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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19291
|2 doi
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|a pubmed24n1209.xml
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|a (NLM)37789694
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Schärer, Marie-Louise
|e verfasserin
|4 aut
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| 245 |
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|a Post-drought compensatory growth in perennial grasslands is determined by legacy effects of the soil and not by plants
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|c 2023
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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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|2 rdacarrier
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|a Date Completed 17.11.2023
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|a Date Revised 17.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.
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|a Grasslands recovering from drought have repeatedly been shown to outperform non-drought-stressed grasslands in biomass production. The mechanisms that lead to the unexpectedly high biomass production in grasslands recovering from drought are, however, not understood. To disentangle plant-intrinsic and plant-extrinsic (soil) drought legacy effects on grassland recovery from drought, we designed a factorial field experiment where Lolium perenne plants that were exposed to either a 2-month drought or to well-watered control conditions were transplanted into control and drought-stressed soil and rewetted thereafter. Drought and rewetting (DRW) resulted in negative drought legacy effects of formerly drought-stressed plants (DRWp ) compared with control plants (Ctrp ) when decoupled from soil-mediated DRW effects, with DRWp showing less aboveground productivity (-13%), restricted N nutrition, and higher δ13 C compared with Ctrp . However, plants grown on formerly drought-stressed soil (DRWs ) showed enhanced aboveground productivity (+82%), improved N nutrition, and higher δ13 C values relative to plants grown on control soil (Ctrs ), irrespective of the plants' pretreatment. Our study shows that the higher post-drought productivity of perennial grasslands recovering from drought relative to non-drought-stressed controls is induced by soil-mediated DRW legacy effects which improve plant N nutrition and photosynthetic capacity and that these effects countervail negative plant-intrinsic drought legacy effects
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|a Journal Article
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|a compensatory growth
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| 650 |
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|a drought
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|a grassland
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| 650 |
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|a nitrogen
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| 650 |
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|a recovery
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|a rewetting
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| 650 |
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|a Soil
|2 NLM
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| 700 |
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|a Lüscher, Andreas
|e verfasserin
|4 aut
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| 700 |
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|a Kahmen, Ansgar
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 240(2023), 6 vom: 18. Dez., Seite 2265-2275
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:240
|g year:2023
|g number:6
|g day:18
|g month:12
|g pages:2265-2275
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|u http://dx.doi.org/10.1111/nph.19291
|3 Volltext
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