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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15480
|2 doi
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|a pubmed24n1062.xml
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|a (DE-627)NLM318611791
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|a (NLM)33295684
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Felton, Andrew J
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Precipitation-productivity relationships and the duration of precipitation anomalies
|b An underappreciated dimension of climate change
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| 264 |
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 21.04.2021
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|a Date Revised 21.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 John Wiley & Sons Ltd.
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|a In terrestrial ecosystems, climate change forecasts of increased frequencies and magnitudes of wet and dry precipitation anomalies are expected to shift precipitation-net primary productivity (PPT-NPP) relationships from linear to nonlinear. Less understood, however, is how future changes in the duration of PPT anomalies will alter PPT-NPP relationships. A review of the literature shows strong potential for the duration of wet and dry PPT anomalies to impact NPP and to interact with the magnitude of anomalies. Within semi-arid and mesic grassland ecosystems, PPT gradient experiments indicate that short-duration (1 year) PPT anomalies are often insufficient to drive nonlinear aboveground NPP responses. But long-term studies, within desert to forest ecosystems, demonstrate how multi-year PPT anomalies may result in increasing impacts on NPP through time, and thus alter PPT-NPP relationships. We present a conceptual model detailing how NPP responses to PPT anomalies may amplify with the duration of an event, how responses may vary in xeric vs. mesic ecosystems, and how these differences are most likely due to demographic mechanisms. Experiments that can unravel the independent and interactive impacts of the magnitude and duration of wet and dry PPT anomalies are needed, with multi-site long-term PPT gradient experiments particularly well-suited for this task
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| 650 |
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|a Journal Article
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| 650 |
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|a Review
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| 650 |
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|a climate change
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| 650 |
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|a climate extremes
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| 650 |
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4 |
|a deluge
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| 650 |
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4 |
|a drought
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| 650 |
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4 |
|a net primary productivity
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| 650 |
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4 |
|a precipitation
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| 650 |
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4 |
|a precipitation-productivity relationships
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| 650 |
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4 |
|a temporal dynamics
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| 650 |
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4 |
|a vegetation demographics
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| 700 |
1 |
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|a Knapp, Alan K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Smith, Melinda D
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 27(2021), 6 vom: 15. März, Seite 1127-1140
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
8 |
|g volume:27
|g year:2021
|g number:6
|g day:15
|g month:03
|g pages:1127-1140
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/gcb.15480
|3 Volltext
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