Frontiers in Ecology and Evolution,
Год журнала:
2024,
Номер
12
Опубликована: Ноя. 12, 2024
Ecosystem
services
(ES)
such
as
carbon
storage
(CS),
soil
conservation
(SC),
habitat
quality
(HQ),
and
water
yield
(WY)
play
a
crucial
role
in
maintaining
ecological
balance
supporting
sustainable
regional
development.
With
increasing
environmental
changes,
understanding
the
spatiotemporal
dynamics
of
these
their
driving
factors
has
become
essential
science.
This
study
focuses
on
Nanchang
metropolitan
area,
quantifying
CS,
SC,
HQ,
WY
from
2000
to
2020.
It
explores
impacts
major
factors,
including
climate,
topography,
social
aspects,
spatial
heterogeneity
ES.
The
results
reveal
that
between
2020,
CS
HQ
decreased
by
0.1385×108
tons/ha
0.0507,
respectively,
while
SC
increased
2.4754×10
9
1.6668×10
10
m
3
,
respectively.
Notable
exists
correlation
changes
distribution
ESs
is
higher
mountainous
regions
compared
central
plains.
Among
human
population
(POP)
gross
domestic
product
(GDP)
predominantly
influenced
whereas
climate
POP
drove
SC.
Changes
were
primarily
affected
topography.
These
findings
suggest
need
focus
key
formulate
targeted
land
policies
aimed
at
enhancing
ES
value
area.
Water,
Год журнала:
2024,
Номер
16(18), С. 2650 - 2650
Опубликована: Сен. 18, 2024
The
Han
River
Ecological
Economic
Belt
(HREEB)
has
a
substantial
amount
of
water
resources;
however,
its
distribution
is
uneven,
and
issues
such
as
seasonal
engineering
shortages
are
prevalent.
This
necessitates
thorough
assessment
the
current
resource
situation
trends
in
carrying
capacity
(WRCC)
to
provide
scientific
support
for
rational
allocation
resources.
study
employed
RAGA-PP
model
establish
WRCC
evaluation
index
system
composed
four
subsystems:
resources,
economy,
society,
ecological
environment.
17
major
cities
HREEB
was
evaluated
from
2008
2022.
differentiation
method
introduced
compare
reliability
with
three
methods:
entropy
weight
TOPSIS
method,
rank
sum
ratio
principal
component
analysis
method.
In
addition,
an
obstacle
degree
analyze
factors
influencing
enhancement.
results
indicated
following.
(1)
test
models,
found
have
highest
value,
showed
that
it
more
reliable
HREEB.
(2)
underwent
significant
changes
between
(3)
Shiyan
Wuhan,
which
located
eastern
part
HREEB,
were
high
Hubei,
low
Henan,
satisfactory
Shaanxi.
(4)
subsystems
exhibited
fluctuating
obvious
internal
variations.
(5)
problems
guideline
layer
consistent
across
all
limited
per
capita
resources
being
primary
issue
indicator
layer.
Assessing
essential
achieving
sustainable
use
high-quality
regional
development.
Land Degradation and Development,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 10, 2024
ABSTRACT
To
study
the
connection
between
land
use
and
regional
ecological
carbon
stocks,
predicting
future
evolution
of
understanding
trends
changes
in
stocks
are
essential
to
environmental
protection
sustainable
development.
However,
within
ecosystems
driven
by
land‐use
land‐cover
change
(LUCC)
characterized
large
uncertainties.
This
took
Tianshan
North
Slope
Economic
Belt
Xinjiang
Autonomous
Region,
China,
as
an
example
investigate
spatiotemporal
their
relationship
with
LUCC,
used
11
variables
a
Geo
Detector
model
analyze
drivers
spatial
differentiation
stocks.
We
trained
six
predict
under
natural
development
scenario
(NDS)
(EPS)
2030.
The
following
results
were
obtained:
(1)
was
dominated
unused
20‐year
period
(2000–2020).
Grassland
showed
continuous
decrease;
decreased
then
increased,
while
others
continued
increase.
most
drastic
for
cropland,
which
7785
km
2
(an
increase
39.76%),
grassland
reduced
9402
(a
decrease
9.05%).
(2)
Carbon
increasing
decreasing
trend,
overall
2.05
×
10
6
t.
distribution
more
centralized
southwest,
showing
slice‐like
bands,
higher
values
irregular
form
northeastern
portion
region.
