Microplastics
are
found
in
a
wide
range
of
ecosystems,
from
the
Arctic
to
deep
ocean.
However,
there
is
no
data
on
their
presence
terrestrial
mammals
that
inhabit
Selva
Maya.
The
aim
this
study
detect
MPs
feces
Baird's
tapir
(Tapirus
bairdii)
region
Calakmul,
located
Yucatan
Peninsula,
Mexico.
We
analyzed
129
fecal
samples
collected
during
2017
and
2018,
obtaining
57
72
rainy
dry
seasons
respectively.
Sixty-eight
percent
contained
743
with
mean
19.31
±
28.13
MPs/kg
both
years.
An
inter-annual
variation
average
abundance
microplastic
was
observed
two-year
period
(2017-2018),
72%
increase
these
plastic
particles
feces.
Fourteen
polymers
were
identified,
ethylene
vinyl
acetate
(EVA),
polypropylene
(PP)
polyester
(PES)
being
most
abundant
Although
effects
health
tapirs
not
known,
cause
for
concern.
There
an
urgent
need
implementation
appropriate
waste
management
programs
communities
Maya
diminish
consumption
species
including
humans
where
they
pose
significant
risk
health.
Environmental Advances,
Journal Year:
2024,
Volume and Issue:
16, P. 100549 - 100549
Published: May 19, 2024
The
presence
of
microplastics
in
tidal
sediments
is
a
growing
ecotoxicological
concern
for
sea
and
benthic
health.
This
investigation
was
designed
to
record
characterize
the
vertical
prevalence
(MPs)
intertidal
Persian
Gulf
(around
Bushehr
city,
Iran).
Sediments
three
depths
(0-10
cm,
10-20
20-30
cm)
were
sampled
during
low
tide
six
sites
along
coastal
zone
Bushehr,
Iran.
MP
particles
found
all
evaluated
areas
sediment
depths.
average
abundance
MPs
samples
117.96
±
97.75
kg−1
dry
sediment.
No
differences
number
among
sites.
most
dominant
surface
2-5
mm
size.
In
areas,
fibers
fragments
more
abundant.
Particles
higher
often
colorless
(white,
transparent).
Raman
spectroscopy
indicated
polystyrene,
polyethylene,
polyvinyl
chloride,
polyethylene
terephthalate,
polypropylene
samples.
Further
research
required
evaluate
possible
interaction
between
layers
sediments.
Waste
management
proper
wastewater
disposal
are
critical
control
pollution
ecosystems
around
cities.
Revista de Investigación Agraria y Ambiental,
Journal Year:
2024,
Volume and Issue:
15(2), P. 311 - 332
Published: June 14, 2024
Contextualización:
La
bahía
de
Tumaco
es
potencialmente
receptora
residuos
domésticos,
lo
que
conlleva
a
diferentes
contaminantes
como
los
microplásticos
(<5mm)
se
acumulen
en
sedimentos
marinos.
Vacío
conocimiento:
En
el
Pacifico
colombiano
no
ha
explorado
la
emergencia
sanitaria
(COVID-19)
afectó
patrones
contaminación
marinos
antes,
durante
y
después
esta.
Propósito:
El
propósito
este
estudio
fue
identificar
presencia,
características
variación
espaciotemporal
por
(MP)
años
2020
2021
zona
interna
externa
si
ello
tuvo
alguna
relación
con
cercanía
costera,
desembocadura
ríos
COVID-19.
Metodología:
Se
recolectaron
muestras
Tumaco,
las
épocas
lluvia
seca
2021.
Resultados
conclusiones:
MP
predominante
(721.37
±
175.96
partículas/kg).
A
sí
mismo;
época
presentó
mayor
(928.73
220.20
partículas/kg)
mientras
menor
observó
(440.78
101.54
Finalmente,
evidencio
una
disminución
un
año
otro,
siendo
marzo
2020,
promedio
1543.55
362.92
partículas/kg,
patrón
debe
posiblemente
del
turismo
comenzó
Colombia
mediados
nivel
mundial.
