Multi-Scenario Simulation and Assessment of Ecological Security Patterns: A Case Study of Poyang Lake Eco-Economic Zone
Yuke Song,
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Mangen Li,
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Linghua Duo
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et al.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(9), P. 4017 - 4017
Published: April 29, 2025
Ecological
security
is
integral
to
national
strategies,
making
the
construction
of
ecological
patterns
essential
for
mitigating
risks.
However,
predictive
research
on
(ESPs)
remains
limited.
This
study
integrates
Patch-generating
Land
Use
Simulation
(PLUS)
model
with
pattern
analysis
provide
scientific
insights
into
spatial
governance
and
optimization
in
Poyang
Lake
Economic
Zone
(PLEEZ).
First,
PLUS
simulated
land
use
changes
2030
under
three
scenarios:
natural
development
(ND),
economic
(ED),
protection
(EP).
Based
these
projections,
were
constructed
using
Integrated
Valuation
Ecosystem
Services
Tradeoffs
(InVEST)
model,
Morphological
Spatial
Pattern
Analysis
(MSPA)
method,
Conefor
2.6,
Minimum
Cumulative
Resistance
(MCR)
resistance
theory.
The
results
indicate:
(1)
19,
18,
21
source
areas
identified
different
scenarios,
covering
6093.16
km2,
5973.21
6702.56
respectively,
9,
8,
10
important
sites,
primarily
north.
(2)
37,
35,
43
corridors
delineated,
exhibiting
a
spiderweb-like
distribution.
(3)
94,
62,
107
pinch
points
116,
121,
104
barrier
detected.
Node
Aggregation
Area
was
as
critical
zone
targeted
restoration.
Finally,
zoning
management
strategy
“Four
Cores,
Two
Zones,
One
Belt”
proposed.
offers
valuable
sustainable
planning
risk
mitigation.
Language: Английский
Human–Nature Relationships in Country Parks at the Urban–Rural Fringe: A Case Study of the Huitian Region, Beijing
Zongyuan Li,
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Aibo Jin,
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Weijie Zhuang
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et al.
Land,
Journal Year:
2025,
Volume and Issue:
14(5), P. 1086 - 1086
Published: May 16, 2025
Urban
green
spaces
face
increasing
pressure
to
reconcile
ecological
conservation
with
rising
public
demand
as
urbanization
accelerates.
Yet
the
spatial
coupling
of
human
needs
and
natural
provisioning
in
urban–rural
fringe
remains
insufficiently
understood.
Focusing
on
country
park
cluster
Beijing’s
Huitian
region,
this
study
develops
an
integrated
assessment
framework—combining
importance,
connectivity
potential,
construction
suitability,
recreational
demand—to
evaluate
nature
suitability
pinpoint
mismatches
human–nature
interactions.
Ecological
importance
is
quantified
through
sensitivity
analysis
InVEST-based
habitat-quality
modeling,
while
potential
estimated
via
normalized
least-cost
corridor
analysis.
Construction
derived
from
proportion
artificial
surfaces
road
network
density,
measured
by
population
concentration,
facility
transport
accessibility.
These
metrics
are
synthesized
map
nature-suitability
patterns
reveal
divergences
between
provisioning.
The
results
show
a
pronounced
north–south
gradient
Dongxiaokou
Ditch
Forest
Park
emerging
hotspots.
Nineteen
source
patches
identified,
strongest
southern
sector
Park.
Areas
high
coincide
well-developed
infrastructure,
whereas
clusters
around
Tiantongyuan
Beiqing
Road.
Natural
elements
intertwine
form
core
870.74
hm2,
yet
13.29%
area
exhibits
mismatches—particularly
residential
zones
lacking
green-space
access.
Over-development
within
Recreation
likewise
falls
short
expectations.
offers
targeted
recommendations—ecological
protection,
optimization,
enhancement,
integration
multifunctional
infrastructure—and
provides
transferable
framework
for
coordinating
systems
other
contexts.
Language: Английский