Citation Context

...ncy of functional response parameters (Rall et al. 2012), these fundamental characteristics of the environment and the biotic interaction, respectively, which are inherently linked to metabolic rate (=-=Brown et al. 2004-=-), should be considered in future comparative studies. There is also a growing appreciation that static descriptions of functional response curves may be inappropriate given the observed shift from ty...

Citation Context

...14). While there is a large body of research on the importance of predator avoidance and other non-consumptive interactions for determining community structure and the prevalence of trophic cascades (=-=Werner & Peacor 2003-=-; Schmitz, Krivan & Ovadia 2004; Preisser, Bolnick & Benard 2005; O’Gorman, Enright & Emmerson 2008; Zhao et al. 2013), this mechanism has rarely been studied in relation to biological invasions. Peac...

Citation Context

...e also numerous alternative models to the simple Holling type-II functional response that incorporate predator interference and thus might be more appropriate in studies involving multiple predators (=-=Skalski & Gilliam 2001-=-). This would be especially feasible in studies exhibiting replacement of consumed prey, as performed by Barrios-O’Neill et al. (2014), but the approach has also recently been demonstrated in experime...

Citation Context

...ogical invasions. The last 10 years of ecological research have seen incremental integration of multispecies interaction studies with other previously disparate fields (Ives, Cardinale & Snyder 2005; =-=Johnson & Stinchcombe 2007-=-). It is increasingly recognized that studying responses of species in isolation or within single or two trophic level systems cannot adequately capture the complexity of the interactions found in nat...

Citation Context

...re/after and control/impact comparisons of real ecosystems, or experimental manipulation within outdoor mesocosms. Theoretical models based on foraging traits such as attack rates and handling times (=-=Petchey et al. 2008-=-) may provide a framework to predict anomalies in the structural properties of invaded ecosystems. Integrating these laboratory, field and modelling approaches will maximize our capacity to understand...

Citation Context

...ted by examining direct effects on individual species when interactions strongly influence how those drivers alter individual fitness, geographic ranges and the structure and dynamics of communities (=-=Gilman et al. 2010-=-). This is particularly relevant to invasive species research, where competition, parasitism and habitat alteration abound (Levin et al. 2002), yet impacts of invaders are typically limited to species...

Citation Context

...wing appreciation that static descriptions of functional response curves may be inappropriate given the observed shift from type-II to type-III response with increasing predator–prey body mass ratio (=-=Vucic-Pestic et al. 2010-=-). Generalized allometric functional response models have recently been proposed to take account of this body mass dependency (Kalinkat et al. 2013) and may improve the reliability of parameter estima...

Citation Context

...hic ranges and the structure and dynamics of communities (Gilman et al. 2010). This is particularly relevant to invasive species research, where competition, parasitism and habitat alteration abound (=-=Levin et al. 2002-=-), yet impacts of invaders are typically limited to species diversity and abundance metrics, rather than quantifying the altered interactions that underlie the observed changes. Only by investigating ...

Citation Context

...mail: e.ogorman@imperial.ac.uk © 2014 The Author. Journal of Animal Ecology © 2014 British Ecological Society Journal of Animal Ecology 2014, 83, 525–527 doi: 10.1111/1365-2656.12216 natural systems (=-=Kefi et al. 2012-=-). Indeed, the impacts of global change drivers cannot be predicted by examining direct effects on individual species when interactions strongly influence how those drivers alter individual fitness, g...

Citation Context

...014), both consumptive and non-consumptive effects of interacting species may be enumerated. By coupling these comparative functional response experiments with quantitative descriptions of food webs (=-=Ledger et al. 2013-=-), the direct and indirect pathways of energy flow through an ecosystem may be characterized. Comparisons in the presence and absence of introduced species (or other anthropogenic or environmental str...

Citation Context

...s. There is an emerging consensus for a higher functional response in invasive predators that out-compete their native counterparts in natural communities (Bollache et al. 2008; Haddaway et al. 2012; =-=Dick et al. 2013-=-). With further research into this promising avenue, there is potential to adopt the comparative functional response framework as a tool for identifying potentially damaging invaders and taking pre-em...

Citation Context

...tance to predatory cues. There is an emerging consensus for a higher functional response in invasive predators that out-compete their native counterparts in natural communities (Bollache et al. 2008; =-=Haddaway et al. 2012-=-; Dick et al. 2013). With further research into this promising avenue, there is potential to adopt the comparative functional response framework as a tool for identifying potentially damaging invaders...

Citation Context

...ing and enhanced resistance to predatory cues. There is an emerging consensus for a higher functional response in invasive predators that out-compete their native counterparts in natural communities (=-=Bollache et al. 2008-=-; Haddaway et al. 2012; Dick et al. 2013). With further research into this promising avenue, there is potential to adopt the comparative functional response framework as a tool for identifying potenti...

Citation Context

...e with increasing predator–prey body mass ratio (Vucic-Pestic et al. 2010). Generalized allometric functional response models have recently been proposed to take account of this body mass dependency (=-=Kalinkat et al. 2013-=-) and may improve the reliability of parameter estimates. There are also numerous alternative models to the simple Holling type-II functional response that incorporate predator interference and thus m...

Citation Context

...ns for determining community structure and the prevalence of trophic cascades (Werner & Peacor 2003; Schmitz, Krivan & Ovadia 2004; Preisser, Bolnick & Benard 2005; O’Gorman, Enright & Emmerson 2008; =-=Zhao et al. 2013-=-), this mechanism has rarely been studied in relation to biological invasions. Peacor & Werner (1997) demonstrated that predatory cues can facilitate lower trophic level invasions due to decreased res...

Citation Context

...hibiting replacement of consumed prey, as performed by Barrios-O’Neill et al. (2014), but the approach has also recently been demonstrated in experiments with prey depletion (Lang, Rall & Brose 2012; =-=Delong & Vasseur 2013-=-). Similarly, studies comprising multiple prey species should take account of the reduced amount of time available for encountering either of the prey (Sentis, Hemptinne & Brodeur 2013). Such consider...

Citation Context

... Matassa 2006). Some invasive amphipods that exhibit greater predator avoidance relative to native species enhance their survival chances when both are exposed to direct predation pressure from fish (=-=Pennuto & Keppler 2008-=-). Barrios-O’Neill et al. (2014) demonstrate an © 2014 The Author. Journal of Animal Ecology © 2014 British Ecological Society, Journal of Animal Ecology, 83, 525–527 526 E. J. O’Gorman interesting co...