Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 31, 2025
Abstract
Riparian
plant
species
produce
leaf
litter
that
decomposes
in
adjacent
terrestrial
and
aquatic
ecosystems.
Despite
their
proximity,
these
ecosystems
differ
decomposer
communities,
abiotic
conditions,
nutrient
availability,
potentially
influencing
decomposition
rates
of
common
differently.
We
investigated
from
eight
riparian
a
tropical
forest
reservoir,
examining
the
individual
interactive
effects
intrinsic
(litter
identity
quality)
extrinsic
(ecosystem
type)
factors.
hypothesized
that:
i)
would
be
faster
more
variable
ecosystem
due
to
continuous
moisture
enhanced
microbial
activity;
ii)
mediated
by
type;
iii)
distinct
traits
drive
each
ecosystem.
Results
confirmed
significantly
higher
ecosystem,
likely
greater
leaching
soluble
organic
matter,
water
metabolic
characteristics
decomposers.
Ecosystem
type
interacted
with
among
fast-decomposing
species,
altering
rank
order
between
As
predicted,
different
controlled
ecosystem:
increasing
lignin-to-phosphorus
(Lig:P)
ratio
reduced
while
lignin-to-nitrogen
(Lig:N)
constrained
decomposition.
Lig:P
also
predicted
Relative
Effect,
which
quantifies
how
slow
relative
These
findings
highlight
imbalances
shape
dynamics
across
demonstrate
determines
biogeochemical
mechanisms
controlling
at
small
spatial
scales.
Understanding
terrestrial-aquatic
links
is
crucial
for
predicting
carbon
fluxes
increasingly
threatened
landscapes.
