Remote Sensing,
Год журнала:
2024,
Номер
16(14), С. 2665 - 2665
Опубликована: Июль 21, 2024
The
Middle
Route
of
the
South-to-North
Water
Diversion
Project
is
a
critical
infrastructure
that
ensures
optimal
water
resource
distribution
across
river
basins
and
safeguards
livelihood
people
in
China.
This
study
investigated
its
effects
on
land
surface
temperature
(LST)
fractional
vegetation
coverage
(FVC)
Danjiang
River
Basin.
Moreover,
it
examined
spatial
temporal
patterns
this
project,
providing
scientific
basis
for
safe
supply
ecological
preservation.
We
used
improved
interpolation
mean
anomaly
(IMA)
method
based
digital
elevation
model
(DEM)
to
reconstruct
LST
while
FVC
was
estimated
using
image
element
dichotomous
model.
Our
findings
indicated
general
increase
average
Basin
post-project
implementation.
During
both
wet
dry
seasons,
cooling
effect
primarily
observed
south-central
region
during
daytime,
with
extreme
values
6.1
°C
5.9
°C.
Conversely,
nighttime,
more
prevalent
northern
region,
3.0
2.3
In
contrast,
warming
seasons
predominantly
located
5.3
5.5
At
night,
chiefly
5.8
displayed
seasonal
trend,
higher
season
overall
improvement
over
time.
Statistical
analysis
revealed
negative
correlation
between
change
daytime
variations
periods
(r
=
−0.184,
r
−0.195).
Furthermore,
significant
positive
existed
nighttime
changes
0.315,
0.328).
Overall,
project
contributed
regulating
LST,
fostering
development,
enhancing
stability
Remote Sensing,
Год журнала:
2025,
Номер
17(3), С. 488 - 488
Опубликована: Янв. 30, 2025
Net
primary
productivity
(NPP)
is
a
core
ecological
indicator
within
terrestrial
ecosystems,
representing
the
potential
of
vegetation
growth
to
offset
anthropogenic
carbon
emissions.
Thus,
assessing
NPP
in
given
region
crucial
for
promoting
regional
restoration
and
sustainable
development.
This
study
utilized
CASA
model
GEE
calculate
annual
average
Shandong
Province
(2001–2020).
Through
trend
analysis,
Moran’s
Index,
PLS−SEM,
spatiotemporal
evolution
driving
factors
were
explored.
The
results
show
that:
(1)
From
2001
2020,
showed
an
overall
increasing
trend,
rising
from
254.96
322.49
g
C·m⁻2/year.
shift
was
accompanied
by
gradual
eastward
movement
centroid,
indicating
significant
spatial
changes
productivity.
(2)
Regionally,
47.9%
experienced
improvement,
27.6%
saw
slight
20.1%
exhibited
degradation,
highlighting
notable
heterogeneity.
(3)
Driver
analysis
that
climatic
positively
influenced
across
all
four
periods
(2005,
2010,
2015,
2020),
with
strongest
impact
2015
(coefficient
=
0.643).
Topographic
such
as
elevation
slope
also
had
positive
effects,
peaking
at
0.304
2015.
In
contrast,
human
activities,
especially
GDP
nighttime
light
intensity,
negatively
impacted
NPP,
negative
effect
2010
−0.567).
These
findings
provide
valuable
scientific
evidence
ecosystem
management
offer
key
insights
development
strategies
national
level.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Март 31, 2024
Abstract
Assessing
the
effectiveness
of
vegetation
restoration
along
Yangtze
River
shoreline
and
exploring
its
relationship
with
land
use
changes
are
imperative
for
providing
recommendations
sustainable
management
environmental
protection.
However,
impact
post-implementation
Conservation
Project
remains
uncertain.
In
this
study,
utilizing
Sentinel-2
satellite
imagery
Dynamic
World
data
from
pre-
(2016)
post-
(2022)
periods,
pixel-based
binary
models,
transition
matrices,
geographically
weighted
regression
models
were
employed
to
analyze
status
evolution
coverage
shoreline.
