Natural enemy functional identity, trait-mediated interactions and biological control

Northfield, Tobin D., Crowder, David W., Jabbour, Randa, and Snyder, William E. (2012) Natural enemy functional identity, trait-mediated interactions and biological control. In: Ohgushi, Takayuki, Schmitz, Oswald, and Holt, Robert D., (eds.) Trait-Mediated Indirect Interactions: ecological and evolutionary perspectives. Ecological reviews . Cambridge University Press, Cambridge, UK, pp. 450-465.

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Recent yearshave seen great interest in the importance of species richness for the functioning and stability of ecological communities (Ives and Carpenter 2007). Empirical examinations of richness effects typically vary the number of species in experimental treatments and measure resulting ecosystem functions such as biomass accumulation or resource uptake (Naeem et al. 2009). Across trophic levels and communities of many types, a clear pattern has emerged from these experiments: community processes (biomass accumulation, resource uptake, etc.) generally become more efficient when more species are present (Hooper et al. 2005; Cardinale et al. 2006). This pattern is generally attributed to resource partitioning among species, where species differ in ecologically significant ways such that they complement one another (Hooper et al. 2005). For example, in English meadow communities multiple plant species coexist, because different plant species exploit different hydrological conditions (Silvertown et al. 1999). The plants that dominate drought-prone areas are different from those that thrive in flood-prone areas and, presumably, total plant biomass is greatest when both plant groups (drought tolerant and flood tolerant) are present.

Item ID: 28447
Item Type: Book Chapter (Research - B1)
ISBN: 978-0-521-17313-1
Date Deposited: 15 Aug 2013 02:49
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060202 Community Ecology (excl Invasive Species Ecology) @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 50%
96 ENVIRONMENT > 9604 Control of Pests, Diseases and Exotic Species > 960403 Control of Animal Pests, Diseases and Exotic Species in Farmland, Arable Cropland and Permanent Cropland @ 50%
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