Frontiers in Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
11
Published: April 12, 2023
Although
there
is
growing
concern
about
ingestion
of
microplastics
by
marine
organisms,
little
research
has
been
conducted
on
herbivores.
This
the
first
study
to
document
microplastic
within
family
Sirenia.
Subsamples
were
collected
from
five
locations
in
gastrointestinal
tracts
(GI)
26
dead
manatees
(
Trichechus
manatus
latirostris
)
Tampa
Bay,
Florida.
During
gross
necropsies,
macroplastic
pieces
found
seven
individuals
(26.9%).
Careful
visual
examination
subsampled
portions
GI
contents
indicated
that
19
(73.1%)
contained
plastic
particles.
As
had
both
macro
and
pieces,
overall
frequency
occurrence
was
76.9%.
Due
large
volume
cellulose-rich
ingested
material,
it
not
feasible
analyze
entire
gut
contents,
nor
conduct
chemical
or
enzymatic
digestion;
therefore,
very
likely
many
detected.
Despite
these
technical
challenges,
clear
Bay
are
routinely
consuming
addition
larger
pieces.
Currently,
nothing
known
physiological
effects
sirenians,
however
environmental
plastics
could
be
concentrated
through
subsequent
production
microplastics-laden
feces.
Science,
Journal Year:
2022,
Volume and Issue:
377(6606), P. 609 - 613
Published: Aug. 4, 2022
Seagrasses
are
remarkable
plants
that
have
adapted
to
live
in
a
marine
environment.
They
form
extensive
meadows
found
globally
bioengineer
their
local
environments
and
preserve
the
coastal
seascape.
With
increasing
realization
of
planetary
emergency
we
face,
there
is
growing
interest
using
seagrasses
as
nature-based
solution
for
greenhouse
gas
mitigation.
However,
seagrass
sensitivity
stressors
acute,
many
places,
risk
loss
degradation
persists.
If
ecological
state
remains
compromised,
then
ability
contribute
solutions
climate
biodiversity
crisis
doubt.
We
examine
major
role
play
how
rethinking
conservation
critical
understanding
part
fighting
our
emergency.
Water,
Journal Year:
2023,
Volume and Issue:
15(7), P. 1382 - 1382
Published: April 3, 2023
Concerns
regarding
plastic
pollution,
especially
microplastics,
have
increased,
as
they
can
be
present
in
different
environmental
compartments,
including
estuarine
areas
and
saltmarshes.
Although
saltmarshes
are
highly
vulnerable
to
human
activities
pressures,
the
ability
trap/retain
contaminants
their
vegetated
sediments.
However,
there
is
still
little
information
role
of
microplastic
retention.
Thus,
study
aims
investigate
capability
an
saltmarsh
trap
microplastics
by
comparing
concentrations
(saltmarsh)
non-vegetated
Microplastic
content
from
sediment
(vegetated
non-vegetated)
samples
collected
at
sampling
sites
Lima
River
estuary
was
estimated
using
previously
optimised
extraction
protocols,
observed
particles
were
then
characterised
accordingly
size,
colour,
shape,
polymer
(by
FTIR).
Water
also
analysed
for
complement
MPs
characterisation
within
area.
Microplastics
detected
all
samples,
with
fibres
being
most
common
type
found,
followed
fragments/particles.
Overall,
sediments,
those
species
Juncus
maritimus,
presented
a
higher
number
items.
These
results
indicated
that
tend
trapped
supporting
fact
significant
influence
on
transport,
distribution,
accumulation
areas.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
345, P. 123492 - 123492
Published: Feb. 3, 2024
Coastal
areas
are
prone
to
plastic
accumulation
due
their
proximity
land
based
sources.
vegetated
habitats
(e.g.,
seagrasses,
saltmarshes,
mangroves)
provide
a
myriad
of
ecosystem
functions,
such
as
erosion
protection,
habitat
refuge,
and
carbon
storage.
The
biological
physical
factors
that
underlie
these
functions
may
an
additional
benefit:
trapping
marine
microplastics.
While
microplastics
occurrence
in
coastal
sediments
is
well
documented,
there
conflicting
evidence
on
whether
the
presence
vegetation
enhances
relative
bare
sites
influence
microplastic
remain
understudied.
We
investigated
how
structure
type
influences
simulated
wetland.
Through
flume
experiment,
we
measured
efficiency
branched
grassy
tested
array
differ
shape,
size,
polymer.
observed
did
not
affect
number
trapped
but
location
deposition.
Microplastic
rather
than
polymer,
was
dominant
factor
determining
were
retained
sediment
or
adhered
canopy.
Across
canopy,
microfibre
concentrations
decreased
from
leading
edge
interior
which
suggests
even
small-scale,
has
filtering
effect.
outcome
this
study
enriches
our
understanding
sink
differences
among
informs
where
they
most
likely
accumulate
within
biogenic
