Agronomy,
Journal Year:
2024,
Volume and Issue:
15(1), P. 47 - 47
Published: Dec. 27, 2024
Microplastics
are
emerging
as
widespread
modern
pollutants,
posing
a
variety
of
health
and
environmental
risks.
found
in
agriculture;
they
often
introduced
via
biosolids
from
wastewater
treatment
plants
sold
alternatives
to
inorganic
fertilizers.
In
Australia,
there
has
been
limited
research
on
the
agricultural
concentrations
microplastics,
no
predictive
modelling
identify
which
geographies
most
at
risk
for
pollution.
Based
global
trends,
this
study
uses
geospatial
map
potential
high-risk
areas
microplastics
within
an
area
Murray-Darling
Basin
New
South
Wales,
Australia.
doing
so,
demonstrates
use
methodology
that
may
be
used
future
assessments,
both
Australia
globally.
Risk
index
mapping
was
conducted
three
different
pollutant
transport
pathways:
rainfall-runoff
in-soil
retention
groundwater
infiltration
microplastics.
Particular
were
identified
each
pathway,
providing
visualised
results
represent
value
its
methodology.
Water,
Journal Year:
2025,
Volume and Issue:
17(8), P. 1168 - 1168
Published: April 14, 2025
The
migration
and
driving
factors
of
microplastics
(MPs),
as
an
emerging
pollutant,
have
been
reported
in
plateau
lakes.
However,
whether
MPs
can
accumulate
to
extreme
degree
the
local
aquatic
organisms
lakes
remains
unclear.
Therefore,
present
study
mainly
aims
investigate
accumulated
tissues
grass
carp
well
reveal
their
processes
Caohai
watershed,
a
typical
lake
southwest
China.
Density
flotation
(saturated
NaCl
solution)
laser
direct
infrared
imaging
spectrometry
were
used
analyze
relative
abundance
morphological
characteristics
MPs,
respectively.
results
showed
that
MPs’
soil,
water,
sediments
ranged
from
1.20
×
103
1.87
104
n/kg,
9
223
n/L,
5.00
102
1.02
contents
composition
forestland
soils
more
plentiful
comparison
with
cultivated
land
marshy
grassland
soils.
Polyethylene
(PE),
polyvinylchloride
(PVC),
PA
caprolactam
(PA6),
hexamethylene
diamine
adipic
acid
(PA66)
detected
carp,
PE
was
all
organs
carp.
MP
concentrations
stomach,
intestines,
tissue,
skin,
gills
54.94
178.59
mg/kg.
pollution
probably
originated
anthropogenic
(road
traffic,
farming
activities,
habits
residents
scattered
around
area,
etc.)
due
watershed’s
considerable
proximity
Weining
city.
In
addition,
wind,
runoff,
rivers,
atmospheric
deposition
locality
directly
indirectly
promoted
migration.
Our
suggested
although
there
is
moderate
sediment,
other
areas,
it
necessary
pay
attention
PVC
via
various
environmental
media
risks
associated
consuming
government
make
several
policies
reuse
recycle
agricultural
film
alleviate
pollution.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(8), P. 3516 - 3516
Published: April 14, 2025
Microplastics
(MPs)
in
agricultural
soils
pose
risks
to
human
health
their
potential
accumulation
along
the
food
chain,
and
characteristics
require
further
understanding
implement
targeted
measures.
This
study
investigated
MP
typical
mulching
from
different
farming
scales
Sichuan
Province,
which
is
one
of
China’s
key
regions,
it
also
innovatively
measured
ecological
risk
by
incorporating
size
into
assessments.
The
sites
showed
average
microplastic
abundances
19696.81
±
13226.89,
these
were
dominated
small-sized
ethylene–propylene
copolymer
(E/P),
polypropylene
(PP),
polyethylene
(PE)
particles
yellow-to-brown
black-to-shallow-gray
soil.
Size-considered
evaluation
suggested
that
most
at
a
high
level
risk.
It
was
found
pollution
varies
with
scales.
Larger-scale
primarily
received
MPs
plastic
mulching,
while
smaller-scale
likely
affected
range
non-agricultural
sources.
assessment
significant
contributions
polyamide
(PA)
polyphenylene
sulfide
(PPS).
These
results
indicate
environmental
management
strategies
should
tailor
source
control
measures
according
prioritize
high-risk
polymers,
as
well
evaluations
include
“size”
“pollution
load”
“chemical
composition”
better
reflect
impact
on
ecosystems.
