Human degradation of tropical moist forests is greater than previously estimated
Nature,
Год журнала:
2024,
Номер
631(8021), С. 570 - 576
Опубликована: Июль 3, 2024
Abstract
Tropical
forest
degradation
from
selective
logging,
fire
and
edge
effects
is
a
major
driver
of
carbon
biodiversity
loss
1–3
,
with
annual
rates
comparable
to
those
deforestation
4
.
However,
its
actual
extent
long-term
impacts
remain
uncertain
at
global
tropical
scale
5
Here
we
quantify
the
magnitude
persistence
multiple
types
on
structure
by
combining
satellite
remote
sensing
data
pantropical
moist
cover
changes
estimates
canopy
height
biomass
spaceborne
6
light
detection
ranging
(LiDAR).
We
estimate
that
decreases
owing
logging
15%
50%,
respectively,
low
recovery
even
after
20
years.
Agriculture
road
expansion
trigger
20%
30%
reduction
in
edge,
persistent
being
measurable
up
1.5
km
inside
forest.
Edge
encroach
18%
(approximately
206
Mha)
remaining
forests,
an
area
more
than
200%
larger
previously
estimated
7
Finally,
degraded
forests
50%
are
significantly
vulnerable
subsequent
deforestation.
Collectively,
our
findings
call
for
greater
efforts
prevent
protect
already
meet
conservation
pledges
made
recent
United
Nations
Climate
Change
Biodiversity
conferences.
Язык: Английский
Applications of unoccupied aerial systems (UAS) in landscape ecology: a review of recent research, challenges and emerging opportunities
Landscape Ecology,
Год журнала:
2025,
Номер
40(2)
Опубликована: Фев. 8, 2025
Язык: Английский
AI-Powered IoT and UAV Systems for Real-Time Detection and Prevention of Illegal Logging
Results in Engineering,
Год журнала:
2024,
Номер
unknown, С. 103277 - 103277
Опубликована: Окт. 1, 2024
Язык: Английский
Overgrazing on unmanaged grassland interfered with the restoration of adjacent grazing-banned grassland by affecting soil properties and microbial community
Frontiers in Microbiology,
Год журнала:
2024,
Номер
14
Опубликована: Янв. 4, 2024
A
"grazing
ban"
policy
has
been
implemented
in
some
pastoral
areas
China
to
fence
degraded
grasslands
for
restoration.
However,
fencing
increased
grazing
pressures
unmanaged
grasslands.
Based
on
the
mechanism
of
negative
edge
effect,
we
investigated
whether
overgrazing
grassland
interfered
with
restoration
adjacent
grazing-banned
by
affecting
soil
properties
and
microbial
community
using
a
sample
Hulun
Buir
Inner
Mongolia,
order
optimize
policy.
Plant
were
sampled
30
m
away
from
(UM)
(adjacent
UM)
30-60
(not
(F-30
F-60
m).
The
species
richness
diversity
plant
communities
ASV
number
fungal
significantly
decreased
F-30
UM,
Simpson
index
bacterial
compared
m.
abundance
fungi
involved
organic
matter
decomposition
stress-resistant
bacteria
increased,
while
litter
UM
simplification
water
total
carbon
contents
can
explain
variations
both
results
PLS-PM
show
that
changes
function
guilds
may
affect
those
changing
contents.
These
indicate
community.
should
be
adjusted
periodically
avoid
effects.
Язык: Английский
Edge effect impacts on forest structure and carbon stocks in REDD+ projects: An assessment in the Amazon using UAV-LiDAR
Forest Ecology and Management,
Год журнала:
2025,
Номер
585, С. 122646 - 122646
Опубликована: Март 13, 2025
Язык: Английский
Influence of forest canopy structure on temperature buffering in young planted forests with varied tree species compositions revealed by terrestrial laser scanning
Agricultural and Forest Meteorology,
Год журнала:
2025,
Номер
371, С. 110640 - 110640
Опубликована: Май 21, 2025
Язык: Английский
Forest and tree species distribution on the ultramafic substrates of New Caledonia
Botany Letters,
Год журнала:
2023,
Номер
170(3), С. 412 - 424
Опубликована: Март 27, 2023
About
a
third
of
New
Caledonia
is
covered
with
ultramafic
soils
(UM)
which
hosts
rich
flora
(endemism
>
85%)
threatened
by
mining
activities.
This
combination
makes
the
vegetation
floristic
hotspot
within
biodiversity
hotspot.
UM
are
distributed
from
sea
level
to
1618
m
elevation
about
two-thirds
forming
large
continuous
unit
while
remaining
forms
numerous
relatively
small
isolated
units.
Here,
we
provide
synthesis
distribution
forest
and
tree
species
across
22
We
compiled
an
extensive
occurrence
dataset
(109,896
occurrences
1,065
species)
new
expert-based
map
at
1:3000
spatial
resolution.
Only
10%
these
represented
more
than
50%
occurrences,
had
only
one
or
two
occurrences.
A
quarter
area
did
not
contain
any
estimated
that
on
average
remained
be
inventoried
in
Forest
covers
one-third
areas
coverage
ranging
1.7%
72.3%
different
increased
14.6%
93.3%
1,200
elevation.
30%
90%
were
located
concessions,
14.5%
73%,
respectively,
protected
areas.
recommend
setting
up
substrate,
specially
Northern
province,
protect
diversity
it
harbours.
Язык: Английский
Remote sensing application in forest monitoring and climate changes
Опубликована: Авг. 4, 2023
Dissertação
(Mestrado)
-
Язык: Английский
The influence of forest structure on the abundance, biomass, and composition of lianas in tropical forest fragments
Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 20, 2023
Abstract
Deforestation
in
the
Amazon
creates
fragmented
landscapes
and
increases
exposure
of
forest
remnants
to
altered
microclimates,
leading
structural
changes
that
can
alter
vegetation
density
forest's
vertical
profile.
Trees
are
crucial
defining
tropical
structure,
but
lianas
contribute
as
much
25%
species
intercept
10–20%
total
light
forest.
While
is
known
about
effects
fragmentation
on
trees,
less
lianas.
Our
study
aimed
understand
how
liana
structure
composition
community
respond
fragmentation,
especially
forest-structural
distance
edge,
Central
Amazonia.
We
used
data
from
1,336
individuals
(diameter-at-breast-height
≥
2
cm)
172
recorded
ha
Then,
we
tested
relationship
abundance,
biomass,
number
a
function
parameters
obtained
through
Terrestrial
LiDAR,
3D-remote-sensing
technique,
edge.
At
sites
with
lower
canopy
vegetation,
abundance
richness
both
increased.
However,
biomass
occurred
only
near
edges.
conclude
unanalyzed
factors,
such
microclimatic
variation
intrinsic
characteristics
lianas,
may
be
affecting
composition.
In
long
term,
effect
reduced
climate
change
cause
further
fragments.
Язык: Английский