2015
DOI: 10.1002/ece3.1508
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Dispersal depends on body condition and predation risk in the semi‐aquatic insect,Notonecta undulata

Abstract: Dispersal is the movement of organisms across space, which has important implications for ecological and evolutionary processes, including community composition and gene flow. Previous studies have demonstrated that dispersal is influenced by body condition; however, few studies have been able to separate the effects of body condition from correlated variables such as body size. Moreover, the results of these studies have been inconsistent with respect to the direction of the relationship between condition and… Show more

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Cited by 30 publications
(23 citation statements)
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“…Matthysen, 2005;Kim et al, 2009;De Meester & Bonte, 2010;Fellous et al, 2012;Kuefler et al, 2013;Baines et al, 2014;Fronhofer et al, 2015b) and interspecific interactions (e.g. Weisser et al, 1999;Hakkarainen et al, 2001;Hauzy et al, 2007;McCauley & Rowe, 2010;Cote et al, 2013;Otsuki & Yano, 2014;Baines et al, 2014Baines et al, , 2015Fronhofer et al, 2015a;Tanaka et al, 2016). Theoretical work has investigated causes and consequences of context-dependent dispersal for intraspecific competition (Travis et al, 1999;Metz & Gyllenberg, 2001;Poethke & Hovestadt, 2002), predator-prey interactions (Poethke et al, 2010;Amarasekare, 2007) and species coexistence (Amarasekare, 2010), to name but a few examples.…”
Section: Introductionmentioning
confidence: 99%
“…Matthysen, 2005;Kim et al, 2009;De Meester & Bonte, 2010;Fellous et al, 2012;Kuefler et al, 2013;Baines et al, 2014;Fronhofer et al, 2015b) and interspecific interactions (e.g. Weisser et al, 1999;Hakkarainen et al, 2001;Hauzy et al, 2007;McCauley & Rowe, 2010;Cote et al, 2013;Otsuki & Yano, 2014;Baines et al, 2014Baines et al, , 2015Fronhofer et al, 2015a;Tanaka et al, 2016). Theoretical work has investigated causes and consequences of context-dependent dispersal for intraspecific competition (Travis et al, 1999;Metz & Gyllenberg, 2001;Poethke & Hovestadt, 2002), predator-prey interactions (Poethke et al, 2010;Amarasekare, 2007) and species coexistence (Amarasekare, 2010), to name but a few examples.…”
Section: Introductionmentioning
confidence: 99%
“…Our results therefore suggest that sex ratio is not an important factor influencing dispersal in this species. We previously hypothesized that although this species is sexually dimorphic with respect to size and coloration (Appendix B; Baines et al, ; C. Baines unpublished data), these differences are small and may not be apparent to notonectids themselves (Baines et al, ). Notonectids may therefore not be able to assess the sex ratio of the populations they inhabit.…”
Section: Discussionmentioning
confidence: 96%
“…The studied populations of N. undulata are 100% macropterous (C. Baines, unpublished data), but dispersal behaviour is plastic; some individuals breed in their natal ponds, while others disperse to new ponds. Dispersal behaviour in this species has been shown to be dependent on phenotype (body mass, body condition, and sex; Baines, McCauley, & Rowe, ; Baines et al, , Baines & McCauley, ) and environmental cues (density and predation risk; Baines et al, ; Baines et al, ). Dispersal in this species is one‐way movement; once notonectids disperse by flight away from their natal ponds, they do not return (C. Baines, personal observation).…”
Section: Methodsmentioning
confidence: 99%
“…We measured the area of each wing using ImageJ. We then measured dry body mass, dry lipid mass, and dry protein mass using the same methods as Baines et al (2015). In brief, we dehydrated the notonectids to a constant mass in a drying oven and weighed them to the nearest 0.01 mg using a Mettler AE240 scale (Mettler Toledo, Columbus, Ohio, USA).…”
Section: Measurement Of Dispersal Capacitymentioning
confidence: 99%
“…In taxa in which structural body size and morphology (e.g., wing presence or size) is fixed at adulthood, conditions experienced after maturity cannot influence dispersal through effects on morphology. Habitat quality experienced during adulthood likely influences more labile aspects of dispersal capacity (e.g., lipid reserves; Baines et al 2015), but its impacts on dispersal motivation are probably more important than effects on capacity at this life stage. Finally, changes in habitat quality through time or across life stages may influence dispersal propensity.…”
Section: Introductionmentioning
confidence: 99%