Consumer resource matching in urbanizing landscapes: are synanthropic species over-matching?

Ecology
Amanda D Rodewald, Daniel P Shustack

Abstract

Population responses of synanthropic species to urbanization may be explained by the resource-matching rule, which postulates that individuals should distribute themselves according to resource availability. According to the resource-matching rule, urban habitats will contain greater densities if they provide better resources than rural habitats. However, because resource availability is density dependent, individuals in urban areas would ultimately achieve fitness levels comparable to, but no better than, individuals in less urban areas. Some ecologists suggest that synanthropic birds may not conform to the resource-matching rule and may instead overmatch (i.e., overexploit) in urban habitats, ultimately leading to lower fitness despite greater resource levels. Using the Northern Cardinal (Cardinalis cardinalis) as a focal species, we evaluated if Cardinal populations in urban and rural habitats were consistent with predictions of consumer resource matching. During 2003-2006 we documented population density, adult body condition, apparent survival, and annual reproductive productivity of Cardinals in riparian forest stands within urban (n = 8 stands) and rural (n = 6 stands) landscapes in Ohio, USA. Density of Cardinals in urb...Continue Reading

References

Apr 29, 1993·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·M S Witter, I C Cuthill
May 17, 2006·Trends in Ecology & Evolution·Eyal ShochatDiane Hope
Dec 1, 1988·Trends in Ecology & Evolution·M Milinski

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Citations

Mar 13, 2014·PloS One·Sol Rodriguez-MartínezJosé L Tella
Oct 23, 2010·Journal of Environmental Management·S T A PickettPaige Warren
Apr 20, 2014·The Science of the Total Environment·Linnea M RowseS Mažeika P Sullivan
Sep 18, 2018·Journal of Wildlife Diseases·Indrani SasmalChristopher S DePerno
Jul 10, 2017·Oecologia·Elena H West, M Zachariah Peery
Jun 6, 2018·PeerJ·Jessica N Alvarez Guevara, Becky A Ball
Jun 8, 2018·Ecology and Evolution·Colleen R MillerBenjamin Zuckerberg

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