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231225s2002 xx |||||o 00| ||eng c |
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|a 10.1046/j.1469-8137.2002.00479.x
|2 doi
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|a pubmed24n1080.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Wright, Ian J
|e verfasserin
|4 aut
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| 245 |
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|a Leaves at low versus high rainfall
|b coordination of structure, lifespan and physiology
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|c 2002
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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 • Across species, leaf lifespan (LL) tends to be correlated with leaf mass per area (LMA). Previously we found that Australian perennial species from low-rainfall sites had c . 40% shorter LL at a given LMA than high-rainfall species. • Here we relate indices of leaf strength (work to shear, W shear , and tissue toughness) to LL and LMA across the same suite of species. W shear is the work required to cut a leaf with a blade; W shear divided by leaf thickness gives tissue toughness. • Low- and high-rainfall species did not differ in their LL at a given W shear , but dry-site species had lower W shear at a given LMA, leading to the observed LL - LMA shift with rainfall. These patterns were driven by 50% lower tissue toughness in dry-site species. • The lower toughness was linked with high leaf N concentration, which is known to enhance water conservation during photosynthesis in low-rainfall species. Our results suggest that a significant cost of this strategy is reduced LL for a given investment in leaf tissue (LMA)
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a leaf lifespan (LL)
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| 650 |
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4 |
|a leaf mass per area
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| 650 |
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4 |
|a nitrogen use
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| 650 |
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4 |
|a sclerophylly
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| 650 |
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4 |
|a toughness
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| 650 |
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4 |
|a water use
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| 700 |
1 |
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|a Westoby, Mark
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 155(2002), 3 vom: 20. Sept., Seite 403-416
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:155
|g year:2002
|g number:3
|g day:20
|g month:09
|g pages:403-416
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| 856 |
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|u http://dx.doi.org/10.1046/j.1469-8137.2002.00479.x
|3 Volltext
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|d 155
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|h 403-416
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