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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1111/nph.13881
|2 doi
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|a pubmed25n0858.xml
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|a (NLM)26875784
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|a DE-627
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|e rakwb
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|a eng
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|a Guignard, Maïté S
|e verfasserin
|4 aut
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|a Genome size and ploidy influence angiosperm species' biomass under nitrogen and phosphorus limitation
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|c 2016
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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 08.03.2018
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|a Date Revised 05.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.
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|a Angiosperm genome sizes (GS) range c. 2400-fold, and as nucleic acids are amongst the most phosphorus- (P) and nitrogen (N)-demanding cellular biomolecules, we test the hypothesis that a key influence on plant biomass and species composition is the interaction between N and P availability and plant GS. We analysed the impact of different nutrient regimes on above-ground biomass of angiosperm species with different GS, ploidy level and Grime's C-S-R (competitive, stress-tolerant, ruderal) plant strategies growing at the Park Grass Experiment (Rothamsted, UK), established in 1856. The biomass-weighted mean GS of species growing on plots with the addition of both N and P fertilizer were significantly higher than that of plants growing on control plots and plots with either N or P. The plants on these N + P plots are dominated by polyploids with large GS and a competitive plant strategy. The results are consistent with our hypothesis that large genomes are costly to build and maintain under N and P limitation. Hence GS and ploidy are significant traits affecting biomass growth under different nutrient regimes, influencing plant community composition and ecosystem dynamics. We propose that GS is a critical factor needed in models that bridge the knowledge gap between biodiversity and ecosystem functioning
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a C-S-R strategy
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|a Park Grass
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|a genome size
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|a nitrogen
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|a nutrient limitation
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|a phosphate
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|a plant community
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|a polyploidy
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|a Fertilizers
|2 NLM
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|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 |
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|a Nichols, Richard A
|e verfasserin
|4 aut
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|a Knell, Robert J
|e verfasserin
|4 aut
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| 700 |
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|a Macdonald, Andy
|e verfasserin
|4 aut
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|a Romila, Catalina-Andreea
|e verfasserin
|4 aut
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| 700 |
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|a Trimmer, Mark
|e verfasserin
|4 aut
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|a Leitch, Ilia J
|e verfasserin
|4 aut
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|a Leitch, Andrew R
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 210(2016), 4 vom: 15. Juni, Seite 1195-206
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
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|g volume:210
|g year:2016
|g number:4
|g day:15
|g month:06
|g pages:1195-206
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|u http://dx.doi.org/10.1111/nph.13881
|3 Volltext
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