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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16872
|2 doi
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|a pubmed24n1045.xml
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|a (NLM)32790914
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Peters, Richard L
|e verfasserin
|4 aut
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| 245 |
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|a Turgor - a limiting factor for radial growth in mature conifers along an elevational gradient
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|c 2021
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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
|b cr
|2 rdacarrier
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| 500 |
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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 A valid representation of intra-annual wood formation processes in global vegetation models is vital for assessing climate change impacts on the forest carbon stock. Yet, wood formation is generally modelled with photosynthesis, despite mounting evidence that cambial activity is rather directly constrained by limiting environmental factors. Here, we apply a state-of-the-art turgor-driven growth model to simulate 4 yr of hourly stem radial increment from Picea abies (L.) Karst. and Larix decidua Mill. growing along an elevational gradient. For the first time, wood formation observations were used to validate weekly to annual stem radial increment simulations, while environmental measurements were used to assess the climatic constraints on turgor-driven growth. Model simulations matched the observed timing and dynamics of wood formation. Using the detailed model outputs, we identified a strict environmental regulation on stem growth (air temperature > 2°C and soil water potential > -0.6 MPa). Warmer and drier summers reduced the growth rate as a result of turgor limitation despite warmer temperatures being favourable for cambial activity. These findings suggest that turgor is a central driver of the forest carbon sink and should be considered in next-generation vegetation models, particularly in the context of global warming and increasing frequency of droughts
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a climate change
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| 650 |
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4 |
|a process-based model
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| 650 |
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4 |
|a radial stem growth
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| 650 |
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4 |
|a tree hydraulics
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| 650 |
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4 |
|a tree rings
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| 650 |
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4 |
|a wood formation
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| 700 |
1 |
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|a Steppe, Kathy
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cuny, Henri E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a De Pauw, Dirk J W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Frank, David C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schaub, Marcus
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rathgeber, Cyrille B K
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cabon, Antoine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fonti, Patrick
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 229(2021), 1 vom: 11. Jan., Seite 213-229
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:229
|g year:2021
|g number:1
|g day:11
|g month:01
|g pages:213-229
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|u http://dx.doi.org/10.1111/nph.16872
|3 Volltext
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|h 213-229
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