Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 11, 2024
Abstract
Soil
cracking
induced
by
grassland
degradation
has
become
increasingly
common
in
the
Qinghai‐Tibetan
Plateau
recent
decades,
and
intensification
of
soil
implications
for
carbon
(C)
cycling.
However,
how
patchy
affects
aggregates
organic
C
underlying
mechanisms
remain
unclear.
In
present
study,
we
investigated
changes
across
various
stages
alpine
swamp
meadows.
The
results
showed
a
hump‐shaped
trend
proportion
macroaggregates,
mean
weight
diameter
(MWD),
macroaggregate‐associated
(MAOC),
their
contribution
to
(SOC)
throughout
sequence.
Conversely,
microaggregates
initially
decreased
then
increased,
with
microaggregate‐associated
(MIOC)
SOC
increasing
as
progressed.
Regression
piecewise
structural
equation
modeling
(SEM)
that
texture
played
decisive
role
change
MAOC
MIOC,
enzyme
activity
was
key
factor
leading
difference
between
MIOC.
Enhanced
accelerated
decomposition
while
favoring
accumulation
These
findings
are
crucial
understanding
influencing
physical
protection
under
degradation.
This
emphasized
turning
point
aggregate
trigger
severe
meadows,
warranting
proactive
measures
mitigate
its
onset
progression.
Soil Biology and Biochemistry,
Journal Year:
2024,
Volume and Issue:
193, P. 109396 - 109396
Published: March 9, 2024
Roots
and
the
associated
soil
directly
affected
by
root
activity,
termed
rhizosphere,
have
both
been
extensively
studied
recognized
for
their
crucial
role
in
functioning.
The
formation
of
rhizosphere
is
primarily
driven
effect
roots
on
shaping
physical
structure
soil,
which
turn
has
direct
feedbacks
interactions
between
physical,
biological
chemical
processes.
As
a
result,
hot
spot
microbial
cycling
nutrients
turnover
organic
matter.
Despite
pivotal
controlling
processes,
we
still
lack
quantitative
description
understanding
interrelationships
root-systems
creation
stabilization
structure.
We
provide
comprehensive
review
current
knowledge
novel
insights
into
processes
that
drive
rhizosphere.
These
are
regulated
multiple
indirect
pathways,
involving
growth,
production
rhizodeposits
hairs,
as
well
activity
microorganisms
fauna.
Further,
highlight
may
persist
evolve
after
death
to
an
extent
currently
largely
unknown.
Finally,
identify
five
pertinent
challenges
should
be
addressed
fully
apprehend
thus
harness
potential
resilience
plant-soil
interactions.
include
refining
structural
assessment
sampling
rhizosheaths,
examining
in-situ
bridging
gap
solid
phase
pore
scale
research.
In
our
view,
overcoming
these
obstacles
can
accomplished
combining
power
imaging
isotopic
approaches,
especially
at
field
scale,
encompassing
diverse
soils
plant
species.
ultimate
objective
future
research
upscale
conducting
more
experiments
concert
with
modeling
efforts,
under
umbrella
collaborative
interdisciplinary
Water,
Journal Year:
2025,
Volume and Issue:
17(4), P. 488 - 488
Published: Feb. 9, 2025
Reducing
carbon
emissions
and
increasing
sinks
have
become
the
core
issues
of
international
community.
Although
coastal
blue
ecosystems
(such
as
mangroves,
seagrass
beds,
salt
marshes
large
algae)
account
for
less
than
0.5%
seafloor
area,
they
contain
more
50%
marine
reserves,
occupying
an
important
position
in
global
cycle.
However,
with
rapid
development
economy
continuous
expansion
human
activities,
wetlands
suffered
serious
damage,
their
sequestration
capacity
has
been
greatly
limited.
Ecological
restoration
emerged
a
key
measure
to
reverse
this
trend.
Through
series
measures,
including
restoring
hydrological
conditions
damaged
wetlands,
cultivating
suitable
plant
species,
effectively
managing
invasive
species
rebuilding
habitats,
ecological
is
committed
functions
service
value.
Therefore,
paper
first
reviews
research
status
influencing
factors
wetland
sinks,
discusses
objectives,
types
measures
various
projects,
analyzes
impact
these
projects
on
sink
function,
proposes
suggestions
incorporating
enhancement
into
restoration.
Wetlands,
Journal Year:
2025,
Volume and Issue:
45(1)
Published: Jan. 1, 2025
There
are
increasing
global
efforts
and
initiatives
aiming
to
tackle
climate
change
mitigate
its
impacts
via
natural
solutions
(NCS).
Wetlands
have
been
considered
effective
NCS
given
their
capacity
sequester
retain
atmospheric
carbon
dioxide
(CO
Agricultural Water Management,
Journal Year:
2024,
Volume and Issue:
302, P. 109001 - 109001
Published: Aug. 9, 2024
Saline
soils
pose
complex
environmental
challenges
that
limit
fruit
tree
root
function.
Understanding
the
mechanisms
by
which
factors
drive
traits
in
zone
soil
is
crucial
for
improving
productivity
through
irrigation-based
regulation
of
structure.
This
study
aimed
to
identify
primary
drivers
and
driving
environment
on
traits,
as
influenced
water
content
saline
trees.
A
2-year
field
experiment
was
conducted
Korla,
Xinjiang,
investigate
effects
physicochemical
properties,
enzyme
activities,
nutrients
active
state
trace
elements
setting
different
irrigation
gradients
(Low:
3750
m
3
ha
−1
;
Moderate:
5250
High:
6750
).
Compared
low-irrigation
treatment,
results
showed
high-irrigation
treatment
decreased
electrical
conductivity
pH
21.6–30.5
%
1.4–5.5
%,
respectively,
increased
organic
matter,
available
phosphorus,
potassium
4.4–5.1
11.7–17.6
14.8–34.6
respectively.
Additionally,
catalase,
urease,
phosphatase
activities
30.0–33.1
21.6–22.0
30.0–30.2
enhancing
amount
promote
nutrient
migration
deeper
layers
providing
a
stable
suitable
main
zone.
Concurrently,
total
dataset
(TDS)
established
using
four
categories
15
indicators,
including
nutrients,
elements,
0–80
cm
soil.
The
machine
learning
models
were
used
screen
reveal
mechanism
traits.
Random
Forest
model
identified
phosphatase,
effective
temperature
with
an
increase
MSE
(%)
range
(10.3–15.6
%),
AP
(6.8–10.9
(8.3–16.9
%).
water-mediated
had
positive
effect
Therefore,
this
provides
theoretical
basis
programs
•
·ha
increasing
SOM
40–80
range.
AP,
T
are
Water-mediated
positively
affect
