Snow information is required in subcontinental scale predictions of mountain plant distributions

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http://hdl.handle.net/10138/332260

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Rissanen , T K , Niittynen , P , Soininen , J & Luoto , M 2021 , ' Snow information is required in subcontinental scale predictions of mountain plant distributions ' , Global Ecology and Biogeography , vol. 30 , no. 7 , pp. 1502-1513 . https://doi.org/10.1111/geb.13315

Title: Snow information is required in subcontinental scale predictions of mountain plant distributions
Author: Rissanen, Tuuli Katariina; Niittynen, Pekka; Soininen, Janne; Luoto, Miska
Contributor organization: Department of Geosciences and Geography
Helsinki Institute of Sustainability Science (HELSUS)
BioGeoClimate Modelling Lab
Biosciences
Date: 2021-07
Language: eng
Number of pages: 12
Belongs to series: Global Ecology and Biogeography
ISSN: 1466-822X
DOI: https://doi.org/10.1111/geb.13315
URI: http://hdl.handle.net/10138/332260
Abstract: Aim To examine how snow cover and permafrost affect plant species distributions at a subcontinental extent. Location Mountain realm of Fennoscandia, northern Europe. Time period Species data from 1 January 1990-25 February 2019. Major taxa studied Arctic-alpine and boreal vascular plants. Methods We examined the effect of snow persistence and permafrost occurrence on the distributions of arctic-alpine and boreal plant species while controlling for climate, topography and geological factors. Data comprised 475,811 observations from 671 species in the Fennoscandian mountains. We investigated the relationships between species distributions and environmental variables using four modelling methods and ensemble modelling building on both non-spatial and spatial models. Results Snow persistence was the most important driver of plant species distributions, with the greatest variable importance for both arctic-alpine (38.2%) and boreal (49.9%) species. Permafrost had a consistent minor effect on the predicted distributions. Arctic-alpine plants occur in areas with long snow persistence and permafrost, whereas boreal species showed the opposite habitat preferences. Main conclusions Our results highlight the importance of snow persistence in driving the distribution of vascular plant species in cold environments at a subcontinental scale. The notable contribution of the cryosphere to plant species distribution models indicates that the inclusion of snow information in particular may improve our understanding and model predictions of biogeographical patterns in cold regions.
Subject: 1181 Ecology, evolutionary biology
1171 Geosciences
arctic&#8208
alpine vegetation
boreal vegetation
cryosphere
snow
species distribution models
subcontinental
vascular plants
SPECIES DISTRIBUTION MODELS
BIOTIC INTERACTIONS
VASCULAR PLANTS
CLIMATE-CHANGE
RICHNESS
COVER
DIVERSITY
RESPONSES
ACCURACY
DURATION
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


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