Evolution Analysis of Ecological Security Pattern in Forest Areas Coupling Carbon Storage and Landscape Connectivity: A Case Study of the Xiaoxing’an Mountains, China
Forests,
Год журнала:
2025,
Номер
16(2), С. 331 - 331
Опубликована: Фев. 13, 2025
This
study
focuses
on
the
Xiaoxing’an
Mountains,
examining
evolution
of
ecological
security
patterns
and
suggesting
optimization
strategies
by
integrating
carbon
storage
landscape
connectivity,
using
multi-source
data
from
2000,
2010,
2020.
The
provides
a
comprehensive
assessment
region’s
estimating
stocks
InVEST
model,
analyzing
connectivity
through
MSPA,
spatially
extracting
corridors
nodes
circuit
theory.
key
findings
are
as
follows:
(1)
High-value
areas
for
primarily
concentrated
in
southeastern
northwestern
forested
mountain
regions;
(2)
Ecological
source
predominantly
southeast
dispersed
north,
with
total
area
peaking
2010
at
47,054.10
km2;
(3)
Northern
dense,
radiating
spider-web
pattern,
pinch
points
corridor
termini;
sparse,
mainly
short,
fewer
points;
(4)
barriers
increased
280%
over
past
20
years.
Four
major
barrier
zones
were
identified,
all
located
junction
forest
farmland
northwest,
composed
wetlands,
drylands,
rural
residential
areas;
(5)
Based
evolutionary
characteristics
Security
Pattern
years,
an
“axis,
two
belts,
four
zones,
multiple
cores”
planning
framework
was
proposed,
along
corresponding
strategies.
theoretical
support
practical
guidance
enhancing
regional
network
stability,
optimizing
strengthening
sink
functions.
Язык: Английский
Analysis of sustainable spatial structure of cities under the framework of “Economy-Society- Environment”: A case study Beijing-Tianjin-Hebei urban agglomeration
Ecological Indicators,
Год журнала:
2025,
Номер
173, С. 113416 - 113416
Опубликована: Апрель 1, 2025
Язык: Английский
Multi-scenario simulation and optimization of habitat quality under karst desertification management
Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Окт. 31, 2024
Introduction
Investigation
of
the
evolutionary
trend
habitat
quality
in
karst
and
rocky
desertification
zones
is
crucial
for
enhancing
ecological
security
conservation.
Methods
Analysis
land
use
statistics
from
years
2000,
2010,
2020,
changes
(HQ)
(LULC)
between
2000
2020
were
analyzed
using
Huize
County
Yunnan
Province
as
an
example.
The
InVEST
FLUS
models
applied
to
simulate
LULC
under
different
scenarios
2030
2040
assess
spatial
gradients
at
each
timepoint
factors
influencing
them.
Results
findings
indicated
that
(1)
predominant
types
are
grassland
woodland,
experiencing
most
significant
growth
urbanized
areas,
main
sources
which
paddy
fields
high-cover
grassland.
(2)
was
average
displayed
a
consistent
decline.
distribution
pattern
indicates
low
HQ
urban
high
outskirts,
south-west,
north-east.
In
all
four
scenarios,
predominantly
decreases
areas
regions
with
dense
concentration
built-up
land.
(3)
Habitat
primarily
affected
by
type
use,
NDVI
being
secondary
determinant.
Discussion
environment
must
be
restored
safeguarded
focus
on
priorities
harmonious
development
scenarios.
This
study
provides
methodological
lessons
ecorestoration
policymakers
karstic
desertification.
Язык: Английский
Identifying the Key Protection Areas of Alpine Marsh Wetlands in the Qinghai Qilian Mountains, China: An Ecosystem Patterns–Characteristics–Functions Combined Method
Land,
Год журнала:
2024,
Номер
13(12), С. 2115 - 2115
Опубликована: Дек. 6, 2024
The
alpine
marsh
wetlands
in
the
Qilian
Mountains
of
Qinghai
(QMQ)
are
under
constant
threat
from
effects
climate
change
and
human
activities.
Identifying
key
ecological
protection
areas
(KEPAs)
is
prerequisite
for
formulating
strategies
executing
spatial
planning
programs.
current
study
developed
a
novel
method
to
identify
KEPAs
by
following
ecosystem
pattern–characteristics–functions
(EPCFs)
combined
source–ecological
corridor–ecological
node
research
paradigm.
More
specifically,
an
evaluation
system
resistance
was
constructed
integrating
drivers
EPCFs
wetlands.
Additionally,
wetland
degradation
disturbances
were
analyzed
through
incorporated
with
field
survey.
findings
indicated
following:
(1)
had
total
water
yield
approximately
3.96
×
108
m3.
soil
conservation
rate
habitat
quality
per
unit
area
calculated
be
52.92
t·hm−2·a−1
0.992,
respectively,
higher
values
observed
on
southern
bank
lower
northern
river
QMQ.
(2)
covered
extent
996.53
km2
QMQ,
encompassing
40
sources,
39
corridors,
nodes,
predominantly
located
source
regions.
(3)
restructured
into
framework
comprising
two
axes,
four
belts,
cores,
multiple
nodes
In
response
factors
contributing
wetlands,
adaptive
measures
including
prioritizing
natural
restoration,
modifying
grazing
strategies,
restoration
projects
as
minimum,
designating
protected
have
been
recommended.
This
could
contribute
enhancing
efficiency
regional
territorial
offer
theoretical
foundation
improving
Язык: Английский