Ecology,
Journal Year:
2024,
Volume and Issue:
105(9)
Published: July 26, 2024
Conspecific
negative
density
dependence
(CNDD)
is
thought
to
be
a
key
process
in
maintaining
plant
diversity.
However,
the
strength
of
CNDD
highly
variable
space
and
time
as
well
among
species,
correlates
this
variation
that
might
help
understand
explain
it
remain
largely
unquantified.
Using
Bayesian
hierarchical
models,
we
took
advantage
10-year
seedling
monitoring
data
were
collected
annually
every
dry
rainy
season
seasonal
tropical
forest.
We
quantified
interspecific
its
temporal
variation.
also
examined
potential
variation,
including
species
functional
traits
(such
drought-tolerant
traits,
defense-related
recourse
acquisition
traits)
abundances.
In
season,
found
relationship
between
neighboring
conspecific
seedlings
on
survival,
while
there
was
adults
survival.
addition,
related
but
not
season.
Across
years,
drought-intolerant
suffer
less
during
seasons
have
higher
rainfall,
whereas
when
has
lower
rainfall.
rare
suffered
stronger
Overall,
our
study
highlights
through
time,
necessitating
deeper
appreciation
environmental
contexts
their
interactions.
Nature,
Journal Year:
2024,
Volume and Issue:
627(8004), P. 564 - 571
Published: Feb. 28, 2024
Abstract
Numerous
studies
have
shown
reduced
performance
in
plants
that
are
surrounded
by
neighbours
of
the
same
species
1,2
,
a
phenomenon
known
as
conspecific
negative
density
dependence
(CNDD)
3
.
A
long-held
ecological
hypothesis
posits
CNDD
is
more
pronounced
tropical
than
temperate
forests
4,5
which
increases
community
stabilization,
coexistence
and
diversity
local
tree
6,7
Previous
analyses
supporting
such
latitudinal
gradient
8,9
suffered
from
methodological
limitations
related
to
use
static
data
10–12
Here
we
present
comprehensive
assessment
patterns
using
dynamic
mortality
estimate
species-site-specific
across
23
sites.
Averaged
species,
found
stabilizing
was
at
all
except
one
site,
but
average
not
stronger
toward
tropics.
However,
communities,
rare
intermediate
abundant
experienced
did
common
species.
This
pattern
absent
forests,
suggests
influences
abundances
strongly
it
does
ones
13
We
also
interspecific
variation
CNDD,
might
attenuate
its
effect
on
14,15
high
significantly
different
latitudes.
Although
consequences
these
for
gradients
difficult
evaluate,
speculate
effective
regulation
population
could
translate
into
greater
stabilization
communities
thus
contribute
forests.
Ecology Letters,
Journal Year:
2024,
Volume and Issue:
27(1)
Published: Jan. 1, 2024
Abstract
Plant–soil
feedback
(PSF)
is
an
important
mechanism
determining
plant
community
dynamics
and
structure.
Understanding
the
geographic
patterns
drivers
of
PSF
essential
for
understanding
mechanisms
underlying
diversity
patterns.
We
compiled
a
large
dataset
containing
5969
observations
from
202
studies
to
demonstrate
global
woody
non‐woody
species.
Overall,
was
negative
on
average
influenced
by
attributes
environmental
settings.
Woody
species
PSFs
did
not
vary
with
latitude,
but
were
more
at
higher
latitudes.
consistently
positive
increasing
aridity
both
species,
likely
due
increased
mutualistic
microbes
relative
soil‐borne
pathogens.
These
findings
consistent
between
field
greenhouse
experiments,
suggesting
that
variation
can
be
driven
soil
legacies
climates.
Our
call
caution
use
as
explanation
latitudinal
gradient
highlight
influence
structure
across
broad
scales
through
mediating
plant–soil
microbe
interactions.
Proceedings of the National Academy of Sciences,
Journal Year:
2022,
Volume and Issue:
119(11)
Published: March 7, 2022
Significance
Masting,
or
synchronous
production
of
large
seed
crops,
is
widespread
among
plants.
The
predator
satiation
hypothesis
states
that
masting
evolved
to
overwhelm
predators
with
an
excess
food.
Yet,
this
popular
explanation
faced
few
rigorous
tests.
We
conducted
a
meta-analysis
studies
related
the
magnitude
intensity
predation.
