Marine Pollution Bulletin,
Год журнала:
2023,
Номер
195, С. 115552 - 115552
Опубликована: Сен. 20, 2023
This
review
presents
the
spatial
distribution
(where)
and
methods
applied
(how)
in
assessing
Microplastics
(MPs)
contamination
sediments,
water,
organisms
mangrove
areas.
We
analyzed
53
articles
on
MPs
Asia,
America,
Africa
produced
by
359
authors,
although
very
localized,
lacking
wide-scale
coverage
of
coasts
around
world.
The
results
showed
that
most
studies
provided
MP's
bulk
characteristics
(type,
size,
color,
form),
along
with
global
gross
reserves
compartments.
Investigations
areas
are
still
relatively
limited.
Therefore,
for
future
research,
it
is
relevant
to
enhance
temporal
sampling
MP
establish
standardized
protocols
enable
effective
comparisons
between
areas,
rivers,
beaches,
coastal
seas.
In
addition,
crucial
investigate
role
as
carriers
or
vectors
other
pollutants.
Environmental Pollution,
Год журнала:
2024,
Номер
349, С. 123985 - 123985
Опубликована: Апрель 13, 2024
Microplastics
pose
a
significant
environmental
threat,
with
potential
implications
for
toxic
chemical
release,
aquatic
life
endangerment,
and
human
food
chain
contamination.
In
Asia,
rapid
economic
growth
coupled
inadequate
waste
management
has
escalated
plastic
pollution
in
rivers,
positioning
them
as
focal
points
concern.
Despite
Asia's
rivers
being
considered
the
most
polluted
plastics
globally,
scholarly
attention
to
microplastics
region's
freshwater
environments
is
recent
development.
This
study
undertakes
systematic
review
of
228
articles
map
microplastic
hotspots
Asian
systems
synthesize
current
research
trends
within
continent.
Findings
reveal
concentration
China
Japan,
primarily
investigating
riverine
surface
waters
through
net-based
sampling
methods.
Polyethylene
(PE),
polypropylene
(PP),
polyethylene
terephthalate
(PET)
emerge
predominant
types,
frequently
observed
fibers
or
fragments.
However,
diversity
methodologies
reporting
metrics
complicates
data
synthesis,
underscoring
need
standardized
analytical
frameworks
facilitate
comparative
analysis.
paper
delineates
distribution
outlines
prevailing
challenges
prospects
contexts.
Environmental Science Processes & Impacts,
Год журнала:
2023,
Номер
25(5), С. 929 - 940
Опубликована: Янв. 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.
Civil Engineering Journal,
Год журнала:
2024,
Номер
10(4), С. 1265 - 1291
Опубликована: Апрель 1, 2024
In
an
extensive
exploration
of
microplastics
within
soil
environments,
our
study
aims
to
investigate
the
presence,
spread,
and
ecological
impact
in
soil,
focusing
on
Makassar
City,
Indonesia.
Using
a
Sinher
binocular
digital
microscope,
we
visually
examined
samples
Petri
dishes,
measuring
microplastic
sizes
with
Image-J
software.
Fourier-transform
infrared
(FTIR)
spectroscopy
was
also
employed
for
additional
identification
analysis
polymer
compositions.
Our
research
uncovered
widespread
presence
across
diverse
types
land
uses,
including
residential,
fishpond,
agricultural,
landfill,
coastal,
bareland
areas.
The
concentration
these
found
be
between
16.6
21.9
particles/gram,
showing
consistency
most
some
variations
coastal
We
noted
significant
variety
forms,
predominantly
fragments
films,
different
uses.
A
wide
range
colors
observed,
blue,
green,
red,
transparent.
Polyethylene
(PE)
polypropylene
(PP)
were
identified
as
predominant
polymers.
highlights
non-uniform
distribution
suggesting
potential
impacts
organisms
wider
ecosystem.
These
findings
underscore
critical
need
more
comprehensive
implications
environments.
Doi:
10.28991/CEJ-2024-010-04-017
Full
Text:
PDF
