Journal of Marine Science and Engineering,
Год журнала:
2023,
Номер
11(1), С. 90 - 90
Опубликована: Янв. 3, 2023
Microplastic
(MP)
contamination
in
the
marine
environment
has
received
growing
attention.
In
2022,
surface
water
of
U-Taphao
River
was
sampled
four
times,
February,
April,
June,
and
August.
The
samples
were
taken
at
seven
different
locations,
ranging
from
upstream
to
downstream
parts
river.
results
reveal
that
number
MPs
detected
August
0.41
±
0.08,
0.25
±0.06,
0.24
0.11,
0.26
0.06
particles/L,
respectively.
each
month
not
statistically
(p
=
0.190).
trend
found
declined
downstream.
Fibers
most
commonly
this
study
more
than
80%
all
stations
during
sample
collection
periods.
Our
indicate
MP
is
present
river
water,
but
it
noted
slightly
polymer
types
month.
can
be
transferred
through
food
chain
potentially
humans.
Regular
monitoring
riverine
system
is,
therefore,
important,
for
which
findings
used
as
a
baseline
region.
Environmental Research,
Год журнала:
2023,
Номер
226, С. 115594 - 115594
Опубликована: Март 10, 2023
Estuarine
contamination
by
Microplastics
(MPs)
is
a
mater
of
serious
concern
since
these
areas
offer
the
society
valuable
ecosystem,
economic,
and
recreational
services
such
as
breeding
feeding
ground
for
fish,
carbon
fixation,
nutrients
recycling
port
development.
The
Meghna
estuary,
located
along
Bengal
delta
coast,
provides
livelihoods
thousands
peoples
in
Bangladesh,
served
national
Hilsha
shad.
Therefore,
knowledge
understanding
on
any
kind
pollution
including
MPs
this
estuary
essential.
In
study,
abundance,
characteristics
assessment
from
surface
water
were
investigated
first
time.
results
demonstrated
that
present
all
samples
abundance
ranged
33.33
to
316.67
item/m3
with
mean
value
128.89
±
67.94
item/m3.
Morphological
analyses
resulted
four
types
fibers
(87%),
fragments
(6%),
foam
(4%),
films
(3%)
majority
being
colored
(62%)
smaller
(<0.5
mm)
size
(88%).
On
other
hand,
FTIR
analysis
chemical
confirmed
five
polymers,
polythene
(PE),
polystyrene
(PS),
terephthalate
(PET),
polypropylene
(PP),
polyvinyl
chloride
(PVC).
area
was
determined
be
moderately
severely
contaminated
based
factor
(CF)
values
(6.18
2.08
2.50
1.0)
pollutant
load
index
(PLI)
(1.94
0.33)
>
3-6
CF,
>1
PLI.
These
can
utilized
develop
policy
protection
important
environment.
