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@ARTICLE{MartnSanz:864045,
author = {Martín-Sanz, Ruth C. and San-Martín, Roberto and Poorter,
Hendrik and Vázquez, Antonio and Climent, José},
title = {{H}ow {D}oes {W}ater {A}vailability {A}ffect the
{A}llocation to {B}ark in a {M}editerranean {C}onifer?},
journal = {Frontiers in Functional Plant Ecology},
volume = {10},
issn = {1664-462X},
address = {Lausanne},
publisher = {Frontiers Media88991},
reportid = {FZJ-2019-03960},
pages = {607},
year = {2019},
abstract = {Bark thickness is a key structural feature in woody plants
in the protection against fire. We used 19 provenances of
Pinus halepensis, an obligate-seeder species, in a
replicated common garden at two environments contrasting in
water availability to assess the interacting effects of site
environment and population in the relative allocation to
bark, expecting lower allocation at the drier site.
Secondly, given the average fire frequency, we analyzed
whether trees reached the critical absolute thickness soon
enough for population persistence via aerial seed bank. Our
analyses indicated that trees at the moister site allocated
a rather fixed quantity of resources independent of tree
size, and almost all populations reached critical absolute
bark thickness to eventually survive fire. In contrast, at
the drier site allocation to bark reduced with tree size,
and most populations did not reach the critical bark
thickness. Populations from areas with higher fire frequency
had thicker basal bark, while those from areas with severe
droughts and short vegetative periods, had thinner bark. In
conclusion, drought-stressed trees have a higher risk to die
from fires before achieving reproduction and building a
sufficient aerial seed bank.},
cin = {IBG-2},
ddc = {570},
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:31164894},
UT = {WOS:000468395000001},
doi = {10.3389/fpls.2019.00607},
url = {https://juser.fz-juelich.de/record/864045},
}