Global macroecology of bird assemblages in urbanized and semi-natural ecosystems

Pautasso, Marco, Böhning-Gaese, Katrin, Clergeau, Philippe, Cueto, Victor R., Dinetti, Marco, Fernández-Juricic, Esteban, Kaisanlahti-Jokimäki, Marja-Liisa, Jokimäki, Jukka, McKinney, Michael L., Sodhi, Navjot S., Storch, David, Tomialojc, Ludwik, Weisberg, Peter J., Woinarski, John, Fuller, Richard A. and Cantarello, Elena (2011) Global macroecology of bird assemblages in urbanized and semi-natural ecosystems. Global Ecology And Biogeography, 20 3: 426-436. doi:10.1111/j.1466-8238.2010.00616.x


Author Pautasso, Marco
Böhning-Gaese, Katrin
Clergeau, Philippe
Cueto, Victor R.
Dinetti, Marco
Fernández-Juricic, Esteban
Kaisanlahti-Jokimäki, Marja-Liisa
Jokimäki, Jukka
McKinney, Michael L.
Sodhi, Navjot S.
Storch, David
Tomialojc, Ludwik
Weisberg, Peter J.
Woinarski, John
Fuller, Richard A.
Cantarello, Elena
Title Global macroecology of bird assemblages in urbanized and semi-natural ecosystems
Journal name Global Ecology And Biogeography   Check publisher's open access policy
ISSN 1466-822X
1466-8238
Publication date 2011-05
Year available 2010
Sub-type Article (original research)
DOI 10.1111/j.1466-8238.2010.00616.x
Volume 20
Issue 3
Start page 426
End page 436
Total pages 11
Place of publication Oxford, U.K.
Publisher Wiley-Blackwell Publishing
Collection year 2012
Language eng
Formatted abstract
Aim  Despite the increasing pace of urbanization, little is known about how this process affects biodiversity globally. We investigate macroecological patterns of bird assemblages in urbanized areas relative to semi-natural ecosystems.

Location  World-wide.

Methods  We use a database of quantitative bird surveys to compare key assemblage structure parameters for plots in urbanized and semi-natural ecosystems controlling for spatial autocorrelation and survey methodology. We use the term ‘urbanized’ instead of ‘urban’ ecosystems as many of the plots were not located in the centre of towns but in remnant habitat patches within conurbations.

Results  Some macroecological relationships were conserved in urbanized landscapes. Species–area, species–abundance and species–biomass relationships did not differ significantly between urbanized and non-urbanized environments. However, there were differences in the relationships between productivity and assemblage structure. In forests, species richness increased with productivity; in both forests and open habitats, the evenness of species abundances declined as productivity increased. Among urbanized plots, instead, both species richness and the evenness of species abundances were independent of variation in productivity.

Main conclusions  Remnant habitats within urbanized areas are subject to many ecological alterations, yet key macroecological patterns differ remarkably little in urbanized versus non-urbanized plots. Our results support the need for increased conservation activities in urbanized landscapes, particularly given the additional benefits of local experiences of biodiversity for the human population. With increasing urbanization world-wide, broad-scale efforts are needed to understand and manage the effects of this driver of change on biodiversity.
Keyword Birds
Conservation biogeography
Environmental impacts
Habitat heterogeneity
More-individuals hypothesis
Rarity
Scale
Species-energy relationship
Species-people coexistence
Urban ecology
Plant-species richness
Human-population
Avian assemblages
Individuals hypothesis
Community composition
Rural gradients
Northern Europe
Tropical city
Land-use
Biodiversity
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Article first published online: 18 NOV 2010.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Biological Sciences Publications
 
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Created: Fri, 02 Sep 2011, 17:10:39 EST by Gail Walter on behalf of School of Biological Sciences