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The quest for a mechanistic understanding of biodiversity–ecosystem services relationships

Duncan, Clare, Thompson, Julian R. and Pettorelli, Nathalie 2015, The quest for a mechanistic understanding of biodiversity–ecosystem services relationships, Proceedings of the Royal Society B: biological sciences, vol. 282, no. 1817, pp. 1-10, doi: 10.1098/rspb.2015.1348.

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Title The quest for a mechanistic understanding of biodiversity–ecosystem services relationships
Author(s) Duncan, Clare
Thompson, Julian R.
Pettorelli, Nathalie
Journal name Proceedings of the Royal Society B: biological sciences
Volume number 282
Issue number 1817
Article ID 20151348
Start page 1
End page 10
Total pages 10
Publisher Royal Society Publishing
Place of publication London, Eng.
Publication date 2015-10-14
ISSN 0962-8452
1471-2954
Keyword(s) biodiversity
ecosystem services
ecosystem function
mechanisms
proxies
biodiversity – ecosystem services relationships
Summary Home ranges capture a fundamental aspect of animal ecology, resulting frominteractions between metabolic demands and resource availability. Yet, theunderstanding of their emergence is currently limited by lack of considerationof the covariation between intrinsic and extrinsic drivers. We analysedintraspecific home-range size (HRS) variation with respect to life histories andremotely sensed proxies of resource dynamics for 21 Carnivora species. Ourbest model explained over half of the observed variability in intraspecific HRSacross populations of multiple species. At the species level, median HRS wassmaller for omnivorous species and increased with increasing body mass (modelR2 = 0.66). Here, HRS scaled with body mass at 0.80, a value much closer tothe expected allometric scaling of 0.75 than previously reported. At theintraspecific level, while much variation was driven by intrinsic factors (bodymass, diet, social organization and sex; R2 = 0.39), inclusion of spatiotemporalvariation in extrinsic factors (average resource availability and seasonality)enabled explanation of a further 13% of observed variability in HRS. We foundno evidence for interactions between intrinsic and extrinsic HRS drivers, suggestinga generally ubiquitous influence of resource availability on space-use.Our findings illustrate how spatial and temporal information on resourcedynamics as derived by satellite data can significantly improve our understandingof HRS variation at the interspecific and intraspecific levels, and urge cautionin interpreting HRS allometry in the face of large intraspecific variation.Moreover, our results highlight the importance of considering life-history constraintsin modelling intraspecific space-use and HRS.
Language eng
DOI 10.1098/rspb.2015.1348
Field of Research 060202 Community Ecology (excl Invasive Species Ecology)
060299 Ecology not elsewhere classified
06 Biological Sciences
11 Medical And Health Sciences
07 Agricultural And Veterinary Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, The Authors
Persistent URL http://hdl.handle.net/10536/DRO/DU:30102933

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