Ecological Indicators,
Год журнала:
2022,
Номер
138, С. 108794 - 108794
Опубликована: Март 23, 2022
Rapid
and
disordered
urbanization
has
created
a
fragmented
landscape,
the
urban–rural
fringe
(URF),
which
led
to
degradation
of
ecological
connections
between
urban
areas
rural
hinterlands.
The
security
network
(ESN)
offers
significant
advantages
for
restoring
interrupted
processes.
However,
classic
ESN
construction
approaches
are
ineffective
in
URF
when
applied
highly
complex
landscape.
In
this
paper,
new
approach
stepwise
is
proposed,
integrates
basic
connecting
create
an
optimized
ESN.
Taking
Xiamen
as
case
study,
elements
were
extracted
reclassified
construction.
scarcity
transitional
patches
complexity
land
cover
responsible
lack
corridors.
final
consisted
19
source
nodes
with
7
structural
corridors,
22
8
Moreover,
performance
spatial
coverage
both
significantly
improved
after
optimization.
optimal
buffer
widths
structural,
connecting,
corridors
600
m,
180
120
respectively.
This
paper
provides
operational
framework
adapted
well
management
guidance
policymakers.
It
can
support
decisions
regulating
growth
outlining
protection
areas,
thus
contributing
sustainable
development.
Scientific Reports,
Год журнала:
2021,
Номер
11(1)
Опубликована: Июль 7, 2021
Abstract
Since
the
implementation
of
Chinese
economic
reforms.
The
habitat
quality
coastal
has
gradually
deteriorated
with
development,
but
concept
"ecological
construction"
slowed
negative
trend.
For
quantitative
analysis
correlation
between
Pearl
River
Delta
urban
expansion
and
changes
in
under
influence
policy,
we
first
analyzed
change
based
on
InVEST
model
then
measured
impact
construction
land
through
index
(HQCI)
contribution
(CI)
indicators.
Finally,
urbanization
level
was
evaluated
using
geographically
weighted
regression
(GWR)
Self-organizing
feature
mapping
neural
network
(SOFM).
results
indicated
that:
(1)
during
study
period
from
2000
to
2020,
declined
due
sprawl,
indicating
a
deterioration
ecological
structure
function,
decrease
most
significant
2010.
(2)
had
effect
quality,
have
improved
after
2000,
reflecting
positive
policies
such
as
civilization
(3)
degree
varies
greatly
among
cities
area:
Shenzhen,
Dongguan,
Foshan,
Zhongshan
best
green
development.
These
reflect
role
prevention
damage
caused
by
development
provide
reference
for
formulation
sustainable
spatial
differences.
Ecological Indicators,
Год журнала:
2022,
Номер
143, С. 109313 - 109313
Опубликована: Авг. 28, 2022
Carbon
neutrality,
achieved
by
increasing
carbon
sinks,
is
an
effective
strategy
for
solving
the
increasingly
serious
global
climate
change
problem.
The
continuous
exploitation
of
resources
has
damaged,
original
ecosystem
mining
cities
leading
to
poor
vegetation
growth
environment
and
decreased
regional
sink
capacity.
Therefore,
it
crucial
restore
enhance
ecological
region
strengthen
capacity
vegetation.
However,
studies
on
spatial
network
optimization
are
few.
Here,
we
constructed
Xuzhou
City,
a
city
in
China,
using
modified
minimal
cumulative
resistance
model
(MCR).
Subsequently,
calculated
topological
properties
nodes
City
combining
complex
theory
with
proposed
scheme
optimize
landscape
space
based
conditions.
functionality
sources
was
determined
coupling
results
Functional
description
Remote
Sensing
Index
(RSEI)
integral
index
connectivity
(dIIC).
sinks
were
estimated
land
use
indicators
correlated
sinks.
showed
significant
positive
correlation
betweenness
centricity.
We
accordance
sources.
Finally,
effect
robustness
sink.
stability
optimized
restoration
significantly
improved,
while
simultaneously
enhanced.
Through
national
construction
projects,
renewal
can
effectively
cities,
thus
achieve
goal
neutrality.
This
study
provides
theoretical
measure
reference
future
engineering
cities.
Additionally,
also
be
applied
remote
sensing
promote
urban
development
sustainability.
