Medium-Term Effect of Livestock Grazing Intensities on the Vegetation Dynamics in Alpine Meadow Ecosystems
Land,
Год журнала:
2025,
Номер
14(3), С. 591 - 591
Опубликована: Март 12, 2025
The
dynamics
and
plant
composition
of
toxic
weeds
in
alpine
meadows
are
strongly
influenced
by
management
practices
such
as
livestock
grazing.
Here,
the
effect
grazing
on
vegetation
soil
characteristics
within
an
meadow
ecosystem
was
assessed
over
a
5-year
period.
experimental
treatments
comprised
no
(control),
light
(5
sheep/ha),
moderate
(10
heavy
(15
sheep/ha).
both
edible
grass
weeds,
along
with
soil’s
physicochemical
biological
properties,
were
evaluated.
Under
grazing,
biomass
increased
15.0%,
while
species
decreased
57.0%
compared
to
control.
findings
indicated
that
after
5
years,
changed
significantly,
Taraxacum
mongolicum
Tibetia
himalaica
decreasing
disappearing
under
treatments.
Conversely,
like
Stellera
chamaejasme
Euphorbia
micractina
emerged
or
Additionally,
richness
from
6.3
control
14.2
Regarding
levels
glucosidase,
amylase,
cellulose
39.0%,
53.0%,
40.0%,
respectively.
amount
available
potassium
initially
then
results
demonstrated
quality
cover
properties
directly
depend
land
management.
Overall,
kept
better
chemical
state
palatable
plants
at
desirable
level,
which
also
controlled
abundance
weeds.
Enhancing
nutrient
conditions,
adding
nitrate
fertilizers,
can
be
effective
restoring
grasslands
have
been
severely
degraded
Язык: Английский
Long-term Kentucky bluegrass cultivation enhances soil quality and microbial communities on the Qinghai-Tibet Plateau
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Март 24, 2025
Introduction
Nature-based
Solutions
(NbS)
provide
a
comprehensive
strategy
for
environmental
management,
focusing
on
the
protection,
sustainable
use,
and
restoration
of
natural
modified
ecosystems.
Cultivated
grasslands
are
form
NbS,
offering
benefits
such
as
increased
biodiversity,
improved
soil
fertility,
greater
ecosystem
resilience.
They
widely
acknowledged
their
positive
impact
restoring
degraded
grasslands.
Kentucky
bluegrass
(Poa
pratensis
L.)
is
used
Qinghai-Tibet
Plateau.
However,
long-term
cultivation
can
lead
to
above-ground
degradation,
which
challenges
its
effectiveness
in
health.
Methods
This
study
investigates
impacts
quality,
nutrients,
enzyme
activities,
microbial
communities
across
different
recovery
stages.
Field
experiments
were
conducted
analyze
quality
dynamics
during
early
(2nd
year),
mid
(6th
late
(10th
year)
succession
stages
cultivated
Our
results
show
that
mid-stages,
total
nitrogen,
phosphorus,
organic
carbon
storage
significantly
lower
compared
undegraded
grasslands,
with
lowest
observed
stage
(P<
0.05).
by
stage,
improved,
contents
exceeding
those
14.59%.
These
improvements
driven
enhanced
community
nitrogen
cycling
promoted
nutrient
utilization
matter
decomposition.
process
was
accompanied
rise
diversity,
supporting
resilience
function.
Soil
emerged
key
determinant
both
appropriate
fertilization
strategies
found
effectively
enhance
grassland
productivity
Discussion
Overall,
this
highlights
potential
improving
fertility
structure
over
time,
providing
insights
into
management
practices
maintain
services
Язык: Английский
The responses of soil erosion resistance to the farmland abandonment of bedding/inverse slopes in karst trough valley
Soil and Tillage Research,
Год журнала:
2025,
Номер
252, С. 106577 - 106577
Опубликована: Апрель 15, 2025
Язык: Английский
Responses of Soil Infiltration and Erodibility to Vegetation Succession Stages at Erosion and Deposition Sites in Karst Trough Valleys
Forests,
Год журнала:
2024,
Номер
15(12), С. 2167 - 2167
Опубликована: Дек. 9, 2024
The
topographies
of
soil
erosion
and
deposition
are
critical
factors
that
significantly
influence
quality,
subsequently
impacting
the
erodibility
soils
in
karst
regions.
However,
investigation
into
effects
on
across
different
stages
vegetation
succession
trough
valleys
is
still
at
a
preliminary
stage.
Therefore,
three
distinct
topographic
features
(dip
slopes,
anti-dip
valley
depressions)
were
selected
(dip/anti-dip
slope)
sites
(valley)
to
investigate
spatial
heterogeneity
physicochemical
properties,
infiltration
capacity,
aggregate
stability,
valleys.
Additionally,
five
forests
considered:
Abandoned
land
stage
(ALS),
Herb
(HS),
Herb-Shrub
(HES),
Shrub
(SHS),
Forest
(FS).
relationships
among
these
analyzed
identify
key
driving
influencing
erodibility.
results
revealed
properties
stability
site
superior
those
site.
FS
resulted
best
whereas
HS
highest
within
capacity
was
greater
than
sites.
ALS
had
strongest
both
(0.064)
(0.051),
with
observed
slopes
during
HES
(0.142).
structural
equation
model
reveals
topographies,
succession,
aggregates,
characteristics
collectively
account
for
88%
variation
under
conditions.
Specifically,
direct
indirect
influences
most
exerted
by
succession.
This
study
provides
scientific
evidence
support
management
ecological
restoration
while
offering
technical
assistance
regional
improvement
poverty
alleviation.
Язык: Английский