The
absence
of
an
efficient
and
safe
routes
for
the
timely
collection
transportation
domestic
waste
(DW)
may
have
negative
effects
on
environment
public
health.
However,
existing
(CTR)
based
territorial
management
are
not
suitable
special
socio-ecological
system
agro-pastoral
ecotone
(APE).
Therefore,
it
is
crucial
to
develop
a
low-cost,
high-efficiency,
risk-free
CTR
mitigate
threat
DW
environmental
sustainability
in
APE
Tibetan
Plateau.
This
study
selected
Haidong
as
research
case
constructed
sustainable
optimization
framework
integrated
perspective
temporal,
spatial
eco-safety
risk.
We
used
improved
Ant
Colony
Optimization
(ACO)
simulate
optimal
spatial-temporal
routes,
risk
level
was
assessed
by
using
Minimum
Cumulative
Resistance
model
(MCR).
Results
demonstrated
that:
(1)
After
optimized,
total
mileage
economic
cost
savings
were
reduced
45.88%
8.37%
respectively,
frequency
decreased
38.07%.
Optimized
more
effective
can
better
adapt
dispersed
pollution-producing
characteristics
residents
APE.
(2)
There
7.04
%
at
high
eco-safety,
which
required
strengthening
enhance
control
along
while
improving
safety
seal
trucks.
(3)
cores
adaptive
change
from
current
single-county
administrative
organization
cross-county
organization;
adjust
cycle
characteristics;
sort
locally;
cultivate
awareness
among
farmers
herdsmen.
designed
quantified
new
improve
ecotone.
Remote Sensing,
Journal Year:
2023,
Volume and Issue:
15(9), P. 2456 - 2456
Published: May 7, 2023
In
recent
years,
the
accelerated
pace
of
urbanization
has
increased
patch
fragmentation,
which
had
a
certain
impact
on
structure
and
ecological
environment
forest–grass
networks,
protection
measures
have
been
taken
in
various
regions.
Therefore,
studying
spatiotemporal
changes
correlations
service
functions
networks
can
help
to
better
grasp
landscape
function.
This
paper
takes
Wuding
River
Basin
as
research
area
uses
windbreak
sand
fixation
capacity
index,
soil
conservation
capacity,
net
primary
productivity
(NPP)
evaluate
from
three
dimensions
fixation,
conservation,
carbon
sequestration.
The
Regional
Sustainability
Environment
Index
(RSEI)
is
used
extract
source
areas,
GIS
spatial
analysis
minimum
cumulative
resistance
(MCR)
model
are
potential
corridors.
Referring
complex
network
theory,
topology
metrics
such
degree
distribution
clustering
coefficient
calculated,
their
correlation
with
explored.
results
show
that
overall
sequestration
2020
compared
2000,
flow
at
northern
northwest
boundaries
river
basin
enhanced,
but
there
still
shortcomings
fragmented
nodes,
low
clustering,
poor
connectivity.
terms
between
indicators
functions,
index
strongest
largest
grasp,
while
eigencentrality
grasp.
NPP
other
not
obvious,
its
eccentricity
relatively
large.
Frontiers in Environmental Science,
Journal Year:
2024,
Volume and Issue:
12
Published: Jan. 19, 2024
Introduction:
With
the
increasing
fragmentation
of
landscapes
caused
by
rapid
urbanisation,
constructing
ecological
networks
strengthen
connectivity
between
fragmented
habitat
patches.
As
capital
China,
Beijing
has
a
development,
resulting
in
serious
landscape
fragmentation,
and
needing
an
urgent
demand
for
this
study
to
improve
network
system.
Methods:
In
study,
we
choose
elevation,
slope,
Normalized
Difference
Vegetation
Index
land
use
data
2020
as
use.
Morphological
spatial
pattern
analysis
(MSPA)
was
used
identify
source
areas
Beijing,
Minimal
cumulative
resistance
(MCR)
gravity
models
were
construct
network,
stepping
stones
it.
Results:
The
core
area
had
highest
proportion
(96.17%)
all
types,
forest
accounting
82.01%
thereof.
Ten
identified
areas.
Forty-five
corridors
(8
major
37
ordinary)
constructed.
are
mainly
concentrated
middle
eastern
regions
where
mobility
is
limited.
