Modelling how negative plant–soil feedbacks across life stages affect the spatial patterning of trees
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Nov. 5, 2023
In
this
work,
we
theoretically
explore
how
litter
decomposition
processes
and
soil-borne
pathogens
contribute
to
negative
plant-soil
feedbacks,
in
particular
transient
stable
spatial
organisation
of
tropical
forest
trees
seedlings
known
as
Janzen-Connell
distributions.
By
considering
autotoxicity
both
separately
combination
a
phenomenological
model,
can
study
factors
may
affect
dynamics
emerging
We
also
identify
parameter
regimes
associated
with
different
long-term
behaviours.
Moreover,
compare
the
strength
feedbacks
was
mediated
by
tree
germination
growth
strategies,
using
analytical
approaches
numerical
simulations.
Our
interdisciplinary
investigation,
motivated
an
ecological
question,
allows
us
construct
important
links
between
local
self-organisation,
community
assembly.
model
analyses
understanding
drivers
biodiversity
ecosystems,
disentangling
abilities
two
potential
mechanisms
generate
Furthermore,
our
theoretical
results
help
guiding
future
field
data
identifying
signatures
adult
seedling
distribution
that
reflect
presence
feedback
mechanisms.
Language: Английский
Plants’ competition under autotoxicity effect: an evolutionary game
Optimization Letters,
Journal Year:
2023,
Volume and Issue:
18(3), P. 855 - 872
Published: Oct. 19, 2023
Abstract
We
develop
a
$$2\times
2$$
2
×
evolutionary
matrix
game
to
model
vegetation
dynamics
due
the
effect
of
autotoxicity.
The
phenomenon
autotoxicity
refers
rise
in
soil
negative
conditions
for
plant
performance
induced
by
plants
themselves.
Relating
Nash
Equilibrium
Strategies
stability
equilibrium
points
population
dynamics,
we
investigate
under
which
coexistence
low
and
highly
sensitive
occurs
monospecific
dominates
competition.
Based
on
this
classification,
optimal
distribution
two
distinct
types
order
maximize
cumulative
total
fitness
determine
if
is
stable.
primary
outcome
study
analyze
necessary
achieving
highest
both
mixed
populations
low-sensitivity
plants.
In
contrast,
argue
that
can
never
overall
fitness.
Language: Английский
How does negative plant-soil feedback across life stages affect the spatial patterning of trees?
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 2, 2023
Abstract
In
this
work,
we
theoretically
explore
how
litter
decomposition
processes
and
soil-borne
pathogens
contribute
to
negativeplant-soil
feedbacks,
in
particular
transient
stable
spatial
organisation
of
tropical
forest
trees
seedlings
known
asJanzen-Connell
distributions.
By
considering
autotoxicity
both
separately
combination,
can
understand
the
influence
ofboth
factors
on
dynamics
emerging
Janzen-Connell
We
also
identify
parameter
regimes
associatedwith
different
long-term
behaviours.
Moreover,
compare
strength
negative
plant-soil
feedbacks
was
mediated
bygermination
growth
strategies,
using
a
combination
analytical
approaches
numerical
simulations.
Our
interdisciplinary
investigation,
motivated
by
an
ecological
question,
allows
us
construct
important
link
between
localfeedbacks,
self-organisation,
community
assembly,
providing
valuable
tool
help
understanding
biodiversity
intropical
ecosystems
disentangling
differences
two
potential
mechanisms
driving
distributions.Furthermore,
our
theoretical
results
may
guiding
future
field
data
analyses
identifying
signatures
adult
treeand
seedling
distribution
that
reflect
presence
feedback
mechanisms.
Language: Английский