Plants,
Год журнала:
2024,
Номер
13(22), С. 3125 - 3125
Опубликована: Ноя. 6, 2024
Beach
litter,
an
anthropogenic
and
hazardous
component,
can
interact
with
psammophilous
plant
species
communities.
These
are
particularly
prominent
in
the
Mediterranean
Basin,
renowned
for
its
highly
specialized
unique
flora
but
recognized
as
one
of
areas
that
is
globally
most
severely
affected
by
marine
litter.
To
provide
a
comprehensive
picture
outline
possible
future
directions,
data
on
beach
litter
coastal
ecosystems
were
collected
through
bibliographic
research.
Overall,
103
studies
investigated
presence
coasts,
which
only
18
considered
relationship
Our
research
highlights
this
topic
rather
underexplored
Basin
need
to
develop
standardized
protocol
assessment
be
applied
consistently
across
different
beaches
countries.
Information
might
improve
management
conservation
strategies
these
fragile
ecosystems.
Abstract
There
has
been
a
notable
increase
in
research
into
microplastics
rivers
over
the
last
decade.
However,
no
clear
or
concise
standardized
monitoring
method
exists
for
sampling
of
rivers.
Many
guidelines
exist
and
analysis
from
rivers,
but
researchers
continue
to
use
methods
tools
that
may
contaminate
samples,
such
as
plankton
nets,
collect
filter
bulk
water
samples
with
differing
volumes
numbers
replicates.
This
can
result
same
river
system
being
shown
have
notably
varying
levels
between
sites.
The
aim
this
study
was
determine
microplastic
abundances
sediment,
together
critical
evaluation
sites,
ascertain
which
environmental
factors
impacted
distribution.
achieved
by
applying
rapid
habitat
assessment
simultaneously
microplastics.
results
indicated
velocity,
physical
obstructions
flow
and,
most
importantly,
discharge,
change
context
site
respect
its
content,
impact
niche-specific
organisms.
were
used
develop
new
measurement
unit,
discharge
unit.
MDU
provides
contextualized
representation
moving
through
river,
be
an
indicator
pollution
at
on
biota.
will
further
produce
guide
accurate
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 18, 2025
Abstract
Plastic
products
have
resulted
in
enormous
pollution
many
ecosystem
types
and
regions
worldwide.
The
problem
is
particularly
prominent
within
aquatic
environments,
where
multiple
anthropogenic
sources
(i.e.,
agriculture,
urbanisation,
industries,
illegal
dumping)
are
common,
exacerbated
by
interconnectedness
between
terrestrial
environments
management
challenges.
Regional
disparities
also
common
macroplastic
research,
with
a
scarcity
of
knowledge
African
freshwaters.
Here,
considering
seven
riparian
sites
across
four
seasons,
we
determined
the
abundance
distribution
litter
along
South
Crocodile
River
system
its
associated
tributaries.
Macroplastics
were
sorted
classified
into
various
polymer
groups,
functional
origins,
physical
forms
for
each
site
season.
We
hypothesised
that
abundances
would
be
substantial,
differences
among
related
to
human
activities
river
shores,
during
summer
months
when
recreational
was
high.
observed
significant
variation
high
autumn
(338),
while
lower
total
numbers
macroplastics
unexpectedly
collected
spring
(243–263).
High
proportional
plastic
bags
film
all
seasons
observed,
as
well
polypropylene
polymers.
Our
study
serves
baseline
understanding
seasonal
variations
their
driving
factors
subtropical
systems,
which
may
help
inform
policies.
further
contributes
resolving
gaps
underrepresented
regions,
providing
novel
insights
sources,
accumulation,
impacts
linked
unique
socio-environmental
contexts.
Thus,
it
bridges
critical
data
gaps,
informing
targeted
interventions
global
comparative
analyses
waste
management.
