Limits, challenges, and opportunities of sampling groundwater wells with plastic casings for microplastic investigations
The Science of The Total Environment,
Год журнала:
2024,
Номер
946, С. 174259 - 174259
Опубликована: Июнь 25, 2024
Investigating
microplastics
(MPs)
in
groundwater
suffers
from
problems
already
faced
by
surface
water
research,
such
as
the
absence
of
common
protocols
for
sampling
and
analysis.
While
use
plastic
instruments
during
collection,
processing,
analysis
samples
is
usually
avoided
order
to
minimize
unintentional
contamination,
research
encompassing
MPs
faces
unique
challenges.
Groundwater
typically
relies
on
pre-existing
monitoring
wells
(MWs)
(WWs)
that
are
often
constructed
with
polyvinyl
chloride
(PVC)
casings
or
pipes
due
their
favorable
price-performance
ratio.
Despite
convenience,
however,
suitability
PVC
MP
questionable.
Unfortunately,
specifics
these
not
detailed
published
studies.
Current
literature
does
indicate
significant
pollution
risks
casings,
suggesting
might
still
be
viable
Our
preliminary
existing
indicates
if
exceeds
6
%
total
concentration,
it
likely
made
a
source
pollution.
Above
this
threshold,
additional
investigations
MWs
WWs
suggested.
Язык: Английский
Microplastics occurrence in commercial crab Scylla serrata from Kaveri River of Tamil Nadu: An emerging concern for community health
Water Environment Research,
Год журнала:
2025,
Номер
97(2)
Опубликована: Фев. 1, 2025
Abstract
Microplastic
(MPs)
pollution
has
engulfed
global
aquatic
systems,
and
the
concerns
about
MPs
translocation
bioaccumulation
in
fish,
crabs,
other
marine
organisms
are
now
an
unpleasant
truth.
In
past
few
years,
freshwater
particularly
rivers,
subsequently
organisms,
especially
caught
attention
of
researchers.
Rivers
provide
livelihood
to
approximately
40%
population
through
food
potable
water.
Hence,
assessment
emerging
contaminants
like
waterways
associated
fauna
is
crucial.
This
study
assessed
crab
S.
serrata
across
largest
riverine
system
south
India,
Kaveri
River.
The
were
characterized
by
optical
microscopy,
field
emission
scanning
electron
microscopy‐energy
dispersive
X‐ray
(FESEM–EDX)
analysis
for
their
number,
shape,
size,
color.
Polymer
composition
was
analyzed
using
attenuated
total
reflectance
Fourier‐transform
infrared
spectroscopy
(ATR‐FTIR)
Raman
spectroscopy.
Polypropylene
(PP),
polystyrene
(PS),
polyamide
(PA),
polyvinyl
chloride
(PVC)
dominant
plastic
polymers
intestine.
Additionally,
FE‐SEM
revealed
that
have
differential
surface
morphology
with
rough
surfaces,
porous
structures,
fissures,
severe
damage.
Most
comprised
Na,
Si,
Mg,
Cl,
K,
Ca,
according
EDX
analyses.
findings
might
insight
into
status
at
Kavery
river
could
help
formulating
regulations
reduction
contamination
rivers
eventually
protect
environment
human
health.
Practitioner
Points
first
on
identity
properties
crabs
from
River
Mettur
Dam.
A
simple
cost‐effective
approach
extracting
microplastics
samples
Dam,
River,
Salem
District,
Tamil
Nadu,
India.
Microplastics
detected
ATR‐FTIR,
FE‐SEM.
Язык: Английский
Explorations in the dark continent: Did microplastics and microfibres get here before us?
The Science of The Total Environment,
Год журнала:
2025,
Номер
977, С. 179328 - 179328
Опубликована: Апрель 14, 2025
Microplastic
and
microfibre
pollution
is
a
global
concern,
however,
karst
areas
remain
understudied.
Because
of
their
properties,
these
anthropogenic
microparticles
are
particularly
hazardous,
easily
transportable,
reaching
also
remote
areas.
