Land,
Год журнала:
2025,
Номер
14(4), С. 693 - 693
Опубликована: Март 25, 2025
The
land
surface
temperature
(LST)
in
the
central
urban
area
has
shown
a
consistent
upward
trend
over
years,
exacerbating
heat
island
(SUHI)
effect.
Therefore,
this
study
focuses
on
of
Chengdu,
using
blocks
as
research
scale.
Gradient
Boosting
Decision
Tree
(GBDT)
model
and
SHAP
values
are
employed
to
explore
nonlinear
effects
human
settlements
(HS)
LST
across
different
seasons.
results
show
that
(1)
At
block
scale,
overall
impact
HS
all
four
seasons
tracks
following
order:
built
environment
(BE)
>
landscape
pattern
(LP)
socio-economic
development
(SED).
(2)
LP
is
most
important
factor
affecting
summer,
while
BE
greatest
influence
during
spring,
autumn,
winter.
(3)
Most
indicators
exhibit
seasonal
variations
their
LST.
impervious
(ISA)
exhibits
significant
positive
autumn.
In
contrast,
nighttime
light
index
(NTL)
functional
mix
degree
(FMD)
exert
negative
Additionally,
normalized
difference
vegetation
(NDVI)
negatively
affects
both
spring
summer.
Moreover,
connectivity
(CNT)
density
(FPD)
demonstrate
notable
threshold
(4)
Certain
interaction
effects,
some
combinations
these
can
effectively
reduce
This
reveals
HS–LST
interactions
through
multidimensional
analysis,
offering
block-scale
planning
strategies
for
sustainable
thermal
optimization.
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110550 - 110550
Опубликована: Июнь 27, 2023
Numerous
studies
on
reducing
the
urban
heat
island
effect
have
concentrated
isolated
cold
islands,
analyzing
their
cooling
impact
in
terms
of
size
and
shape.
From
an
international
perspective,
shown
that
enhancing
connectivity
islands
can
enhance
but
they
do
not
suggest
specific
processes
ideas
for
connectivity.
This
study
aims
to
investigate
how
connect
optimize
spatial
pattern
island.
Therefore,
a
framework
is
constructed
this
study:
source
area
-
network.
Firstly,
core
was
identified
by
morphological
analysis.
Then,
analysis
applied
identify
sources.
Afterward,
minimum
cumulative
resistance
model
used
construct
In
Nanjing,
case
point,
results
reveal
total
27
areas
52
corridors
been
identified.
6
first-level
CSAs
situated
northern
suburbs
Nanjing
prevent
spread
effect.
2
second-level
18
third-level
are
scattered
throughout
improve
climate.
The
29
primary
help
mitigate
transfer
from
city
center.
23
secondary
mainly
located
centers
contributing
preventing
aggregating.
be
as
strategic
measure
fragmentation
isolation
island,
which
provides
implications
further
expansion
Ecological Indicators,
Год журнала:
2024,
Номер
165, С. 112169 - 112169
Опубликована: Май 25, 2024
Ecological
security
pattern
(ESP)
represents
a
sound
spatial
arrangement
of
ecosystem
occurring
in
landscape.
The
research
on
the
optimization
ESP
aims
to
improve
and
restore
functions
by
rationally
allocating
optimizing
ecological
elements
based
key
issues.
Constructing
can
enhance
connectivity
regional
habitat
patches,
which
is
great
significance
for
protecting
restoring
biodiversity,
improving
stability
resilience,
achieving
sustainable
development.
However,
it
challenging
task
systematically
resilience
networks
under
attacks.
Little
has
been
done
enhancing
edge-based
Based
morphological
analysis
(MSPA),
minimum
cumulative
resistance
(MCR)
greedy
algorithm
(GA)
models,
this
study
presents
new
method
construct
optimize
ESP.
Dongting
Lake
Basin
China,
typical
region
with
rich
complex
landscape
patterns,
intensive
human
activities,
taken
as
an
example.
results
indicate
that
network
improved
its
51.62%,
robustness
against
random
attacks
41.13%,
targeted
43.41%,
relative
initial
network.
Monte
Carlo
test
verifies
reliability
solution.
proposed
be
used
finding
structure
best
specific
attacks,
provides
valuable
decision-making
reference
land
planning
biodiversity
conservation.
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110754 - 110754
Опубликована: Авг. 11, 2023
The
accelerated
urbanization
process
has
led
to
the
deterioration
of
originally
fragile
coastal
ecosystem,
whose
slight
changes
in
ecological
environment
may
destroy
original
urban
ecosystem.
construction
security
pattern
can
effectively
balance
development
areas
and
protection
environment.
This
study
proposes
a
new
framework
for
constructing
ESP
areas:
surfaces
(ecological
sources)
-
lines
networks)
points
(pinch
points,
barrier
points).
sources
were
identified
by
morphospatial
analysis
landscape
connectivity.
Then,
network
constructed
circuit
theory.
Take
Qingdao,
typical
area
with
very
environment,
as
subject
study.
results
indicate
that:
(1)
connectivity
source
sites
2017
2021
decreased
significantly;
(2)
total
length
extracted
corridors
dramatically;
(3)
Qingdao
was
from
perspective
points.
this
paper
provide
scientific
planning
guidance
conservation
Qingdao.
research
proposed
provides
some
reference
areas.
Ecological Indicators,
Год журнала:
2024,
Номер
166, С. 112329 - 112329
Опубликована: Июль 8, 2024
Habitat
fragmentation
is
an
important
factor
affecting
biodiversity
conservation,
and
few
studies
have
discussed
the
relationship
between
overall
pattern
of
wetlands
biological
ecological
functions.
Based
on
this,
this
study
proposed
construction
wetland
conservation
Ecological
Networks
(ENs)
from
perspective
connectivity,
a
comprehensive
framework
for
ENs.
Firstly,
key
species
were
identified,
habitat
patches
suitable
egret
migration
analyzed
by
Morphological
Spatial
Pattern
Analysis
(MSPA)
landscape
connectivity
index,
sources
determined
based
policy
influence.
The
Minimum
Cumulative
Resistance
(MCR)
model
was
used
to
extract
ENs,
network
evaluation
gravity
Hydrological
analysis
analyze
"network
−
corridor
node"
respectively.
results
showed
that:
(1)
in
Haikou
City
relatively
trivial,
within
insufficient.
There
13
potential
17
extraction;
(2)
ENs
tends
be
east
Nandu
River,
tightness
0.038,
low;
(3)
are
45
corridors
8
sources,
mainly
concentrated
River;
(4)
Identify
115,
50
66
pinpoints,
obstacle
points
break
network,
propose
protection,
optimization
restoration
strategies
Comprehensive
identification
progressive
will
promote
further
systematization
protection
research.
