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  Consequences of more extreme precipitation regimes for terrestrial ecosystems

Knapp, A. K., Beier, C., Briske, D. D., Classen, A. T., Luo, Y., Reichstein, M., et al. (2008). Consequences of more extreme precipitation regimes for terrestrial ecosystems. Bioscience, 58(9), 811-821. doi:10.1641/B580908.

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Knapp, A. K., Author
Beier, C., Author
Briske, D. D., Author
Classen, A. T., Author
Luo, Y., Author
Reichstein, M.1, Author           
Smith, M. D., Author
Smith, S. D., Author
Bell, J. E., Author
Fay, P. A., Author
Heisler, J. L., Author
Leavitt, S. W., Author
Sherry, R., Author
Smith, B., Author
Weng, E., Author
Affiliations:
1Research Group Biogeochemical Model-data Integration, Dr. M. Reichstein, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497760              

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Free keywords: Climate change Drought Ecosystems Precipitation Soil water Climate-change Rainfall variability Semiarid ecosystems Arid ecosystems United-states Water Carbon Trends Productivity Grassland
 Abstract: Amplification of the hydrological cycle as a consequence of global warming is forecast to lead more extreme intra-annual precipitation regimes. characterized by larger rainfall events and longer intervals between events. We present a conceptual framework, based on past investigations and ecological theory, for predicting the consequences of this underappreciated aspect of climate change. We consider a brand range of terrestrial ecosystems that vary in their over-all mater balance. More extreme rainfall regimes are expected to increase the duration and severity of soil water water stress in mesic ecosystems as intervals between rainfall events increase. In contrast, xeric ecosystems may exhibit the opposite response to extreme events. Larger but less frequent rainfall events may result in proportional reductions in evaporative losses in xenic systems, and thus may lead to greater soil water availability Hydric (wetland) ecosystems are predicted to experience reduced periods of anoxia in response to prolonged intervals between rainfall events. Understanding these contingent effects of ecosystem canter balance is necessary for predicting how nun e intervals precipitation regimes will modify ecosystem processes and alter interactions with related global change drivers. [References: 67]

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 Dates: 2008
 Publication Status: Issued
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 Identifiers: DOI: 10.1641/B580908
Other: BGC1157
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Title: Bioscience
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Institute of Biological Sciences
Pages: - Volume / Issue: 58 (9) Sequence Number: - Start / End Page: 811 - 821 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/110985822450838
ISSN: 0006-3568