Gap-crossing decisions by adult Franklin's ground squirrels in agricultural landscapes

Duggan, Jennifer; Heske, Edward J.; Schooley, Robert L.

doi:10.1644/11-mamm-a-418.1

Cited by 13 publications

(5 citation statements)

References 51 publications

(68 reference statements)

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“…This may hinder local recovery of Fgs after population crashes, as implicated in population declines in parts of the u.s. range. 4,28 given the generally inconspicuous nature of Fgs, and especially its local population fluctuations and occasional catastrophes, present data are insufficient to estimate any overall population trend. As the inaturalist database and similar online resources grow, a more detailed picture of this animal's distribution should emerge, providing a valuable tool for conservation efforts.…”

Section: Changes Over 200 Yearsmentioning

confidence: 85%

“…25 Conservation concern for Fgs, especially in illinois and indiana, has inspired extensive research on its habitat requirements, detection, and distribution. 4,12,[26][27][28][29][30][31] summary of natural history in Canada, Fgs is active above ground from the second half of April until early october, albeit rarely before may or after early september. An exceptionally early individual emerged at a residential garden in la vallee Township, ontario on 2 April 2020 (Figure 2).…”

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confidence: 99%

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History and current status of Franklin's Ground Squirrel in Manitoba and elsewhere in Canada

Taylor¹

2021

bluejay

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Section: Changes Over 200 Yearsmentioning

confidence: 85%

mentioning

confidence: 99%

History and current status of Franklin's Ground Squirrel in Manitoba and elsewhere in Canada

Taylor¹

2021

bluejay

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“…We found no evidence for homing behavior by translocated woodchucks, regardless of age, sex, or translocation distance. Successful homing has been documented for other translocated sciurids, such as southern flying squirrels (Glaucomys volans; Sawyer and Rose 1985) and Franklin's ground squirrels (Poliocitellus franklinii; Duggan et al 2012). However, in those studies, homing probability decreased when translocation distances exceeded 1 km.…”

Section: Discussionmentioning

confidence: 99%

Happily ever after? Fates of translocated nuisance woodchucks in the Chicago metropolitan area

et al. 2016

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Human-wildlife conflict is increasing as urbanization expands and wildlife species adjust to living near people. Translocation is often used to manage human-wildlife conflict because it is considered to be humane, yet fates of translocated animals are largely unknown. As an urban adapter, woodchucks (Marmota monax) are a common source of human-wildlife conflict due to their burrowing, foraging, and scent-marking behavior. We examined survival and movements of 27 nuisance woodchucks captured by a nuisance wildlife operator in the Chicago metropolitan area, radiomarked with internal transmitters, and translocated to exurban release sites mimicking typical practices. We also captured and radiomarked 16 resident woodchucks from the release landscape for comparison. Translocated woodchucks moved farther than residents immediately post release with no evidence of homing and most left the release site. Annual survival did not differ between translocated and resident woodchucks. However, survival was extremely low (0.18) compared to previous estimates for woodchucks, primarily due to high predation by coyotes (Canis latrans). Translocation should be used only when other nonlethal methods are ineffective (e.g., exclusion, removing food sources, selecting unpalatable plants for gardens). When necessary, the practice of translocation could be improved by reducing predation risk for translocated animals, either by selecting release sites with low predation risk, or by using soft-release methods, such as acclimation enclosures or artificial burrows.

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“…There are also a few studies of the response of mammals to natural habitat boundaries. For example, the forest-dependent red squirrel [75] and the grassland-dwelling Franklin's ground squirrel [76] both show a preference for detours over crossing habitat gaps. Detailed study of these various behaviours would require a much more detailed model than linear diffusion for animal movement [77].…”

Section: Discussionmentioning

confidence: 99%

Generation of periodic travelling waves in cyclic populations by hostile boundaries

Sherratt

2013

Proc. R. Soc. A.

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Many recent datasets on cyclic populations reveal spatial patterns with the form of periodic travelling waves (wavetrains). Mathematical modelling has identified a number of potential causes of this spatial organization, one of which is a hostile habitat boundary. In this paper, the author investigates the member of the periodic travelling wave family selected by such a boundary in models of reaction–diffusion type. Using a predator–prey model as a case study, the author presents numerical evidence that the wave generated by a hostile (zero-Dirichlet) boundary condition is the same as that generated by fixing the population densities at their coexistence steady-state levels. The author then presents analysis showing that the two waves are the same, in general, for oscillatory reaction–diffusion models with scalar diffusion close to Hopf bifurcation. This calculation yields a general formula for the amplitude, speed and wavelength of these waves. By combining this formula with established results on periodic travelling wave stability, the author presents a division of parameter space into regions in which a hostile boundary will generate periodic travelling waves, spatio-temporal disorder or a mixture of the two.

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Gap-crossing decisions by adult Franklin's ground squirrels in agricultural landscapes

Cited by 13 publications

References 51 publications

History and current status of Franklin's Ground Squirrel in Manitoba and elsewhere in Canada

History and current status of Franklin's Ground Squirrel in Manitoba and elsewhere in Canada

Happily ever after? Fates of translocated nuisance woodchucks in the Chicago metropolitan area

Generation of periodic travelling waves in cyclic populations by hostile boundaries

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