Plastics
in
rivers
and
lakes
have
direct
local
impact,
may
also
reach
the
world’s
oceans.
Monitoring
river
plastic
pollution
is
therefore
key
to
quantify,
understand
reduce
plastics
all
aquatic
ecosystems.
The
lack
of
harmonization
between
ongoing
monitoring
efforts
compromises
comparison
combination
available
data.
United
Nations
Environment
Programme
(UNEP)
launched
guidelines
on
freshwater
monitoring,
provide
a
starting
point
for
practitioners
scientists
towards
harmonized
data
collection,
analysis,
reporting.
We
developed
five-step
workflow
support
design
effective
strategies.
was
applied
three
(Rhine,
Mekong
Odaw)
across
relevant
gradients,
including
geography,
hydrology,
levels.
show
that
despite
simplicity
selected
methods
limited
duration
our
approach
provides
crucial
insights
state
very
different
basins
globally.
Water Research,
Journal Year:
2024,
Volume and Issue:
259, P. 121849 - 121849
Published: May 30, 2024
Plastics
in
aquatic
ecosystems
rapidly
undergo
biofouling,
giving
rise
to
a
new
ecosystem
on
their
surface,
the
'plastisphere.'
Few
studies
quantify
impact
of
plastics
and
associated
community
traits
from
biodiversity
functional
metabolic
function.
It
has
been
suspected
that
impacts
may
depend
its
state
but
comparative
responses
are
rare
published
literature.
We
quantified
algal
biomass,
bacterial
(16S
18S
rRNA),
growing
surface
different
plastic
polymers
incubated
within
rivers
Lower
Mekong
Basin.
The
selected
have
ecological
characteristics
similar
regarding
high
degree
pollution.
examined
effects
colonized
with
biofilms
production,
dark
respiration,
epiplastic
community's
capability
influence
nitrogen,
phosphorus,
organic
carbon,
oxygen
water.
Finally,
we
present
conceptual
models
guide
our
understanding
pollution
freshwaters.
Our
findings
showed
limited
microalgal
biomass
dominance,
potential
pathogens
present.
location
significantly
influenced
composition,
highlighting
role
environmental
conditions
shaping
development.
When
assessing
productivity,
experiments
biofouled
led
significant
drop
concentration
river
water,
leading
hypoxic/anoxic
subsequent
profound
system
metabolism
influencing
biogeochemical
cycles.
Scaling
revealed
exert
more
substantial
ecosystem-altering
than
initially
assumed,
particularly
areas
poorly
managed
waste.
These
results
highlighted
plastisphere
functions
as
habitat
for
biologically
active
organisms
which
play
pivotal
essential
processes.
This
warrants
dedicated
attention
investigation,
sensitive
like
River,
supports
rich
livelihoods
65
million
people.
ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
4(6), P. 2470 - 2481
Published: May 16, 2024
Macroplastic
fate
and
transport
in
the
freshwater
environment
are
of
great
concern
due
to
potentially
harmful
effects
macroplastic
on
plants,
animals,
humans.
Here,
we
present
a
modeling
approach
simulate
at
country
scale
based
an
existing
plastic
release
model.
The
model
was
parametrized
through
available
monitoring
data
results
from
field
experiments
applied
Swiss
rivers
lakes.
We
found
that
almost
all
(98%)
emissions
into
remain
within
Switzerland.
After
exploring
influences
weirs,
retention
rivers,
lakes
sensitivity
analysis,
high
variability
across
different
catchments
rivers.
In
22
analyzed
scenarios
for
continuous
along
each
river
bank
(i.e.,
beaching),
least
70%
input
water
bodies
would
be
retained
long-term
(about
200
g
per
km
year).
Across
catchments,
dominance
"continuous
retention"
beaching
entire
length
compared
with
"point
weirs
or
Thus,
by
level
first
time,
were
able
confirm
concept
"rivers
as
reservoirs"
modeling.
