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231225s2003 xx |||||o 00| ||eng c |
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|a 10.1046/j.1469-8137.2003.00850.x
|2 doi
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|a pubmed24n1080.xml
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|a (NLM)33873598
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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 |
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|a Bernacchi, C J
|e verfasserin
|4 aut
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| 245 |
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|a Photosynthesis and stomatal conductance responses of poplars to free-air CO2 enrichment (PopFACE) during the first growth cycle and immediately following coppice
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|c 2003
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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 Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a • Using the Poplar Free Air CO2 Enrichement (PopFACE) facility we investigated the effects of elevated [CO2 ] on the diurnal and growth cycle responses of photosynthesis and conductance in three poplar species. • In situ diurnal measurements of photosynthesis were made on Populus alba, P. nigra and P. ×euramericana and, in parallel, in vivo maximum capacity for carboxylation (Vc,max ) and maximum rates of electron transport (Jmax ) were determined by gas exchange measurement. • Light saturated (Asat ) and daily integrated (A') photosynthesis increased at elevated [CO2 ] in all species. Elevated [CO2 ] decreased Vc,max and Jmax for P. nigra and Jmax for P.¥euramericana but had no effect on stomatal conductance in any of the species throughout the first growth cycle. During post-coppice re-growth, elevated [CO2 ] did not increase Asat in P. nigra and P.×euramericana due to large decreases in Vc,max and Jmax . • A 50% increase in [CO2 ] under these open-air field conditions resulted in a large and sustained increase in Asat . Although there were some differences between the species, these had little effect on photosynthetic rates at the growth [CO2 ]. Nevertheless the results show that even fast growing trees grown without rooting volume restriction in the open may still show some down-regulation of photosynthetic potential at elevated [CO2 ]
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| 650 |
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|a Journal Article
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|a Free Air CO2 Enrichment (FACE)
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| 650 |
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4 |
|a Populus spp
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| 650 |
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4 |
|a Rubisco
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| 650 |
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|a atmospheric change
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| 650 |
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|a climate change
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| 650 |
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|a elevated CO2
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| 650 |
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4 |
|a photosynthetic electron transport
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| 700 |
1 |
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|a Calfapietra, C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Davey, P A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wittig, V E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Scarascia-Mugnozza, G E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Raines, C A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Long, S P
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 159(2003), 3 vom: 20. Sept., Seite 609-621
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:159
|g year:2003
|g number:3
|g day:20
|g month:09
|g pages:609-621
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