Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(15), P. 4379 - 4405
Published: July 22, 2024
Abstract
Microplastics
(MPs)
as
emerging
contaminants
have
a
global
occurrence,
including
both
terrestrial
and
marine
ecosystems.
Soil
enzymes
contribute
to
maintaining
ecosystem
multifunctionality,
for
example,
nutrient
cycling,
organic
material
decomposition,
carbon
climate
regulation.
Our
present
review
highlights
the
impacts
of
MPs
on
soil
enzyme
activities,
influencing
factors,
underlying
mechanisms.
Increasing
findings
confirm
that
can
change
activities
range
involved
in
biogeochemical
cycling
C
N.
However,
current
results
are
highly
controversial.
The
effects
vary
from
significant
nonsignificant
dependent
polymer
type,
biodegradability,
dosage,
size,
shape,
aging
degree
MPs,
exposure
conditions.
Compared
traditional
biodegradable
generally
show
more
pronounced
effects.
via
different
pathways.
On
one
hand,
directly
structure,
leading
alterations
activity.
other
create
unique
habitats,
provide
sources
specific
functional
microbes
producing
enzymes,
release
plastic
additives
pollutants
disturbing
production
these
enzymes.
Furthermore,
alter
physicochemical
biological
properties,
availability
substrates,
plants
fauna,
regulating
their
functions.
In
conclusion,
regulate
pose
profound
impact
multifunctionality.
Cambridge Prisms Plastics,
Journal Year:
2024,
Volume and Issue:
2
Published: Jan. 1, 2024
Abstract
Microplastics
(MPs)
are
carbon-rich
polymers
that
ubiquitous
in
the
environment.
With
increase
of
plastic
production,
microplastic
pollution
may
be
exacerbated
and
result
significant
changes
microbial
communities
biogeochemical
processes
such
as
carbon
cycling,
eventually
impacting
greenhouse
gas
emission
storage
terrestrial
ecosystems.
However,
current
research
on
effect
MPs
soil
cycling
is
still
limited,
there
a
lack
systematic
review
scattered
information
obtained
from
previous
studies.
Accordingly,
this
provides
overview
knowledge
effects
gives
future
suggestions.
Emerging
evidence
indicates
could
affect
stability
CO
2
CH
4
by
modifying
physicochemical
microbiological
properties;
though
biodegradable
often
exhibit
greater
than
nonbiodegradable
ones,
specific
highly
dependent
type,
size
concentration.
The
mechanisms
MPs’
impact
cycles
remain
elusive,
which
discussed
mainly
perspective
changes,
including
biomass,
community
composition,
key
enzymes
functional
genes
associated
with
metabolism.
Further
needed
to
elucidate
whether
have
positive
priming
decomposition
biotic
abiotic
involved.
This
paper
helps
researchers
gain
clearer
picture
how
through
way
