Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Окт. 9, 2024
Introduction
The
impacts
of
plastic
pollution
on
soil
ecosystems
have
emerged
as
a
significant
global
environmental
concern.
progress
in
understanding
how
affects
microbial
communities
and
ecological
functions
is
essential
for
addressing
this
issue
effectively.
Methods
A
bibliometric
analysis
was
conducted
the
literature
from
Web
Science
Core
Collection
database
to
offer
valuable
insights
into
dynamics
trends
field.
Results
To
date,
effects
residues
enzymatic
activities,
biomass,
respiration
rate,
community
diversity
been
examined,
whereas
microbes
are
still
controversial.
Discussion
include
comprehensive
examination
combined
residue
properties
(Type,
element
composition,
size
age),
(soil
texture,
pH)
at
environmentally
relevant
concentrations
with
various
exposure
durations
under
field
conditions
future
studies
crucial
holistic
impact
ecosystems.
Risk
assessment
pollution,
particularly
nanoplasctics,
perspective
food
web
ecosystem
multifunctioning
also
needed.
By
critical
knowledge
gaps,
scholars
can
play
pivotal
role
developing
strategies
mitigate
risks
posed
by
microorganisms.
Toxics,
Год журнала:
2025,
Номер
13(3), С. 143 - 143
Опубликована: Фев. 20, 2025
Wetlands
are
one
of
the
most
crucial
ecosystems
for
regulating
carbon
sequestration
and
mitigating
global
climate
change.
However,
disturbance
to
dynamics
caused
by
microplastics
(MPs)
in
wetlands
cannot
be
overlooked.
This
review
explores
impacts
MPs
on
cycles
within
wetland
ecosystems,
focusing
underlying
physicochemical
microbial
mechanisms.
The
accumulation
sediments
can
severely
destabilize
plant
root
functions,
disrupting
water,
nutrient,
oxygen
transport,
thereby
reducing
biomass
development.
Although
may
temporarily
enhance
storage,
they
ultimately
accelerate
mineralization
organic
carbon,
leading
increased
atmospheric
dioxide
emissions
undermining
long-term
sequestration.
A
critical
aspect
this
process
involves
shifts
community
structures
driven
selective
colonization
MPs,
which
affect
decomposition
methane
production,
thus
posing
a
threat
greenhouse
gas
emissions.
Notably,
dissolved
matter
derived
from
biodegradable
promote
photoaging
coexisting
enhancing
release
harmful
substances
aged
further
impacting
microbial-associated
due
disrupted
metabolic
activity.
Therefore,
it
is
imperative
deepen
our
understanding
adverse
effects
mechanisms
health
cycles.
Future
strategies
should
incorporate
regulation
ecological
engineering
techniques
develop
effective
methodologies
aimed
at
maintaining
sustainable
capacity
affected
MP
contamination.
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 11, 2025
Microplastics
(MPs)
are
known
to
affect
soil
carbon
stability
in
a
numerous
ways.
However,
the
mechanisms
by
which
they
alter
within
aggregates
remain
unclear
.
Herein,
one-year
field
experiment
was
conducted
an
arid
agricultural
region
employing
stable
isotope
techniques
evaluate
organic
flow
presence
of
both
persistent
(PE,
PVC)
and
biodegradable
(PLA,
PHA)
MPs.
PE
PVC
reduced
aggregates,
while
PLA
PHA
maintained
it.
Additionally,
content
increased
microaggregates
but
decreased
small
macroaggregates
for
treatments.
By
contrast,
treatment
with
enhanced
across
aggregates.
The
δ13C
values
PE-
PVC-treated
ranged
from
-25.34
-20.85‰,
those
-16.29
-9.26‰.
Notably,
MPs
altered
direction
between
flux,
accelerated
emissions.
RFP
PLS-PM
analyses
revealed
that
affected
primarily
via
abiotic
factors,
whereas
influenced
it
biotic
factors.
These
findings
provide
insights
into
impact
aggregate-associated
carbon,
highlighting
their
effects
on
ecosystem
services.
Agronomy,
Год журнала:
2025,
Номер
15(5), С. 1069 - 1069
Опубликована: Апрель 28, 2025
This
research
investigated
the
interaction
between
labile
and
stable
fractions
of
soil
organic
carbon
(SOC)
during
cultivation
cassava
in
sandy
northeastern
Thailand
over
a
period
five
years.
We
collected
surface
samples
(0–30
cm)
from
this
region,
utilizing
combination
cow
chicken
manure
along
with
dried
distilled
grains
(DDGs)
fermentation
for
ethanol
production,
to
monitor
compare
effects
continuous
mixed
fertilization
on
SOC,
fractions,
pH,
nitrogen
phosphorus
levels
throughout
five-year
varying
land
use
ages
(LUA)
pre-fertilization
state.
study
proposed
that
fertilizers
could
increase
levels.
indicates
application
years
does
not
lead
significant
carbon;
however,
it
may
result
temporary
alterations
different
fractions.
The
showed
Labile
(LBC)
fraction
was
at
its
lowest
before
fertilization,
peaking
LUA
3
increasing
by
5.44–25.50%
after
fertilizer
addition.
first
year
revealed
high
non
(NLBC)
levels,
exceeding
60%,
comparison
pre-fertilizer
period.
In
second
year,
NLBC
declined
5,
change
statistically
significant.
After
pre-fertilization,
concentration
recalcitrant
(REC)
did
significantly
decrease.
Nitrate
(NO3−-N)
concentrations
exhibited
no
fluctuation
pre-and
post-fertilization.
Furthermore,
Bray
II-extractable
(P(B))
decreased
(i.e.,
1
4).
pH
dropped
addition
fertilizer,
particularly
year.
found
strong
positive
links
SOC
such
as
(r
=
0.54
***)
POXC
0.49
***).
However,
neither
LBC
nor
less
(LLBC)
any
correlations
SOC.
negative
were
observed
ammonium
(NH4+-N)
NO3−-N
types,
LBC,
LLBC,
POXC,
while
noted
NLBC,
REC.
From
there
are
various
amounts
which
cause
following
effects:
inclusion
seems
enhance
decomposition
rather
than
accumulation.
NLCB
persist
longer
duration
resulting
retention
soil.
Our
results
suggested
implementation
systematic
testing
strategy
temporal
variations
nutrient
Using
right
both
would
improve
health
help
store
through
fertilizers.
