Unveiling microplastic and metal pollution in giant armadillos (Priodontes maximus) from areas impacted by human activities in the Rio Doce Basin, Brazil
Environmental Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 121380 - 121380
Published: March 1, 2025
Language: Английский
Effects of Different Microplastics on Methane Production and Microbial Community Structure in Anaerobic Digestion of Cattle Manure
Mengjiao Zhang,
No information about this author
Chunzhen Zhao,
No information about this author
Yuan Tian
No information about this author
et al.
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(1), P. 107 - 107
Published: Jan. 3, 2025
Microplastics
(MPs)
are
widely
distributed
in
the
environment,
and
they
inevitably
enter
animal
bodies
during
livestock
poultry
farming,
leading
to
their
presence
manure.
However,
there
is
limited
research
on
effects
of
different
types
MPs
anaerobic
digestion
(AD)
performance
Herein,
we
investigated
impact
four
(polyvinyl
chloride
(PVC),
polypropylene
(PP),
polyethylene
(PE),
polyhydroxyalkanoate
(PHA))
AD
using
cattle
manure
as
a
substrate.
Results
demonstrated
that
cumulative
methane
production
PE
group
reached
5568.05
mL,
exhibiting
an
11.97%
increase
compared
control
group.
Conversely,
was
decreased
by
5.52%,
9.69%,
14.48%
PP,
PVC,
PHA
groups,
respectively.
Physicochemical
analyses
showed
promoted
organic
matter
hydrolysis
day
4
AD,
accumulation
volatile
fatty
acids
(VFAs)
initial
stage.
Specifically,
acetic
acid
content
44.48–92.07
mL/L
higher
than
first
8
days.
also
enriched
microorganisms
associated
with
production.
The
abundance
Firmicutes
enhanced
2.89–17.57%,
Methanosaeta
8.42–12.48%,
Methanospirillum
10.91–16.89%
comparison
control;
whereas
8.14–31.40%.
Moreover,
inhibited
suppressing
acetate
kinase
activity
while
promoting
lactate
dehydrogenase
release
from
involved
process.
Based
changes
observed
key
enzyme
functional
gene
abundances,
reduced
acetyl-CoA
carboxylase
abundance,
negatively
affecting
acetone
cleavage
methanogenesis
pathway.
Meanwhile,
significantly
increased
acetate-CoA
ligase
thereby
results
provide
novel
insights
into
influence
exerted
when
applied
Language: Английский
Understanding Wildlife Biodiversity Awareness: Rural Children’s Knowledge, Attitudes and Perceptions of Conservation in the Selva Maya
Diversity,
Journal Year:
2025,
Volume and Issue:
17(3), P. 152 - 152
Published: Feb. 24, 2025
We
live
in
an
era
where
future
generations
are
experiencing
a
serious
loss
of
knowledge,
sensitivity,
and
interest
biodiversity.
This
situation
is
thought
to
be
unique
urbanised
countries
with
limited
green
spaces.
However,
the
increasing
urbanisation
rural
areas,
it
necessary
investigate
what
happening
places
high
In
this
study,
we
investigated
attitudes
perceptions
children
adolescents
municipality
José
María
Morelos
southeastern
Mexico.
analysed
1119
drawings
by
117
their
first
three
years
school
interviewed
280
students
last
primary,
secondary
school.
Younger
drew
more
native
species,
majority
being
mammals.
Of
surveyed,
had
highest
level
species
knowledge
considered
deer
jaguar
most
important
species.
They
hunting
main
cause
animal
depletion
positive
attitude
towards
nature
conservation.
Based
on
our
findings,
recommend
that
educational
strategies
implemented
at
all
levels
promote
less
emblematic
inhabit
Selva
Maya.
Language: Английский
Microplastics in the Amur tiger's habitat: Occurrence, characteristics, and risk assessment
Zhiqiang HUANG,
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Dongqi Liu,
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Wannian Cheng
No information about this author
et al.
Journal of Hazardous Materials,
Journal Year:
2025,
Volume and Issue:
493, P. 138380 - 138380
Published: April 23, 2025
Microplastics
(MPs)
are
emerging
environmental
pollutants
that
pose
a
significant
threat
to
wildlife
within
forest
ecosystems.
However,
the
quantity
and
types
of
MPs
in
habitats
remain
unclear.
This
study
is
first
assess
distribution
Amur
tiger
habitat
northeast
China.
Our
results
showed
were
detected
soil,
water,
atmosphere,
forage
plants,
ungulate
top
predator
feces
ecosystem,
respectively.
The
average
diameter
all
was
44.99
±
34.80μm.
predominant
polymers
found
samples
polyamide,
polyvinyl
chloride,
polyurethane.
Certain
sample
shared
similar
MP
polymer
type
distributions,
indicating
potential
links
their
sources
transfer
pathways.
Consequently,
these
findings
provide
some
new
insights
on
pollution
problem
prompt
us
consider
how
control
manage
conservation.
Language: Английский