Plant Cell & Environment,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 10, 2024
The
driving
forces
of
transpiration
are
not
only
atmospheric
evaporation
but
also
root
zone
water
supply
and
stomatal
regulation
among
species.
However,
the
biophysiological
drivers
remain
incompletely
understood
in
heterogeneous
karst
habitats.
This
study
investigated
commonly
coexisting
tree
species
Mallotus
philippensis
Celtis
biondii
two
typical
habitats:
rock-dominated
(RD)
habitat
control
soil-dominated
(SD)
habitat.
Over
2
years,
soil
moisture,
transpiration,
distribution,
leaf
potential
were
measured.
results
showed
that
moisture
RD
was
significantly
lower
than
SD
Transpiration
patterns
differed
between
habitats,
with
species-specific
distinctions
driven
by
traits.
M.
small
hydroscape
areas
its
system
mainly
distributed
both
isohydric
behaviour
density
drove
to
reduce
response
deficiency.
Conversely,
C.
had
large
roots
capable
penetrating
bedrock.
It
transpired
higher
relying
on
ample
accessible
through
anisohydric
having
a
more
robust
bedrock
zones
Our
highlights
critical
role
accessibility
iso/anisohydric
tendencies
transpiration.
Forests,
Год журнала:
2025,
Номер
16(5), С. 767 - 767
Опубликована: Апрель 30, 2025
This
study
aimed
to
understand
the
difference
in
forest
transpiration
(T)
between
slope
positions
and
separate
contributions
of
main
influencing
factors
improve
accuracy
estimation
at
scale
by
up-scaling
results
measured
plot
scale,
especially
semiarid
regions
with
significant
soil
moisture
differences
along
positions.
Two
plots
larch
plantation
were
established,
one
lower
position
another
upper
a
northwest-facing
area
Liupan
Mountains
northwest
China.
The
sap
flow
velocity
(JS,
mL·cm−2·min−1)
sample
trees,
meteorological
parameters
open
field,
water
potential
root
zone
(0–60
cm)
monitored
simultaneously
growing
season
(from
July
September)
2015.
However,
only
data
59
selected
effective
days
used,
after
excluding
rainfall
missing
data.
Based
on
relative
(the
ratio
instantaneous
its
daily
peak
value),
impacts
terrain
shading
varying
quantitatively
disentangled.
reduction
JS
plot,
attributed
shading,
exhibited
positive
linear
correlation
solar
radiation
intensity.
Conversely,
demonstrated
quadratic
functional
relationship
differential
two
plots.
Subsequently,
employing
whereby
is
equivalent
product
sapwood
area,
we
conducted
quantitative
analysis
potential,
their
interaction
disparity
total
was
41.91
mm
slightly
higher
than
that
(37.38
mm),
indicating
small
(4.53
mm)
due
offsetting
effects
multiple
factors.
When
taking
as
reference,
increased
for
16.40
mm,
while
three
decreased
6.61,
2.86,
2.40
respectively,
making
net
increase
4.53
mm.
pilot
under
given
conditions
location,
soil,
climate,
vegetation,
stand
slopes
are
follows:
(soil
potential)
>
structure
(sapwood
area)
(terrain
shading)
all
All
these
should
be
considered
accurate
prediction
through
from
measurement
regions.
Plants,
Год журнала:
2025,
Номер
14(11), С. 1717 - 1717
Опубликована: Июнь 4, 2025
The
relationship
between
plants
and
their
environment
has
always
been
a
core
issue
in
ecological
research.
This
study
about
how
plant
architecture
leaf
traits
respond
to
environmental
changes
helps
more
deeply
understand
the
adaptive
mechanisms
of
diverse
environments.
Although
there
have
related
studies,
systematic
analysis
on
China-wide
scale
is
still
lacking.
To
address
this
gap,
we
conducted
meta-analysis
115
studies
across
China
examining
architectural
trait
responses
changes.
dataset
includes
849
observations
11
variables,
such
as
mean
annual
precipitation,
temperature,
soil
type,
elevation,
evaluates
effects
seven
key
traits.
results
indicated
that
variations
height,
diameter
at
breast
height
(DBH),
root-to-shoot
ratio
are
primarily
influenced
by
type
precipitation.
In
contrast,
sunshine
duration
mainly
affected
specific
area
(SLA),
area,
thickness,
dry
matter
content.
Moreover,
while
magnitude
varies
property
gradients,
impacts
change
particularly
pronounced
under
extreme
conditions.
provides
robust
scientific
evidence
for
understanding
growth
offers
valuable
insights
into
conservation
sustainable
use
resources.
