Extreme drought impacts have been underestimated in grasslands and shrublands globally

dc.contributor.authorSmith, Melinda D. et al.
dc.contributor.authorFelton, Andrew J.
dc.date.accessioned2024-04-02T18:12:07Z
dc.date.available2024-04-02T18:12:07Z
dc.date.issued2024-01
dc.descriptioncc-by-nc-nd ; https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.description.abstractDrought has well-documented societal and economic consequences. Climate change is expected to intensify drought to even more extreme levels, but because such droughts have been historically rare, their impact on ecosystem functioning is not well known. We experimentally imposed the most frequent type of intensified drought—one that is ~1 y in duration—at 100 grassland and shrubland sites distributed across six continents. We found that loss of aboveground plant growth, a key measure of ecosystem function, was 60% greater when short-term drought was extreme (≤1-in-100-y historical occurrence). This drought-induced loss in function greatly exceeds previously reported losses for grasslands and shrublands, suggesting that the global impacts of projected increases in drought severity have been substantially underestimated.
dc.identifier.citationSmith, Melinda D., Kate D. Wilkins, Martin C. Holdrege, Peter Wilfahrt, Scott L. Collins, Alan K. Knapp, Osvaldo E. Sala et al. "Extreme drought impacts have been underestimated in grasslands and shrublands globally." Proceedings of the National Academy of Sciences 121, no. 4 (2024): e2309881120.
dc.identifier.doi10.1073/pnas.2309881120
dc.identifier.issn0027-8424
dc.identifier.urihttps://scholarworks.montana.edu/handle/1/18395
dc.language.isoen_US
dc.publisherProceedings of the National Academy of Sciences
dc.subjectclimate extreme
dc.subjectdrought-net
dc.subjectinternational drought experiment
dc.subjectproductivity
dc.titleExtreme drought impacts have been underestimated in grasslands and shrublands globally
dc.typeArticle

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