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dc.contributor.author
Zehnder, Tobias
dc.contributor.author
Lüscher, Andreas
dc.contributor.author
Ritzmann, Carmen
dc.contributor.author
Pauler, Caren M.
dc.contributor.author
Berard, Joel
dc.contributor.author
Kreuzer, Michael
dc.contributor.author
Schneider, Manuel K.
dc.date.accessioned
2020-10-16T14:34:17Z
dc.date.available
2020-09-29T03:27:03Z
dc.date.available
2020-09-29T12:02:08Z
dc.date.available
2020-10-16T14:34:17Z
dc.date.issued
2020-10
dc.identifier.issn
1664-2201
dc.identifier.issn
1664-221X
dc.identifier.other
10.1007/s00035-020-00241-8
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/443282
dc.identifier.doi
10.3929/ethz-b-000443282
dc.description.abstract
Abandonment of pastures and successional shrub expansion are widespread in European mountain regions. Moderate shrub encroachment is perceived beneficial for plant diversity by adding new species without outcompeting existing ones, yet systematic evidence is missing. We surveyed vegetation along 24 transects from open pasture into shrubland across the Swiss Alps using a new protocol distinguishing different spatial scales, shrub cover of each plot (2 x 2 m) and larger-scale zonal cover along the transect. Data were analysed using generalized linear models of shrub cover, shrub species and environmental conditions, such as geology, aspect or soil. Most shrub communities were dominated byAlnus viridis(62% of transects) andPinus mugo(25%), and the rest by other shrub species (13%). These dominant shrub species explained vegetation response to shrub cover well, without need of environmental variables in the model. Compared to open pasture,A. viridisresulted in an immediate linear decline in plant species richness and a marginal increase in beta-diversity (maximally + 10% at 35% cover). DenseA. viridishosted 62% less species than open pasture. InP. mugo,species richness remained stable until 40% shrub cover and dropped thereafter; beta-diversity peaked at 35% cover. Hence, scatteredP. mugoincreases beta-diversity without impairing species richness. In transects dominated by other shrubs, species richness and beta-diversity peaked at 40-60% shrub cover (+ 23% both).A. viridisreduced species richness in a larger area around the shrubs thanP. mugo. Therefore, effects of shrub encroachment on plant diversity cannot be generalized and depend on dominant shrub species.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Springer
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Biodiversity
en_US
dc.subject
Vegetation
en_US
dc.subject
Mountain
en_US
dc.subject
Succession
en_US
dc.subject
Shrub encroachment
en_US
dc.subject
Conservation
en_US
dc.title
Dominant shrub species are a strong predictor of plant species diversity along subalpine pasture-shrub transects
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2020-09-14
ethz.journal.title
Alpine Botany
ethz.journal.volume
130
en_US
ethz.journal.issue
2
en_US
ethz.journal.abbreviated
Alp. bot.
ethz.pages.start
141
en_US
ethz.pages.end
156
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Cham
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03428 - Kreuzer, Michael (emeritus) / Kreuzer, Michael (emeritus)
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03428 - Kreuzer, Michael (emeritus) / Kreuzer, Michael (emeritus)
ethz.date.deposited
2020-09-29T03:27:08Z
ethz.source
WOS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2020-10-16T14:34:30Z
ethz.rosetta.lastUpdated
2021-02-15T18:26:28Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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