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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Climatic drivers of hemispheric asymmetry in global patterns of ant species richness
Ecology Letters, Volume 12, No. 4, Year 2009
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Description
Although many taxa show a latitudinal gradient in richness, the relationship between latitude and species richness is often asymmetrical between the northern and southern hemispheres. Here we examine the latitudinal pattern of species richness across 1003 local ant assemblages. We find latitudinal asymmetry, with southern hemisphere sites being more diverse than northern hemisphere sites. Most of this asymmetry could be explained statistically by differences in contemporary climate. Local ant species richness was positively associated with temperature, but negatively (although weakly) associated with temperature range and precipitation. After contemporary climate was accounted for, a modest difference in diversity between hemispheres persisted, suggesting that factors other than contemporary climate contributed to the hemispherical asymmetry. The most parsimonious explanation for this remaining asymmetry is that greater climate change since the Eocene in the northern than in the southern hemisphere has led to more extinctions in the northern hemisphere with consequent effects on local ant species richness. © 2009 Blackwell Publishing Ltd/CNRS.
Authors & Co-Authors
Dunn, Robert R.
United States, Raleigh
Nc State University
Agosti, Donat
Unknown Affiliation
Andersen, Alan N.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Arnan, Xavier
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Spain, Cerdanyola Del Valles
Centre de Recerca Ecològica I Aplicacions Forestals Creaf-cerca
Brühl, Carsten Albrecht
Germany, Koblenz am Rhein
Universität Koblenz-landau
Cerdâ, Xím
Spain, Madrid
Consejo Superior de Investigaciones Científicas
Ellison, Aaron M.
United States, Cambridge
Harvard University
Fisher, Brian L.
United States, San Francisco
California Academy of Sciences
Fitzpatrick, Matthew C.
United States, Cambridge
Harvard University
Gibb, Heloise
Australia, Melbourne
La Trobe University
Gotelli, Nicholas J.
United States, Burlington
The University of Vermont
Gove, Aaron David
United States, Raleigh
Nc State University
Australia, Perth
Curtin University
Guénard, Benoit S.
United States, Raleigh
Nc State University
Janda, Milan
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Lessard, Jean Philippe
United States, Knoxville
The University of Tennessee, Knoxville
Longino, John T.
United States, Olympia
Evergreen State College
Majer, Jonathan David
Australia, Perth
Curtin University
Menke, Sean B.
United States, Raleigh
Nc State University
McGlynn, Terrence P.
United States, Carson
California State University, Dominguez Hills
Parr, Catherine L.
United Kingdom, Oxford
University of Oxford
Philpott, Stacy M.
United States, Toledo
The University of Toledo
Pfeiffer, Martin
Germany, Ulm
Universität Ulm
Retana, Javier Retana
Spain, Cerdanyola Del Valles
Centre de Recerca Ecològica I Aplicacions Forestals Creaf-cerca
Suarez, Andrew V.
United States, Urbana
University of Illinois Urbana-champaign
Vasconcelos, Heraldo L.
Brazil, Uberlandia
Universidade Federal de Uberlândia
Weiser, Michael D.
United States, Raleigh
Nc State University
Sanders, Nathan J.
United States, Knoxville
The University of Tennessee, Knoxville
Statistics
Citations: 273
Authors: 27
Affiliations: 20
Identifiers
Doi:
10.1111/j.1461-0248.2009.01291.x
ISSN:
14610248
Research Areas
Environmental