The
results
indicated
that
there
had
been
an
increase
in
area
covered
by
high
high-medium
levels.
proportion
cover
shifting
better
was
4201.87
km
2
(35.68%).
Hotspots
improvement
predominantly
located
River.
Moreover,
areas
witnessing
enhanced
experienced
notable
changes,
notably
conversion
water
crops
(126.93
,
22.79%),
trees
(59.93
10.76%),
built
10.76%).
Notably,
between
emerged
as
a
significant
factor
influencing
improvement,
average
coefficients
0.68
0.50,
respectively.
These
outcomes
underscore
significance
study
guiding
ecological
protection
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Июль 17, 2024
L.
(tobacco)
has
extremely
high
economic
value,
medicinal
scientific
research
value
and
some
other
uses.
Though
it
been
widely
cultivated
throughout
the
world,
classification
change
of
its
suitable
habitats
is
not
that
clear,
especially
in
context
global
warming.
In
order
to
achieve
rational
cultivation
sustainable
development
tobacco,
current
(average
from
1970-2000)
future
(2070,
average
2061-2080)
potential
Ecological Indicators,
Год журнала:
2024,
Номер
162, С. 112040 - 112040
Опубликована: Апрель 18, 2024
Grasslands
are
important
terrestrial
ecosystems
and
key
sources
of
primary
productivity
for
livestock
on
Earth.
It
is
very
to
clarify
the
trend
balance
between
grassland
sustainable
development.
Focusing
unique
alpine
ecosystem
that
widely
distributed
in
Tibetan
Plateau
(TP),
we
assessed
carrying
capacity
(GCC)
overgrazing
2000,
2010
2020
considering
productivity,
forage
utilization
different
types,
loss
from
diseases
pests
actual
grazing
intensity.
Structural
equation
modelling
was
used
analyse
multifactor
interactive
driving
mechanism
changes
GCC
overgrazing.
The
results
showed
1)
From
2000
2020,
although
total
area
decreased
slightly,
amounts
edible
forage,
utilization,
pests,
increased
by
21.29%,
21.08%,
22.25%
15.90%,
respectively.
2)
first
intensified
then
alleviated
TP,
but
there
a
serious
grass-livestock
imbalance
(overgrazing
ratio
119%
2020),
with
80%
its
counties
being
overgrazed
2020.
3)
climate
change
ecological
protection
created
synergistic
effects
TP.
Climate
warming
wetting
directly
raised
indirectly
benefited
promoting
restoration
protection.
Alleviation
shifted
direct
effect
an
indirect
through
enhancing
GCC.
contribution
gradually
declined
as
social
economic
development
relied
less
nature
over
time.
Our
study
quantitatively
reveals
dynamic
has
implications
grasslands
regions
such
where
fragile
vulnerable
impact
human
activities.
Water,
Год журнала:
2025,
Номер
17(8), С. 1134 - 1134
Опубликована: Апрель 10, 2025
Understanding
the
impact
of
drought
on
water
use
efficiency
(WUE)
grasslands
is
essential
for
comprehending
mechanisms
carbon–water
cycle
in
context
global
warming.
Nevertheless,
cumulative
and
lagged
effects
WUE
across
different
grassland
types
China
remain
unclear.
This
study
investigates
from
1982
to
2018.
We
employed
Sen-MK
trend
test
correlation
analysis
identify
primary
factors
influencing
temporal
WUE.
The
results
indicated
that
Chinese
grasslands,
various
types,
exhibited
an
upward
over
time,
with
most
rapid
increase
observed
meadow.
Drought
had
both
WUE,
lasting
average
5.2
months
6.1
months.
Specifically,
lasted
5.6
alpine
subalpine
meadow,
slope,
desert
grassland,
whereas
9
plain
grassland.
Furthermore,
influence
varied
intensified
increasing
altitude.
trends
impacts
aridity
index
(AI)
zones
were
consistent
those
as
a
whole.
Our
findings
underscore
response
their
distinct
primarily
characterized
by
effects.
research
provides
important
reference
value
enhancing
stability
ecosystems.
