Die-off after an extreme hot drought affects trees with physiological performance constrained by a more stressful abiotic niche
Agricultural and Forest Meteorology,
Journal Year:
2025,
Volume and Issue:
363, P. 110430 - 110430
Published: Feb. 7, 2025
Language: Английский
Linking remotely sensed growth-related canopy attributes to interannual tree-ring width variations: A species-specific study using Sentinel optical and SAR time series
ISPRS Journal of Photogrammetry and Remote Sensing,
Journal Year:
2025,
Volume and Issue:
221, P. 347 - 362
Published: Feb. 20, 2025
Language: Английский
Global Change Impacts on Forest Elementomes and Insights for Improved Management Practices
Current Climate Change Reports,
Journal Year:
2025,
Volume and Issue:
11(1)
Published: March 6, 2025
Language: Английский
Evolutionary history shapes plant elementome and biogeochemical niches in a forest-steppe ecotone
Peng He,
No information about this author
Yanyan Ni,
No information about this author
Jordi Sardans
No information about this author
et al.
Plant and Soil,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Language: Английский
BpMAPK3‐mediated BpWRKY53 phosphorylation enhances Betula platyphylla drought stress tolerance by increasing flavonoid content
Wenfang Dong,
No information about this author
Qingjun Xie,
No information about this author
Jiaxin Li
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et al.
The Plant Journal,
Journal Year:
2025,
Volume and Issue:
121(6)
Published: March 1, 2025
The
increasing
intensity,
frequency,
and
duration
of
drought
pose
a
threat
to
the
survival
some
tree
species
worldwide,
directly
damaging
carbon
sequestration
capacity
forest
ecosystems.
Understanding
response
mechanisms
trees
stress
is
particularly
important.
In
this
study,
regulatory
network
in
Betula
platyphylla
(birch)
was
established
by
observing
changes
root
transcriptome
at
different
time
points
(0,
3,
6,
24,
48,
72
h),
potential
drought-resistant
WRKY53
transcription
factor
identified.
overexpression
BpWRKY53
(OE-BpWRKY53)
birch
enhanced
tolerance.
Yeast
one
hybrid
(Y1H),
electrophoretic
mobility
shift
assay
(EMSA),
chromatin
immunoprecipitation-PCR
(ChIP-PCR),
dual-luciferase
(dual-LUC)
assays
confirmed
that
positively
activated
BpCHS3
BpCHSy
expression
binding
W-box
their
promoter,
consequently
flavonoid
content
birch.
Exogenous
application
flavonoids
enhances
tolerance
BpMAPK3-mediated
phosphorylation
Ser201
its
ability
regulate
BpCHSy.
Collectively,
these
results
provide
insights
into
mechanism
underlying
drought-induced
biosynthesis
through
transcriptional
regulation
mediated
BpWRKY53.
Language: Английский
Does long-term drought or repeated defoliation affect seasonal leaf N cycling in young beech trees?
Catherine Massonnet,
No information about this author
Pierre-Antoine Chuste,
No information about this author
Bernhard Zeller
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et al.
Tree Physiology,
Journal Year:
2024,
Volume and Issue:
44(6)
Published: May 21, 2024
Forest
trees
adopt
effective
strategies
to
optimize
nitrogen
(N)
use
through
internal
N
recycling.
In
the
context
of
more
recurrent
environmental
stresses
due
climate
change,
question
remains
whether
increased
frequency
drought
or
defoliation
threatens
this
recycling
strategy.
We
submitted
8-year-old
beech
2
years
either
severe
(Dro)
manual
(Def)
create
a
state
starvation.
At
end
second
year
before
leaf
senescence,
we
labeled
foliage
Dro
and
Def
trees,
as
well
that
control
(Co)
with
15N-urea.
Leaf
resorption,
winter
tree
storage
(total
N,
15N,
amino
acids,
soluble
proteins)
remobilization
in
spring
were
evaluated
for
three
treatments.
Defoliation
did
not
significantly
impact
foliar
resorption
concentrations
organs
winter.
Total
amounts
remained
close
those
Co
tree,
but
was
stored
branches
than
trunk
roots.
amount
drastically
reduced
(-55%),
especially
at
level,
protein
fine
roots
compared
trees.
During
spring,
15N
mobilized
from
trunk,
twigs
both
support
growth.
It
only
provided
twig
thus
resulting
extremely
amounts.
Our
results
suggest
stress-induced
changes
occur
metabolism
varying
severity
depending
on
constraints:
within-tree
transport
strategy
changed
response
defoliation,
whereas
soil
water
deficit
induced
drastic
reduction
all
organs.
Consequently,
dysfunction
could
be
involved
drought-induced
mortality
under
future
climate.
