Water,
Journal Year:
2022,
Volume and Issue:
15(1), P. 60 - 60
Published: Dec. 24, 2022
Lakes
are
the
greatest
reserve
of
available
superficial
inland
fresh
water
and
concurrently
one
most
threatened
ecosystems.
Among
many
pollutants,
plastics
contaminate
lakes
worldwide;
notwithstanding
that,
little
is
known
on
impacts
macroplastics.
The
aim
this
work
to
provide
first
global
overview
scientific
articles
researching
macroplastic
pollution
in
lakes.
Articles
were
selected
from
Web
Science
Scopus
databases.
We
performed
a
bibliometric
analysis
results
publication
trend,
geographical
distribution
study
areas,
investigated
matrix
(i.e.,
water,
sediment,
biota),
as
well
abundance
type
shape,
litter
category,
polymer)
lacustrine
also
compared
articles’
methodologies.
Fourteen
collected
(the
trend
increasing
recent
years),
showing
diffuse
contamination
by
Research
efforts
mostly
focused
shoreline
assessments.
There
lack
information
methodological
standardisation
size
definition,
sampling
protocol,
categories),
which
limits
comparison
article
outputs.
propose
definition
macroplastics
>5
mm
adoption
UNEP/IOC
protocol
sample
lake
shoreline.
suggest
focusing
future
investigations
(1)
testing
standardisation,
(2)
understanding
factors
influencing
dispersal,
(3)
assessing
biota.
Environmental Research,
Journal Year:
2022,
Volume and Issue:
218, P. 114961 - 114961
Published: Dec. 8, 2022
Due
to
their
seemingly
ubiquitous
nature
and
links
environmental
human
health
problems,
microplastics
are
quickly
becoming
a
major
concern
worldwide.
Artificial
environments,
such
as
those
found
in
urban
represent
some
of
the
main
sources
microplastic.
However,
very
few
studies
have
focused
on
occurrence
soils.
The
aim
current
research
was
evaluate
microplastic
contamination
soils
from
artificial
natural
land
uses
throughout
Coimbra
city,
Portugal.
Sixty-seven
spaces
ten
use
areas
were
evaluated.
dumps,
landfills,
parking
lots,
industries
construction
areas,
forests,
parks,
moors
(wetlands),
pastures
agricultural
areas.
Microplastic
extraction
done
by
density
separation.
Quantification
size
measurements
carried
out
using
microscope.
Polymer
types
identified
μ-FTIR
for
25%
samples.
content
ranged
5
×
103
571
particles·kg−1,
with
mean
106
particle·kg−1.
green
park
highest
concentration
(158
particle·kg−1)
forest
one
lowest
(55
particle·kg−1).
landfill
(150
particle·kg−1),
industry
(127
dump
(126
levels
microplastics.
polymers
detected
polypropylene
polyethylene,
followed
polyvinyl
chloride
rubber,
sizes
measured
between
50
250
μm.
Our
results
indicate
that
can
contain
higher
amounts
compared
environment.
This
suggests
easily
transported
through
landscape
retain
Land
planning
may
present
an
opportunity
better
control
environments.
The Science of The Total Environment,
Journal Year:
2022,
Volume and Issue:
849, P. 157870 - 157870
Published: Aug. 6, 2022
Microplastics
pollution
is
a
growing
environmental
concern.
However,
microplastics
studies
in
high
altitude
remote
lakes
are
scarce.
In
this
study,
was
assessed
the
shore
sediment
of
three
Ladakh
Indian
Himalaya,
namely
Pangong
Lake,
Tsomoriri
Lake
and
Tsokar
Lake.
Sampling
performed
August
2019.
Two
different
pretreatment
methods
were
implemented
with
samples
from
same
sites,
resulting
two
sets
samples.
One
set
pretreated
utilizing
enzymatic
degradation
together
Fenton
reactions.
Another
sites
30
%
hydrogen
peroxide
(H2O2)
reaction.
Enzymatically
resulted
higher
concentrations
than
H2O2
samples,
which
indicated
that
varies
even
among
site
procedure
may
impact
on
reported
concentrations.
Considering
both
microplastic
concentration
160-1000
MP/kg
dw
960-3800
Blank
correction
based
limit
detection
quantification
at
some
studied
quantification.
The
findings
study
Himalaya
contaminated
microplastics.
addition,
comparison
using
illustrated
importance
harmonization
to
enable
reliable
data.
Therefore,
contributes
towards
an
assessment
high-altitude
Himalaya.
attributed
clearer
understanding
regarding
need
demonstrated
reporting
complete
information
research.
