This
study
evaluates
for
the
first
time
plastic
litter
occurrence
in
Posidonia
spheroids
of
four
Mediterranean
sandy
beaches
at
different
anthropogenic
impact.
A
total
80
was
analyzed
and
202
items
were
found.
Spheroids
entangled
a
high
number
(132
items/kg)
with
significant
differences
between
beaches.
Our
results
highlight
importance
to
implement
beach
cleaning
plan
removal
all
order
prevent
them
from
flaking
releasing
marine
trapped
inside
again
environment.
should
be
manually
removed
protect
banquettes.
The
involved
spheroids,
independently
their
size.
adds
data
implementation
monitoring
program
contributes
development
specific
management
measures
as
well
action
plans.
The Science of The Total Environment,
Год журнала:
2023,
Номер
880, С. 163293 - 163293
Опубликована: Апрель 6, 2023
The
presence
of
plastic
litter
in
coastal
environments
like
beach-dune
systems
has
been
well
documented,
and
recent
studies
have
shown
that
this
pollutant
can
influence
sand
properties
as
dune
vegetation.
However,
the
effects
plastics
on
rhizosphere
bacterial
communities
plants
largely
neglected.
This
is
an
ecologically
relevant
issue
since
these
may
play
important
role
improving
plant
growth
resilience
systems.
Here,
we
explored
impact
made
either
non-biodegradable
polymers
(NBP)
or
biodegradable/compostable
(BP)
structure
composition
associated
with
two
widespread
species
along
European
dunes,
Thinopyrum
junceum
Sporobolus
pumilus,
by
using
a
one-year
field
experiment
combined
metabarcoding
techniques.
Both
did
not
affect
neither
survival
nor
biomass
T.
plants,
but
they
significantly
increased
alpha-diversity
communities.
They
also
changed
increasing
abundance
phyla
Acidobacteria,
Chlamydiae,
Nitrospirae,
family
Pirellulaceae,
reducing
Rhizobiaceae.
NBP
reduced
drastically
S.
pumilus
while
BP
its
root
compared
to
controls.
phylum
Patescibacteria
Our
findings
provide
first
evidence
change
highlight
importance
investigating
how
changes
dunes
climate
change.