The
underground
world,
called
dark
continent,
treasure
information,
remained
the
last
frontier
terrestrial
exploration:
many
parts
world
have
not
yet
been
accessed.
In
hypogeal
environments,
closely
linked
to
connections
between
surface
subterranean
habitats,
hydrodynamics
aquifer,
geology,
local
environmental
conditions.
This
study
aims
investigate,
for
first
time,
presence
microplastics
microfibres
in
unexplored
caves,
revealing
how
human
activity
could
indirectly
impact
even
uncontaminated
environments
continent.
Together
with
speleologists,
we
collected
investigated
sediment
samples
from
caves
Abruzzo
Region,
Italy.
Examined
were
counted
characterized
by
composition,
size,
shape,
fluorescence,
colour,
via
microscopy
spectroscopy.
concentrations
resulted
low
or
absent,
moreover,
natural
regenerated
ones
higher.
Fibre-shape
was
most
common.
Most
clear
fluorescent
under
UV
light.
Pollution
sources
this
area
likely
include
atmospheric
deposition,
nearby
activities,
roads,
garbage.
These
results
highlight
microparticle
exists
which
species,
water
resources.
Given
link
more
monitoring
protection
needed.
work
encourages
speleologists
collect
during
explorations
too,
as
rarely
studied
offer
crucial
insights
into
systems,
potential
threats,
conservation
needs.
Future
long-term
studies
will
clarify
pollutant
sources,
transport,
effects
on
ecosystems.
Язык: Английский
Microplastic Contamination of the Turkish Worm Lizard (Blanus strauchi Bedriaga, 1884) in Muğla Province (Türkiye)
Biology,
Год журнала:
2025,
Номер
14(4), С. 441 - 441
Опубликована: Апрель 19, 2025
Because
of
their
diversity,
microplastics
(MPs),
which
are
synthetic
particles
smaller
than
5
mm,
highly
bioavailable
and
widely
distributed.
The
prevalence
in
aquatic
habitats
has
been
extensively
studied
but
less
is
known
about
presence
terrestrial
environments
biota.
This
study
examined
MP
intake
utilizing
gastrointestinal
tracts
(GITs),
with
a
particular
focus
on
the
Turkish
worm
lizard
(Blanus
strauchi).
Suspected
discovered
GITs
were
removed,
measured,
characterized
based
size,
shape,
color,
polymer
type
order
to
evaluate
ingestion.
Out
118
samples
analyzed,
29
specimens
(or
24.57%)
had
microplastic
particlesMP
length
did
not
significantly
correlate
snout–vent
(SVL)
weight.
These
correlations
tested
determine
whether
size
or
weight
Blanus
strauchi
influenced
amount
MPs
found
within
GITs.
Also,
consumption
by
year
sampling.
All
identified
as
fibers
through
FT-IR
spectroscopy
analysis.
most
common
was
polyethylene
terephthalate
(PET).
often
detected
color
blue,
mean
lengths
ranging
from
133
µm
2929
µm.
It
demonstrated
that
lizards
inhabiting
soil
sheltering
under
stones
bushy
areas
sparse
vegetation
consume
MPs.
Predation
regarded
be
likely
way
infiltrate
food
webs.
Язык: Английский
The problem of anthropogenic microfibres in karst systems: Assessment of water and submerged sediments
Chemosphere,
Год журнала:
2024,
Номер
363, С. 142811 - 142811
Опубликована: Июль 8, 2024
A
new
worrying
micropollutant
threathens
natural
environments:
the
microfibres
(MFs).
Natural,
regenerated
and
synthetic
MFs
have
been
detected
in
different
environments,
as
well
organisms.
While
are
generally
microplastic
analyses,
not
taken
into
account,
or
wrongly
considered
plastics.
They
biodegradable
even
if
their
degradation
processes
ecosystems
poorly
known.
Their
potential
faster
could
release
toxic
compounds,
characteristics
led
to
a
long-term
accumulation
environment.
Understanding
dangerousness
possible
impact
they
on
is
fundamental
for
environment
conservation.