Our
results
validate
certain
theoretical
notions
(e.g.,
more
effective
at
higher
latitudes)
but
challenge
others
specialist
and
generalist
consumers
differ
in
type
functional
response
masting).
also
found
losing
its
ability
satiate
consumers,
probably
because
global
warming
affected
patterns.
This
shift
might
considerably
impair
reproduction
Oxford University Press eBooks,
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 27, 2023
Abstract
Plants
have
evolved
a
remarkable
array
of
adaptive
solutions
to
the
existential
problem
survival
and
reproduction
in
world
where
disturbances
can
be
deadly,
resources
are
scarce,
competition
is
cutthroat.
inherited
phenotypic
traits
that
increased
their
chance
success,
these
indicators
strategies
for
establishment
survival.
A
plant
strategy
thought
as
“how
species
sustains
population”
(Westoby,
1998,
p.
214)
because
all
successful
must
positive
demographic
outcomes
habitats
which
they
adapted.
This
book
aims
articulate
coherent
framework
studying
unifies
demography
with
functional
ecology
advance
prediction
ecology.
Central
this
traits:
heritable
morphological,
physiological,
phenological
attributes
plants
influence
therefore
drive
fitness
differences
among
species.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Dec. 2, 2023
Masting,
a
variable
and
synchronized
variation
in
reproductive
effort
is
prevalent
strategy
among
perennial
plants,
but
the
factors
leading
to
interspecific
differences
masting
remain
unclear.
Here,
we
investigate
interannual
patterns
of
investment
517
species
terrestrial
including
herbs,
graminoids,
shrubs,
trees.
We
place
these
context
plants'
phylogeny,
habitat,
form
function.
Our
findings
reveal
that
widespread
across
plant
phylogeny.
Nonetheless,
reversion
from
regular
seed
production
also
common.
While
highest
temperate
boreal
zones,
our
analysis
controlling
for
environment
phylogeny
indicates
more
frequent
invest
tissue
longevity.
modeling
exposes
masting-trait
relationships
would
otherwise
hidden
provides
large-scale
evidence
costs
delayed
reproduction
play
significant
role
evolution
plants.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: March 12, 2021
Overhunting
reduces
important
plant-animal
interactions
such
as
vertebrate
seed
dispersal
and
predation,
thereby
altering
plant
regeneration
even
above-ground
biomass.
It
remains
unclear,
however,
if
non-hunted
species
can
compensate
for
lost
vertebrates
in
defaunated
ecosystems.
We
use
a
nested
exclusion
experiment
to
isolate
the
effects
of
different
enemies
Bornean
rainforest.
In
four
five
tree
species,
kill
many
seeds
(13-66%).
Nonetheless,
when
large
mammals
are
excluded,
mortality
from
insects
fungi
fully
compensates
that
defaunation
has
no
effect
on
seedling
establishment.
The
switch
predation
by
generalist
specialist
systems
may
alter
Janzen-Connell
density-dependence
plants.
Previous
work
using
simulation
models
explore
how
will
affect
composition
carbon
storage
require
reevaluation
context
functional
redundancy
within
complex
networks.
Ecological Research,
Journal Year:
2024,
Volume and Issue:
39(3), P. 257 - 272
Published: Jan. 30, 2024
Abstract
Mounting
evidence
suggests
that
reciprocal
interactions
between
plants
and
the
soil
microbiota
can
be
a
primary
force
generates
key
macroscopic
patterns
of
plant
communities
(coexistence,
dominance,
succession)
in
forest
ecosystems.
The
aim
this
article
is
to
review
empirical
theoretical
perspectives
plant–soil
feedback
research
context
community
ecology.
I
first
use
simple
model
get
insights
into
an
array
dynamics
generated
by
feedback:
negative
maintains
species
diversity
reduces
growth,
while
positive
drives
growth
certain
hence
their
dominance.
then
describe
how
ecologists
have
unveiled
enormously
complex
plant‐microbiota
interaction
(i.e.,
conditioning
experiment)
linkage
with
three
patterns:
(i)
(ii)
spatial
structure
(iii)
succession.
highlight
one
belowground
trait
(mycorrhizal
type)
mediate
these
linkages:
arbuscular
mycorrhizal
tend
exhibit
ectomycorrhizal
feedback.
Although
potentially
explains
tree
from
local
global
scales,
many
questions
remain.
Future
studies
should
expand
theory
incorporate
numerous
other
mechanisms
test
types
net
effects
could
propagate
shape
large‐scale
structures
dynamics.