ACS Agricultural Science & Technology,
Journal Year:
2024,
Volume and Issue:
4(5), P. 614 - 625
Published: April 9, 2024
This
study
examines
microplastics
(MPs)
for
the
first
time
in
soil
of
Diamond
City,
Surat
(Gujarat,
India)
terms
their
abundance,
distribution,
chemical
composition,
and
ecological
risk
assessment.
A
stereomicroscope
Fourier
transform
infrared
spectroscopy
were
used
to
measure
physical
properties
MPs.
The
outcome
showed
omnipresence
MPs
city's
soil,
with
an
average
abundance
103.2
±
57.28
particles
100
g–1.
Over
90%
all
made
polyethylene
(70.19%),
polypropylene
(17.53%),
poly(ethylene
terephthalate)
(6.92%)
polymers.
white/transparent-colored
having
a
size
about
2–5
mm
are
predominantly
available.
principal
component
analysis
(PCA)
results
indicate
that
discovered
samples
mostly
represented
by
fragments
fibers,
which
account
52.90%
total
variance
data
set.
Additionally,
current
research,
assessment
pollution
load
index
(PLI),
polymer
hazard
(PHI),
(ERI)
studied.
PLI
values
greater
than
1
observed,
indicating
sampling
sites
polluted
Based
on
type
polymer,
toxicity
found
sample,
evaluation
concluded
there
is
moderate
medium
associated
polluting
city
soil.
greatest
PHI
value
this
239.69
(risk
category:
medium),
while
lowest
8.69
low).
greenness
profile
method
was
assessed
using
software-based
analytical
metric
(AGREE)
tool.
developed
approach
partially
green,
as
shown
AGREE
score
0.53.
present
investigations
emphasize
critical
importance
taking
action
metropolitan
areas
such
mitigate
MP
improve
waste
management
practices
greener
cleaner
ecosystem
future.
These
findings
will
inspire
creation
ecofriendly
alternatives
crucial
reducing
plastic
consumption,
safeguarding
ecosystems,
mitigating
MPs'
impact
quality.
Environmental Science Processes & Impacts,
Journal Year:
2023,
Volume and Issue:
25(5), P. 929 - 940
Published: Jan. 1, 2023
Microplastic
(MP)
pollution
is
a
major
global
issue
that
poses
serious
threats
to
aquatic
organisms.
Although
research
on
MP
has
been
extensive,
the
relationship
between
MPs
and
water
quality
parameters
in
estuarine
systems
unclear.
This
work
studied
spatiotemporal
distribution
characteristics
of
Karnaphuli
River
estuary,
Bangladesh.
abundance
was
calculated
by
towing
with
plankton
net
(300
μm
mesh
size)
at
three
river
gradients
(up-,
mid-
downstream)
association
physicochemical
(temperature,
pH,
salinity,
electrical
conductivity,
total
dissolved
solids,
oxygen)
patterns
also
investigated.
Mean
higher
during
wet
season
(April)
(4.33
±
2.45
items
per
m3)
compared
dry
(September)
(3.65
2.54
m3).
In
descending
order,
highest
observed
downstream
(6.60
>
midstream
(3.15
upstream
(2.22
pH
temperature
were
key
correlated
(r
=
-0.74
0.74
respectively).
Indicating
if
low
or
high
temperature,
there
likely
be
present
water.
Most
particles
film-shaped,
white
color,
1-5
mm
size.
Of
six
polymers
detected,
polypropylene
(PP),
polystyrene
(PS),
polyethylene
terephthalate
(PET),
cellulose
predominant,
comprising
roughly
17-19%
each.
These
results
can
used
model
transport
freshwater
ecosystem
estuary
Bangladesh
help
develop
future
mitigation
strategies.
Oceans,
Journal Year:
2024,
Volume and Issue:
5(3), P. 398 - 428
Published: June 21, 2024
Microplastics
are
ubiquitous
in
marine
environments
and
have
been
documented
across
all
ocean
compartments,
especially
surface
waters,
the
world.
Even
though
several
studies
identify
presence
of
microplastics
world’s
five
oceans,
there
remains
an
overt
problem
large
inconsistencies
their
sampling,
extraction,
consequent
quantification.
Despite
complexity
these
methodologies,
researchers
tried
to
explore
microplastic
abundance
waters.
Using
a
systematic
review
approach,
dataset
was
derived
from
73
primary
undertaken
since
year
2010
following
Oslo
Paris
Conventions
(OSPAR)
guidelines
monitor
harmonise
debris.
The
results
showed
differences
distribution
waters
oceans.
overall
concentration
oceans
ranged
between
0.002
62.50
items/m3,
with
mean
2.76
items/m3.
highest
found
Atlantic
(4.98
items/m3),
while
least
observed
Southern
Ocean
(0.04
items/m3).
While
challenging,
this
paper
recommends
harmonisation
separation,
identification
methods
globe
aid
design
appropriate
mitigation
strategies
for
reducing
plastic
pollution.
Journal of Hazardous Materials Advances,
Journal Year:
2022,
Volume and Issue:
7, P. 100099 - 100099
Published: May 25, 2022
Microplastics
have
been
reported
in
sediments,
surface
water,
and
aquatic
organisms,
including
seafood,
thus
transferred
to
food
chains.
This
paper
summarizes
the
emerging
concern
of
microplastic
pollution
highlights
mitigation
policies
action
plans
Sundarban
Delta
regions
Bay
Bengal.
is
largest
mangrove
forest
with
vibrant
rich
biodiversity,
facing
severe
threats
because
human
activities
climate
change.
Anthropogenic
plastic
litter
has
found
Bengal
also
Sundarban,
which
can
cause
substantial
forests.
More
than
56
tons
wastes
were
immediately
after
cyclone
'Amphan'
2020
due
unregulated
relief
packaged
materials
using
plastics.
Interestingly,
microplastics
ultimately
transported
from
various
rivers
waved
off
mangrove.
It
observed
that
4
million
tonnes
discharged
annually
India
Bangladesh
Trophic
transfer
their
bioaccumulation
result
significant
ecological
damage
delta.
Although
governments
taking
different
policy
measures
for
protecting
areas,
more
interventions
are
required
tackle
contaminants
like
microplastics.
Other
issues
may
arise
huge
load
microplastics,
such
as
degradation
natural
resources,
unsustainable
livelihoods,
poverty.
In
this
regard,
joint
initiatives
both
countries
consider
risk
assessments,
biodiversity
conservation,
sustainable
development.
