Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(3), P. 1142 - 1154
Published: Jan. 1, 2024
Abstract
Soil
bacterial
communities
play
a
crucial
role
in
the
evaluation
of
soil
ecosystem
stability.
Vegetation
restoration
is
key
determinant
areas
affected
by
erosion.
However,
it
remains
unclear
how
structure
and
diversity
vary
with
depth.
In
this
study,
we
collected
samples
from
0
to
10
cm,
20
30
40
cm
depths
vegetation
sites
located
typical
erosion
China.
We
compared
analyzed
differences
community
characteristics
among
different
depths,
using
untreated
as
controls.
Compared
areas,
abundance
bacteria
0–10
10–20
20–30
increased
1.63,
1.04,
1.29
times,
respectively.
Furthermore,
enhanced
at
depths.
organic
carbon
(OC)
was
main
explanatory
factor
(53.50%,
p
=
0.000)
for
decrease
Additionally,
after
dominant
composition
shifted
Chloroflexi
Actinobacteria
Proteobacteria
30–40
The
were
primarily
driven
total
nitrogen
(TN)
content,
which
explained
up
34.5%
variation.
conclusion,
subsequent
management
sites,
increasing
OC
TN
content
can
enhance
diversity,
improve
composition,
ultimately
stability
ecosystems.
Earth System Dynamics,
Journal Year:
2022,
Volume and Issue:
13(2), P. 795 - 808
Published: April 13, 2022
Abstract.
Addressing
the
sustainability
challenges
that
humanity
is
facing
in
Anthropocene
requires
coupling
of
human
and
natural
systems,
rather
than
their
separate
treatment.
To
help
understand
dynamics
a
coupled
system
(CHANS)
support
design
policies
measures
promote
sustainability,
we
propose
conceptual
cascade
framework
“pattern–process–service–sustainability”,
which
characterized
by
landscape
patterns
ecological
processes,
linking
processes
to
ecosystem
services,
promoting
social–ecological
sustainability.
The
use
this
illustrated
review
CHANS
research
experience
China's
Loess
Plateau
(LP),
well-known
region
for
its
historically
severe
soil
erosion
successful
restoration
achieved
recent
decades.
Ecological
LP
has
greatly
increased
vegetation
coverage
controlled
erosion.
However,
some
accompanied
issues,
like
drying
areas
due
introduction
exotic
plant
species
mismanagement
planted
water
conflicts
between
humans
caused
trade-off
carbon
sequestration
supply,
have
started
threaten
long-term
LP.
Based
on
comprehensive
understanding
dynamics,
can
be
improved
through
enhancing
food
security,
implementing
basin-wide
governance,
maintaining
achievements,
rural
livelihood
transition.
accumulated
offers
examples
application
pattern–process–service–sustainability
framework.
Future
using
should
especially
focus
integrated
multiple
processes;
cascades
structure,
function,
well-being;
feedback
mechanisms
systems;
data
models
Abstract
Recent
concurrent
processes
of
vegetation
greening
and
reduced
resilience
(the
capacity
to
recover
from
disturbances)
worldwide
have
brought
many
uncertainties
into
sustainable
ecosystems
in
the
future.
However,
little
is
known
about
conditions
extent
which
affects
changes.
Here
we
assess
both
dynamics
China’s
Loess
Plateau
2000
2020
using
satellite-based
data
an
early
warning
indicator.
Our
results
reveal
overall
trend
vegetated
areas,
while
shifted
gains
losses
at
a
breakpoint
2010.
Vegetation
generally
contributed
gains,
whereas
increased
temperature
precipitation
variability
loss
observed
2011–2020.
These
findings
provide
empirical
evidence
that
does
not
necessarily
correspond
increase
resilience.
We
therefore
recommend
integrating
indicators
ecological
restoration
conservation
efforts
gain
more
comprehensive
understanding
states
support
effective
ecosystem
stewardship.
Earth s Future,
Journal Year:
2024,
Volume and Issue:
12(2)
Published: Jan. 31, 2024
Abstract
Terrestrial
ecosystems
can
exhibit
various
behaviors
in
response
to
climate
change
and
human
activities.
Nonlinear
abrupt
shifts
are
particularly
important
as
they
indicate
substantial
modifications
ecosystem
structure
function,
posing
a
threat
the
provision
of
services.
Here
we
distinguish
between
linear,
curvilinear,
productivity
from
2000
2020
China's
Loess
Plateau.
We
utilize
spatial
Random
Forest
models
analyze
driving
factors
behind
these
patterns.
Our
findings
that
84.1%
experienced
positive
plant
productivity,
while
small
proportion
(2.5%)
exhibited
negative
change.
Abrupt
prevalent
both
changes
with
often
manifesting
(79.3%).
Negative
shifts,
primarily
associated
activities
characterized
by
increased
nighttime
light
urbanization.
Land
conversion
forest
is
linked
curvilinear
trajectory
nonlinear
acceleration.
Higher
water
availability
wetter
environment
more
likely
promote
productivity.
Moderate
warming
trends
contribute
high
changes.
highlight
importance
accounting
for
diverse
development
targeted
conservation
restoration
measures.
