Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(9), P. 2963 - 2981
Published: April 2, 2024
Abstract
In
recent
decades,
the
ubiquity
of
micro
and
nanoplastics
(MNPs)
pollution
has
emerged
as
a
global
concern
due
to
its
potential
risks
both
ecological
human
health.
The
detrimental
effects
MNPs
have
resulted
in
significant
changes
physicochemical
biological
properties
terrestrial
soil
benthic
sediment.
These
alterations
led
disrupted
nutrient
cycle,
future
climate
hazards,
further
impacts
on
ecosystem
services.
This
review
aims
discuss
possible
origins,
composition,
abundance,
life
transport
processes
aquatic
ecosystems.
It
seeks
understand
health
associated
with
explores
their
implications
for
biodiversity
conservation
Moreover,
this
highlights
advanced
analytical
techniques
used
detect
quantify
MNPs.
suggests
policy
frameworks
combat
natural
environments.
findings
are
intended
assist
environmentalists,
microbiologists,
hydrologists,
policymakers
identifying
scientific
gaps
pragmatic
solutions
reduce
pollution.
Future
research
should
investigate
intake
mechanism
impact
plants
different
ecosystems,
well
food
chains
will
ensure
that
can
be
timely
mitigated.
Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(8)
Published: Aug. 1, 2024
Abstract
Micro/nanoplastic
(MNP)
pollution
in
soil
ecosystems
has
become
a
growing
environmental
concern
globally.
However,
the
comprehensive
impacts
of
MNPs
on
health
have
not
yet
been
explored.
We
conducted
hierarchical
meta‐analysis
over
5000
observations
from
228
articles
to
assess
broad
parameters
(represented
by
20
indicators
relevant
crop
growth,
animal
health,
greenhouse
gas
emissions,
microbial
diversity,
and
pollutant
transfer)
whether
depended
MNP
properties.
found
that
exposure
significantly
inhibited
biomass
germination,
reduced
earthworm
growth
survival
rate.
Under
exposure,
emissions
gases
(CO
2
,
N
O,
CH
4
)
were
increased.
caused
decrease
bacteria
diversity.
Importantly,
magnitude
impact
soil‐based
was
dependent
dose
size;
however,
there
is
no
significant
difference
type
(biodegradable
conventional
MNPs).
Moreover,
As
uptake
plants,
but
promoted
plant
Cd
accumulation.
Using
an
analytical
hierarchy
process,
we
quantified
negative
as
mean
value
−10.2%
(−17.5%
−2.57%).
Overall,
this
analysis
provides
new
insights
for
assessing
potential
risks
ecosystem
functions.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(6), P. 2984 - 2997
Published: Feb. 2, 2024
Most
aquatic
plants
applied
to
ecological
restoration
have
demonstrated
a
clonal
growth
pattern.
The
risk-spreading
strategy
plays
crucial
role
in
facilitating
plant
under
external
environmental
stresses
via
integration.
However,
the
effects
of
different
concentrations
nanoplastics
(NPs)
on
traits
are
not
well
understood.
Therefore,
this
study
aimed
investigate
impact
NPs
exposure
seedlings
parent
and
connected
offspring
ramets.
A
dose
response
experiment
(0.1,
1,
10
mg
L–1)
showed
that
Eichhornia
crassipes
(water
hyacinth)
was
affected
by
100
nm
polystyrene
after
28
days
exposure.
Tracer
analysis
revealed
accumulated
transferred
ramets
through
stolon.
Quantification
when
exposed
L–1
alone
for
days,
contained
approximately
13
±
2
μg/g
NPs.
In
case
ramets,
leaf
root
biomass
decreased
24%–51%
32%–51%,
respectively,
NP
ranging
from
0.1
L–1.
Excessive
enrichment
had
detrimental
effect
photosynthetic
system,
decreasing
chlorophyll
content
nonphotochemical
quenching.
An
imbalance
antioxidant
defense
systems,
which
were
unable
cope
with
oxidative
stress
caused
concentrations,
further
damaged
various
organs.
system
can
take
up
then
transfer
them
Interference
observed
terms
activity,
metabolism,
biofilm
composition,
plant's
ability
purify
water.
employed
(interconnected
ramets)
offered
some
relief
NP-induced
stress,
as
it
increased
their
relative
rate
1
1.38
times
compared
individual
plants.
These
findings
provide
substantial
evidence
high
capacity
E.
remediation.
Nevertheless,
we
must
also
remain
aware
risk
associated
spread
within
crassipes,
contaminated
cloned
individuals
need
be
precisely
removed
timely
manner
maintain
normal
functions.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(14), P. 6258 - 6273
Published: March 7, 2024
Contamination
of
small-sized
plastics
is
recognized
as
a
factor
global
change.
Nanoplastics
(NPs)
can
readily
enter
organisms
and
pose
significant
ecological
risks.
Arbuscular
mycorrhizal
(AM)
fungi
are
the
most
ubiquitous
impactful
plant
symbiotic
fungi,
regulating
essential
functions.
Here,
we
first
found
that
an
AM
fungus,
Rhizophagus
irregularis,
increased
lettuce
shoot
biomass
by
25–100%
when
exposed
to
positively
negatively
charged
NPs
vs
control,
although
it
did
not
increase
grown
without
NPs.
The
stress
alleviation
was
attributed
upregulation
gene
expressions
involving
phytohormone
signaling,
cell
wall
metabolism,
oxidant
scavenging.
Using
root
organ-fungus
axenic
growth
system
treated
with
fluorescence-labeled
NPs,
subsequently
revealed
hyphae
captured
further
delivered
them
roots.
were
observed
at
hyphal
walls,
membranes,
spore
walls.
mediated
localized
epidermis,
cortex,
stele.
Hyphal
exudates
aggregated
thereby
reducing
their
uptake
due
NP
aggregate
formation
(up
5000
nm).
This
work
demonstrates
critical
roles
fungus
in
behaviors
provides
potential
strategy
for
risk
mitigation
terrestrial
ecosystems.
Consequent
NP-induced
impacts
affected
require
attention.