Ecological Indicators,
Год журнала:
2023,
Номер
150, С. 110251 - 110251
Опубликована: Апрель 17, 2023
Ecological
network
construction
and
optimization
is
an
effective
way
to
balance
the
contradiction
between
regional
development
ecological
protection
in
process
of
urbanization.
The
urban–rural
fringe
both
a
frontier
zone
direction
urban
expansion
important
space
for
improving
environment.
However,
there
are
few
studies
on
how
construct
optimize
networks
fringe.
In
this
paper,
morphological
spatial
pattern
analysis
(MSPA)
minimum
cumulative
resistance
model
(MCR)
were
firstly
employed
initially
reveal
characteristics
problems
security
study
area.
Then,
new
strategy
with
multi-scenario
coupling
gradient
zoning
was
proposed
meet
maximization
integrated
benefits
future
protection.
results
show
that:
(1)
Urbanization
caused
high
fragmentation
patches,
exerted
strong
hindrance
processes.
(2)
distribution
constructed
extremely
uneven,
communication
north–south
severely
difficult.
optimized
significantly
improved
respect,
priority
corridors
will
also
help
strengthen
gradient.
(3)
connectivity
accessibility
Licheng
District,
enhanced
its
structure,
which
promote
overall
cycle
better
balanced
(4)
Policy
makers
should
implementation
green
forest
belts
achieve
This
can
provide
scientific
references
biodiversity
conservation,
infrastructure
planning,
sustainable
Ecological Indicators,
Год журнала:
2024,
Номер
160, С. 111783 - 111783
Опубликована: Фев. 28, 2024
The
expansion
of
human
activities
has
significantly
increased
ecological
risks,
which
threaten
the
security
ecosystems.
This
paper
takes
Northeast
China,
a
national
typical
barrier
region,
as
case
study
to
explore
evolution
environment
under
various
future
development
scenarios.
Considering
complexity
assessments,
comprehensive
approach
integrating
methods
is
employed.
includes
Patch-based
Land
Use
Simulation
(PLUS)
model,
Integrated
Valuation
Ecosystem
Services
and
Trade-offs
(InVEST)
landscape
risk
assessment
index
system,
Space
Minimum
Cumulative
Resistance
(MCR)
among
others.
These
are
used
dynamically
assess
changes
in
land
use,
(LER),
layout
networks.
An
integrated
framework
proposed
for
identifying,
constructing,
optimizing
network
(ESN).
results
show
that
LER
China
presents
"high
middle,
low
around"
distribution
characteristic.
High
areas
mainly
distributed
water
bodies
construction
lands
with
high
fragmentation
isolation,
while
primarily
forest
belt
Inner
Mongolia
grassland
lower
vulnerability
separation.
From
2000
2020,
increased,
manifested
Greater
Lesser
Khingan
Range
northern
part
region.
Forecast
indicate
significant
differences
LERs
ESN
different
socio-economic
Under
protection
(EP)
scenario,
average
0.2215.
area
source
302,405.56
km2,
length
corridors
179,024.71
km,
339
nodes
410
breakpoints
identified.
Compared
natural
(ND)
urban
(UC)
scenarios,
EP
scenario
shows
lowest
most
ideal
ESN.
provides
reference
resource
optimization
restoration
China.
Abstract
Context
Designing
and
optimizing
ecological
security
pattern
(ESP)
is
an
effective
solution
to
formulate
landscape
planning.
The
commonly
used
network
analysis
for
ESP
optimization
abstracts
sources
corridors
as
homogeneous
nodes
edges,
ignoring
the
differentiated
patch
stability.
Objectives
It
aimed
construct
considering
function,
explore
relationship
of
stability
connectivity
conservation
objectives,
optimize
with
integration
two
objectives.
Methods
We
proposed
a
framework
constructing
based
on
ecosystem
health
human
footprint,
robustness
analysis.
Land
use
conflict
node/
edge
removal
method
were
further
assess
connectivity,
respectively.
Results
Ningxia
was
composed
71
covering
area
10970.25
km
2
,
150
3950.88
.
along
Yellow
River
had
high
but
low
while
largest
source
both
values
indicators.
With
robustness,
global
efficiency,
equivalent
decreased
from
1,
0.29,
342.80
0,
variation
trends
three
indicators
under
different
scenarios
inconsistent.
There
distinct
trade-off
between
objectives
connectivity.
Conclusions
This
study
highlighted
how
balance
in
Our
can
provide
guidance
planners
without
losing
information
due
element
abstraction