We
collected
investigated
water
submerged
sediment
samples
caves
springs
of
Classical
Karst
Region
(NE
Italy),
rich
protected
habitats
species.
were
analysed
via
microscopy
spectroscopy.
found
all
samples,
highlighting
pollution
surface
subterranean
karst
system.
MF
concentration
was
higher
sediments
respect
waters,
an
over
time.
Big
less
abundant,
amount
increased
with
decrease
size.
More
than
80%
fibres
fluorescent
under
UV
light.
Fluorescent
especially
transparent,
while
non-fluorescent
ones
mainly
black
blue.
Most
cellulosic,
represent
only
15-22%,
significant
gap
between
composition
environments
global
production
textiles
recent
times.
Synthetic
more
abundant
waters.
Our
results
improve
knowledge
micropollutants
laying
foundations
future
research.
monitoring
areas
must
become
priority
species
protection,
habitat
conservation,
waters
management,
improving
analyses
larger
number
aquatic
taking
account
ecological
connections
habitats.
Язык: Английский
Hranický kras v mezioborových souvislostech: Krajina v celku, krajina v detailu
Mendelova univerzita v Brně eBooks,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Lost in the Dark: Current Evidence and Knowledge Gaps About Microplastic Pollution in Natural Caves
Environments,
Год журнала:
2024,
Номер
11(11), С. 238 - 238
Опубликована: Окт. 29, 2024
In
this
study,
a
systematic
review
of
the
scientific
literature
was
carried
out
to
summarize
emerging
evidence
on
microplastic
pollution
in
natural
caves.
After
screening
655
papers
topic
from
combined
search
Web
Knowledge
and
Scopus
databases,
we
found
only
14
studies
reporting
quantitative
data
microplastics
total
27
Most
assessments
focused
water
sediment,
with
very
limited
investigations
concerning
cave
biota.
Overall,
most
common
types
particles
caves
were
small
(<1
mm)
fibers
(~70–90%
items),
transparent
or
light-colored,
mostly
made
polyethylene
terephthalate.
Anthropogenic
cellulosic
materials,
however,
represented
non-negligible
portion
(i.e.,
~20–30%).
Microplastic
concentrations
varied
between
0.017
911
items/L
for
7.9
4777
items/kg
thus
falling
within
levels
other
terrestrial,
freshwater,
marine
environments.
Levels
appear
largely
variable
among
caves,
stressing
need
extend
geographic
environmental
ranges
assessments,
which
are
currently
concentrated
Italian
land,
few
case
regions
world
Despite
their
putative
isolation,
have
high
vulnerability
contamination,
requiring
much
more
research
effort
understand
potential
risk
that
plastics
pose
these
fragile
ecosystems.
Язык: Английский
Does Microplastic Pollution in the Epikarst Environment Coincide with Rainfall Flushes and Copepod Population Dynamics?
Sustainability,
Год журнала:
2024,
Номер
16(22), С. 10123 - 10123
Опубликована: Ноя. 20, 2024
Karst
areas
are
characteristic
landscapes
formed
by
the
dissolution
of
soluble
rocks,
whose
hydrology
is
largely
influenced
rapid
infiltration
through
karst
massif.
These
often
hotspots
biodiversity,
especially
for
epikarst
and
cave
fauna.
The
epikarst,
uppermost
layer
unsaturated
zone,
plays
a
crucial
role
in
regulating
water
flow
aquifers.
aim
this
study
was
to
investigate
extent
microplastic
(MP)
pollution,
its
relationship
with
precipitation
correlation
copepod
populations
areas.
conducted
between
April
2021
October
2022
Postojna–Planina
area
SW
Slovenia
at
surface
underground
sampling
sites
determine
pathways
MP
pollution
from
depth
results
indicate
that
heavier
rainfall
flushes
out
more
contaminants
environment.
transport
dynamics
similar
copepods,
which
baseline
organisms
food
chain
caves.
One
sample
contained
only
polyamide
particles,
could
clothing
as
possible
source
but
inconclusive.
With
study,
we
provide
first
insight
into
environment
deeper
massifs.
Язык: Английский