Ecology of frontier populations of the invasive grey squirrel (Sciurus carolinensis) in Ireland

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dc.contributor.advisor Butler, Fidelma en
dc.contributor.advisor Lawton, Colin Goldstein, Emily Anne 2015-08-19T15:15:59Z 2014 2014
dc.identifier.citation Goldstein, E. A. 2014. Ecology of frontier populations of the invasive grey squirrel (Sciurus carolinensis) in Ireland. PhD Thesis, University College Cork. en
dc.identifier.endpage 196
dc.description.abstract The rise in invasive species, together with habitat destruction, is associated with worldwide declines in biodiversity and ecosystem functioning. Management of invasive species, as well as amelioration of invasion impacts, provide challenges to species and ecosystem ecologists and conservation managers. Although any species can become invasive if it is transported to, establishes in and spreads in a new environment outside of its native range, rodents are a particularly frequent invader. Rodent introductions are often inadvertent but are also commonly intentional as these animals are traded and transported as pets and may escape from captivity. Tree squirrel species are attractive to humans and are able to establish populations with only a few founding individuals, making them a group well suited to performing the role of biological invaders. The eastern grey squirrel (Sciurus carolinensis) is the most commonly introduced squirrel species worldwide. This research addressed the grey squirrel invasion and frontier population biology. Novel results were generated through diverse research techniques. Public sighting surveys and hairtube surveys were used to locate the southern frontier of grey squirrel range expansion in Ireland. A 22-month intensive live trapping study of two frontier populations facilitated the collection of personality and demographic data from squirrels in increasing populations. A systematic literature search on grey squirrel demography provided context for the studied populations, among frontier and established introduced populations, as well as those in the native range. Advanced spatially explicit population modeling techniques predicted future range expansion and objectively compared the outcomes of 12 grey squirrel management strategies. The methods and results are discussed in both a basic scientific and applied invasion management context. An improved understanding of the behaviour, population dynamics, and future scenarios at the frontier of species invasions is crucial for managers worldwide and this is provided here for the grey squirrel in Ireland. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher University College Cork en
dc.rights © 2014, Emily A. Goldstein. en
dc.rights.uri en
dc.subject Sciurus carolinensis en
dc.subject Frontier populations en
dc.subject Personality en
dc.subject Biological invasions en
dc.subject Grey squirrel en
dc.subject Citizen science en
dc.subject Spatially explicit population modeling en
dc.title Ecology of frontier populations of the invasive grey squirrel (Sciurus carolinensis) in Ireland en
dc.type Doctoral thesis en
dc.type.qualificationlevel Doctoral en
dc.type.qualificationname PhD (Science) en
dc.internal.availability Full text available en
dc.description.version Accepted Version
dc.contributor.funder Irish Research Council en
dc.description.status Not peer reviewed en Biological, Earth & Environmental Sciences en
dc.check.reason This thesis is due for publication or the author is actively seeking to publish this material en
dc.check.opt-out Not applicable en
dc.thesis.opt-out false
dc.check.embargoformat E-thesis on CORA only en
dc.internal.conferring Autumn Conferring 2014

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© 2014, Emily A. Goldstein. Except where otherwise noted, this item's license is described as © 2014, Emily A. Goldstein.
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