Frontiers in Environmental Science,
Год журнала:
2024,
Номер
12
Опубликована: Окт. 22, 2024
MainThe
Ocean
Garbage
Patches
(OGPs)
are
the
most
evident
example
of
artificial
litter
accumulation
hotspots
on
ocean's
surface1,
presenting
a
unique
opportunity
for
effective
removal
floating
from
marine
environment2.
Recent
evidence
suggests
that
can
also
form
water,
in
sediments
and
vegetation
riverine
ecosystems3-8,10.
These
because
rivers
act
both
as
carriers
land-produced
to
sea
long-term
sinks
it
3,
5,
7.
This
trapped
poses
numerous
risks
ecosystem
functioning
human
health2,
6.To
stimulate
future
discussion
garbage
patches
(RGPs),
defined
here
concentrated
or
surface-stored
rivers,
we
outlined
their
key
characteristics
comparison
ocean
(Figure
1).
The
difference
between
these
two
types
is
individual
RGPs
cover
areas
several
orders
magnitude
smaller
than
OGPs,
yet
they
provide
plastic
abundances
higher.
Figure
1.
Plastic
oceans.
In
larger
panel,
left
right,
flow
through
dam
reservoirs
river
deltas
Most
plastics
remain
within
situation
further
explained
panel
left.
this
groynes,
riparian
vegetation,
woody
debris,
beaver
dams
illustrated
potential
local-scale
macroplastics
rivers.
During
floods,
rising
water
levels
transport
out
channel,
depositing
them
along
riverbanks
interacting
with
elements.For
example,
concentration
Great
Pacific
Patch
(GPGP),
which
considered
oceanic
patch
highest
plastics,
reaches
70
kg/km²
(0.07
g/m²)
700,000
items/km²
(0.7
items/m²)
(Table
2
Lebreton
et
al.,1).
contrast,
especially
riverbanks,
exhibit
values
at
least
highere.g.,
4,8.
For
instance,
amount
macroplastic
stored
wood
jams
moderately
polluted
mountain
averages
9.5
items
113
grams
per
m²
4.
Although
rough
estimation,
should
consider
likely
an
underestimation
macrolitter
very
few
studies
currently
address
issue
3,7.
existing
field
modelling
works
focus
oceans
9,11-13.
Future
research
gathering
more
data
(RGPs)
estimating
global
extent,
ultimately
enabling
comparisons
OGPs.River
ecosystems
recently
hypothesized
function
time
when
large
floods
not
occurring3,
7,
10,
such
events
lead
massive
erosion
RGPs,
resulting
mobilization3,
fragmentation
downstream
transport7.
contributes
dispersal
macroplastic3,7,
production
secondary
microplastic14,
increasing
related
biota
health.
It
important
notice
OGPs
may
be
fueled
by
inputs
only
receive
small
portion
land-based
plastics1,13,
given
nearshore
fragments
might
reach
open
ocean,
apart
sea-based
sources13
1).Recent
indicated
vary
considerably
depending
Due
complex
hydromorphological
land
patterns
ecosystems,
even
local
scale
landscape
geomorphological
unit,
tend
localized
specific
rivers4.
contrasts
patches,
often
widespread1,
2.
typically
surrounded
while
populated
enclosed
easier
access
transportation.
increases
removing
cleanup
efforts
implementation
engineering
infrastructure.
have
significantly
surface
area
compared
size
location
shift
over
time,
making
challenging
costly.
generally
stable
throughout
existence,
except
during
rare
periods
mobilization
caused
major
floods3,7,10.Future
OutlookComparing
total
versus
remains
challenging,
significant
sources
pollution
available
environments
incomplete
inconsistent.
Here,
highlight
features
hotspots,
suggesting
potentially
different
opportunities
challenges
environment.
Since
abundant
plastic,
widespread,
accessible,
scattered,
substantially
clean-up
citizen
science
initiatives
RGPs.
Evaluating
cost-effectiveness
activities
could
crucial
step
mitigating
addressing
pollution.