(3)
NDS
reached
1427.50
5
t,
6.26
t
compared
2020;
EPS,
they
1427.79
6.29
mainly
due
conversion.
Therefore,
restoration
should
continue
be
strengthened
future.
(4)
NDVI
soil
erosion
had
strong
explanatory
power
variability
There
two‐factor
nonlinear
enhancement
interaction
different
factors,
indicating
that
human
factors
enhance
explanation
variation,
can
applied
Forests,
Год журнала:
2024,
Номер
16(1), С. 32 - 32
Опубликована: Дек. 27, 2024
Net
primary
productivity
(NPP)
is
a
key
metric
for
evaluating
ecosystem
carbon
sink
capacity
and
defining
vegetation.
Despite
extensive
research
on
vegetation
NPP,
much
relies
coarse
spatial
resolution
data,
which
often
overlooks
regional
heterogeneity,
causing
inaccuracies
in
NPP
estimates.
Therefore,
this
study
employed
the
improved
CASA
model,
based
GF-SG
kNDVI
methods,
to
estimate
at
30
m
Zoigê
Plateau
from
2001
2020.
The
effects
of
anthropogenic
climatic
factors
were
quantified
through
residual
partial
correlation
analyses.
These
results
indicated
following:
(1)
NDVI
derived
fusion
method
aligns
closely
with
Landsat
(R2
≈
0.9).
When
contrasted
using
alone,
incorporating
into
model
enhances
assessment
accuracy.
(2)
Vegetation
has
fluctuated
upward
by
2.09
gC·m−2·a−1
over
last
two
decades,
higher
values
centrally
lower
edges.
(3)
Monthly
analysis
indicates
almost
no
temporal
response
temperature
(97.42%)
but
significant
cumulative
precipitation
(80.3%),
longer
accumulation
periods
south.
Annual
reveals
that
correlates
more
strongly
than
precipitation.
(4)
changes
are
jointly
influenced
climate
change
(48.46%)
human
activities
(51.54%),
latter
being
dominant
factor.
This
deepens
understanding
dynamics
offers
insights
estimating
high
spatial-temporal
resolutions.
E3S Web of Conferences,
Год журнала:
2024,
Номер
528, С. 03016 - 03016
Опубликована: Янв. 1, 2024
The
control
of
carbon
emission
is
great
significance
to
environmental
protection.
Transport
accounts
for
about
10%
total
emissions.
Therefore,
energy
conservation
and
reduction
in
the
transportation
sector
have
become
critically
important.
This
study
takes
30
provinces
China
as
examples
uses
a
panel
VAR
(PVAR)
model
impact
various
factors
on
emissions
from
aspects
supply
demand.In
terms
supply,
structure,
investment,
road
density
are
key
factors,
their
impacts
dynamic.On
demand
side,
industrial
per
capita
GDP,
urbanization
rate
major
influencers.
Specifically,
openness
levels
drive
east,
GDP
central
region,
structure
west.
paper
will
provide
concrete
feasible
policy
suggestions
characteristic
emission.
Frontiers in Ecology and Evolution,
Год журнала:
2024,
Номер
12
Опубликована: Ноя. 12, 2024
Ecosystem
services
(ES)
such
as
carbon
storage
(CS),
soil
conservation
(SC),
habitat
quality
(HQ),
and
water
yield
(WY)
play
a
crucial
role
in
maintaining
ecological
balance
supporting
sustainable
regional
development.
With
increasing
environmental
changes,
understanding
the
spatiotemporal
dynamics
of
these
their
driving
factors
has
become
essential
science.
This
study
focuses
on
Nanchang
metropolitan
area,
quantifying
CS,
SC,
HQ,
WY
from
2000
to
2020.
It
explores
impacts
major
factors,
including
climate,
topography,
social
aspects,
spatial
heterogeneity
ES.
The
results
reveal
that
between
2020,
CS
HQ
decreased
by
0.1385×108
tons/ha
0.0507,
respectively,
while
SC
increased
2.4754×10
9
1.6668×10
10
m
3
,
respectively.
Notable
exists
correlation
changes
distribution
ESs
is
higher
mountainous
regions
compared
central
plains.
Among
human
population
(POP)
gross
domestic
product
(GDP)
predominantly
influenced
whereas
climate
POP
drove
SC.
Changes
were
primarily
affected
topography.
These
findings
suggest
need
focus
key
formulate
targeted
land
policies
aimed
at
enhancing
ES
value
area.
