Journal of Marine Science and Engineering,
Journal Year:
2024,
Volume and Issue:
12(12), P. 2216 - 2216
Published: Dec. 3, 2024
Mangrove
ecosystems,
critical
intertidal
zones
at
the
land–ocean
interface,
are
increasingly
recognized
for
their
role
in
microplastic
(MP)
pollution
dynamics.
Despite
extensive
research
on
interaction
of
MPs
with
various
chemical
contaminants,
specific
contamination
levels
polychlorinated
biphenyls
(PCBs)
associated
mangroves
remain
poorly
understood.
In
this
study,
we
quantified
concentrations
PCBs
extracted
from
representative
mangrove
sediment
samples
across
China,
revealing
values
ranging
9.80
to
13.91
ng/g.
contrast,
PCB
were
found
vary
between
25.67
and
69.85
Our
findings
indicate
a
consistent
level
different
sites,
although
these
marginally
elevated
compared
those
surrounding
sediments.
Notably,
Penta-PCBs
detected
highest
frequency
all
analyzed.
This
study
provides
crucial
insights
into
occurrence
distribution
within
ecosystem,
highlighting
significance
environmental
assessments.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
352, P. 124133 - 124133
Published: May 14, 2024
Microplastic
(MP)
pollution
has
become
a
global
concern
due
to
its
potential
impacts
on
the
environment,
ecosystem
services
and
human
health.
The
goals
of
present
study
were
document
MP
contamination
in
wild
specimens
Mytilus
galloprovincialis
sampled
along
Atlantic
coast
North
region
Portugal
continental
(NW
Portuguese
coast),
estimate
risk
intake
(HRI)
through
consumption
local
mussels
as
seafood.
Mussels
collected
at
four
sampling
sites
NW
(40
per
site),
whole
soft
body
each
mussel
was
analysed
for
content.
HRI
estimates
based
mean
items
wet
weight
tissue
(MP/g)
habits.
A
total
132
recovered
from
mussels.
had
diverse
sizes
(98
2690
μm)
colours.
most
common
shapes
fibres
(39%)
pellets
(36%).
Five
polymers
identified
MP:
polyethylene
(50%),
polystyrene
(15%),
poly(ethylene
vinyl
acetate)
(14%),
polyamide
(12%)
polypropylene
(9%).
From
160
mussels,
55%
MP.
standard
error
ranged
0.206
±
0.067
0.709
0.095
MP/g.
For
consumers
study,
decreasing
order
is
MOL
>
CAB
CAR
EST.
Compared
other
areas
varied
habits,
relatively
low.
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(3), P. 1182 - 1182
Published: Feb. 1, 2025
Marine
plankton
include
organisms
driving
multiple
ecosystem
services
(ESs).
In
this
study,
we
identified
ESs
provided
by
planktonic
consortia
worldwide
from
the
analysis
of
scientific
literature.
We
also
mapped
onto
forty-nine
trophic
networks
derived
presence–absence
data
obtained
two
coastal
surveys
in
three
areas
along
coast
Campania
region
Tyrrhenian
Sea
(NW
Mediterranean).
The
systematic
review
evidenced
that
associated
with
goods
provision
and
regulation
were
most
studied
categories,
while
cultural
least
considered.
mapping
across
revealed
significant
spatiotemporal
variations
plankton-based
ESs,
which
depend
on
seasonal
variability
local
environmental
conditions.
Among
those
connected
maintenance
marine
ecosystems
dominated
both
temporally
spatially,
highlighting
crucial
role
stability
resilience.
Moreover,
although
direct
materials
was
less
represented,
food
to
higher
levels
widespread
within
each
sector,
biodiversity
directly
sustaining
whole
related
economic
activities
such
as
fisheries
aquacultures.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
922, P. 171282 - 171282
Published: Feb. 25, 2024
The
pervasive
use
of
plastic
in
modern
society
has
led
to
litter
becoming
ubiquitous
within
the
ocean.
Land-based
sources
are
thought
account
for
majority
pollution
marine
environment,
with
bags,
bottles,
wrappers,
food
containers
and
cutlery
among
most
common
items
found.
In
is
a
transboundary
pollutant,
potential
cause
damage
far
beyond
political
borders
from
where
it
originated,
making
management
this
global
pollutant
particularly
complex.
study,
risks
land-derived
(LDPL)
major
groups
megafauna
–
seabirds,
cetaceans,
pinnipeds,
elasmobranchs,
turtles,
sirenians,
tuna
billfish
selection
productive
biodiverse
biogenic
habitats
coral
reefs,
mangroves,
seagrass,
saltmarsh
kelp
beds
were
analysed
using
Spatial
Risk
Assessment
approach.
approach
combines
metrics
vulnerability
(mechanism
harm
group
or
habitat),
hazard
(plastic
abundance)
exposure
(distribution
habitat).
Several
high-risk
zones
(HRZs)
across
North
Atlantic
highlighted,
including
Azores,
UK,
French
US
coasts,
Gulf
Mexico.
Whilst
much
modelled
LDPL
driving
risk
UK
originated
domestic
sources,
other
HRZs,
such
as
Azores
archipelago
Mexico,
almost
exclusively
external
(non-domestic)
sources.
Caribbean
islands
-
some
largest
generators
dataset
river
emissions
used
study
was
noted
significant
input
HRZs
both
sides
Atlantic.
These
findings
highlight
analyses
determine
location
understand
debris
monitoring
should
be
prioritised,
enabling
more
efficient
deployment
interventions
mitigation
measures.
The
adsorption
of
polycyclic
aromatic
hydrocarbons
(PAHs)
by
mangrove
roots
and
their
transport
to
chloroplasts
is
a
potentially
critical
process
that
reduces
the
carbon
sequestration
efficiency
mangroves.
Yet
crucial
initial
step,
distribution
retention
PAHs
at
root
epidermis
microstructure,
remains
unclear.
A
novel
method
with
spatial
resolution
311
nm
was
developed
for
visualizing
quantifying
benzo[
