Mycorrhizal-specific responses of rhizosphere soil properties and fine-root traits to polystyrene microplastic addition in a temperate mixed forest
Abstract
While
the
impacts
of
microplastics
on
aquatic
and
agricultural
ecosystems
are
well
studied,
forest
involving
soil
trees
scarcely
investigated.
Here,
we
assessed
microplastic
addition
rhizosphere
properties,
chemical,
morphological
anatomical
traits
fine
roots
for
ectomycorrhizal
(ECM)
arbuscular
mycorrhizal
(AM)
tree
species
in
a
mixed
temperate
forest.
We
found
that
concentration
available
nitrogen
increased,
while
phosphorus
decreased
ECM
after
microplastics.
The
opposite
pattern
was
true
AM
species.
Fine
exhibited
shorter
root
length,
smaller
diameter,
lower
tissue
density,
branching
ratio,
intensity,
concentration,
but
higher
hyphal
carbon/nitrogen,
carbon/phosphorus
ratios
with
mediated
by
total
soil.
specific
tip
epidermal
thickness,
vascular
bundle
diameter
carbon/nitrogen
cortical
density
addition,
which
water
content,
nitrate
phosphorus.
These
findings
mycorrhizal-specific
responses
to
will
deepen
our
understanding
carbon
nutrient
cycling
composition
dynamics
increasing
pollution
ecosystems.
Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown
Published: May 23, 2025
Language: Английский