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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14591
|2 doi
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|a pubmed24n0906.xml
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|a (NLM)28505389
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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 Crous, Kristine Y
|e verfasserin
|4 aut
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| 245 |
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|a Nitrogen and phosphorus availabilities interact to modulate leaf trait scaling relationships across six plant functional types in a controlled-environment study
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|c 2017
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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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|a Date Completed 09.04.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Nitrogen (N) and phosphorus (P) have key roles in leaf metabolism, resulting in a strong coupling of chemical composition traits to metabolic rates in field-based studies. However, in such studies, it is difficult to disentangle the effects of nutrient supply per se on trait-trait relationships. Our study assessed how high and low N (5 mM and 0.4 mM, respectively) and P (1 mM and 2 μM, respectively) supply in 37 species from six plant functional types (PTFs) affected photosynthesis (A) and respiration (R) (in darkness and light) in a controlled environment. Low P supply increased scaling exponents (slopes) of area-based log-log A-N or R-N relationships when N supply was not limiting, whereas there was no P effect under low N supply. By contrast, scaling exponents of A-P and R-P relationships were altered by P and N supply. Neither R : A nor light inhibition of leaf R was affected by nutrient supply. Light inhibition was 26% across nutrient treatments; herbaceous species exhibited a lower degree of light inhibition than woody species. Because N and P supply modulates leaf trait-trait relationships, the next generation of terrestrial biosphere models may need to consider how limitations in N and P availability affect trait-trait relationships when predicting carbon exchange
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|a Journal Article
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|a day respiration
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|a glasshouse
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|a leaf economic spectrum
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|a nitrogen (N)
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|a nutrient supply
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|a photosynthesis
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|a plant functional groups
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|a Sugars
|2 NLM
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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|a Phosphorus
|2 NLM
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|a 27YLU75U4W
|2 NLM
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|a Starch
|2 NLM
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|a 9005-25-8
|2 NLM
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
1 |
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|a O'Sullivan, Odhran S
|e verfasserin
|4 aut
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1 |
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|a Zaragoza-Castells, Joana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bloomfield, Keith J
|e verfasserin
|4 aut
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| 700 |
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|a Negrini, A Clarissa A
|e verfasserin
|4 aut
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| 700 |
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|a Meir, Patrick
|e verfasserin
|4 aut
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| 700 |
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|a Turnbull, Matthew H
|e verfasserin
|4 aut
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| 700 |
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|a Griffin, Kevin L
|e verfasserin
|4 aut
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| 700 |
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|a Atkin, Owen K
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 215(2017), 3 vom: 26. Aug., Seite 992-1008
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:215
|g year:2017
|g number:3
|g day:26
|g month:08
|g pages:992-1008
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|u http://dx.doi.org/10.1111/nph.14591
|3 Volltext
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|d 215
|j 2017
|e 3
|b 26
|c 08
|h 992-1008
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