Sustainability,
Год журнала:
2023,
Номер
15(4), С. 3073 - 3073
Опубликована: Фев. 8, 2023
To
tackle
ecological
problems,
many
restoration
projects
have
been
implemented
in
northern
China.
Identifying
the
drivers
of
vegetation
change
is
critical
for
continued
engineering.
In
this
study,
three
typical
reserves
Three-North
Shelter
Forest
Program
Region
(TNSFR)
were
selected
to
identify
their
development
characteristics
and
driving
mechanisms
using
normalized
difference
index
(NDVI),
climate
factors,
land
use
data.
The
results
show
that
(1)
NDVIs
increased
range
human
activities
all
reserves,
indicating
an
obvious
effect
projects.
(2)
planting
period,
was
mainly
correlated
with
activities.
After
entering
tending
impact
changes
on
dynamics
enhanced.
(3)
Temperature
precipitation
provided
approximate
effects
I,
while
Regions
II
III
more
strongly
precipitation.
(4)
proportion
areas
measures
exceeded
50%
regions.
short,
dominated
quantity
restoration,
influenced
quality
restoration.
Forests,
Год журнала:
2024,
Номер
15(3), С. 486 - 486
Опубликована: Март 5, 2024
China
has
implemented
several
ecological
projects
in
the
Loess
Plateau
region
to
address
severe
land
degradation
and
soil
erosion.
Accurately
assessing
restoration
its
driving
factors
remains
challenging.
Previous
studies
this
area
concentrated
on
have
mainly
focused
natural
at
regional
or
watershed
scale,
with
limited
consideration
of
socioeconomic
county
scale.
In
study
conducted
Huanglong
County
Plateau,
focus
was
fill
gaps
previous
research
provide
insights
into
forces
behind
vegetation
greening.
Remote
sensing
image
data
(NDVI)
from
1999
2019
were
used
analyze
greenness
dynamics
region.
Five
variables
considered,
including
afforestation
intensity,
deforestation
agricultural
village
road
intensity
layers,
characterize
impact
afforestation,
agriculture,
urbanization
policies.
The
RESTREND
(residual
trends)
method
employed
assess
relative
importance
climate
human
activities
dynamics.
This
found
that
temperature–NDVI
relationships
are
more
suitable
for
building
models
than
precipitation–NDVI
relationships.
Human
activity
main
driver
dynamics,
contributing
62%
compared
38%
change.
Agricultural
practices
a
positive
restoration,
while
had
no
significant
impact.
These
findings
highlight
conceptual
framework
understanding
intricate
relationship
between
climatic
factors,
Plateau.
suggests
progress
been
made
through
efforts
combating
degradation.
However,
it
emphasizes
need
strengthen
conservation
gradually
transition
toward
processes
driven
by
sustainable
development.
methodology
can
be
applied
explore
other
regions
facing
human-driven
Forests,
Год журнала:
2023,
Номер
14(2), С. 259 - 259
Опубликована: Янв. 30, 2023
The
status
and
drivers
of
soil-available
nutrients
in
plant-recovered
soils
are
not
fully
understood,
limiting
our
ability
to
explore
the
role
soil
geochemical
cycling
ecosystem
sustainability.
Here,
we
combined
spatial
distribution
chemical
aggregate
properties
from
six
types
(subalpine
meadow
soil,
dark
brown
yellow-brown
cinnamon
soil)
three
horizons
(a
leaching
horizon,
sediment
parent
material
horizon)
study
nutrients.
Our
findings
reveal
that
nitrogen
(AN)
ranged
72.33
169.67
mg/kg,
phosphorus
(AP)
1.77
75.90
potassium
(AK)
46.43
88.55
mg/kg
types.
subalpine
had
highest
AN,
with
means
139.35
respectively.
AP,
a
mean
75.9
AK,
83.49
results
show
depths
significant
impact
on
AK
(p
<
0.05).
Moreover,
higher
cation
exchange
capacity
(CEC),
macro-aggregate
contents
(with
2–1
mm
1–0.5
particle
sizes)
non-water-stable
aggregates,
content
stability
(2–1
size
geometric
diameter
(GMD)
water-stable
aggregates
were
deemed
facilitate
because
positive
correlations
Lower
exchangeable
cations
(ECs)
micro-aggregate
(≤0.1
size)
helped
accumulation
potassium,
regulation
was
found
vary
type
horizon
correlation
analysis.
Together,
provide
insights
into
importance
regulating
nutrient
availability
across
types,
as
well
providing
strong
support
for
inclusion
resource
utilization
regional
forest
restoration
management.
Sustainability,
Год журнала:
2023,
Номер
15(4), С. 3073 - 3073
Опубликована: Фев. 8, 2023
To
tackle
ecological
problems,
many
restoration
projects
have
been
implemented
in
northern
China.
Identifying
the
drivers
of
vegetation
change
is
critical
for
continued
engineering.
In
this
study,
three
typical
reserves
Three-North
Shelter
Forest
Program
Region
(TNSFR)
were
selected
to
identify
their
development
characteristics
and
driving
mechanisms
using
normalized
difference
index
(NDVI),
climate
factors,
land
use
data.
The
results
show
that
(1)
NDVIs
increased
range
human
activities
all
reserves,
indicating
an
obvious
effect
projects.
(2)
planting
period,
was
mainly
correlated
with
activities.
After
entering
tending
impact
changes
on
dynamics
enhanced.
(3)
Temperature
precipitation
provided
approximate
effects
I,
while
Regions
II
III
more
strongly
precipitation.
(4)
proportion
areas
measures
exceeded
50%
regions.
short,
dominated
quantity
restoration,
influenced
quality
restoration.
