Evaluation of Ecological Sensitivity and Spatial Correlation Analysis of Landscape Patterns in Sanjiangyuan National Park
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(13), P. 5294 - 5294
Published: June 21, 2024
The
Sanjiangyuan
region,
situated
on
the
Qinghai–Tibetan
Plateau,
constitutes
an
exceptionally
delicate
ecological
environment.
Alterations
in
region’s
landscape
stem
not
only
from
natural
factors
but
also
significant
anthropogenic
influences,
exerting
a
notable
impact
sustainable
economic
and
social
development
of
middle
lower
reaches.
Consequently,
investigating
changes
pattern
National
Park
holds
paramount
importance
for
comprehending
formation
mechanism
spatial
distribution
area.
This
study
analyzes
sensitivity
Qinghai
Province,
China,
utilizing
ArcGIS
10.8
Fragstats
4.2.
Employing
bivariate
autocorrelation
analysis
method,
research
uncovers
characteristics
between
pattern,
along
with
their
aggregated
change
traits.
findings
reveal
that
areas
within
park
encompass
varying
degrees,
ranging
extremely
sensitive
to
insensitive.
area
moderately
zones
Yellow
River
source
region
is
7279.67
km2
(39.17%),
whereas
corresponding
Yangtze
32,572.34
(36.30%).
eastern
northern
parts
exhibit
fragmentation.
Ecological
varies
markedly
across
different
regions,
southern
some
showing
higher
sensitivity.
In
Lancang
part
park,
Largest
Patch
Index
(LPI)
Sensitivity
high–high
(HH)
clustering
indicating
strong
connectivity
these
areas.
These
regions
feature
high
Total
Edge
(TE),
Number
Patches
(NP),
Density
(PD),
(ED),
complex
structure
abundant
habitat
edge
recommends
restoring
highly
fragmented
implementing
strict
protection
measures
maintain
ecosystem
health
biodiversity.
provide
foundation
developing
targeted
enhance
biodiversity
conservation
aligns
several
Sustainable
Development
Goals
(SDGs),
including
Climate
Action,
Life
Land,
Clean
Water
Sanitation,
by
promoting
management
conservation.
Language: Английский
A framework of ecological security patterns in arid and semi-arid regions considering differences socioeconomic scenarios in ecological risk: Case of Loess Plateau, China
Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
373, P. 123923 - 123923
Published: Dec. 29, 2024
Language: Английский
Construction and optimisation of watershed scale ecological network: a case study of kuye river basin
Frontiers in Environmental Science,
Journal Year:
2024,
Volume and Issue:
12
Published: Aug. 26, 2024
Introduction
Creating
an
ecological
space
network
is
essential
for
safeguarding
the
core
structure
of
space.
Methods
Morphological
spatial
pattern
analysis
was
used
to
locate
sources
in
Kuye
River
Basin.
Using
least
cumulative
resistance
model
and
gravity
model,
surface,
corridor,
management
are
determined.
Results
discussion
The
study
revealed
that
2022,
predominant
land
use
types
Basin
were
wood
grassland,
cultivated
land,
construction
land.
MSPA
software
identifies
a
substantial
portion
landscape
as
consisting
marginal
areas,
which
encompass
30324.05
hm
2
15088.24
.
High
surface
factors
dominate
socioeconomically
vibrant
zone
northern
regions.
Resistance
values
ranging
from
0.02
0.87,
high
law
zones
alternate.
minimal
approach
found
171
corridors.
And
using
interaction
matrix
19
primary
discovered
8
first-level
corridors
with
highest
force.
There
137
23
subsidiary
significant
affects.
Overlying
road
national
highways,
provincial
roads,
railways,
high-speed
roads
creates
total
38
breakpoints,
each
characterized
by
specific
barrier
effects
legal
stability.