Water,
Journal Year:
2024,
Volume and Issue:
16(2), P. 248 - 248
Published: Jan. 11, 2024
Mismanaged
plastic
waste
threatens
the
sustainable
development
goals
of
United
Nations
in
social,
economic,
and
ecological
dimensions.
In
pollution
process,
fluvial
systems
are
critical
transport
paths
for
mismanaged
waste,
connecting
land
areas
with
oceans
acting
as
reservoirs
accumulation
zones.
The
complex
fluid–plastic
particle
interaction
leads
to
a
strong
distribution
transported
particles
over
entire
river
width
flow
depth.
Therefore,
holistic
removal
approach
must
consider
lateral
vertical
This
study
investigates
conceptual
design
comprehensive
river-cleaning
system
that
enables
both
floating
suspended
litter
from
watercourses
withstanding
variations.
innovative
technical
cleaning
infrastructure
is
based
on
self-cleaning
using
rotating
screen
drum
units.
42
prototype-scale
experiments
ten
representative
types
(both
3D
items
fragments)
five
different
polymer
types,
we
prove
concept
define
its
parameters
best
performance.
Its
efficiency
strongly
dependent
type
shape.
overall
amounts
82%,
whereas
fragments
removed
less
efficiently
depending
hydraulic
conditions.
Adaptions
prototype
can
enhance
efficiency.
Global Sustainability,
Journal Year:
2024,
Volume and Issue:
7
Published: Jan. 1, 2024
Abstract
Non-Technical
Summary
Plastic
harms
ecosystem
health
and
human
livelihood
on
land,
in
rivers,
the
sea.
To
prevent
reduce
plastic
pollution,
we
must
know
how
plastics
move
through
environment.
Extreme
events,
such
as
floods,
bring
large
amounts
of
into
rivers
around
world.
This
article
summarizes
different
flood
types
(excessive
rainfall,
high
river
flow,
or
floods
from
sea)
flush
deposit
this
impacts
Furthermore,
paper
also
discusses
improved
resilience
to
is
important
pollution.
Technical
pollution
ubiquitous
environment
threatens
terrestrial,
freshwater,
marine
ecosystems.
Reducing
requires
a
thorough
understanding
its
sources,
sinks,
abundance,
impact.
The
transport
retention
dynamics
are
however
complex,
assumed
be
driven
by
natural
factors,
anthropogenic
item
characteristics.
Current
literature
shows
diverging
correlations
between
discharge,
wind
speed,
transport.
However,
have
been
consistently
demonstrated
impact
dispersal.
presents
synthesis
For
each
specific
type
(fluvial,
pluvial,
coastal,
flash
floods),
identified
driving
mechanisms
available
literature.
introduces
plastic-flood
nexus
concept,
which
negative
feedback
loop
(mobilizing
plastics),
(increasing
risk
blockages).
Moreover,
flood-driven
was
assessed,
it
argued
that
increasing
reduces
provides
perspective
importance
global
Increasing
breaking
crucial
steps
toward
reducing
environmental
Social
Media
Floods
transport,
can
reduced
Marine Pollution Bulletin,
Journal Year:
2023,
Volume and Issue:
196, P. 115503 - 115503
Published: Oct. 1, 2023
Plastics
in
rivers
and
lakes
have
direct
local
impact,
may
also
reach
the
world's
oceans.
Monitoring
river
plastic
pollution
is
therefore
key
to
quantify,
understand
reduce
plastics
all
aquatic
ecosystems.
The
lack
of
harmonization
between
ongoing
monitoring
efforts
compromises
comparison
combination
available
data.
United
Nations
Environment
Programme
(UNEP)
launched
guidelines
on
freshwater
monitoring,
provide
a
starting
point
for
practitioners
scientists
towards
harmonized
data
collection,
analysis,
reporting.
