Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
154, P. 110888 - 110888
Published: Sept. 3, 2023
Irrational
land
use
is
a
key
factor
in
triggering
regional
landscape
ecological
risk
(LER).
Existing
studies
have
focused
on
the
relationship
between
change
and
LER,
but
it
still
unclear
how
to
prevent
through
optimal
allocation
(LUOA).
To
fill
these
gaps,
this
study
innovatively
designs
research
framework
that
follows
logic
of
“risk
assessment
–
suitability
potential
identification
avoidance”.
Using
methods
such
as
LER
index,
(LUS)
evaluation
model
spatial
overlay
analysis,
investigates
path
feasibility
prevention
from
perspective
LUOA.
The
Yellow
River
Delta
(YRD)
with
frequent
interactions
society
ecosystem
taken
case
study.
results
are
follows:
(1)
There
was
an
inverse
comprehensive
LUS
YRD.
In
inland
areas
YRD,
relatively
stable,
while
characterized
by
multi-suitability.
coastal
level
generally
high,
single
unsuitability;
(2)
development
(LUCDP)
significant
distribution
trend
increased
areas.
This
pattern
reflects
different
orientations
positive
interaction
nature
support
areas;
(3)
After
conducting
LUOA,
cultivated
land,
forest
grassland
395
km2,
196
174
respectively.
wetlands,
construction
unused
32
248
319
recalculation,
above
scheme
can
LER.
summary,
present
offered
new
approach
for
achieving
mutually
beneficial
outcome
management
optimization,
which
river
estuary
China
world.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
147, P. 109934 - 109934
Published: Jan. 25, 2023
The
key
ecological
functional
zone
plays
a
significant
role
in
maintaining
ecosystem
security,
water
conservation
function
and
environmental
protection.
However,
owing
to
rapid
industrialization
urbanization,
some
zones
have
undergone
great
changes
land
use,
which
has
changed
the
landscape
pattern
characteristics
resulted
risks,
affecting
regional
environment
security.
In
this
study,
core
source
area
of
Middle
Route
China's
South–to–North
Water
Diversion
Project
is
selected
as
case
study.
A
risk
index
(ERI)
was
constructed
evaluate
driven
by
use
transformation.
Moreover,
ERI's
spatiotemporal
were
investigated
using
combination
geographic
information
systems
geostatistical
techniques,
reveal
dominant
types
associated
with
risks
their
causes.
We
found
that
(1)
there
not
notable
shift
level
increased
slightly
from
2010
2015.
conversion
previously
unproductive
into
places
for
industrial
production
agricultural
productive
played
phenomenon.
From
2015
2020,
Danjiangkou
Reservoir
officially
started
operation.
Furthermore,
improvement
residents'
awareness
protection
natural
forest
significantly
reduced
risk.
(2)
strong
positive
autocorrelation,
exhibiting
high
east
center,
low
west
periphery.
(3)
An
obvious
corresponding
relation
exists
between
impacts
topography,
soil,
climate
on
patterns
Additionally,
strict
policies
implemented
Chinese
government
realized
remarkable
achievements
promoting
risks.
Our
study
can
provide
decision–making
basis
local
authorities
conduct
prevention
activities
ensure
sustainable
northward
flow
clean
water.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
155, P. 110954 - 110954
Published: Sept. 25, 2023
Watershed
ecological
security
(ES),
which
is
fundamental
to
regional
sustainable
development,
consists
of
risk
(ER),
ecosystem
health
(EH),
and
services
(ESs).
It
remains
unclear
how
describe
the
status
ES
by
integrating
three
key
characteristics,
little
known
about
differences
among
factors
driving
ER,
EH,
ESs,
ES.
Here,
we
established
an
integrated
assessment
system
based
on
cause–effect
relationship
ESs.
We
quantified
characteristics
in
Huaihe
River
Basin
China
2020
pinpointed
(i.e.,
natural
environment,
urbanization,
accessibility)
their
spatial
differentiation
using
Geodetector
model.
Results
showed
that:
(1)
study
area,
ER
EH
were
at
average
level,
ESs
high
level.
(2)
had
positive
correlations
(Moran'
I
>
0.60),
with
having
strongest
dependence.
(3)
Natural
environmental
predominantly
influenced
Slope
was
primary
driver
for
(q-value
=
0.492
0.395,
respectively),
vegetation
coverage
major
0.506).
(4)
mainly
urbanization
factors,
proportion
construction
land
area
exhibiting
highest
explanatory
power
0.751),
interaction
being
0.836).
This
provides
new
ideas
methods
ES,
holds
implications
protection
management
ecosystems.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
156, P. 111066 - 111066
Published: Oct. 16, 2023
Ecosystem
services
and
ecological
risk
prevention
are
important
factors
that
influence
for
sustainable
socio-economic
development.
In
recent
years,
fewer
studies,
practices
have
been
conducted
on
the
value
of
ecosystem
management
in
larger
regions,
mechanisms
their
interactions
not
adequately
investigated.
The
central
southern
region
China
is
a
stage
high-quality
development,
Hunan
Province
this
used
as
an
example
to
investigate
interaction
mechanism
between
service
(ESV)
landscape
(LER)as
well
generate
new
ideas
coordinated
regional
socioeconomic
This
study
developed
evaluation
model
ESV
LER
by
synthesizing
multi-source
data
from
1990
2020
further
revealed
LER.
We
found
following:
(1)
experienced
rapid
urbanization,
both
showed
increasing
trends.
A
complex
significant
positive
correlation
was
observed
these
two
variables.
(2)
overall
trend
2020,
each
level
distributed
high
low,
with
core
area
spreading
outward.
gradually
decreased
after
2010,
when
urban
expansion
rapid.
(3)
shifted
medium-low
risk,
increased,
distribution
pattern
north
south
low
surroundings.
(4)
There
were
four
types
spatial
correlations
at
local
scale:
risk.
Based
results,
zoning
plan
Province.
contributes
understanding
interactive
synergistic
relationship
Province,
which
critical
optimizing
economic
social
