Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: June 1, 2023
Forests
play
a
critical
role
in
stabilizing
Earth's
climate.
Establishing
protected
areas
(PAs)
represents
one
approach
to
forest
conservation,
but
PAs
were
rarely
created
mitigate
climate
change.
The
global
impact
of
on
the
carbon
cycle
has
not
previously
been
quantified
due
lack
accurate
global-scale
stock
maps.
Here
we
used
~412
million
lidar
samples
from
NASA's
GEDI
mission
estimate
total
PA
aboveground
(C)
61.43
Gt
(+/-
0.31),
26%
all
mapped
terrestrial
woody
C.
Of
this
total,
9.65
+
/-
0.88
additional
was
attributed
status.
These
higher
C
stocks
are
primarily
avoided
emissions
deforestation
and
degradation
compared
unprotected
forests.
This
is
roughly
equivalent
year
annual
fossil
fuel
emissions.
results
underscore
importance
conservation
high
biomass
forests
for
avoiding
preserving
future
sequestration.
Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: Oct. 27, 2020
Abstract
Sustainable
soil
carbon
sequestration
practices
need
to
be
rapidly
scaled
up
and
implemented
contribute
climate
change
mitigation.
We
highlight
that
the
major
potential
for
is
in
cropland
soils,
especially
those
with
large
yield
gaps
and/or
historic
organic
losses.
The
implementation
of
measures
requires
a
diverse
set
options,
each
adapted
local
conditions
management
opportunities,
accounting
site-specific
trade-offs.
propose
establishment
information
system
containing
localised
on
group,
degradation
status,
crop
gap,
associated
carbon-sequestration
potentials,
as
well
provision
incentives
policies
translate
options
into
region-
soil-specific
practices.
Global Change Biology,
Journal Year:
2021,
Volume and Issue:
27(23), P. 6025 - 6058
Published: Oct. 11, 2021
Land-based
climate
mitigation
measures
have
gained
significant
attention
and
importance
in
public
private
sector
policies.
Building
on
previous
studies,
we
refine
update
the
potentials
for
20
land-based
>200
countries
five
regions,
comparing
"bottom-up"
sectoral
estimates
with
integrated
assessment
models
(IAMs).
We
also
assess
implementation
feasibility
at
country
level.
Cost-effective
(available
up
to
$100/tCO2
eq)
is
8-13.8
GtCO2
eq
yr-1
between
2020
2050,
bottom
end
of
this
range
representing
IAM
median
upper
estimate.
The
cost-effective
estimate
about
40%
available
technical
potential
line
achieving
a
1.5°C
pathway
2050.
Compared
potentials,
represent
more
realistic
actionable
target
policy.
approximately
50%
from
forests
other
ecosystems,
35%
agriculture,
15%
demand-side
measures.
varies
sixfold
across
regions
assessed
(0.75-4.8
GtCO2eq
)
top
15
account
60%
global
potential.
Protection
ecosystems
present
particularly
high
efficiency,
provision
co-benefits,
relatively
lower
costs.
suggests
that
governance,
economic
investment,
socio-cultural
conditions
influence
likelihood
are
realized.
A
substantial
portion
(80%)
developing
LDCs,
where
barriers
greatest
concern.
Assisting
overcome
may
result
quantities
near-term,
low-cost
while
locally
important
adaptation
development
benefits.
Opportunities
among
vary
widely
depending
types
available,
their
co-benefits
risks,
feasibility.
Enhanced
investments
country-specific
plans
accommodate
complexity
urgently
needed
realize
large
improved
land
stewardship.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2021,
Volume and Issue:
376(1834), P. 20210084 - 20210084
Published: Aug. 4, 2021
The
soil
carbon
(C)
stock,
comprising
organic
C
(SOC)
and
inorganic
(SIC)
being
the
largest
reservoir
of
terrestrial
biosphere,
is
a
critical
part
global
cycle.
Soil
has
been
source
greenhouse
gases
(GHGs)
since
dawn
settled
agriculture
about
10
millenia
ago.
Soils
agricultural
ecosystems
are
depleted
their
SOC
stocks
magnitude
depletion
greater
in
those
prone
to
accelerated
erosion
by
water
wind
other
degradation
processes.
Adoption
judicious
land
use
science-based
management
practices
can
lead
re-carbonization
soils
make
them
sink
for
atmospheric
C.
humid
climates
have
potential
increase
storage
arid
semiarid
store
both
SIC.
Payments
managers
sequestration
soil,
based
on
credible
measurement
changes
at
farm
or
landscape
levels,
also
important
promoting
adoption
recommended
practices.
In
conjunction
with
rapid
aggressive
reduction
GHG
emissions
across
all
sectors
economy,
(and
vegetation)
be
an
negative
method
limiting
warming
1.5
2°C
This
article
theme
issue
'The
role
delivering
Nature's
Contributions
People'.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: June 22, 2023
Anthropogenic
activities
profoundly
impact
soil
organic
carbon
(SOC),
affecting
its
contribution
to
ecosystem
services
such
as
climate
regulation.
Here,
we
conducted
a
thorough
review
of
the
impacts
land-use
change,
land
management,
and
change
on
SOC.
Using
second-order
meta-analysis,
synthesized
findings
from
230
first-order
meta-analyses
comprising
over
25,000
primary
studies.
We
show
that
(i)
conversion
for
crop
production
leads
high
SOC
loss,
can
be
partially
restored
through
management
practices,
particularly
by
introducing
trees
incorporating
exogenous
in
form
biochar
or
amendments,
(ii)
practices
are
implemented
forests
generally
result
depletion
SOC,
(iii)
indirect
effects
wildfires,
have
greater
than
direct
(e.g.,
rising
temperatures).
The
our
study
provide
strong
evidence
assist
decision-makers
safeguarding
stocks
promoting
restoration.
Furthermore,
they
serve
crucial
research
roadmap,
identifying
areas
require
attention
fill
knowledge
gaps
concerning
factors
driving
changes
