From plankton to fish: The multifaceted threat of microplastics in freshwater environments
Aquatic Toxicology,
Год журнала:
2025,
Номер
279, С. 107242 - 107242
Опубликована: Янв. 7, 2025
Язык: Английский
Quantification of the toxic metals in microplastics from seawater and beach sediments by SF-ICP-MS: comparison of different sample preparation methods
International Journal of Environmental & Analytical Chemistry,
Год журнала:
2025,
Номер
unknown, С. 1 - 14
Опубликована: Фев. 10, 2025
Язык: Английский
A study of changes in nitrogen and phosphorus patterns and microplastic characteristics in sediment-water systems
Applied Mathematics and Nonlinear Sciences,
Год журнала:
2024,
Номер
9(1)
Опубликована: Янв. 1, 2024
Abstract
The
main
objective
of
this
study
was
to
characterize
the
distribution
microplastics
and
nitrogen
phosphorus
forms
in
surface
sediments
Lake
Luoma,
where
samples
were
collected
from
August
2022
March
2024
32
sampling
sites.
enrichment
factor
method
pollution
load
index
used
extensively
analyze
environmental
characterization
heavy
metals
Luoma’s
sediments.
Shape
differences
estimate
individual
particle
volume
mass,
microplastic
storage
calculations
per
sediment
calculated
by
combining
percentage
each
shape.
results
showed
that
average
ammonia
content
water
Luoma
346.49
mg/kg,
nitrate
9.75
mg/kg.
Phosphorus
mostly
present
form
iron
phosphorus,
with
a
detection
rate
85.67%.
Most
area’s
are
line
Ⅲ
quality
standard
“Environmental
Quality
Standard
for
Surface
Water”,
but
total
points
is
more
than
0.1mg/L,
which
serious
pollution.
mean
abundance
5506.45±2537.21
n·m
−3
,
showing
trend
in-lake
>
confluent
tributaries
out-lake.
Microplastics
released
into
upstream
flow,
moved
downstream,
settled
again.
Язык: Английский
Effects of the reopening of the Grand-Bassam inlet on the seasonal dynamics of some trace metals in the superficial sediments from the area II of the Ébrié system
Bi Bénié Jean-Claude Drida,
Marcel Konan Yao
Earthline Journal of Chemical Sciences,
Год журнала:
2024,
Номер
unknown, С. 65 - 84
Опубликована: Дек. 8, 2024
The
objective
of
this
work
was
to
assess
the
impacts
permanent
reopening
Grand-Bassam
inlet
on
seasonal
dynamics
thirteen
trace
metals
in
superficial
sediments
area
II
from
Ébrié
system.
In
its
implementation,
sediment
samples
were
collected
over
a
year
(from
May
2023
April
2024).
concentrations
these
obtained
by
inductively
coupled
plasma
mass
spectrometry
(ICP
MS)
according
ISO
17294-2
after
dissolution
NF
X31-147.
results
showed
significant
input
meteorological
inputs
during
rainy,
cold,
and
flood
seasons,
except
for
Cr,
whose
presence
substrates
mainly
related
strong
marine
intrusion
hot
season.
modification
geochemical
physical
characteristics
due
pass
significantly
influenced
study
period.
A
reduction
use
containing
high
efficient
treatment
anthropogenic
discharges
with
metal
content
watershed
ecosystem
should
be
considered
support
depollution
initiated
inlet.
Язык: Английский