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Permanent link (DOI): https://doi.org/10.7939/R3CV4BV17

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Short-term plant community responses to warming and defoliation in a northern temperate grassland Open Access

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Author or creator
Deutsch, E. S.
Bork, E. W.
Cahill, Jr. J. F.
Chang, S. X.
Additional contributors
Subject/Keyword
Climate change
Plant life
Prairie plants
Type of item
Journal Article (Published)
Language
English
Place
Canada
Time
Description
Abstract: Little is known about the short-term impacts of warming on native plant community dynamics in the northern Canadian prairies. This study examined the immediate effects of elevated temperature and defoliation on plant community diversity, composition, and biomass within a native rough fescue (Festuca hallii (Vasey) Piper) grassland over two growing seasons. We used open-top chambers to simulate climate change and defoliated vegetation in midsummer of the first year to simulate biomass loss associated with periodic ungulate grazing. Warming marginally increased plant species diversity and changed community composition shortly after treatment, but effects were not apparent the second year, and there were no apparent impacts on plant biomass. Nonetheless, warming may have impacted community diversity indirectly through reduced soil moisture content, a pattern that persisted into the second year. Overall, this northern temperate grassland demonstrated limited community-level changes to warming even in the presence of defoliation.
Date created
2011
DOI
doi:10.7939/R3CV4BV17
License information
Creative Commons Attribution 3.0 Unported
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Citation for previous publication
Deutsch, E.S., Bork, E.W., Cahill Jr, J.F. and Chang, S.X. (2011). Short-term plant community responses to warming and defoliation in a northern temperate grassland. ISRN Ecology, vol. 2011, Article ID 926061. doi:10.5402/2011/926061.
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