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@ARTICLE{Onoda:843580,
author = {Onoda, Yusuke and Wright, Ian J. and Evans, John R. and
Hikosaka, Kouki and Kitajima, Kaoru and Niinemets, Ülo and
Poorter, Hendrik and Tosens, Tiina and Westoby, Mark},
title = {{P}hysiological and structural tradeoffs underlying the
leaf economics spectrum},
journal = {The new phytologist},
volume = {214},
number = {4},
issn = {0028-646X},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2018-01165},
pages = {1447 - 1463},
year = {2017},
abstract = {The leaf economics spectrum (LES) represents a suite of
intercorrelated leaf traits concerning construction costs
per unit leaf area, nutrient concentrations, and rates of
carbon fixation and tissue turnover. Although broad
trade-offs among leaf structural and physiological traits
have been demonstrated, we still do not have a comprehensive
view of the fundamental constraints underlying the LES
trade-offs. Here, we investigated physiological and
structural mechanisms underpinning the LES by analysing a
novel data compilation incorporating rarely considered
traits such as the dry mass fraction in cell walls, nitrogen
allocation, mesophyll CO2 diffusion and associated
anatomical traits for hundreds of species covering major
growth forms. The analysis demonstrates that cell wall
constituents are major components of leaf dry mass
$(18–70\%),$ especially in leaves with high leaf mass per
unit area (LMA) and long lifespan. A greater fraction of
leaf mass in cell walls is typically associated with a lower
fraction of leaf nitrogen (N) invested in photosynthetic
proteins; and lower within-leaf CO2 diffusion rates, as a
result of thicker mesophyll cell walls. The costs associated
with greater investments in cell walls underpin the LES:
long leaf lifespans are achieved via higher LMA and in turn
by higher cell wall mass fraction, but this inevitably
reduces the efficiency of photosynthesis.},
cin = {IBG-2},
ddc = {580},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:28295374},
UT = {WOS:000402412500008},
doi = {10.1111/nph.14496},
url = {https://juser.fz-juelich.de/record/843580},
}