2022 7th International Conference on Communication, Image and Signal Processing (CCISP),
Journal Year:
2023,
Volume and Issue:
unknown, P. 58 - 64
Published: Nov. 17, 2023
Karst
rocky
desertification
is
a
kind
of
land
degradation
phenomenon
which
harmful
and
difficult
to
control.
Rocky
monitoring
based
on
remote
sensing
technology
an
effective
method.
In
this
paper,
Chongzuo
Qianxinan
Prefecture
in
Guangxi
Province
are
used
as
experimental
areas,
Landsat8
TM
/
OLI
images
ASTER
GDEM
elevation
data
sources,
three
factors
vegetation
coverage,
bedrock
exposure
slope
characteristic
variables.
The
decision
tree
constructed
extract
the
information
study
area,
grade
divided
according
results.
Finally,
temporal
spatial
evolution
characteristics
analyzed
discussed.
results
show
that:
1.
area
extracted
paper
94.5
%
consistent
with
survey
data.
2.the
without
increased
by
11.25
from
2010
2020;
southwestern
Guizhou
8.36
severe
extremely
decreased
10.31
5.58
%,
respectively.
3.
methods
conclusions
can
provide
support
for
evaluation
ecological
security
Land,
Journal Year:
2023,
Volume and Issue:
12(12), P. 2130 - 2130
Published: Dec. 2, 2023
Territory
space
is
an
ecological
resource
carrier
and
place
for
human
development.
Human
activities
systems
are
the
basis
of
product
supply.
Promoting
territories’
spatial
protection
governance
by
improving
supply
products
very
important.
In
this
study,
we
established
capacity
evaluation
index
system
involving
three
types
products,
i.e.,
environmental
material
cultural
products.
For
case
Beijing–Tianjin–Hebei
region,
comprehensively
used
principal
component
analysis,
equivalent
factor
method,
entropy
method
to
evaluate
from
2011
2021.
Then,
analyzed
spatio-temporal
pattern,
combining
natural
breakpoint
quantile
classification
methods,
obstacle
factors
using
degree
model
The
results
show
that
different
in
each
city
closely
related
their
endowment.
exhibited
upward
trend,
with
highest
being
relatively
smaller
than
supply,
while
largest
growth
rate
was
varied
across
cities
over
time
displayed
noticeable
differentiation.
main
included
eco-land,
eco-tourism,
eco-leisure,
park
green
space,
fishery
although
there
were
variations
among
cities.
Finally,
based
on
level,
spatial-temporal
proposed
strategies
territory
perspectives
integrated
elements,
structural
regulation,
systematic
governance.
reflected
functional
heterogeneity
which
can
provide
planning
guidance
sustainable
2022 7th International Conference on Communication, Image and Signal Processing (CCISP),
Journal Year:
2023,
Volume and Issue:
unknown, P. 58 - 64
Published: Nov. 17, 2023
Karst
rocky
desertification
is
a
kind
of
land
degradation
phenomenon
which
harmful
and
difficult
to
control.
Rocky
monitoring
based
on
remote
sensing
technology
an
effective
method.
In
this
paper,
Chongzuo
Qianxinan
Prefecture
in
Guangxi
Province
are
used
as
experimental
areas,
Landsat8
TM
/
OLI
images
ASTER
GDEM
elevation
data
sources,
three
factors
vegetation
coverage,
bedrock
exposure
slope
characteristic
variables.
The
decision
tree
constructed
extract
the
information
study
area,
grade
divided
according
results.
Finally,
temporal
spatial
evolution
characteristics
analyzed
discussed.
results
show
that:
1.
area
extracted
paper
94.5
%
consistent
with
survey
data.
2.the
without
increased
by
11.25
from
2010
2020;
southwestern
Guizhou
8.36
severe
extremely
decreased
10.31
5.58
%,
respectively.
3.
methods
conclusions
can
provide
support
for
evaluation
ecological
security