Ecological Indicators,
Journal Year:
2021,
Volume and Issue:
132, P. 108295 - 108295
Published: Oct. 19, 2021
Evaluating
the
ecological
security
status
of
National
Nature
Reserve
(NNR)
has
become
a
critical
issue
because
NNR
plays
important
roles
in
environmental
protection
and
socio-economic
sustainable
development.
This
study
employed
Baishuijiang
(BNNR)
as
an
example
to
construct
evaluation
index
system
security,
which
was
improved
by
adding
society,
economy
environment
characteristics
into
driving
force,
pressure,
state,
impact
response
modules,
developing
modified
DPSIR
model.
In
addition,
Geo-detector
used
identify
key
factors
mechanisms
that
affect
BNNR.
The
results
showed
BNNR
classified
safe
area
unsafe
area,
with
46.95
%
53.05%
total
BNNR,
respectively.
mainly
distributed
central
areas
reserve,
where
from
0.329
0.370,
whereas
margins
under
0.329.
A
identified
per
capita
natural
forest
compensation
funds,
Engel’s
coefficient,
domestic
waste
treatment,
adult
illiteracy
rate,
annual
household
income,
poverty
incidence
rate
were
factors,
further
interactions
between
social
economic
primary
external
force
for
These
suggest
model
multi-dimensional
perspective
can
be
evaluate
reveal
mechanism,
presents
possible
pattern
NNR.
Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(7), P. 4197 - 4197
Published: March 25, 2023
Ecological
sensitivity
is
one
of
the
important
indicators
regional
ecological
fragility,
which
can
represent
ecosystems
to
natural
environmental
conditions
and
human
activity
disturbances
in
region.
In
this
study,
land
resources
Tumen
River
Basin
China
was
quantitatively
evaluated
by
taking
3
ecologically
sensitive
impact
types,
including
environment,
disturbance,
soil
erosion,
as
evaluation
criteria,
11
factors
were
selected
build
an
system
using
analytic
hierarchy
process
(AHP)
method,
determine
weights
factors,
combined
with
geographic
information
(GIS)
technology.
The
results
show
that:
(1)
Among
three
types
influence
disturbance
most
obvious,
two
use
type
distance
from
construction
have
highest
comprehensive
evaluation.
(2)
There
are
no
extremely
areas
or
insensitive
China.
Highly
account
for
only
0.59%
total
area
mainly
concentrated
lakes,
rivers,
reservoirs
study
area.
Moderately
54.12%,
central
part
Slightly
located
mountainous
north
south
(3)
various
resource
proportion
slightly
moderately
woodland
close
(about
50%),
while
cultivated
land,
grassland,
bare
(73.95%,
82.07%,
96.59%,
78.78%),
water
bodies
mostly
distributed
within
highly
(60.97%),
all
wetlands
smallest
sensitive.
provide
data
support
a
scientific
basis
protection
development
planning.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
162, P. 111965 - 111965
Published: April 12, 2024
Riverine
wetland
is
one
of
the
important
cityscapes
along
rivers,
featuring
powerful
eco-hydrological
regulations
in
safeguarding
urban
security
and
serving
its
quality.
Over
past
several
decades,
intensified
climate
change,
together
with
upgraded
human
activities,
have
deeply
disturbed
riverine
worldwide
caused
variations
amount
pattern,
which
might
lead
to
negative
effects
on
ecosystem
health
(WEH),
thus
threaten
sustainability
agglomerations.
To
better
understand
mechanism
above
effectiveness,
Urban
Agglomerations
Yellow
River
China's
Ningxia
Hui
Autonomous
Region
(RUAN)
was
taken
as
an
example
present
study.
First,
by
establishing
object-oriented
remote
sensing
image
classification
system
based
Classification
Regression
Tree
(CART),
distribution
years
2000,
2009
2018
were
determined
for
a
two-Stage
(ST-I:
2000–2009,
ST-II:
2009–2018)
comparative
research.
Second,
transition
matrix
landscape
index
used
measure
spatiotemporal
dynamics
two
stages.
Third,
Pressure-State-Response
(P-S-R)
model,
system,
constructed
comprehensively
assess
WEH
there.
Results
revealed
that:
(1)
Wetlands
RUAN
are
dominated
artificial
ones,
presenting
overall
increase
area
during
statistical
period,
varying
different
trends
Conversion
between
wetlands
non-wetlands
found
frequent
urbanization,
leading
remarkable
changes
patterns
space.
(2)
Rivers
basic
forming
RUAN,
natural
increased
period.
In
general,
patches
diversity
increased,
shapes
that
became
homogenized.
Accordingly,
aggregation
decreased
fragmentation
worsened.
(3)
most
experienced
external
pressure
deterioration
state,
showing
degradation.
Meanwhile,
more
fundamental
state
itself,
disturbance
seemed
function
less.
Above
findings
confirmed
vulnerability
urbanization
arid
circumstance.
It
worthy
strengthening
protection
existing
minimizing
or
eliminating
conversion,
ensure
serve