Language: Английский
Ecological Suitability Evaluation of City Construction Based on Landscape Ecological Analysis
Siyuan Wang,
No information about this author
Minmin Zhao,
No information about this author
Weicui Ding
No information about this author
et al.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(21), P. 9178 - 9178
Published: Oct. 23, 2024
Ecological
suitability
evaluation
is
a
critical
component
of
regional
sustainable
development
and
construction,
serving
as
foundation
for
optimizing
spatial
patterns
growth.
This
particularly
pertinent
in
karst
mountainous
regions
characterized
by
limited
land
resources
heightened
ecosystem
vulnerability,
where
quantitative
assessment
ecological
both
crucial
urgent.
Based
on
the
fundamental
principles
structural
functional
dynamics
landscape
ecology,
this
study
focuses
Gui’an
New
Area,
designated
urban
zone
situated
Guizhou
Province.
An
index
system
was
established
encompassing
three
dimensions:
elements,
significance,
resilience,
utilizing
integrated
resistance
(IER)
model
to
evaluate
construction.
The
results
reveal
that
eastern
region
exhibits
higher
compared
central
western
regions,
with
northwest
demonstrating
lowest
overall.
Relatively
speaking,
geological
environment
comprehensive
constraints
associated
construction
indicates
areas
currently
planned
ongoing
reflect
flat
terrain
low
risk.
Furthermore,
within
scope
dynamic
adaptation,
developmental
activities
these
exert
minimal
impact
natural
ecosystem,
thereby
high
In
terms
future
key
zones,
gentle
slopes
ranging
from
8
15
degrees
are
recommended,
aligning
actual
requirements
cultivated
protection.
total
area
prohibited
zones
constitutes
smallest
proportion,
representing
only
9.45%,
which
significantly
lower
than
priority
(38.75%)
moderate
(22.45%).
From
perspective
paper
provides
investigation
into
Southwest
China,
offering
valuable
insights
assessing
similar
areas.
Language: Английский
Exploring the scale effect of nonpoint source pollution risk on water quality in Lake Basins of Central Yunnan Plateau using the Minimum Cumulative Resistance model
Fu Li,
No information about this author
Xiaoliang Ma,
No information about this author
Shuangyun Peng
No information about this author
et al.
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e18247 - e18247
Published: Oct. 18, 2024
Nonpoint
source
(NPS)
pollution
has
emerged
as
the
predominant
water
environment
issue
confronting
plateau
lakes
in
central
Yunnan.
Quantitative
analysis
of
impact
NPS
on
quality
constitutes
key
to
preventing
and
controlling
pollution.
However,
currently,
there
is
a
dearth
research
identifying
risks
exploring
their
relationship
with
based
Minimum
Cumulative
Resistance
(MCR)
model
lake
basins
Particularly,
studies
spatial
heterogeneity
from
multi-scale
perspective
are
scarce.
Therefore,
this
study
focuses
three
typical
Central
Yunnan
Plateau–Fuxian
Lake,
Xingyun
Qilu
Lake
(the
Three
Lakes).
Utilizing
MCR
identify
risks,
analyzes
seven
different
scales,
including
sub-basins,
riparian
buffer
zones
(100
m,
300
500
700
1,000
m)
lakeshore
zones,
reveal
effects
through
correlation
analysis.
The
results
indicate
that:
(1)
Over
60%
areas
Lakes
Basin
at
high
or
extremely
risk,
mainly
concentrated
flat
terrain
around
inflow
rivers;
(2)
area
paddy
field
landscape
(PFSL)
greater
than
that
construction
land
(CLSL),
high-risk
also
larger
for
PFSL
compared
CLSL;
(3)
mean
resistance
values
CLSL
show
significant
negative
monthly
indexes
(NH
3
-N,
TP,
COD
Cr
),
m
zone
scale
showing
greatest
most
indexes,
especially
NH
-N;
(4)
between
value
significantly
higher
PFSL,
indicating
PFSL.
In
summary,
primary
sources
Basins.
sensitive
quality.
This
provides
scientific
references
pattern
optimization
precise
control
Plateau
offers
new
Language: Английский