Record long-distance movement of a Deer Mouse, &lt;em&gt;Peromyscus maniculatus&lt;/em&gt;, in a New England montane boreal forest

Wood, Connor M.; McKinney, Shawn T.

doi:10.22621/cfn.v129i2.1699

Cited by 2 publications

(2 citation statements)

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“…Based on these papers, our dispersals (> 115 m) can be classified as LDDs and the frequency of LDD by deer mice in APP (4.2%) was remarkably similar to these frequencies reported in the literature. The dispersal distances in our study exceeded previous reports for P. maniculatus, with 13% (n = 20) of observed dispersals exceeding the previous reported maximum long-distance movement (4287 ± 10 m, in Wood and McKinney 2015). Our observed maximum dispersal distance of 11.3 km represents a 164% increase on that previous maximum.…”

Section: Frequency and Distance Of Dispersalsupporting

confidence: 54%

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Variation in space and time: a long-term examination of density-dependent dispersal in a woodland rodent

et al. 2020

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Dispersal is a fundamental ecological process that can be affected by population density, yet studies report contrasting effects of density on propensity to disperse. In addition, the relationship between dispersal and density is seldom examined using densities measured at different spatial scales or over extensive time series. We used 51 years of trapping data to examine how dispersal by wild deer mice (Peromyscus maniculatus) was affected by changes in both local and regional population densities. We examined these patterns over both the entire time series and also in 10-year shifting windows to determine whether the nature and strength of the relationship changed through time. Probability of dispersal decreased with increased local and regional population density, and the negative effect of local density on dispersal was more pronounced in years with low regional densities. In addition, the strength of negative density-dependent dispersal changed through time, ranging from very strong in some decades to absent in other periods of the study. Finally, while females were less likely to disperse, female dispersal was more density-dependent than male dispersal. Our study shows that the relationship between density and dispersal is not temporally static and that investigations of density-dependent dispersal should consider both local and regional population densities.

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Section: Frequency and Distance Of Dispersalsupporting

confidence: 54%

“…are vectors (Meerburg et al 2009;Gaitan and Millien 2016). These distribution tails are notoriously difficult to quantify (Koenig et al 1996), and LDD in deer mice is generally reported anecdotally or with little detail (Jung et al 2005;Wood and McKinney 2015).…”

Section: Frequency and Distance Of Dispersalmentioning

confidence: 99%

Variation in space and time: a long-term examination of density-dependent dispersal in a woodland rodent

et al. 2020

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Variation in space and time: a long-term examination of density-dependent dispersal in a woodland rodent

Denomme-Brown

Cottenie

Falls

et al. 2019

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16Dispersal is a fundamental ecological process, and population density has been observed as a 17 driver of dispersal in various taxa. Conflicting examples of positive and negative density-18 dependent dispersal, however, leave little consensus regarding any general effects of density on 19 dispersal. Deer mice (Peromyscus maniculatus) have exhibited both negative and positive 20 density-dependent dispersal. Using 51-years of data on P. maniculatus live-trapping 21 abundances, we examined the spatial scale of density-dependent dispersal as well as its temporal 22 stability within this long time-series. We examined these patterns over both the entire time-series 23 and also in ten-year shifting windows to determine whether the nature and strength of the 24 relationship changed through time. Overall, the probability of dispersal decreased with increased 25 local and regional population density, and the negative effect of local density on dispersal was 26 more pronounced in years with low regional densities. Females were less likely to disperse, but 27 female dispersal was more density-dependent than male dispersal. Additionally, the strength of 28 negative density-dependent dispersal changed through time, from very strong in some decades to 29 absent in others. Our study shows that the relationship between density and dispersal is not 30 temporally static and that studies of density-dependent dispersal should consider both local and 31 regional population densities. As well, while male-biased dispersal is often considered 32 ubiquitous in mammals, we demonstrate that male and female dispersal may have differing 33 levels of density-dependence. Finally, our study highlights the importance of accounting for both 34 local and regional processes in natural systems as these types of long-term, spatially broad 35 examinations of dispersal are crucial if spatial processes are to be represented adequately and 36 accurately in population modelling and theory. 37

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Record long-distance movement of a Deer Mouse, <em>Peromyscus maniculatus</em>, in a New England montane boreal forest

Cited by 2 publications

References 7 publications

Variation in space and time: a long-term examination of density-dependent dispersal in a woodland rodent

Variation in space and time: a long-term examination of density-dependent dispersal in a woodland rodent

Variation in space and time: a long-term examination of density-dependent dispersal in a woodland rodent

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