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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16790
|2 doi
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|a pubmed24n1040.xml
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|e rakwb
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|a eng
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|a Dolezal, Jiri
|e verfasserin
|4 aut
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|a Alpine plant growth and reproduction dynamics in a warmer world
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 14.05.2021
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|a Date Revised 14.05.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors. New Phytologist © 2020 New Phytologist Trust.
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|a Climate warming may stimulate growth and reproduction in cold-adapted plants, but also reduce their performance due to warming-induced drought limitation. We tested this theory using a unique experiment with the alpine forb Rumex alpinus. We examined how climate warming over the past four decades affected its annual rhizome growth, leaf production and flowering, and whether responses varied between alpine, subalpine and montane populations. Before the period of accelerated warming in the 1970s and 1980s, the primary limitation on growth had been cold temperatures and short growing seasons. Increased summer temperatures in the 1990s and 2000s enhanced rhizome growth and leaf production, but not flowering. Alpine and subalpine plants profit more than montane plants, currently producing three times longer annual rhizome increments and twice as many leaves as 40 yr ago, and achieving nearly the same values as montane plants. During the warmest 2005-2015 period, growth became contingent on summer precipitation and began to decrease across all populations, likely due to an increasing water shortage in dense monospecific stands. Warming releases plants from cold limitations but induces water shortage. Rumex alpinus exceeds its thermal optimum and becomes water-limited as the climate warms. Our results suggest that warming-induced responses in alpine plants will not be one-sided shifts to higher growth and reproduction, but rather multidimensional and spatiotemporally variable
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a climate warming
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| 650 |
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|a clonal plants
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| 650 |
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|a elevation gradient
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|a flowering
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|a growth
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|a long-term response
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4 |
|a rhizome
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| 650 |
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4 |
|a spatiotemporal dynamics
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| 700 |
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|a Kurnotova, Margareta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stastna, Petra
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Klimesova, Jitka
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 228(2020), 4 vom: 15. Nov., Seite 1295-1305
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:228
|g year:2020
|g number:4
|g day:15
|g month:11
|g pages:1295-1305
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|u http://dx.doi.org/10.1111/nph.16790
|3 Volltext
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