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dc.contributor.authorJones, Kevinen_UK
dc.contributor.authorGilvear, Daviden_UK
dc.contributor.authorWillby, Nigelen_UK
dc.contributor.authorGaywood, Martinen_UK
dc.description.abstract1. A proposed trial reintroduction of the Eurasian beaver (Castor fiber L.) to Scotland has recently been approved (May 2008). A previous proposal was turned down by the licensing authority, partly over the perceived risks to woodland within a Special Area of Conservation.2. This paper presents data on two years of willow (Salix spp.) and aspen (Populus tremula L.) regrowth following tree felling by captive beavers within two large semi-natural enclosures in eastern Scotland. Both willow and aspen are highly preferred by beavers.3. Regrowth of willow stems was quantified from cut stumps, felled logs and partially severed (‘incompletely felled') trees, and compared with growth of stems in the canopies of untouched willows.4. Maximum annual regrowth was observed in incompletely felled trees, followed by cut stumps and then unfelled control trees. Mean regrowth rates were ca 18 m regrowth per metre of measured tree section per year in incompletely felled trees. This was approximately 12 times more annual regrowth than that observed in unfelled trees, despite apparently selective browsing of the regrowth of incompletely felled trees by roe deer.5. Although incompletely felled willows represent a relatively small component of felling activity (9% of all felled willow), they contribute disproportionately to the biomass of beaver-engineered riparian woodlands, creating a more multi-layered habitat structure.6. Willow regrowth in inundated areas was avoided by deer, and harvesting of regrowth by beavers was rare.7. Significant regrowth from 11 stumps of aspen in 2 years post-felling occurred by suckering, with 85 suckers of mean height 2.1 m being recorded, all of which were subsequently avoided by browsing deer and beavers.8. These data suggest that rapid regeneration of willow and aspen will occur in riparian woodlands in the event of major felling activity by Eurasian beaver, even in the presence of low to moderate levels of roe deer browsing, and that the conservation status of both these trees or the wider habitats that they form would not be threatened by a well planned and managed reintroduction of beavers to Scotland.en_UK
dc.relationJones K, Gilvear D, Willby N & Gaywood M (2009) Willow (Salix spp.) and aspen (Populus tremula) regrowth after felling by the Eurasian beaver (Castor fiber): implications for riparian woodland conservation in Scotland. Aquatic Conservation: Marine and Freshwater Ecosystems, 19 (1), pp. 75-87.
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.subjectCastor fiberen_UK
dc.subjectEurasian beaveren_UK
dc.subjecttree fellingen_UK
dc.subjectdeer browsingen_UK
dc.titleWillow (Salix spp.) and aspen (Populus tremula) regrowth after felling by the Eurasian beaver (Castor fiber): implications for riparian woodland conservation in Scotlanden_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[Willow (Salix spp.) and aspen (Populus tremula) regrowth after felling by the Eurasian beaver.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.citation.jtitleAquatic Conservation: Marine and Freshwater Ecosystemsen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationUniversity of Stirlingen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationScottish Natural Heritageen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorJones, Kevin|en_UK
local.rioxx.authorGilvear, David|en_UK
local.rioxx.authorWillby, Nigel|0000-0002-1020-0933en_UK
local.rioxx.authorGaywood, Martin|en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameWillow (Salix spp.) and aspen (Populus tremula) regrowth after felling by the Eurasian beaver.pdfen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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