Land,
Journal Year:
2024,
Volume and Issue:
13(12), P. 2139 - 2139
Published: Dec. 9, 2024
The
processes
of
urbanization
and
climate
change
have
exerted
a
marked
influence
on
net
primary
productivity
(NPP).
However,
the
underlying
mechanisms
that
drive
these
effects
remain
intricate
insufficiently
understood.
both
an
adverse
effect
habitat
quality
(HQ)
biodiversity
loss.
HQ
has
direct
health
stability
ecosystems,
which
regulate
level
NPP.
A
higher
is
associated
with
stronger
Now,
quantification
assessment
impacts
NPP
are
still
challenging
because
various
driving
factors
influencing
production
terrestrial
vegetation.
Therefore,
new
perspective
was
adopted
to
study
in
Qinghai–Tibet
Plateau
China
during
2000–2020.
spatiotemporal
analysis
method
employed
investigate
impact
night
light
index
different
regions
(the
divided
into
five
levels,
each
area
type
corresponding
specific
level).
Then,
coupled
coordination
model
(CCD)
used
analyze
coupling
relationship
between
HQ.
Finally,
relative
contribution
studied
using
scenario
simulation.
results
showed
(1)
whole
Tibetan
increased
very
little,
average
growth
rate
0.42
g
C
m⁻2
per
year.
(2)
It
surprising
find
urban
areas
did
not
decline
significantly
as
result
urbanization.
there
notable
areas.
(3)
mean
found
be
17%,
while
other
69%
14%,
respectively.
These
findings
provide
valuable
insights
interactions
human
development
environmental
factors,
enhancing
our
comprehension
their
role
Plateau’s
carbon
cycle.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
154, P. 110701 - 110701
Published: July 25, 2023
Carbon
dioxide
emission
is
an
important
driving
factor
of
global
warming
and
it
has
threatened
the
ecological
environment
human
survival.
Among
them,
land
use
led
to
significant
carbon
emissions
that
profoundly
affect
climate
system
change.
The
Yellow
River
Basin
(YRB)
one
regions
with
most
concentrated
contradictions
in
population,
resources,
China;
thus,
studying
current
situation
(LUCE)
for
mitigating
warming,
promoting
coordinated
reduction
among
different
basin,
achieving
conservation
high-quality
development
YRB.
This
study
based
on
socio-economic
data,
carried
out
from
perspective
social
network
analysis.
spatiotemporal
variation
LUCE
YRB
was
analyzed
using
coefficient
method.
spatial
spillover
effects
were
discussed
analysis
methods.
PLUS
model
used
simulate
differences
under
scenarios.
results
indicate
that:
(1)
showed
increasing
trend
during
period,
distribution.
(2)
There
a
effect
correlation
between
cities
network,
superior
economic
had
greater
impact
other
cities.
(3)
In
2030,
protection
scenario,
lowest,
2.7
×
106
tons
compared
natural
further
illustrating
importance
land.
Compared
previous
studies,
this
explores
various
new
On
hand,
makes
prediction
2030
by
setting
research
have
broadened
application
scope
methods,
practical
significance
major
river
basins
scientifically
formulating
policies.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(5), P. 790 - 790
Published: Feb. 24, 2024
Vegetation
greening
is
time-dependent
and
region-specific.
The
uncertainty
of
vegetation
under
global
warming
has
been
highlighted.
Thus,
it
crucial
to
investigate
its
response
climate
change
at
the
regional
scale.
Yellow
River
Basin
(YRB)
a
vital
ecological
barrier
in
China
with
high
vulnerability
climatic
sensitivity.
relationship
between
YRB
relative
contribution
remain
be
explored.
Using
Enhanced
Index
(EVI)
meteorological
observation
data,
spatiotemporal
patterns
across
basin
sub-regional
scales
from
2000
2020
were
analyzed.
impact
human
activities
on
was
further
quantified.
Results
showed
that
approximately
92%
had
experienced
greening,
average
annual
growing
season
rates
0.0024
0.0034
year–1,
respectively.
Greening
particularly
prominent
central
eastern
YRB.
Browning
more
prevalent
urban
areas
intensity
activities,
occupying
less
than
6.3%
total
basin,
but
this
proportion
increased
significantly
seasonal
scales,
especially
spring.
Regional
positively
correlated
overall
warmer
wetter
climate,
partial
correlation
coefficients
EVI
precipitation
higher
those
temperature.
However,
varied
among
different
sub-regions.
combined
effects
conducive
84.5%
during
season,
while
stronger
change.
contributions
browning
65.15%
70.30%,
respectively,
mainly
due
promotion
rehabilitation
programs
inhibition
urbanization
construction
projects.
Remote Sensing,
Journal Year:
2023,
Volume and Issue:
15(21), P. 5212 - 5212
Published: Nov. 2, 2023
Net
primary
production
(NPP)
serves
as
a
crucial
indicator
of
the
ecosystem’s
capacity
to
capture
atmospheric
CO2.
Gaining
insights
into
dynamics
NPP
and
its
driving
mechanisms
is
pivotal
for
optimizing
ecosystem
carbon
sink
resource
management.
Since
implementation
Grain-for-Green
Program
(GFGP)
in
1999,
Yellow
River
Basin
(YRB)
has
been
one
most
significant
areas
ecological
restoration
China.
However,
our
knowledge
regarding
interannual
variability
(IAV)
underlying
forces
this
region
remains
incomplete.
In
study,
we
utilized
light
use
efficiency
model
assess
spatiotemporal
dynamics,
IAV,
factors
YRB
during
period
from
1999
2018.
Our
findings
revealed
that
average
annual
approximated
189.81
Tg
C.
Over
study
duration,
significantly
increased
79.63%
basin
with
an
overall
increasing
rate
6.76
g
C
m−2
yr−1.
The
prominent
increase
was
observed
key
GFGP
area,
predominantly
semi-humid
region.
Notably,
middle
altitude
(1–1.5
km),
region,
grassland
emerged
contributors
basin’s
total
vegetation
sequestration.
it
worth
emphasizing
there
substantial
IAV
temporal
trends
NPP,
being
influential
contributor
(62.66%)
YRB.
Further
analysis
unveiled
precipitation
driver
contribution
62.9%,
followed
by
temperature
(23.07%)
radiation
(14.03%).
Overall,
deepened
understanding
under
restoration,
provided
scientific
support
management
regional
sequestration
resources.
