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231226s2023 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1111/nph.18822
|2 doi
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|a pubmed25n1176.xml
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|a eng
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| 100 |
1 |
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|a Durand, Maxime
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Fields of a thousand shimmers
|b canopy architecture determines high-frequency light fluctuations
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|c 2023
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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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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.04.2023
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|a Date Revised 02.05.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2023 The Authors New Phytologist © 2023 New Phytologist Foundation.
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|a Wind-induced movement in the canopy produces rapid fluctuations in irradiance, called 'windflecks'. They create a dynamic environment for photosynthesis that bears little resemblance to the stable controlled conditions under which plants are typically measured. We recorded time series of irradiance to assess the diversity of windfleck properties (intensity, duration, frequency, clustering, and spectral composition) in canopies of four crops and five tree species. We also measured traits associated with leaf morphology and canopy architecture, which could be associated with canopy-specific differences in windflecks. Distinct features of windfleck properties were identified both between and among crop and tree canopy. Windflecks in crops were generally more intense and longer, and baseline irradiance was much higher than even the peak irradiance during a windfleck in a forest. The change in spectral composition during a windfleck was species-specific. Overall, irradiance fluctuations were less frequent and less intense in tall canopies and with increased depth from the canopy. Our systematic exploration of how canopy structure dictates light dynamics provides new insight into windfleck creation. Coupled with progress in elucidation of the mechanisms of photosynthetic induction, this knowledge should improve our capacity to model canopy ecophysiology and understand light use efficiency in shade
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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|a canopy architecture
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| 650 |
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4 |
|a crops
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| 650 |
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4 |
|a forests
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| 650 |
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4 |
|a light quality
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| 650 |
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4 |
|a shade
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| 650 |
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4 |
|a solar radiation
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| 650 |
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4 |
|a spectral composition
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| 650 |
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4 |
|a sunfleck
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| 700 |
1 |
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|a Robson, T Matthew
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 238(2023), 5 vom: 20. Juni, Seite 2000-2015
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
8 |
|g volume:238
|g year:2023
|g number:5
|g day:20
|g month:06
|g pages:2000-2015
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/nph.18822
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