Land Degradation and Development,
Journal Year:
2023,
Volume and Issue:
35(4), P. 1437 - 1448
Published: Dec. 9, 2023
Abstract
Appropriate
forest
thinning
measures
can
mitigate
the
conflicting
relationship
between
past
excessive
afforestation
and
current
increasing
regional
water
deficiency
in
dryland
ecosystems.
However,
since
blind
intervention
landscapes
may
incur
additional
economic
costs
cause
loss
of
ecosystem
services,
drylands
mostly
exists
scientific
discussions
is
seldom
implemented
reality.
In
this
study,
we
propose
an
advanced
technical
route
to
predict
spatial
arrangement
potential
locations
under
different
policy
scenarios.
Taking
Shanxi
Province
China
as
a
case
simulated
eight
scenarios
for
stakeholders
assess
benefits
after
future.
The
results
show
that
deficit
533
million
m
3
could
potentially
be
mitigated
by
means
thinning.
Under
scenarios,
thinned
area
ranged
from
1142.91
1195.47
km
2
,
which
would
result
soil
1.77–3.02
/year
carbon
sequestration
3.15–3.24
t/year.
Considering
both
conservation
food
security
help
minimize
direct
capacity
maintain
sustainable
landscape
pattern.
method
used
decision
support
tool
identify
resulting
consequences
scarcity
conditions
making
adaptive
optimization
decisions.
International Journal of Digital Earth,
Journal Year:
2023,
Volume and Issue:
16(1), P. 2233 - 2258
Published: June 14, 2023
Previous
studies
have
confirmed
the
time-lagged
and
cumulative
effects
of
drought
anthropogenic
activities
on
vegetation
growth,
but
these
focus
effect
are
poorly
known
how
productivity
responds
to
activities.
Here,
based
reconstructed
Normalized
Difference
Vegetation
Index,
Standardized
Precipitation
Evapotranspiration
Index
land
use
degree
comprehensive
index,
we
diagnosed
spatiotemporal
pattern
drought,
investigated
over
China
through
month
where
maximum
correlation
coefficient
occurred.
It
revealed
that
browning
trend
32.21%
vegetated
lands
was
covered
by
overall
greening,
especially
in
northwestern
China.
Drought
intensified
with
a
rate
0.0014/year.
66.41%
54.57%
had
response
shorter
timescales
1–4
months,
indicating
higher
sensitivity
growth
drought.
There
U-shaped
relationship
between
moisture
conditions
time.
49.9%
China's
showed
activities,
longer
6–10
years,
demonstrating
triggered
ecological
changes
ecosystems
cannot
keep
pace.
The
accumulated
years
declined
increased
intensity.
Earth s Future,
Journal Year:
2024,
Volume and Issue:
12(3)
Published: March 1, 2024
Abstract
China
has
undertaken
extensive
ecological
restoration
(ER)
projects
since
the
late
1970s
in
drylands,
dominating
greening
of
drylands.
The
greening,
especially
ER‐induced,
can
affect
regional
water
availability
and
even
cause
hydrological
unsustainability
(i.e.,
lead
to
a
negative
shift
ecosystem
supply
demand
balances).
However,
there
is
still
limited
research
on
accurately
identifying
hydrologically
unsustainable
areas
(GA)
China's
Here,
we
developed
an
supply‐demand
indicator,
namely,
self‐sufficiency
(WSS),
defined
as
ratio
precipitation.
Using
remote
sensing
multisource
synthesis
data
sets
combined
with
trend
analysis
time
series
detection,
conducted
spatially
explicit
assessment
sustainability
risk
drylands
context
ER
over
period
1987–2015.
results
showed
that
17.15%
(6.36
×
10
4
km
2
)
GA
faced
WSS
(indicating
unsustainability),
mainly
Inner
Mongolia,
Shanxi,
Xinjiang
provinces,
driven
by
evapotranspiration.
Moreover,
29.34%
(1.09
5
GA,
whose
area
roughly
double
exhibited
potential
shortage
significant
decline
(−0.014
yr
−1
),
concentrated
Shaanxi,
Gansu
provinces.
reliability
our
findings
was
demonstrated
through
previous
studies
at
local
scale
soil
moisture
changes.
Our
offer
precise
grid‐scale
identification
providing
more
specific
spatial
guidance
for
implementation
adaptation
Journal of Advances in Modeling Earth Systems,
Journal Year:
2025,
Volume and Issue:
17(2)
Published: Feb. 1, 2025
Abstract
The
large
variation
in
net
ecosystem
productivity
(NEP)
with
forest
age
was
dominated
by
the
dynamics
of
primary
(NPP)–which
turn
determined
different
response
slopes
gross
(GPP)
and
autotrophic
respiration
(Ra)
age.
However,
only
few
models
can
comprehensively
represent
impacts
global
changes
including
land‐use
change,
climate
nitrogen
deposition,
atmospheric
CO
2
from
perspective
ecological
processes.
Based
on
a
process‐based
model
(CEVSA‐ES)
that
included
these
changes,
we
developed
an
carbon
sink
assessment
considering
(CEVSA‐AgeD)
using
satellite‐based
relationships
between
GPP
(or
Ra)
to
constrain
photosynthesis
Subsequently,
used
data‐fusion
framework
combined
flux
observations
calibrate
model.
calibrated
CEVSA‐AgeD
performed
well
simulating
seasonal
(R
values
for
GPP,
respiration,
NEP
were
0.86,
0.79,
0.66,
respectively)
annual
0.83,
0.77,
0.67,
respectively).
magnitude
average
China
estimated
this
0.35
±
0.005
TgC/yr
2001
2021,
which
close
previous
estimates,
forests
increased
87–92
TgC/yr.
These
results
indicate
fluxes
at
site
regional
scales
it
necessary
incorporate
effect
cycling
processes
into
models.
Progress in Physical Geography Earth and Environment,
Journal Year:
2023,
Volume and Issue:
47(5), P. 792 - 807
Published: May 15, 2023
The
UN
Decade
of
Ecosystem
Restoration
(2021–2030)
provides
a
new
momentum
for
scaling
up
ecosystem
restoration
efforts
to
landscape
restoration.
China’s
recent
experience
with
transformative
investment
in
invaluable
guidance
the
world.
We
retrospectively
reviewed
scientific
evidence
on
responses
physical,
ecological,
and
social
processes
under
geographic
heterogeneity
obtained
four
experiences
lessons.
First,
forest
has
successfully
promoted
vegetation
growth
enlarged
carbon
sink.
Second,
reduced
local
water
yield,
while
regional
rainfall
are
still
not
clear.
Third,
conditions
soil
erosion
habitat
quality
were
largely
improved
by
restoration,
decreases
moisture
streamflow
demonstrated
significant
trade-offs
among
services.
Last,
geographical
differentiation
existed
livelihoods
strategies,
win‒win
solutions
between
human
development
nature
improvement
different
contexts
uncertain.
summarize
three
additional
questions
as
future
prospects:
what
is
scale
thresholds
prevent
overshoot
cascading
negative
ecological
effects?
people’s
prior
needs
from
nature?
considering
that
there
may
be
no
universal
pathways,
how
promote
co-benefits
based
human–nature
relationships?
