesized mechanisms, including the more individuals hypothesis, the physiological tolerance hypothesis, and the speciation rate hypothesis.