Remote Sensing,
Год журнала:
2024,
Номер
16(19), С. 3604 - 3604
Опубликована: Сен. 27, 2024
Vegetation
net
primary
productivity
(NPP)
is
a
key
indicator
for
assessing
vegetation
dynamics
and
carbon
cycle
balance.
Xinjiang
located
in
an
arid
ecologically
fragile
region
northwest
China,
but
the
current
understanding
of
still
limited.
This
study
aims
to
analyze
Xinjiang’s
NPP
spatial
temporal
trends,
using
random
forest
regression
quantify
extent
which
climate
change
human
activities
affect
productivity.
CMIP6
(Coupled
Model
Intercomparison
Project
Phase
6)
scenario
data
help
assess
restoration
potential
future
risks.
Our
findings
indicate
that
(1)
exhibits
significant
increasing
trend
from
2001
2020,
with
three-quarters
experiencing
increase,
2.64%
area
showing
decrease
(p
<
0.05),
Ili
River
Basin
nonsignificant
decreasing
trend;
(2)
precipitation
radiation
are
major
drivers
variations,
contribution
ratios
35.13%
30.17%,
respectively;
(3)
noteworthy
exists
on
Tian
Shan
northern
slope
Irtysh
Basin,
where
average
potentials
surpass
80%
relative
while
has
highest
risk.
explores
factors
influencing
Xinjiang,
aiming
provide
references
risk
mitigation,
thereby
promoting
sustainable
ecological
development
Xinjiang.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 10, 2025
Vegetation
productivity
and
ecosystem
carbon
sink
capacity
are
significantly
influenced
by
seasonal
weather
patterns.
The
time
lags
between
changes
in
these
patterns
(including
vegetation)
responses
is
a
critical
aspect
vegetation-climate
ecosystem-climate
interactions.
These
can
vary
considerably
due
to
the
spatial
heterogeneity
of
vegetation
ecosystems.
In
this
study
focused
on
source
regions
Yangtze
Yellow
Rivers
(SCRYR),
we
utilized
long-term
datasets
Net
Primary
Productivity
(NPP)
model-estimated
Ecosystem
(NEP)
from2015
2020,
combined
with
reconstructed
8-day
scale
climate
sequences,
conduct
partial
correlation
regression
analysis
(isolating
influence
individual
meteorological
factors
lag
effects).
found
that
length
effects
varies
depending
regional
topography,
types,
sensitivity
their
ecological
environments
factors.
region
River
(SCR),
times
for
NPP
NEP
response
temperature
(Tem)
longer,
compared
(SYR),
where
generally
less
than
10
days.
long
precipitation
(Pre),
ranging
from
50
60
days,
were
primarily
concentrated
northwestern
part
SCR,
while
precipitation,
34
48
covered
broad
western
area.
exhibits
least
solar
radiation
(SR),
exceeding
54
days
99.30%
region.
contrast,
showed
varying
respect
SR:
short
(ranging
0
15
days)
observed
areas,
55
64
evident
areas.
highest
SVL,
followed
C3A,
PW,
BDS,
C3
descending
order.
This
examined
spatiotemporal
impacts
climatic
drivers
both
perspectives.
findings
crucial
enhancing
sequestration
at
important
water
sources
China.
Land,
Год журнала:
2025,
Номер
14(4), С. 708 - 708
Опубликована: Март 26, 2025
Owing
to
climate
change
and
increasing
resource
competition,
elucidating
the
control
mechanism
of
cultivated
land
productivity
stability
is
essential.
Previous
research
has
focused
on
anthropogenic
or
climatic
factors
individually,
overlooking
their
combined
effects;
therefore,
“climate–anthropogenic”
framework
was
constructed.
Net
primary
(NPP)
employed
measure
investigate
impact
in
Poyang
Lake
from
2001
2022.
Results
revealed
that
NPP
increased
but
fluctuated
significantly
higher
southern
than
north.
The
low
spatial
distribution
fluctuation
area
concentrated
periphery
Lake,
riverbank
comprised
middle
high
areas,
Ganjiang
River
Delta
exhibited
fluctuation.
Multiple
linear
regression
analysis
indicated
positively
impacted
by
farmland
river
proximity
average
patch
fractal
dimension
affected
negatively
annual
precipitation.
Stable
production
improved
utilization
efficiency
requires
irrigation
drainage
system
optimization
adaptability
change.
Moreover,
fragmentation
should
be
reduced,
resilience
external
disturbances
enhanced.
Forests,
Год журнала:
2025,
Номер
16(4), С. 588 - 588
Опубликована: Март 28, 2025
Under
the
dual
pressures
of
climate
change
and
rapid
urbanization,
a
comprehensive
analysis
vegetation’s
spatiotemporal
patterns
their
driving
forces
plays
pivotal
role
for
addressing
global
ecological
challenges.
However,
systematic
bibliometric
analyses
in
this
field
remain
limited.
This
study
involved
18,270
related
publications
from
1989
to
2024
retrieved
Web
Science
SCI-Expanded
database,
elucidating
research
trends,
methodologies,
key
thematic
areas.
Utilizing
bibliometrix
biblioshiny
tools,
results
reveal
an
annual
average
growth
rate
17.62%
number
published
articles,
indicating
expansion.
Climate
emerged
as
core
force,
with
high-frequency
keywords
such
“vegetation”,
“dynamics”,
“variability”.
China
(18,687
papers),
United
States
(14,502
Germany
(3394
papers)
are
leading
contributors
domain,
showing
fastest
output,
albeit
relatively
lower
citation
rates.
Core
journals,
including
Remote
Sensing
Environment
Global
Change
Biology,
have
played
roles
advancing
vegetation
dynamics
research,
remote
sensing
techniques
dominating
field.
The
highlights
shift
single-variable
(e.g.,
temperature,
precipitation)
multi-scale
multidimensional
approaches
around
2010.
Regional
studies,
those
focusing
on
Loess
Plateau,
gaining
importance,
while
advancements
machine
learning
technologies
enhanced
precision
scalability
research.
provides
summary
current
state
development
trends
forces,
offering
valuable
insights
future
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 22, 2024
Net
primary
productivity
(NPP)
is
an
important
parameter
reflecting
vegetation
growth,
and
water
one
of
the
necessary
factors
for
growth.
Investigating
mutual
influence
between
NPP
significant
ensuring
stable
development
ecological
environment.
This
study
focuses
on
Yangtze
River
Basin
(YRB)
as
research
area,
based
medium-resolution
imaging
spectrometer
(MODIS)
data,
climate
gravity
recovery
experiment
(GRACE)
spatiotemporal
evolution
characteristics
terrestrial
storage
(TWS)
in
YRB
from
2000
to
2022
are
explored
analyzes
with
TWS.
The
results
show
that
(4.10
gC·m−2·a−1)
TWS
(0.55
mm)
have
exhibited
increasing
trend
2022,
a
strong
correlation
two,
which
related
recent
environmental
policies.
Analysis
impact
reveals
temperature
significantly
positively
changes.
Furthermore,
comparisons
indicate
changes
substantially
promote
plant
In
addition,
comparison
indicates
promoting
effect
Surface
(SWS)
soil
(SM)
but
lag,
while
consumption
groundwater
(GWS)
has
been
growth
without
lag.
