Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 30, 2024
Marine
microplastic
is
pervasive,
polluting
the
remotest
ecosystems
including
Southern
Ocean.
Since
this
region
already
undergoing
climatic
changes,
additional
stress
of
pollution
on
ecosystem
should
not
be
considered
in
isolation.
We
identify
potential
hotspot
areas
ecological
impact
from
a
spatial
overlap
analysis
multiple
data
sets
to
understand
where
marine
biota
are
likely
interact
with
local
emissions
(from
ship
traffic
and
human
populations
associated
scientific
research
tourism).
Then
we
account
for
cumulative
effects
by
identifying
which
elevated
microplastic-biota
interaction
subject
climate
change
related
stresses
(ocean
warming
acidification).
Our
indicates
that
biologically
productive
coastal
proximity
populated
facilities
microplastics
pose
most
risk
ecosystem,
northern
Antarctic
Peninsula
main
hotspot.
This
study
first
map
threat
Ocean
multi-stressor
context,
locating
monitoring
programmes
mitigation
measures
may
matter
urgency.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
904, P. 167244 - 167244
Published: Sept. 26, 2023
Monitoring
the
occurrence
of
microplastic
contamination
in
Antarctic
area
is
key
to
implement
policy
measures
for
waste
regulations
research
stations.
fish
Trematomus
bernachii
a
suitable
species
establishing
and
investigating
changes
over
time
concentration
type
microplastics
region.
In
this
paper
total
78
fish,
caught
during
37th
Italian
expedition
(2021-2022)
Ross
Sea
(Antarctica)
were
analysed.
Different
microfibers
dyes
identified
by
Raman
spectroscopy
results
compared
with
those
obtained
sampled
1998.
Differences
polymer
emerged
predominance
synthetic
fibers
respect
natural
ones.
These
appear
be
related
increased
human
activities
Antarctica
last
twenty
years
highlights
need
improve
environmental
sustainability
numerous
stations
operating
throughout
that
area.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
918, P. 170618 - 170618
Published: Feb. 6, 2024
The
stomach
content
of
60
krill
specimens
from
the
Southern
Ocean
were
analyzed
for
presence
microplastic
(MP),
by
testing
different
sample
volumes,
extraction
approaches,
and
applying
hyperspectral
imaging
Fourier-transform
infrared
spectroscopy
(μFTIR).
Strict
quality
control
was
applied
on
generated
results.
A
high
load
residual
materials
in
pooled
samples
hampered
analysis
avoided
a
reliable
determination
putative
MP
particles.
Individual
stomachs
displayed
results,
however,
only
after
re-treating
with
hydrogen
peroxide.
Before
this
treatment,
lipid
rich
residues
resulted
false
assignments
polymer
categories
hence,
particle
numbers.
Finally,
identified
4
out
60,
one
per
stomach.
Our
study
highlights
importance
strict
to
verify
results
before
coming
final
decision
contamination
environment
aid
establishment
suitable
internationally
standardized
protocols
sampling
organisms
including
their
habitats
worldwide.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
351, P. 124086 - 124086
Published: April 29, 2024
Marine
microdebris
(MD)
seem
to
be
widespread
in
benthic
invertebrates,
even
the
most
remote
areas
of
planet
such
as
Antarctica,
although
information
available
is
still
very
scarce.
Here
we
provide
a
detailed
quantification
and
characterization
MD
found
on
three
common
bivalve
species
(Aequiyoldia
eightsii,
Thracia
cf.
meridionalis,
Cyclocardia
astartoides)
inhabiting
shallow
Johnsons'
Bay,
Livingston
Island
(South
Shetland
Islands,
Antarctica)
snapshot
present.
On
average,
these
bivalves
contained
0.71
±
0.89
items
per
individual
1.49
2.35
gram,
being
comparable
few
previous
existing
studies
other
Antarctic
areas.
Nearly
half
organisms
analysed
here
(45.6
%),
at
least
one
item.
No
significant
differences
were
species.
As
far
know,
this
first
study
analyse
compare
Peninsula.
Although
our
results
indicate
are
not
polluted
planet,
remarkable
since
considered
last
pristine
world.
Our
point
local
activities
main
source
pollution
Island,
global
cannot
discarded.
We
believe
research
provides
useful
baseline
for
future
will
contribute
develop
policies
strategies
preserve
marine
ecosystems
from
pollution.
Environmental Toxicology and Chemistry,
Journal Year:
2025,
Volume and Issue:
44(1), P. 26 - 44
Published: Jan. 1, 2025
Microplastics
are
widespread
pollutants.
generated
from
the
wear
and
tear
of
paints
coatings
have
recently
been
modeled
to
be
a
large
source
microplastics
environment.
Yet,
studies
focused
on
broadly
frequently
overlook
paint
microplastics.
In
this
article,
we
systematically
reviewed
primary
literature
(turning
up
53
relevant
articles)
microplastic
sources,
identification
methods,
environmental
concentrations,
toxicity
model
organisms.
Examples
sources
include
buildings
murals,
crafts
hobbies,
cars
roads,
marine
boats
structures,
industrial
systems
like
pipes,
sewers,
other
infrastructure.
Paint
quantified
in
several
samples
Europe
and,
lesser
extent,
East
Asia.
Reported
concentrations
290,000
particles
per
kilogram
sediments,
with
greatest
concentration
reported
near
graffiti
wall.
Out
testing
microplastics,
there
68
tested
effects
total
across
all
endpoints
organisms
17
lethal
50%
doses
(ranging
0.001
20
g/L).
Of
effects,
45
observed
endpoint
values
treatment
were
significantly
different
control
(66%)-most
which
tests
using
antifouling
paints.
Overall,
number
is
small,
limiting
holistic
understanding
Based
our
synthesis
state
science
suggest
research
agenda
moving
forward
informed
by
gaps.
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(3), P. 2034 - 2044
Published: Jan. 1, 2025
This
study
investigates
heavy
metals
and
phthalates
in
water
sediments
of
the
Palm
Islands
Reserve,
revealing
persistent
contamination,
with
cadmium
exceeding
limits.
The
findings
underscore
pollution
control
environmental
monitoring.
