Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 23, 2025
Land
transformation
during
global
urbanization
has
led
to
a
sharp
decrease
in
farmland,
causing
not
only
food
security
issues
but
also
ecological
problems.
To
address
this
issue,
the
Chinese
government
implemented
Requisition-Compensation
Balance
Policy
for
Farmland
(RCBF)
1997.
This
policy
effectively
curbed
reduction
of
compensated
land
often
comes
from
mountainous
and
desert
areas,
leading
fragmentation
farmland
subsequent
issues.
The
balance
between
requisition
compensation
is
closely
related
security.
However,
current
research
on
occupation
mostly
based
area.
area
occupied
by
different
regions
inconsistent,
using
net
increase
or
represent
cannot
accurately
fairly
compare
degree
regions.
Therefore,
study
proposed
novel
index
measure
compensation-the
Requisition
Compensation
Index
(FOCI).
FOCI
can
transform
dimensional
expressions
that
into
dimensionless
expressions,
namely
scalars,
which
makes
it
possible
visually
each
region.
Then,
new
been
used
investigate
spatiotemporal
evolution
China
at
national
provincial
levels
over
past
30
years
(1990-2021),
as
well
impact
change
landscape
service
value.
results
indicate
(1)
shows
trend
first
decreasing
then
increasing
both
scales;
(2)
Provinces
with
are
mainly
concentrated
southeast
northwest
regions,
while
significant
decreases
observed
southwest
region,
indicating
shift
center
gravity
towards
southeast;
(3)
significantly
positively
correlated
spatially,
suggesting
provinces
higher
exhibit
fragmentation;
(4)
value
negatively
have
lower
values,
these
areas
region
China.
In
general,
advantage
eliminating
influence
could
be
reliable
alternative
evaluating
Environmental Impact Assessment Review,
Journal Year:
2024,
Volume and Issue:
105, P. 107438 - 107438
Published: Feb. 9, 2024
Crop
straw—a
carbon-neutral
bio-based
resource—is
gaining
attention
because
of
its
scalable
and
sustainable
conversion
utilization
modes
amid
the
coordinated
pollution
control
carbon
reduction
efforts.
Building
on
prior
research
with
limited
scope,
this
study
introduces
a
multidimensional
evaluation
framework
for
spatial
suitability
encompassing
entire
chain
crop
straw
resources.
The
intertwines
heterogeneity
multiple
resources,
transcending
limitations
single
focus
by
evaluating
three
major
simultaneously.
In
China,
distribution
characteristics
potential
resources
at
provincial
level
have
stabilized
over
time.
are
concentrated
in
provinces
North
Northeast
Middle-lower
Yangtze
River
agricultural
region,
where
proportion
flat
cultivated
land
area
is
higher
than
78%
total
area,
wide
concentrated.
Their
annual
collectable
generally
exceeds
50
Mt.
Spatial
reveals
that
twelve
provinces,
including
Beijing,
suitable
promoting
fertilizer
utilization,
eight
such
as
Inner
Mongolia,
feed
ten
Henan,
energy
utilization.
Overall,
informs
policymakers
optimization
strategies
high-quality
efficient
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
159, P. 111698 - 111698
Published: Feb. 1, 2024
Urban
development
inevitably
comes
with
the
loss
of
prime
agricultural
land,
leading
to
a
decline
in
cropland
productivity.
The
Northeast
region
is
an
important
grain-producing
China,
and
land
great
significance
ensuring
national
food
security.
Here,
use
cover
data
MODIS-NPP
were
used
comprehensively
understand
direct
adverse
influence
urban
growth
on
net
primary
productivity
(NPP)
China.
results
indicated
that
(1)
area
increased
by
total
5230.00
km2
since
2000.
phenomenon
was
particularly
notable
cities
near
central
transportation
trunk
line
along
southern
coastal
regions.
(2)
more
than
half
newly
added
patches
originated
from
cropland.
Between
2000
2020,
expansion
China
resulted
0.
85
Tg
C
NPP.
(3)
there
significant
regional
variation
NPP
loss.
low
altitude
slope
regions
experienced
most
Meanwhile,
large
developed
caused
losses,
dispersed
had
broader
impact
concentrated
expansion.
(4)
when
converting
crop
yield,
it
revealed
reduction
0.91
million
tons
grain
yield
These
findings
provide
valuable
insights
for
protection
strategies
offering
crucial
guidance
sustainable
practices.
Remote Sensing,
Journal Year:
2023,
Volume and Issue:
15(11), P. 2703 - 2703
Published: May 23, 2023
Carbon
storage
plays
an
important
role
in
the
global
carbon
cycle
and
climate
change
mitigation.
Understanding
relationship
between
land
use
can
significantly
contribute
to
neutrality
sustainable
development.
However,
most
previous
studies
only
analyze
due
change,
while
few
quantitatively
evaluate
contributions
of
various
transitions
(LUTs)
which
cannot
provide
enough
information
for
management.
In
context
rapid
urbanization
ecological
conservation,
Poyang
Lake
basin
(PYLB)
has
experienced
dramatic
affected
local
storage.
Therefore,
this
study
used
InVEST
model
PYLB
from
1990
2020.
Then,
Geo-information
Tupu
method
was
quantify
LUTs
identify
key
LUTs.
The
results
showed
that
decreased
by
17.26
Tg
gain
mainly
attributed
‘farmland
forestland’
(36.87%),
‘grassland
(22.58%),
water’
(15.89%).
contrast,
built-up
land’,
‘forestland
grassland’
contributed
39.94%,
28.06%,
13.25%
loss,
respectively.
Massive
loss
caused
expansion
should
attract
attention.
This
references
formulation
optimization
policies
achieve
development
PYLB.
Global Ecology and Conservation,
Journal Year:
2024,
Volume and Issue:
50, P. e02854 - e02854
Published: Feb. 15, 2024
With
the
rapid
development
of
urbanization
and
industrialization,
rural
functions
in
China's
mountainous
regions
have
tended
to
diversify,
use
sloping
cultivated
land
has
also
evolved.
Exploring
coupling
relationship
between
functional
diversification
evolution
is
great
significance
protection
areas
sustainable
villages.
We
constructed
a
theoretical
framework
analyze
interaction
then
verified
it
with
Fengjie
County,
China.
Our
research
results
show
that:
overall
agricultural
production
function,
industrial
leisure
tourism
social
security
ecological
conservation
function
County
continue
develop,
level
been
enhanced.
The
high
density
value
were
more
dispersed,
area
showed
decreasing
trend.
coordination
degree
gentle
downward
trend,
economic
decreased.
steep
sharp
firstly
increasing
two
kinds
increased.
study
can
be
summarized
into
four
modes
different
strategies
should
adopted
for
modes.
These
methods
findings
provide
reference
optimal
utilization
resources
other
areas.