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.
Global Ecology and Conservation,
Год журнала:
2021,
Номер
26, С. e01472 - e01472
Опубликована: Янв. 26, 2021
With
the
rapid
development
of
urbanization,
disorderly
expansion
land
use
for
urban
construction
has
led
to
increasingly
severe
spatial
dislocations
ecological
and
land,
topic
rationally
planning
scale
controlling
sprawl
from
perspective
security
become
a
challenge
many
countries.
This
paper
considers
Jiaodong
Peninsula
as
study
area.
The
sources
were
obtained
by
integrating
results
an
importance
assessment
data
on
nature
reserves,
basic
resistance
surface
was
built,
corridors
buffers
identified
using
minimum
cumulative
model.
Three
scenarios
designed
2015–2030
based
future
simulation
(FLUS)
model,
namely,
natural
(ND),
core
patch
protection
(CEP)
pattern
restriction
(ESPR).
ND
scenario
followed
rate
2005
2015;
CEP
used
forbidden
conversion
area,
ESPR
A
multiscale
evaluation
system
index
(ESI)
landscape
established
analyze
three
in
detail.
main
conclusions
follows:
(1)
area
3296.85
km2,
13
identified,
(2)
multi-scale
evaluation,
destroys
original
ecosystem
structure
region,
which
is
not
conducive
regional
conservation;
still
trend
fragmentation,
performs
well
all
aspects.
Based
pattern,
it
observed
that
had
largest
diversity
most
uniform
distribution
dominance
heterogeneity
both
best.
finding
indicated
imposing
could
make
possible
effectively
control
form
avoid
excessive
dispersion
types,
stable
secure
pattern.
can
provide
important
reference
boundary
formulation
related
policies.
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110740 - 110740
Опубликована: Авг. 1, 2023
Building
regional
ecological
network
can
alleviate
the
notable
contradiction
between
land
use
and
development
in
process
of
rapid
urbanization.
Suzhou
is
center
city
Yangtze
River
Delta
urban
cluster
a
typical
water
city,
but
high
intensity
has
fragmented
its
space.
The
study
firstly
introduced
patch
generation
simulation
(PLUS)
model
to
simulate
under
priority
scenario
2032,
combining
data
2002,
2012
2022
provide
basis
for
construction
later
stage.
Secondly,
sources
four
periods
were
identified
by
morphological
spatial
pattern
analysis
(MSPA)
landscape
connectivity
analysis,
corridors
nodes
each
period
screened
classified
minimum
cumulative
resistance
(MCR)
model,
gravity
hydrological
analysis.
Then
we
superimposed
sources,
corridors,
construct
an
that
develop
harmony
with
dynamics.
Finally,
degree
optimization
was
verified
structural
evaluation
comparison
2022.
results
indicate
(1)
largest
area
among
types,
good
substrate.
Under
guidance
green
strategy,
woodland
grassland
areas
will
slightly
increase
2032.
overall
generally
remain
consistent
2022,
fragmentation
be
mitigated.
(2)
A
total
23
are
identified,
mainly
located
near
Taihu
Lake,
Yangcheng
Lake
River.
Among
them,
most
important
source.
76
screened,
including
31
22
protected
potential
mostly
corridors.
54
selected,
divided
into
21
general
strategic
points,
12
11
restorative
points
10
break
points.
(3)
plan
forms
"three
cores,
pieces,
multiple
sources"
proposes
corresponding
refined
management
measures
promote
sustainable
region.
In
addition,
this
aims
propose
framework
coupled
simulation,
which
new
ideas
similar
regions
affected
urbanization
around
globe.
Ecological Indicators,
Год журнала:
2022,
Номер
142, С. 109138 - 109138
Опубликована: Июль 20, 2022
Ecological
network
is
an
important
landscape
approach
for
biodiversity
and
ecosystem
conservation.
However,
the
lack
of
further
spatial
analysis
ecological
zoning
makes
it
difficult
to
implement
conservation
restoration
measures
based
on
network.
In
this
study,
we
proposed
a
framework
with
case
study
in
Yunnan
Province,
China.
The
results
showed
that
area
was
consisted
sources
total
136496.56
km2,
276
corridors
average
length
41.40
km,
pinchpoints
barriers
425.54
km2
1422.83
respectively.
Province
divided
into
five
zones
Source
protection
zone
included
153
watersheds,
large
high
connectivity
sources,
needing
conserve
original
natural
ecosystem.
enhancement
103
watersheds
small
discrete
distribution.
particularly
southeast
karst
regions.
Corridor
construction
143
build
dense
orderly
manner.
node
15
watersheds.
Key
nodes
needed
enhance
overall
connectivity.
Non-ecological
be
paid
attention
local
can
help
light
conditions.
