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dc.contributor.authorTalebi, Amir-
dc.contributor.authorAttar, Farideh-
dc.contributor.authorNaqinezhad, Alireza-
dc.contributor.authorDembicz, Iwona-
dc.contributor.authorDengler, Jürgen-
dc.date.accessioned2021-04-29T14:29:06Z-
dc.date.available2021-04-29T14:29:06Z-
dc.date.issued2021-03-04-
dc.identifier.issn1100-9233de_CH
dc.identifier.issn1654-1103de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/22397-
dc.description.abstractQuestions: Which are the main environmental drivers of plot scale alpha-diversity and beta-diversity in arid steppes? Do they vary between functional groups and across grain sizes? Location: Central Alborz Mts., N Iran. Methods: We sampled vascular plants in 23 nested-plot series with nine grain sizes from 0.0001 m2 to 1,000 m2 and 334 25-m2 vegetation plots in different vegetation types of natural dry steppe grasslands. To assess beta-diversity, we calculated overall and local z-values of species–area relationships modelled with the power function. As potential drivers of species richness and z-values, we used topographic, edaphic and climatic variables as well as management types. Generalised linear models (GLMs), and generalised linear mixed-effect models (GLMMs) if spatial autocorrelation occurred, were used in a multi-model inference framework to build statistical models. Results: Mean annual temperature was the most important predictor for total species richness and richness of functional groups across grain sizes, with a unimodal relationship for grains of 25–100 m2, but mostly increasing for finer grain sizes. Precipitation of the driest month and cover of gravel were influential drivers at the smallest grains. The explanatory power of regression models increased towards larger grain sizes. The overall z-values showed a high positive relationship with precipitation of the driest month, mean annual temperature and mean soil depth. Conclusions: Related to our more than 3,000-m elevational gradient, mean annual temperature (highly negatively correlated with elevation) was the most influential and consistent driver across functional groups and grain sizes with mostly unimodal relationships for alpha-diversity and a positive effect on beta-diversity. Findings for other drivers were less consistent, and overall the explained variance of our models was relatively low, calling for additional studies to determine whether in the arid grasslands of Iran stochasticity is just higher or there are additional important variables.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofJournal of Vegetation Sciencede_CH
dc.rightsLicence according to publishing contractde_CH
dc.subject.ddc333.7: Landflächen, Naturerholungsgebietede_CH
dc.subject.ddc577: Ökologiede_CH
dc.titleScale‐dependent patterns and drivers of plant diversity in steppe grasslands of the Central Alborz Mts., Irande_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementLife Sciences und Facility Managementde_CH
zhaw.organisationalunitInstitut für Umwelt und Natürliche Ressourcen (IUNR)de_CH
dc.identifier.doi10.1111/jvs.13005de_CH
zhaw.funding.euNode_CH
zhaw.issue2de_CH
zhaw.originated.zhawYesde_CH
zhaw.pages.starte13005de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume32de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
zhaw.webfeedVegetationsökologiede_CH
zhaw.author.additionalNode_CH
zhaw.display.portraitYesde_CH
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Talebi, A., Attar, F., Naqinezhad, A., Dembicz, I., & Dengler, J. (2021). Scale‐dependent patterns and drivers of plant diversity in steppe grasslands of the Central Alborz Mts., Iran. Journal of Vegetation Science, 32(2), e13005. https://doi.org/10.1111/jvs.13005
Talebi, A. et al. (2021) ‘Scale‐dependent patterns and drivers of plant diversity in steppe grasslands of the Central Alborz Mts., Iran’, Journal of Vegetation Science, 32(2), p. e13005. Available at: https://doi.org/10.1111/jvs.13005.
A. Talebi, F. Attar, A. Naqinezhad, I. Dembicz, and J. Dengler, “Scale‐dependent patterns and drivers of plant diversity in steppe grasslands of the Central Alborz Mts., Iran,” Journal of Vegetation Science, vol. 32, no. 2, p. e13005, Mar. 2021, doi: 10.1111/jvs.13005.
TALEBI, Amir, Farideh ATTAR, Alireza NAQINEZHAD, Iwona DEMBICZ und Jürgen DENGLER, 2021. Scale‐dependent patterns and drivers of plant diversity in steppe grasslands of the Central Alborz Mts., Iran. Journal of Vegetation Science. 4 März 2021. Bd. 32, Nr. 2, S. e13005. DOI 10.1111/jvs.13005
Talebi, Amir, Farideh Attar, Alireza Naqinezhad, Iwona Dembicz, and Jürgen Dengler. 2021. “Scale‐Dependent Patterns and Drivers of Plant Diversity in Steppe Grasslands of the Central Alborz Mts., Iran.” Journal of Vegetation Science 32 (2): e13005. https://doi.org/10.1111/jvs.13005.
Talebi, Amir, et al. “Scale‐Dependent Patterns and Drivers of Plant Diversity in Steppe Grasslands of the Central Alborz Mts., Iran.” Journal of Vegetation Science, vol. 32, no. 2, Mar. 2021, p. e13005, https://doi.org/10.1111/jvs.13005.


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