Water,
Journal Year:
2025,
Volume and Issue:
17(2), P. 241 - 241
Published: Jan. 16, 2025
Water
use
efficiency
(WUE)
plays
a
pivotal
role
in
connecting
the
carbon
and
water
cycles
represents
amount
of
used
by
plants
or
ecosystems
to
achieve
sequestration.
The
response
WUE
climate
warming
its
underlying
mechanisms
remain
unclear.
Here,
we
examined
effects
varying
levels
on
fluxes,
an
alpine
peatland,
with
Blysmus
sinocompressus
Carex
secbrirostris
as
dominant
species.
Open-top
chambers
were
utilized
simulate
two
warming:
low-level
(TL)
high-level
(TH).
dioxide
fluxes
monitored
over
growing
season
(June
September).
Gradient
significantly
decreased
both
gross
primary
productivity
(GPP)
net
ecosystem
exchange
(NEE);
GPP
was
10.05%
13.31%
lower
NEE
21.00%
30.00%
TL
TH
treatments,
respectively,
than
control.
Warming
had
no
significant
effect
soil
evaporation,
plant
transpiration
evapotranspiration
36.98%
23.71%
higher
treatment
control,
respectively;
this
led
decreases
31.38%
28.17%
canopy
(WUEc)
(WUEe),
respectively.
Plant
main
factor
affecting
WUEe
WUEc
warming.
findings
underscore
essential
function
regulating
enhance
our
understanding
carbon–water
coupling
under
change.
Global Biogeochemical Cycles,
Journal Year:
2024,
Volume and Issue:
38(7)
Published: July 1, 2024
Abstract
Anthropogenic
inputs
of
nitrogen
(N)
and
phosphorus
(P)
to
terrestrial
ecosystems
alter
soil
nutrient
cycling.
However,
the
global‐scale
responses
P
fractions
N
their
underlying
mechanisms
remain
elusive.
We
conducted
a
global
meta‐analysis
based
on
818
observations
from
99
field
addition
experiments
in
forest,
grassland,
cropland
ranging
temperate
tropical
zones.
Our
revealed
distinct
enrichment.
For
studies
using
Chang
Jackson
inorganic
(Pi)
method,
we
found
that
high
promoted
transformation
immobile
Pi
into
Ferrum/Aluminum‐bound
available
surface
soils
through
acidification.
this
acid‐induced
by
was
observed
only
Calcium‐rich
soils,
while
acidic
further
acidification
led
increase
binding.
In
contrast,
additions
alone
or
combined
with
significantly
increased
all
fractions.
Regarding
Hedley
fractions,
generally
decreased
labile
organic
enhancing
acid
phosphatase
activity.
The
other
were
influenced
pH,
fertilization
rates,
ecosystem
type,
factors.
most
Overall,
both
fractionation
methods
consistently
demonstrate
deplete
accelerate
cycling,
alleviating
limitation.
These
findings
are
crucial
for
predicting
effects
future
atmospheric
deposition
cycling
processes.
Water,
Journal Year:
2025,
Volume and Issue:
17(2), P. 241 - 241
Published: Jan. 16, 2025
Water
use
efficiency
(WUE)
plays
a
pivotal
role
in
connecting
the
carbon
and
water
cycles
represents
amount
of
used
by
plants
or
ecosystems
to
achieve
sequestration.
The
response
WUE
climate
warming
its
underlying
mechanisms
remain
unclear.
Here,
we
examined
effects
varying
levels
on
fluxes,
an
alpine
peatland,
with
Blysmus
sinocompressus
Carex
secbrirostris
as
dominant
species.
Open-top
chambers
were
utilized
simulate
two
warming:
low-level
(TL)
high-level
(TH).
dioxide
fluxes
monitored
over
growing
season
(June
September).
Gradient
significantly
decreased
both
gross
primary
productivity
(GPP)
net
ecosystem
exchange
(NEE);
GPP
was
10.05%
13.31%
lower
NEE
21.00%
30.00%
TL
TH
treatments,
respectively,
than
control.
Warming
had
no
significant
effect
soil
evaporation,
plant
transpiration
evapotranspiration
36.98%
23.71%
higher
treatment
control,
respectively;
this
led
decreases
31.38%
28.17%
canopy
(WUEc)
(WUEe),
respectively.
Plant
main
factor
affecting
WUEe
WUEc
warming.
findings
underscore
essential
function
regulating
enhance
our
understanding
carbon–water
coupling
under
change.
