In
the
urbanization
development
trend,
constructing
inter-provincial
metropolitan
areas
has
gradually
become
an
important
pathway
for
China
to
implement
its
new
strategy.
Economic
in
inevitably
leads
ecological
degradation
and
fragmentation,
threatening
biodiversity.
A
reasonable
assessment
optimization
of
network
structure
can
effectively
improve
stability
regional
ecosystems
contribute
sustainable
urban
rural
environments.
this
study,
we
optimized
identification
sources
at
area
scale
by
‘MIE’
model
combined
with
threshold
analysis
method,
identified
core
Xuzhou
Metropolitan
Area,
a
typical
cross-provincial
China,
then
extracted
corridors
using
Linkage
Mapper
tool
based
on
method.
The
spatiotemporal
patterns
components
from
1990
2020
were
assessed,
was
performed
current
network.
results
show
that
expansion
caused
decentralized
layout
space
study
across
provincial
area,
uneven
distribution
east-dense
west-sparse
pattern
30
years.
Increased
interference
human
activities
decreased
landscape
dominance
resources
overall
fragmentation
habitats.
number
decreased,
average
length
increased,
difficulty
biological
flow
connectivity
accessibility
between
source
decreased.
α,
β,
γ
indices
increased
0.16,
0.46,
0.1,
respectively,
after
restoring
corridors.
This
provides
framework
areas,
which
is
great
significance
studying
similar
stages
development.
Forests,
Год журнала:
2025,
Номер
16(2), С. 331 - 331
Опубликована: Фев. 13, 2025
This
study
focuses
on
the
Xiaoxing’an
Mountains,
examining
evolution
of
ecological
security
patterns
and
suggesting
optimization
strategies
by
integrating
carbon
storage
landscape
connectivity,
using
multi-source
data
from
2000,
2010,
2020.
The
provides
a
comprehensive
assessment
region’s
estimating
stocks
InVEST
model,
analyzing
connectivity
through
MSPA,
spatially
extracting
corridors
nodes
circuit
theory.
key
findings
are
as
follows:
(1)
High-value
areas
for
primarily
concentrated
in
southeastern
northwestern
forested
mountain
regions;
(2)
Ecological
source
predominantly
southeast
dispersed
north,
with
total
area
peaking
2010
at
47,054.10
km2;
(3)
Northern
dense,
radiating
spider-web
pattern,
pinch
points
corridor
termini;
sparse,
mainly
short,
fewer
points;
(4)
barriers
increased
280%
over
past
20
years.
Four
major
barrier
zones
were
identified,
all
located
junction
forest
farmland
northwest,
composed
wetlands,
drylands,
rural
residential
areas;
(5)
Based
evolutionary
characteristics
Security
Pattern
years,
an
“axis,
two
belts,
four
zones,
multiple
cores”
planning
framework
was
proposed,
along
corresponding
strategies.
theoretical
support
practical
guidance
enhancing
regional
network
stability,
optimizing
strengthening
sink
functions.
Land,
Год журнала:
2025,
Номер
14(4), С. 768 - 768
Опубликована: Апрель 3, 2025
The
construction
of
ecological
networks
and
the
optimization
spatial
layouts
are
essential
for
maintaining
regional
security
promoting
sustainable
development,
especially
in
high-population-density
urban
agglomerations.
This
study
employs
Central
Plains
Urban
Agglomeration
(CPUA)
as
a
case
to
establish
an
network
through
quantitative
assessments
land
use/cover
change
(LUCC)
ecosystem
service
value
(ESV),
utilizing
morphological
pattern
analysis
(MSPA)
methods
tools
such
Linkage
Mapper
further
optimize
layouts.
findings
reveal
following:
(1)
use
structure
within
CPUA
experienced
notable
shifts.
magnitude
changes
ranked
follows:
>
cultivated
grassland
waterbody
forest
bare
land.
(2)
southwestern
mountainous
hilly
regions,
designated
high
ESV
areas,
primarily
rely
on
water
conservation
soil
retention
functions.
In
contrast,
central
western
characterized
by
low
ESVs,
dominated
land,
significantly
influenced
urbanization
agricultural
activities.
(3)
An
system
was
developed
based
region’s
natural
geographic
features,
incorporating
20
sources
covering
approximately
21,434.70
km2,
36
corridors
with
combined
length
around
2795.19
km.
extends
north–south
direction
parts
CPUA.
(4)
Considering
optimized
layout
“five
belts,
six
zones,
multiple
clusters,
corridors”
proposed,
along
differentiated
restoration
strategies
tailored
address
specific
issues
different
regions.
aims
harmonize
protection
economic
providing
scientific
foundation
valuable
reference
planning
policies.
Journal of Marine Science and Engineering,
Год журнала:
2024,
Номер
12(8), С. 1307 - 1307
Опубликована: Авг. 2, 2024
Ports
play
an
important
role
in
maintaining
the
effectiveness
of
maritime
logistics.
When
ports
encounter
congestion,
strikes,
or
natural
disasters,
container
transportation
network
might
be
significantly
affected.
The
Beibu
Gulf
sea
area
is
a
key
channel
to
supporting
China’s
participation
international
economic
cooperation
western
region.
It
highly
susceptible
influence
political
and
instability.
This
study
introduces
dual-component
framework
analyze
inherent
structure
potential
vulnerabilities
Sea
areas.
findings
show
that
core
layer
exhibited
circular
solidification
characteristics.
entire
heavily
relies
on
some
ports,
such
as
Haiphong
Port,
Ho
Chi
Minh
Qinzhou
it
highlights
increases
vulnerability.
finding
shows
deliberate
attacks
have
greater
impact
than
random
normal
operations
networks.
If
with
high
intermediary
centrality
are
attacked,
connectivity
efficiency
will
However,
under
circumstances,
redistributing
cargo
through
route
adjustments
can
deal
transmission
cascading
failures
maintain
network’s
resilience.
Based
existing
knowledge
data
collected
case
study,
this
research
stands
out
first
provide
critical
examination
spatial
vulnerability
shipping
networks
sea.