We
developed
five-step
workflow
support
design
effective
strategies.
was
applied
three
(Rhine,
Mekong
Odaw)
across
relevant
gradients,
including
geography,
hydrology,
levels.
show
that
despite
simplicity
selected
methods
limited
duration
our
approach
provides
crucial
insights
state
very
different
basins
globally.
Recycling,
Journal Year:
2024,
Volume and Issue:
9(2), P. 30 - 30
Published: April 9, 2024
This
review
summarizes
recent
data
related
to
the
management
of
marine
plastic
litter
promote
sustainable
development.
It
discusses
distribution
and
identification
litter,
assesses
potential
socio-economic
environmental
impacts
these
pollutants,
explores
their
recovery
strategies,
from
a
circular
economy
perspective.
The
main
findings
indicate
that
majority
originates
land-based
sources.
Current
technologies
approaches
for
valorizing
include
mechanical
chemical
recycling,
blockchain
by
providing
traceability,
verification,
efficiency
transparency
throughout
recycling
process,
public
awareness
programs
education.
developed
policies
prevent
emphasize
regulations
initiatives
focused
toward
reducing
use
improving
waste
management.
By
adopting
holistic
approach,
it
is
possible
mitigate
impact
debris
while
simultaneously
creating
economic
opportunities.
ABSTRACT
Given
the
exponential
rise
in
global
plastic
production
and
its
significant
ecological
socio‐economic
impacts,
monitoring
macroplastics
rivers
has
become
a
central
focus
of
water
management
efforts.
However,
standardized
methodologies
are
lagging
behind
rate
waste
currently
entering
aquatic
systems
on
scale.
This
translates
into
shortage
spatially
temporally
refined
data
macroplastic
pollution
circulating
inland
waters.
Recent
advancements
remote
sensing
techniques,
primarily
satellites,
UASs,
fixed
handheld
cameras
combined
with
crowd‐sourced
automated
detection
using
machine
deep
learning,
offer
promising
opportunities
for
versatile
solutions.
Thus,
this
paper
reviews
state‐of‐the‐art
approaches
emerging
methods
identification
to
provide
researchers
comprehensive
inventory
techniques
encourage
scientific
community
harmonize
define
standard
protocols.
According
our
investigation,
addressing
challenges
sensing‐based
river
mandates
further
efforts
enhance
integrate
multiple
platforms
an
emphasis
long‐term
monitoring.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
356, P. 124118 - 124118
Published: May 16, 2024
Rivers
represent
one
of
the
main
conduits
for
delivery
plastics
to
sea,
while
also
functioning
as
reservoirs
plastic
retention.
In
tropical
regions,
rivers
are
exposed
both
high
levels
pollution
and
invasion
water
hyacinths.
This
aquatic
plant
forms
dense
patches
at
river
surface
that
drift
due
winds
currents.
Recent
work
suggests
hyacinths
play
a
crucial
role
in
influencing
transport,
by
efficiently
trapping
majority
within
their
patches.
However,
comprehensive
understanding
interaction
between
is
still
lacking.
We
hypothesize
properties
relevant
transport
change
hyacinth
particular,
length
scale,
defined
characteristic
size
transported
material,
key
property
how
materials
move
rivers.
Here,
we
show
trap
on
average
54%-77%
all
observed
measurement
site
(Saigon
river,
Vietnam).
Both
temporally
spatially,
found
presence
co-occur.
The
formation
plastic-plant
aggregates
carries
significant
implications
clean-up
monitoring
purposes,
these
can
be
detected
from
space
need
jointly
removed.
addition,
scale
trapped
(∼4.0
m)
was
forty
times
larger
than
open
(∼0.1
m).
this
increased
dynamics
yet
fully
understood,
calling
further
investigation
into
travel
distances
trajectories.
effects
likely
extend
other
aggregates,
such
effective
buoyancy
mass.
Given
prevalence
worldwide,
research
offers
valuable
insights
complex
environmental
challenges
faced
numerous
