New Phytologist,
Journal Year:
2024,
Volume and Issue:
244(3), P. 752 - 759
Published: Sept. 4, 2024
Summary
Knowledge
of
differential
life‐history
strategies
in
arbuscular
mycorrhizal
(AM)
fungi
is
relevant
for
understanding
the
ecology
this
group
and
its
potential
role
sustainable
agriculture
carbon
sequestration.
At
present,
AM
fungal
theories
often
focus
on
investment
into
intra‐
vs
extraradical
structures
among
taxa,
implications
plant
benefits.
With
Viewpoint
we
aim
to
expand
these
by
integrating
a
mycocentric
economics‐
resource‐based
framework.
As
plants,
nutrient
demands
are
stoichiometrically
coupled,
though
uptake
elements
spatially
decoupled.
Consequently,
morphological
not
competition.
We
argue
that
evolution
trade‐offs
requires
increased
variation
foraging
same
element,
within
or
(in
our
view
‘horizontal’
axis),
just
between
them
(‘vertical’
axis).
Here,
elaborate
argument
propose
range
plausible
could
lead
fungi,
providing
testable
hypotheses
creating
opportunities
explain
co‐existence,
context‐dependent
effects
growth
soil
dynamics.
Journal of Ecology,
Journal Year:
2023,
Volume and Issue:
111(7), P. 1545 - 1560
Published: May 25, 2023
Abstract
Nitrogen
(N)
deposition
usually
increases
plant
tissue
N
concentrations
and
thus
phosphorus
(P)
demand
in
young
and/or
N‐limited
forests,
but
the
effect
on
P
has
rarely
been
assessed
N‐saturated
forests.
Impacts
of
18‐year
external
additions
(Control:
0,
Low
N:
50,
Moderate
N:100
High
150
kg
ha
−1
year
)
leaf
four
life‐forms
(tree,
shrub,
herb
liana),
fractions
bulk
rhizosphere
soils
were
examined
a
mature
tropical
forest
southern
China.
Leaf
N,
ratios
all
remained
stable
under
three
additions.
Among
soil
fractions,
moderate
labile
organic
increased
by
25%–33%
across
additions;
total
was
11.76%
8.87%
compared
with
control.
The
PLS‐PM
results
showed
that
path
coefficient
microbial
community
to
available
significantly
inorganic
decreased
than
improved
availability
through
microbe‐mediated
transformation:
taxonomic
diversity,
higher
diversity
could
enlarge
sources
nutrient
acquisition
stimulate
decomposition
recalcitrant
matters;
while
remaining
microorganisms
screened
N‐rich
environments
had
characteristics
resisting
addition
effects
maintained
efficient
acquisition.
Synthesis.
Our
findings
provide
novel
line
evidence
long‐term
did
not
increase
forest.
underlying
mechanism
is
plants
uptakes
therefore
nor
(a
stoichiometry)
an
already
ecosystem.
Different
rates
regulated
transformation
via
transition.
These
help
improve
understanding
modelling
biogeochemical
N–P
cycling
vegetation
productivity
ecosystems,
particularly
considering
fact
chronic
may
likely
lead
richness
even
saturation
many
forests
future.
New Phytologist,
Journal Year:
2024,
Volume and Issue:
244(3), P. 752 - 759
Published: Sept. 4, 2024
Summary
Knowledge
of
differential
life‐history
strategies
in
arbuscular
mycorrhizal
(AM)
fungi
is
relevant
for
understanding
the
ecology
this
group
and
its
potential
role
sustainable
agriculture
carbon
sequestration.
At
present,
AM
fungal
theories
often
focus
on
investment
into
intra‐
vs
extraradical
structures
among
taxa,
implications
plant
benefits.
With
Viewpoint
we
aim
to
expand
these
by
integrating
a
mycocentric
economics‐
resource‐based
framework.
As
plants,
nutrient
demands
are
stoichiometrically
coupled,
though
uptake
elements
spatially
decoupled.
Consequently,
morphological
not
competition.
We
argue
that
evolution
trade‐offs
requires
increased
variation
foraging
same
element,
within
or
(in
our
view
‘horizontal’
axis),
just
between
them
(‘vertical’
axis).
Here,
elaborate
argument
propose
range
plausible
could
lead
fungi,
providing
testable
hypotheses
creating
opportunities
explain
co‐existence,
context‐dependent
effects
growth
soil
dynamics.
