Document Detail

Does consumption rate scale superlinearly?
MedLine Citation:
PMID:  23364748     Owner:  NLM     Status:  In-Process    
Arising from S. Pawar, A. I. Dell & V. M. Savage 486, 485-489 10.1038/nature11131(2012)A recent paper by Pawar and colleagues has provided important insights into the consequences of foraging behaviour for food-web dynamics. One notable pattern predicted by their analysis is that consumption rate (c) scales superlinearly (cm(1.16)) with consumer body mass (m) in three-dimensional (3D), but not two-dimensional (2D), foraging spaces. Although we feel that the authors should be applauded for this interesting contribution, we argue that their result is not consistent with established life-history theory. To resolve this contradiction, progress in both fields is probably required, including new empirical studies in which consumption rate, metabolism and dimensionality are examined directly under natural conditions.
Henrique C Giacomini; Brian J Shuter; Derrick T de Kerckhove; Peter A Abrams
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Publication Detail:
Type:  Comment; Journal Article    
Journal Detail:
Title:  Nature     Volume:  493     ISSN:  1476-4687     ISO Abbreviation:  Nature     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-01-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0410462     Medline TA:  Nature     Country:  England    
Other Details:
Languages:  eng     Pagination:  E1-2; discussion E2-3     Citation Subset:  IM    
Department of Ecology and Evolutionary Biology, University of Toronto, 25 Harbord St., Toronto, Ontario M5S 3G5, Canada.
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Comment On:
Nature. 2012 Jun 28;486(7404):485-9   [PMID:  22722834 ]

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