Applied Sciences,
Год журнала:
2024,
Номер
15(1), С. 165 - 165
Опубликована: Дек. 28, 2024
The
abandonment
of
cultivated
land
has
profoundly
affected
the
agroecological
landscape,
national
food
security,
and
farmer
livelihoods,
especially
in
China.
Based
on
use
change
survey
data
geoinformation
data,
this
paper
identified
distribution
abandoned
analyzed
overall
characteristics
spatial
differentiation
patterns
results
showed
that:
(1)
In
2017,
area
China
was
approximately
9.10
million
hectares,
with
an
rate
5.57%.
(2)
had
obvious
differences,
trend
“inverted
U”
shape
from
east
to
west.
(3)
pattern
a
spreading
scattered
concentrated
continuous
expansion
edges
large
cities
remote
rural
areas
main
grain-producing
regions
fertile
land.
(4)
great
impact
grain
production
capacity,
there
are
differences
among
provinces.
lost
40.89
tons
yield
due
abandonment,
accounting
for
6.48%
total
yield,
loss
potential
reached
254.45
tons.
driven
not
only
by
social
effects
under
dual
structure
urban
but
also
rational
choices
farmers
balance
policy,
income,
opportunity
cost
framework
urbanization.
future,
policy
tools
such
as
fallowing,
conversion,
high
farmland
construction
standards,
subsidies
should
be
used
implement
differentiated
policies
optimize
use.
Frontiers in Sustainable Food Systems,
Год журнала:
2025,
Номер
9
Опубликована: Апрель 28, 2025
The
global
food
crisis
is
becoming
increasingly
severe,
highlighting
the
need
to
enhance
cultivated
land
system
resilience
improve
utilization
efficiency
and
strengthen
its
ability
withstand
external
shocks,
ensuring
security.
This
study
examines
13
major
grain-producing
areas
in
China
clarify
coupling
coordination
mechanism
between
new
urbanization.
An
evaluation
constructed,
development
levels
are
assessed
using
entropy
method,
degree
model,
obstacle
model.
main
results
as
follows:
(1)
Cultivated
urbanization
China’s
have
exhibited
a
steady
upward
trend.
(2)
has
increased
from
0.5512
0.6788.
(3)
primary
factors
at
criterion
layer
output
resilience,
scale
To
urbanization,
policies
should
be
reinforced,
of
agricultural
labor
productivity
improved,
planning
optimized,
regional
linkages
enhanced.
