2020
DOI: 10.1002/1438-390x.12072
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Dispersal by gray ratsnakes: Effects of sex, age and time

Abstract: Dispersal is one of the most fundamental components of ecology. Dispersal is also particularly relevant in an era of unprecedented habitat loss and climate change. We used a unique dataset to examine dispersal in gray ratsnakes (Pantherophis spiloides). Over a decade, we marked and released >1,500 hatchlings while monitoring the population of ratsnakes over a large area (≈1,900 ha). We tested the hypotheses that dispersal should be (a) largely restricted to within the local population given previous genetic ev… Show more

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Cited by 3 publications
(2 citation statements)
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“…Instead, partitioning may be the result of gartersnake females choosing particular ideal birthing locations ( Graves and Duvall 1995 ) possibly due to differences in soil moisture ( Shonfield et al 2019 ). Preferred birthing locations in combination with delayed or relatively short-distance neonate dispersal (e.g., Broad-headed Snakes; Hoplocephalus bungaroides ; Webb and Shine 1997 ; Grey Ratsnakes; Patherophis spiloides ; Blouin-Demers and Weatherhead 2021 ) could result in age homophily due to site occupancy patterns.…”
Section: Discussionmentioning
confidence: 99%
“…Instead, partitioning may be the result of gartersnake females choosing particular ideal birthing locations ( Graves and Duvall 1995 ) possibly due to differences in soil moisture ( Shonfield et al 2019 ). Preferred birthing locations in combination with delayed or relatively short-distance neonate dispersal (e.g., Broad-headed Snakes; Hoplocephalus bungaroides ; Webb and Shine 1997 ; Grey Ratsnakes; Patherophis spiloides ; Blouin-Demers and Weatherhead 2021 ) could result in age homophily due to site occupancy patterns.…”
Section: Discussionmentioning
confidence: 99%
“…We used ANOVA to first test whether movement distance was correlated with lag time (i.e., the time elapsed between encounters, in days). As there was a significant correlation ( F 1, 6252 = 211.1, p < .001), subsequent analyses were carried out on the subset of movement distances that occurred during 24 h (i.e., encountered on consecutive nights) to remove any biases resulting from variation in lag time between successive encounters (Blouin‐Demers & Weatherhead, 2021 ; Gamble et al, 2007 ).…”
Section: Methodsmentioning
confidence: 99%