Urbanization
has
led
to
a
reduction
in
green
space,
weakening
the
region’s
carbon
sink
capacity
and
stability
bringing
series
of
ecological
problems,
making
restoration
improvement
environment
crucial.
This
study
used
Nanjing,
China,
as
case
construct
an
network
by
applying
Morphological
Spatial
Pattern
Analysis
(MSPA)
Linkage
Mapper
(LM)
tool
based
on
circuit
theory.
The
connectivity
patches
was
evaluated
calculating
delta
potential
index
(dPC).
CASA
model
(Carnegie–Ames–Stanford
approach)
applied
quantify
sequestration
Nanjing.
We
propose
innovative
(CSI)
that
integrates
three
indicators:
capacity,
efficiency,
variability.
assesses
function
from
both
static
dynamic
perspectives.
Using
Future
Land
Use
Simulation
(FLUS)
model,
we
simulated
changes
2035,
providing
insights
for
risk
assessment
future
optimization
strategies.
results
reveal
significant
positive
correlation
between
node
indicating
enhancing
at
key
nodes
can
effectively
improve
its
sequestration.
On
this
basis,
coupling
dPC
CSI
indices
classify
nodes,
proposed
four
strategies
optimization:
conservation,
structural
connectivity,
improvement,
synergistic
enhancement.
Finally,
adding
26
stepping
stones,
32
corridors,
optimizing
landscape
components,
achieved
dual
improvements
functional
aspects
network.
After
optimization,
increased
1.6%
3.82%,
demonstrating
improvement.
emphasizes
protecting,
enhancing,
restoring
spaces,
urban
networks
be
improved.
These
findings
provide
valuable
scientific
management
spaces
urbanized
areas.
Remote Sensing,
Год журнала:
2023,
Номер
15(16), С. 4050 - 4050
Опубликована: Авг. 16, 2023
Studying
the
spatiotemporal
distribution
pattern
of
carbon
storage,
balancing
land
development
and
utilization
with
ecological
protection,
promoting
urban
low-carbon
sustainable
are
important
topics
under
China’s
“dual
strategy”
(Carbon
emissions
stabilize
harmonize
natural
absorption).
However,
existing
research
has
paid
little
attention
to
impact
use
changes
different
spatial
policies
on
provincial-scale
ecosystem
storage.
In
this
study,
we
established
a
density
database
for
Liaoning
Province
obtained
temporal
storage
over
past
20
years.
Then,
based
16
driving
factors
multiple
in
Province,
predicted
cover
(LUCC)
three
scenarios
2050
analyzed
characteristics
response
mechanisms
scenarios.
The
results
showed
that
(1)
LUCC
directly
affected
35.61%
increase
construction
decrease
0.51
Tg
20-year
period.
(2)
From
2020
2050,
varied
significantly
among
trend
scenario
(NTS),
restoration
(ERS),
economic
priority
(EPS),
values
2112.05
Tg,
2164.40
2105.90
respectively.
Carbon
exhibited
positive
growth,
mainly
due
substantial
forest
area.
(3)
was
characterized
by
“low
center,
high
east,
balanced
west”.
Therefore,
can
consider
rationally
formulating
strictly
implementing
policy
protection
future
planning
so
as
control
disorderly
growth
land,
realize
area,
effectively
enhance
ensure
realization
goal
strategy”.
Ecological Indicators,
Год журнала:
2023,
Номер
151, С. 110345 - 110345
Опубликована: Май 11, 2023
Land
use/cover
change
(LUCC)
is
the
primary
source
of
carbon
storage
changes
in
ecosystem.
Up
to
now,
there
are
few
studies
about
impacts
and
driving
mechanisms
LUCC
for
ecosystem
at
spatial–temporal
scales.
Characterizing
Yellow
River
Basin
(YRB)
its
role
very
important
necessary
elucidate
results
human
activities
on
ecosystems.
The
policies
address
potential
future
risks
should
be
formulated
advance
achieve
effective
development.
In
paper,
we
regarded
YRB
as
study
area,
analyzed
during
2000
2020,
predicted
land
use
patterns
2040
under
scenarios
natural
trend
(NT),
ecological
degradation
(ED),
restoration
(ER)
using
Markov
model
with
Patch-generating
Use
Simulation
(PLUS)
model,
quantified
ecosystems
over
last
20
years
according
Integrated
Valuation
Ecosystem
Services
Tradeoffs
(InVEST)
model.
outcome
was
follows:
(1)
During
2040,
changed
markedly,
cropland
being
transformed
into
woodland,
grassland
built-up
land;
(2)
an
upward
a
mean
annual
increase
1.93×106Mg
C,
woodland
answer
increasing
storage,
while
unused
could
induce
decrease;
(3)
Carbon
varied
different
degrees
three
scenarios,
but
premise
not
causing
large-scale
damage,
conversion
means
improving
greatly
enhancing
sequestration
efficiency
capacity
YRB.
conclusion,
environmental
management
continuously
oriented
protection
low-carbon
development,
so
that
basin
will
able
develop
benign
direction.
Ecological Indicators,
Год журнала:
2024,
Номер
158, С. 111604 - 111604
Опубликована: Янв. 1, 2024
Constructing
a
resilient
ecological
network
(EN)
and
identifying
critical
strategic
nodes
corridors
within
the
EN,
stands
as
pivotal
approach
toward
achieving
harmonious
equilibrium
between
regional
development
conservation.
It
is
imperative
to
expand
perspective
encompass
holistic
resilience
of
thus
safeguarding
ecologically
that
play
roles
throughout
entire
network.
Therefore,
this
study
takes
Nanjing
City
case
establishes
comprehensive
EN
assessment
framework
based
on
theory
complex
theory,
grounded
in
foundation
multidimensional
indicators.
Building
upon
this,
research
develops
‘regional
simulation
-
spatial
analysis
identification’
investigative
framework.
The
results
show
core
structure
centered
around
green
spaces,
rivers,
lakes,
similar
features
has
taken
shape,
encompassing
total
39
69
corridors.
Examining
from
six
perspectives,
connectivity,
integration,
complexity,
centrality,
efficiency,
substitutability,
their
integrated
assessment,
analyzed
impact
single
sequential
failures
different
component
spaces
overall
EN.
aimed
identify
space
significantly
contributes
network's
resilience.
As
result,
was
divided
into
three
levels.
source
areas
1,
2,
7,
34,
along
with
1–34,
1–4,
4–11,
19–34,
18–19,
27–39,
emerge
primary
region.
Previous
primarily
emphasized
individual
characteristics
spaces.
However,
adopts
systemic
rooted
meticulously
explore
specific
system
Moreover,
it
amalgamates
considerations
both
significance
scale
conducting
combined
influence
This
not
only
aids
preserving
but
also
evaluating,
planning,
restoring
progression
plays
crucial
role
establishing
an
advancement