Constructing
would
help
uphold
region’s
service
functions
ecosystem
balance.
Twenty-nine
32
obstacles
create
optimised
consisting
171.
Discussion:
results
provide
model
reference
sustainable
development
environments
high-density
urban
Forests,
Journal Year:
2024,
Volume and Issue:
15(7), P. 1202 - 1202
Published: July 11, 2024
The
establishment
of
the
Sanjiangyuan
National
Park
(SNP)
system
indicates
a
higher
requirement
for
refining
management
practices,
especially
protecting
ecological
barrier
(EBS)
that
supports
national
security
and
biodiversity.
However,
it
is
still
understudied
how
planners
can
identify
key
areas
maintaining
EBS
in
addition
to
functional
zoning.
This
study
took
SNP
as
an
example
built
comprehensive
analytical
framework,
including
fragmentation
analysis,
landscape
morphology
connectivity
analysis
based
on
graph
theory.
found
patches
Lancang
River
Source
sub-park
are
relatively
complete,
while
those
Yangtze
Yellow
more
fragmented
according
different
indicators.
then
identified
nodes
edges
sources
EBS.
These
located
mostly
near
core
zones
habitat
patches.
Furthermore,
analyzed
using
two
indicators
DN
(degree
nodes)
dIIC
(the
delta
integral
index
connectivity),
which
respectively
quantify
number
neighbors
its
impact
whole
connecting
Last,
with
dense
corridors
suggesting
protection
areas.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(20), P. 3800 - 3800
Published: Oct. 12, 2024
The
advancement
of
urbanization
has
led
to
a
decline
in
the
ecological
function
and
environmental
quality
cities,
seriously
reducing
services
sustainable
development
capacity
urban
ecosystems.
construction
National
Forest
Urban
Agglomeration
China
is
conducive
alleviating
problems
brought
about
by
rapid
promoting
development.
A
time
series
analysis
network
changes
can
quickly
effectively
explore
spatial
patterns
over
time.
Identifying
protection
restoration
areas
agglomerations
an
important
way
promote
ecosystem
optimize
networks.
This
paper
takes
Pearl
River
Delta
forest
agglomeration
as
research
area,
uses
multi-source
remote
sensing
data
from
2000
2020
(every
5
years),
identifies
sources
based
on
morphological
pattern
(MSPA)
method,
generates
corridors
minimum
cumulative
resistance
(MCR)
model,
constructs
region,
analyzes
evolution
process
results
indicate
that
time,
core
green
area
first
decreased
then
increased,
complexity
increased.
main
reason
early
21st
century
severe
fragmentation.
Under
promotion
national
construction,
was
restored
2015
2020.
region
this
confirms
effectiveness
agglomerations,
providing
scientific
reference
for
identification
networks
optimization
agglomerations.
The
absence
of
an
efficient
and
safe
routes
for
the
timely
collection
transportation
domestic
waste
(DW)
may
have
negative
effects
on
environment
public
health.
However,
existing
(CTR)
based
territorial
management
are
not
suitable
special
socio-ecological
system
agro-pastoral
ecotone
(APE).
Therefore,
it
is
crucial
to
develop
a
low-cost,
high-efficiency,
risk-free
CTR
mitigate
threat
DW
environmental
sustainability
in
APE
Tibetan
Plateau.
This
study
selected
Haidong
as
research
case
constructed
sustainable
optimization
framework
integrated
perspective
temporal,
spatial
eco-safety
risk.
We
used
improved
Ant
Colony
Optimization
(ACO)
simulate
optimal
spatial-temporal
routes,
risk
level
was
assessed
by
using
Minimum
Cumulative
Resistance
model
(MCR).
Results
demonstrated
that:
(1)
After
optimized,
total
mileage
economic
cost
savings
were
reduced
45.88%
8.37%
respectively,
frequency
decreased
38.07%.
Optimized
more
effective
can
better
adapt
dispersed
pollution-producing
characteristics
residents
APE.
(2)
There
7.04
%
at
high
eco-safety,
which
required
strengthening
enhance
control
along
while
improving
safety
seal
trucks.
(3)
cores
adaptive
change
from
current
single-county
administrative
organization
cross-county
organization;
adjust
cycle
characteristics;
sort
locally;
cultivate
awareness
among
farmers
herdsmen.
designed
quantified
new
improve
ecotone.
