Global Ecology and Conservation,
Journal Year:
2023,
Volume and Issue:
47, P. e02683 - e02683
Published: Oct. 14, 2023
Litter
distribution
significantly
affects
nutrient
cycling,
energy
transfer,
and
various
ecosystem
services.
However,
little
is
known
about
how
microtopography
litter
accumulation
on
the
forest
floor.
Distribution
characteristics
of
stocks
at
slope-scale
their
relationship
with
topography
rock
exposure
rate
(RER)
in
a
typical
subtropical
karst
China
were
determined
by
measuring
stock
RER
300
1
×
m
grids
10
120
square
limestone
hill.
The
results
showed
that
(1)
average
was
691.54
±
332.60
g∙m-2,
among
which
65.81%
undecomposed
litter;
(2)
spatial
uneven
moderate
variation,
presenting
five
aggregated
areas
four
sparse
entire
slope;
(3)
there
significant
negative
correlation
between
(R
=
−0.37,
P
<
0.01),
increased
increasing
slope
gradient
position;
(4)
coupled
directly
affected
via
redistribution
process
indirectly
decomposition
altering
microenvironment,
reshaped
pattern
stocks.
Our
research
highlights
importance
complex
morphology
ecosystems
cycling
transfer
mediating
redistribution,
providing
new
insights
into
formation
high
environmental
heterogeneity
habitats.
Soil Biology and Biochemistry,
Journal Year:
2023,
Volume and Issue:
184, P. 109069 - 109069
Published: June 3, 2023
Climate
change
and
associated
environmental
alterations
affect
plant
communities,
potentially
decoupling
links
between
plants
their
soil
microbial
communities.
This
may
in
turn
processes
like
litter
decomposition,
an
important
function
that
controls
nutrient
carbon
cycling
as
well
many
other
ecosystem
processes.
Microbial
decomposers
have
been
proposed
to
specialize,
being
able
easier
decompose
from
its
‘home’
community
than
what
is
termed
the
home
field
advantage
(HFA)
hypothesis.
We
report
a
decomposition
experiment
including
four
alpine
meadow
communities
spread
along
geographical
gradient
ranged
Atlas
Morocco
Iberian
Peninsula
Swiss
Alps.
tested
whether
rate
would
differ
depending
on
origin,
expecting
interactions
be
at
core
of
responses.
expected
find
HFA
all
very
negative
neutral
positive
our
gradient,
variation
could
attributed
interaction
with
traits,
linked
relative
abundance
groups
performing
specific
functions.
Litter
depended
quality
fungal
community,
which
seemed
adapted
deal
poor-quality,
recalcitrant
litter,
leading
HFA.
plays
role
well,
indirectly
through
composition.
Phyllosphere
competed
when
interaction,
fact
blurred
results
some
previous
experiments.
In
summary,
there
clear
systems
low-quality
requires
specialised
maximize
decomposition.
By
contrast,
high-quality,
easy
dealt
by
any
decomposer
not
showing
evidence
Forests,
Journal Year:
2024,
Volume and Issue:
15(9), P. 1585 - 1585
Published: Sept. 10, 2024
Nitrogen
addition
alters
soil
organic
carbon
(SOC)
and
total
nitrogen
(TN)
accumulation
in
forest
ecosystems,
but
the
responses
of
SOC
TN
sequestration
rates
dynamics
to
ecosystems
worldwide
remain
unclear.
This
study
conducted
a
global
analysis
evaluate
effects
application
rate,
duration
(time),
humidity
on
from
257
data
points
(63
articles).
increased
by
4.48%
10.18%,
respectively.
The
were
0.65
0.11
g
kg−1
yr−1,
Moreover,
percentage
changes
overall
with
rate
addition;
however,
decreased
addition.
In
addition,
change
index.
conclusion,
promoted
soil,
TN;
they
whereas
TN.
These
results
enhance
our
understanding
cycling
soils
context
deposition.
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(4)
Published: April 1, 2025
ABSTRACT
Investigating
the
differences
among
plant
functional
types
(PFTs)
and
their
responses
to
N
deposition
is
crucial
for
predicting
carbon
nutrient
cycles
improving
forest
management
strategies.
Our
research
aimed
examine
decomposition
rates
loss
of
leaf
litter
fine
roots
from
ancient
recently
evolved
species
response
deposition.
We
hypothesized
that
(1)
leaves
tree
decomposes
slower
than
those
due
higher
C:N
ratios
structural
compound
content;
(2)
effect
addition
on
differs
across
different
stages
influenced
by
associated
PFT;
(3)
morphology
substrate
quality
are
key
predictors
both
species.
Field
experiments
were
conducted
with
under
control
N‐addition
treatment
(10
g·m
−2
·a
−1
),
focusing
three
The
rate
constants
(
k
values)
lower
species,
values
1.01
1.68
conditions,
1.07
1.08
addition.
For
roots,
had
only
(1.05
1.40),
whereas
no
significant
observed
between
conditions.
Furthermore,
residual
in
was
compared
controls,
while
such
distinct
patterns
this
study
provide
valuable
insights
into
complexity
deposition,
highlighting
importance
considering
PFTs
organ
ecosystem
responses.
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(2)
Published: Feb. 1, 2024
Exploring
how
interactions
between
species
evenness
and
dominant
identity
affect
litter
decomposition
processes
is
vital
to
understanding
the
relationship
biodiversity
ecosystem
functioning
in
context
of
global
changes.
We
carried
out
a
127-day
experiment
under
controlled
conditions,
with
four
types
(high,
medium,
low
single
species)
three
(
