Animals,
Год журнала:
2023,
Номер
13(20), С. 3263 - 3263
Опубликована: Окт. 19, 2023
This
study
characterises
microplastics
in
small
cetaceans
on
the
coast
of
Portugal
and
assesses
relationship
between
several
biological
variables
amount
detected
microplastics.
The
intestines
38
stranded
dead
were
processed
laboratory,
with
digestion
methods
adapted
to
organic
matter
each
sample.
influence
health
(e.g.,
species,
sex,
body
condition)
was
tested
all
analysed
species
particularly
common
dolphins,
due
larger
number
available
samples.
Most
individuals
had
intestine
(92.11%),
harbour
porpoises
revealing
a
significantly
higher
median
than
probably
their
different
diets,
use
habitat
feeding
strategies.
None
other
influenced
Moreover,
found
should
not
be
enough
cause
physical
or
chemical
sublethal
effects,
although
correlation
microplastic
ingestion
plastic
additive
bioaccumulation
cetacean
tissues
requires
further
investigation.
Future
monitoring
biota
rely
improved
standardised
protocols
for
analyses
complex
samples
allow
accurate
spatio-temporal
comparisons.
Photochemical & Photobiological Sciences,
Год журнала:
2024,
Номер
23(4), С. 629 - 650
Опубликована: Март 21, 2024
Abstract
This
Assessment
Update
by
the
Environmental
Effects
Panel
(EEAP)
of
United
Nations
Environment
Programme
(UNEP)
considers
interactive
effects
solar
UV
radiation,
global
warming,
and
other
weathering
factors
on
plastics.
The
illustrates
significance
radiation
in
decreasing
durability
plastic
materials,
degradation
debris,
formation
micro-
nanoplastic
particles
accompanying
leaching
potential
toxic
compounds.
Micro-
nanoplastics
have
been
found
all
ecosystems,
atmosphere,
humans.
While
biological
risks
are
not
yet
well-established,
widespread
increasing
occurrence
pollution
is
reason
for
continuing
research
monitoring.
Plastic
debris
persists
after
its
intended
life
soils,
water
bodies
atmosphere
as
well
living
organisms.
To
counteract
accumulation
plastics
environment,
lifetime
novel
or
alternatives
should
better
match
functional
products,
with
eventual
breakdown
releasing
harmless
substances
to
environment.