Sustainability,
Journal Year:
2023,
Volume and Issue:
15(5), P. 4504 - 4504
Published: March 2, 2023
Microplastics
and
nanoplastics
(MPs/NPs)
are
posing
emerging
potential
threats
to
global
ecosystems
human
health.
Recently,
the
individual
effects
of
MPs/NPs
combined
MPs/NPs-coexisting
pollutants
on
soil–terrestrial
plant
systems
have
attracted
increasing
attention.
Based
latest
research
progress,
this
review
firstly
summarized
sources
interaction
between
coexisting
in
soil
environment,
then
systematically
induced
their
multilevel
impacts
properties
terrestrial
plants.
Soil
agroecosystem
major
long-term
sinks
primary
secondary
MPs/NPs,
with
extensive
sources.
exhibit
universal
adsorption
capacities
can
further
serve
as
vectors
for
varied
heavy
metal,
organic
biological
contaminants.
Generally,
combination
contaminants
may
affect
physical,
chemical
microbiological
properties,
structure
functions,
while
specific
degree
depend
MP/NP
characteristics
including
polymer
type,
size,
shape,
concentration
degradability.
Increasing
evidence
confirmed
uptake
translocation
plants
proved
influence
growth
performance,
metabolism
physiological
toxicity,
well
cytotoxicity
genotoxicity.
The
vary
a
function
MP/NPs
species
environmental
conditions.
joint
complex,
synergistic,
antagonism
neutralization
been
reported
at
different
circumstances.
Further
comprehensive
in-depth
studies
urgently
needed
fulfill
current
knowledge
gaps,
especially
deficiency
inherent
mechanisms.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(15), P. 4379 - 4405
Published: July 22, 2024
Abstract
Microplastics
(MPs)
as
emerging
contaminants
have
a
global
occurrence,
including
both
terrestrial
and
marine
ecosystems.
Soil
enzymes
contribute
to
maintaining
ecosystem
multifunctionality,
for
example,
nutrient
cycling,
organic
material
decomposition,
carbon
climate
regulation.
Our
present
review
highlights
the
impacts
of
MPs
on
soil
enzyme
activities,
influencing
factors,
underlying
mechanisms.
Increasing
findings
confirm
that
can
change
activities
range
involved
in
biogeochemical
cycling
C
N.
However,
current
results
are
highly
controversial.
The
effects
vary
from
significant
nonsignificant
dependent
polymer
type,
biodegradability,
dosage,
size,
shape,
aging
degree
MPs,
exposure
conditions.
Compared
traditional
biodegradable
generally
show
more
pronounced
effects.
via
different
pathways.
On
one
hand,
directly
structure,
leading
alterations
activity.
other
create
unique
habitats,
provide
sources
specific
functional
microbes
producing
enzymes,
release
plastic
additives
pollutants
disturbing
production
these
enzymes.
Furthermore,
alter
physicochemical
biological
properties,
availability
substrates,
plants
fauna,
regulating
their
functions.
In
conclusion,
regulate
pose
profound
impact
multifunctionality.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
272, P. 116082 - 116082
Published: Feb. 8, 2024
Microplastics
(MPs)
are
widely
identified
as
emerging
hazards
causing
considerable
eco-toxicity
in
terrestrial
ecosystems,
but
the
impacts
differ
different
ecosystem
functions
among
chemical
compositions,
morphology,
sizes,
concentrations,
and
experiment
duration.
Given
close
relationships
trade-offs
between
plant
soil
systems,
probing
"whole
ecosystem"
instead
of
individual
must
yield
novel
insights
into
MPs
affecting
ecosystems.
Here,
a
comprehensive
meta-analysis
was
employed
to
reveal
an
unambiguous
response
plant-soil-microbial
system
MPs.
Results
showed
that
view
plant,
soil,
microbial
functions,
general
patterns
were
obviously
opposite.
For
example,
polyethylene
(PE)
polyvinyl
chloride
(PVC)
highly
increased
while
posed
negative
effects
on
functions.
Polystyrene
(PS)
biodegradable
(Bio)
decreased
stimulating
Additionally,
low-density
(LDPE),
PE,
PS,
PVC,
Bio,
granular
significantly
These
results
clearly
revealed
alter
equilibrium
system.
More
importantly,
our
further
tended
increase
multifunctionality,
e.g.,
LDPE
PVC
positive
Bio
neutral
multifunctionality.
Linear
regression
analysis
under
low
size
(<100
µm),
multifunctionality
gradually
reduced
with
The
concave
shape
pattern
along
gradient
experimental
duration
which
lower
than
70
days.
there
threshold
(i.e.,
5%
w/w)
for
concentration
i.e.,
(<
w/w),
MPs,
high
>
w/w).
findings
emphasize
importance
studying
systems
help
us
identify
ways
reduce
maintain
environmental
safety
ecology
perspective.
