Science Advances,
Journal Year:
2021,
Volume and Issue:
7(27), P. eabe9829 - eabe9829
Published: July 1, 2021
Live
woody
vegetation
is
the
largest
reservoir
of
biomass
carbon,
with
its
restoration
considered
one
most
effective
natural
climate
solutions.
However,
terrestrial
carbon
fluxes
remain
uncertainty
in
global
cycle.
Here,
we
develop
spatially
explicit
estimates
stock
changes
live
from
2000
to
2019
using
measurements
ground,
air,
and
space.
We
show
that
has
removed
4.9
5.5
PgC
year
−1
atmosphere,
offsetting
4.6
±
0.1
gross
emissions
disturbances
adding
substantially
(0.23
0.88
)
stocks.
Gross
removals
tropics
were
four
times
larger
than
temperate
boreal
ecosystems
combined.
Although
responsible
for
more
80%
fluxes,
soil,
dead
organic
matter,
lateral
transport
may
play
important
roles
sink.
Proceedings of the National Academy of Sciences,
Journal Year:
2020,
Volume and Issue:
117(6), P. 3015 - 3025
Published: Jan. 27, 2020
Maintaining
the
abundance
of
carbon
stored
aboveground
in
Amazon
forests
is
central
to
any
comprehensive
climate
stabilization
strategy.
Growing
evidence
points
indigenous
peoples
and
local
communities
(IPLCs)
as
buffers
against
large-scale
emissions
across
a
nine-nation
network
territories
(ITs)
protected
natural
areas
(PNAs).
Previous
studies
have
demonstrated
link
between
land
management
avoided
deforestation,
yet
few
accounted
for
forest
degradation
disturbances-processes
that
occur
without
clearing
but
are
increasingly
important
drivers
biomass
loss.
Here
we
provide
accounting
dynamics
inside
outside
lands.
Using
published
data
on
changes
density
cover,
track
gains
losses
from
conversion
degradation/disturbance.
We
find
ITs
PNAs
more
than
one-half
(58%;
41,991
MtC)
region's
2016
were
responsible
just
10%
(-130
net
change
(-1,290
MtC).
Nevertheless,
nearly
billion
tons
lost
both
(-434
MtC
-423
MtC,
respectively),
with
degradation/disturbance
>75%
7
countries.
With
deforestation
increasing,
neglected
significant
source
region-wide
(47%),
our
results
suggest
sustained
support
IPLC
stewardship
critical.
IPLCs
global
environmental
service
merits
increased
political
protection
financial
support,
particularly
if
Basin
countries
achieve
their
commitments
under
Paris
Climate
Agreement.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Feb. 23, 2021
Abstract
Forest
disturbance
regimes
are
expected
to
intensify
as
Earth’s
climate
changes.
Quantifying
forest
vulnerability
disturbances
and
understanding
the
underlying
mechanisms
is
crucial
develop
mitigation
adaptation
strategies.
However,
observational
evidence
largely
missing
at
regional
continental
scales.
Here,
we
quantify
of
European
forests
fires,
windthrows
insect
outbreaks
during
period
1979–2018
by
integrating
machine
learning
with
data
satellite
products.
We
show
that
about
33.4
billion
tonnes
biomass
could
be
seriously
affected
these
disturbances,
higher
relative
losses
when
exposed
(40%)
fires
(34%)
compared
(26%).
The
spatial
pattern
in
strongly
controlled
interplay
between
characteristics
background
climate.
Hotspot
regions
for
located
borders
envelope,
both
southern
northern
Europe.
There
a
clear
trend
overall
driven
warming-induced
reduction
plant
defence
outbreaks,
especially
high
latitudes.
Science Advances,
Journal Year:
2021,
Volume and Issue:
7(27), P. eabe9829 - eabe9829
Published: July 1, 2021
Live
woody
vegetation
is
the
largest
reservoir
of
biomass
carbon,
with
its
restoration
considered
one
most
effective
natural
climate
solutions.
However,
terrestrial
carbon
fluxes
remain
uncertainty
in
global
cycle.
Here,
we
develop
spatially
explicit
estimates
stock
changes
live
from
2000
to
2019
using
measurements
ground,
air,
and
space.
We
show
that
has
removed
4.9
5.5
PgC
year
−1
atmosphere,
offsetting
4.6
±
0.1
gross
emissions
disturbances
adding
substantially
(0.23
0.88
)
stocks.
Gross
removals
tropics
were
four
times
larger
than
temperate
boreal
ecosystems
combined.
Although
responsible
for
more
80%
fluxes,
soil,
dead
organic
matter,
lateral
transport
may
play
important
roles
sink.