Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 4, 2025
Abstract
Afforestation
of
abandoned
cropland
represents
a
promising
strategy
for
land-based
climate
change
mitigation,
particularly
in
regions
where
land
resources
additional
afforestation
are
limited.
However,
the
carbon
sequestration
potential
such
remains
largely
unknown.
Here,
we
assess
spatial
distribution
China
and
its
through
incentives,
using
10,818
empirical
data
derived
from
298
peer-reviewed
articles,
multisource
remote
sensing
data,
machine
learning
models.
We
identify
6.03
Mha
that
have
been
undergoing
natural
regeneration
since
early
21st
century.
This
has
to
sequester
an
215.12–218.94
Tg
biomass
15.87–17.64
soil
organic
(SOC)
by
2060,
representing
51.95–53.94%
increase
compared
alone.
Our
results
further
show
benefits
could
offset
47.71–49.57%
government
investments
(approximately
USD
16.254
billion)
cropland.
findings
highlight
significant
on
support
China’s
neutrality
goals,
while
also
offering
cost-benefit
framework
guide
policy
decisions.