Land,
Год журнала:
2024,
Номер
13(12), С. 2195 - 2195
Опубликована: Дек. 16, 2024
The
rapid
expansion
of
cropland
in
Cambodia,
the
world’s
seventh-largest
rice
exporter,
has
created
an
imbalance
land
use
structure.
However,
there
is
a
lack
quantitative
investigation
loss
ecological
as
result
and
its
drivers.
In
this
research,
spatial
autocorrelation,
landscape
pattern
index
transfer
matrix
methods
were
used
based
on
data
from
2000
to
2023.
Then,
eXtreme
Gradient
Boosting-SHapley
Additive
exPlanations
(XGBoost-SHAP)
Geographic
Detector
explore
drivers
expansion.
findings
indicate
that
expanse
agricultural
Cambodia
significantly
increased
by
13.47%.
proportion
area
(37.87%)
close
forest
(40.19%).
Cultivated
dominated
fields,
supplemented
drylands.
Spatial
clustering
obvious
both
drylands
fields.
Drylands
are
mainly
concentrated
eastern
western
mountainous
areas
northern
border,
while
fields
central
plains.
encroached
total
30,579.27km2
land,
which
62.88%
was
dry
37.12%
Forests
shrubs
main
source
cropland.
addition,
soil
type
(0.18),
elevation
(0.17)
GDP
(0.17),
population
(0.52)
their
interactions
strongly
drove
dryland
should
conduct
scientific
research
assess
demand
for
growth
economic
progress.
It
realize
orderly
cultivated
reduce
damage
promote
coordinated
development
society,
environment
economy.
As
the
largest
terrestrial
ecosystem
globally,
grasslands
and
their
Gross
Primary
Productivity
(GPP)
play
a
critical
role
in
global
carbon
cycle,
influenced
by
environmental
changes
human
activities.
This
study
classifies
into
multiple
types,
uses
trend
analysis
to
investigate
temporal
spatial
of
GPP
for
various
grassland
types
from
2010
2020,
extracts
approximately
940,000
pixel
data
identify
evaluate
factors
using
best
prediction
model
PLS-PM
structural
equation
model.
The
results
indicate
that
shows
an
increasing
trend,
concentrated
mid-
low-latitude
regions,
with
differences
between
hemispheres.
Woody
Savannas
have
highest
mean
GPP,
while
Grasslands
lowest.
At
low
altitudes,
peaks,
reaching
maximum
elevations
at
4580
m
4950
m,
respectively,
persist
higher
altitudes
lowest
GPP.
Climate
soil
hydrology
contributed
most
significantly
accounting
62.11%-77.95%,
showing
contribution
(71.63%).
Within
climate
factors,
actual
evapotranspiration,
volumetric
water
layer,
fraction
photosynthetically
active
radiation,
temperature
had
significant
positive
impacts
on
CO2
concentration
activities
smaller
direct
contributions,
primarily
influencing
indirectly.
Topographic
least.
These
findings
reveal
dominant
highlight
differing
growth
trends
among
providing
insights
responses
change