Language: Английский
Mistletoe-induced carbon, water and nutrient imbalances are imprinted on tree rings
Tree Physiology,
Journal Year:
2024,
Volume and Issue:
44(9)
Published: Aug. 19, 2024
Abstract
Mistletoes
are
xylem-tapping
hemiparasites
that
rely
on
their
hosts
for
water
and
nutrient
uptake.
Thus,
they
impair
tree
performance
in
the
face
of
environmental
stress
via
altering
carbon
relations
nutritional
status
trees.
To
improve
our
understanding
physiological
responses
to
mistletoe
ongoing
climate
change,
we
investigated
radial
growth,
stable
oxygen
isotopic
signals,
elemental
composition
rings
silver
fir
(Abies
alba
Mill.)
Scots
pine
(Pinus
sylvestris
L.)
forests
infested
with
Viscum
album
L.
We
compared
temporal
series
(1990–2020)
basal
area
increment
(BAI),
intrinsic
water-use
efficiency
(iWUE),
isotope
(δ18O),
concentrations
stoichiometric
ratios
between
non-infested
(NI)
severely
(SI)
trees
from
populations
located
close
xeric
distribution
limit
species
north-eastern
Spain.
The
SI
showed
historically
higher
but
BAI
trend
was
negative
more
than
three
decades
before
2020
growth
rates
became
significantly
lower
those
NI
by
mid-2010s.
Mistletoe
infestation
related
an
enhanced
sensitivity
vapour
pressure
deficit
(atmospheric
drought).
less
pronounced
iWUE
increases
(fir)
values
(pine)
tree-ring
δ18O
may
be
result
several
superimposed
effects
operating
simultaneously,
including
leaf-level
evaporative
enrichment,
source
anatomical
phenological
differences.
observed
a
deterioration
potassium
(K)
nutrition
wood
both
trees,
along
accumulation
manganese
(Mn).
suggest
such
patterns
driven
indirect
effect
mistletoe-induced
drought
stress,
particularly
pine.
combined
analyses
different
indicators
imprinted
provided
evidence
progressive
onset
carbon,
imbalances
mistletoe-infested
conifers
inhabiting
seasonally
dry
regions.
Language: Английский
Nitrogen addition alleviates water loss of Moso bamboo (Phyllostachys edulis) under drought by affecting light-induced stomatal responses
Xi-pin Wu,
No information about this author
Xiaomin Gao,
No information about this author
Ruichang Zhang
No information about this author
et al.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
938, P. 173615 - 173615
Published: May 28, 2024
Language: Английский
Large physiological plasticity of water- and nutrient-use traits in Quercus ilex L. within and across populations: Implications for Mediterranean forest persistence under global change
Environmental and Experimental Botany,
Journal Year:
2024,
Volume and Issue:
unknown, P. 106053 - 106053
Published: Nov. 1, 2024
Language: Английский
Suitable Tree Species for Afforestation in Semiarid China: Evidence from Tree Stem Growth Monitoring
Mei Wu,
No information about this author
Di Tian,
No information about this author
Liang Shi
No information about this author
et al.
Forests,
Journal Year:
2024,
Volume and Issue:
16(1), P. 50 - 50
Published: Dec. 30, 2024
Each
tree
species
occupies
its
own
ecological
niche
along
biogeographic
gradients.
Selecting
suitable
with
the
principle
of
matching
specific
habitats
is
therefore
vital
importance
for
ensuring
success
and
efficiency
afforestation,
especially
in
harsh
ecoregions.
Therefore,
if
suitability
trees
to
target
area
not
carefully
considered
selection
afforestation
species,
establishment
plantation
may
achieve
desired
effect.
Hence,
evaluate
trees’
fitness
different
environments
an
altitude
gradient
then
select
semiarid
China,
we
investigated
stem
growth
most
common
typical
types,
including
larch
(Larix
principis-rupprechtii),
pine
(Pinus
sylvestris)
birch
(Betula
pendula),
at
low,
middle
high
altitudes
(~1400
m,
1500
m
1600
respectively),
via
high-resolution
dendrometers
2021.
We
found
that
had
highest
rate
cumulative
amount
lower,
rather
than
higher,
altitude,
while
showed
opposite
pattern.
Compared
two
conifers,
secondary
much
lower.
Water
stress-related
climatic
variables
during
growing
season,
relative
humidity
vapor
pressure
deficit,
explained
variation
among
these
three
(33%~44%).
Specifically,
revealed
higher
sensitivity
atmospheric
water
demand
factors
indicated
stronger
drought
tolerance.
These
results
potential
mortality
decline
risk
plantations
climate
becoming
warmer
drier,
low
China.
There
are
challenges
using
reforestation
areas
environmental
conditions.
Language: Английский