Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 20, 2023
Abstract
Forest
restoration
is
fundamental
to
overcoming
biodiversity
crises
and
climate
change.
However,
success
remains
challenging.
In
tropical
forests,
animals
can
improve
forest
recovery
as
they
disperse
>
70%
of
tree
species.
Until
now,
representing
in
change
policies
challenging
because
we
lack
a
quantitative
assessment
their
contribution
carbon
recovery.
Here,
used
individual-based
models
assess
frugivore-mediated
seed
rain
open
areas
along
fragmentation
gradient.
Movements
large
birds
were
limited
landscapes
with
40%
cover,
although
small
continued
seeds.
Large
seeds
from
late-successional
species
higher
carbon-storage
potential.
Therefore,
restricted
movement
reduced
by
35%
the
potential
that
be
absorbed.
Maintaining
cover
essential
optimize
animals'
success.
contrast,
active
(e.g.,
planting
trees)
required
fragmented
achieve
targets.
Nature Climate Change,
Journal Year:
2024,
Volume and Issue:
14(6), P. 636 - 643
Published: April 15, 2024
Abstract
Forest
restoration
is
fundamental
to
overcoming
biodiversity
crises
and
climate
change.
In
tropical
forests,
animals
can
improve
forest
recovery
as
they
disperse
>70%
of
tree
species.
However,
representing
in
change
policies
remains
challenging
because
a
quantitative
assessment
their
contribution
carbon
lacking.
Here
we
used
individual-based
models
assess
frugivore-mediated
seed
rain
open
areas
along
fragmentation
gradient.
Movements
large
birds
were
limited
landscapes
with
<40%
cover,
although
small
continued
seeds.
Large
seeds
late-successional
species
higher
storage
potential.
Their
restricted
movement
therefore
reduced
potential
biomass
future
forests
by
38%.
Maintaining
cover
>40%
essential
optimizing
animals’
success.
Active
(for
example,
planting
trees)
required
more
fragmented
achieve
targets.
Forests,
Journal Year:
2022,
Volume and Issue:
13(5), P. 659 - 659
Published: April 23, 2022
Natural
regeneration
in
forest
management,
which
relies
on
artificial
planting,
is
considered
a
desirable
alternative
to
reforestation.
However,
there
are
large
uncertainties
regarding
the
natural
processes,
such
as
seed
production,
dispersal,
and
seedling
establishment.
Among
these
dispersal
by
wind
must
be
modeled
accurately
minimize
risks
of
regeneration.
This
study
aimed
(1)
review
main
mechanisms
models,
their
characteristics,
applications
(2)
suggest
prospects
for
models
increase
predictability
With
improving
computing
observation
systems,
modeling
technique
has
continued
progress
steadily
from
simple
empirical
model
Eulerian-Lagrangian
model.
Mechanistic
approaches
with
kernel
have
been
widely
used
attempted
directly
incorporated
into
spatial
models.
Despite
rapid
development
various
wind-dispersal
only
few
studies
application
We
identified
potential
attributes
that
cause
high
poor
simulation
results
scenarios:
topography,
pre-processing
data,
inherent
complexities
processes.
can
further
improved
incorporating
abscission
wind,
spatiotemporally
complex
environments,
(3)
collisions
canopy
or
ground
during
flight,
(4)
secondary
long-distance
predation.
Interdisciplinary
research
linking
climatology,
biophysics,
forestry
would
help
improve
prediction
its
impact
Integrative Zoology,
Journal Year:
2023,
Volume and Issue:
18(5), P. 799 - 816
Published: July 3, 2023
Plants
produce
nutritious,
fleshy
fruits
that
attract
various
animals
to
facilitate
seed
dispersal
and
recruitment
dynamic.
Species-specific
differential
selection
of
size
by
multiple
frugivorous
disperser
assemblages
may
affect
the
subsequent
germination
ingested
seeds.
However,
there
is
little
empirical
evidence
supporting
this
association.
In
present
study,
we
documented
conflicting
pressures
exerted
on
five
carnivores
a
mammal-dispersed
pioneer
tree,
date-plum
persimmon
(Diospyros
lotus),
in
subtropical
forest.
Fecal
analyses
revealed
these
acted
as
primary
dispersers
D.
lotus.
We
also
observed
sizes
were
selected
based
body
mass
species-specific,
confirming
"gape
limitation"
hypothesis;
three
small
(the
masked
palm
civet
Paguma
larvata,
yellow-throated
marten
Martes
flavigula,
Chinese
ferret-badger
Melogale
moschata)
significantly
preferred
disperse
smaller
seeds
comparison
with
control
obtained
directly
from
wild
plants
whereas
largest
Asiatic
black
bears
(Ursus
thibetanus)
larger
Seeds
dispersed
medium-sized
hog
badgers
(Arctonyx
albogularis)
not
different
regarding
influence
gut
passage
germination,
arboreal
agents
(martens,
civets,
bears)
enhanced
success
terrestrial
species
(ferret-badgers
badgers)
inhibited
process
compared
undigested
These
enhance
heterogeneity
dynamics
thus
increase
fitness
through
diversification
regeneration
niche.
Our
results
advance
our
understanding
mechanisms
have
important
implications
for
forest
ecosystem
dynamics.
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(4)
Published: April 1, 2025
ABSTRACT
Individual‐based
simulation
has
become
an
increasingly
crucial
tool
for
many
fields
of
population
biology.
However,
continuous
geography
is
important
to
applications,
and
implementing
realistic
stable
simulations
in
space
presents
a
variety
difficulties,
from
modeling
choices
computational
efficiency.
This
paper
aims
be
practical
guide
spatial
simulation,
helping
researchers
implement
individual‐based
avoid
common
pitfalls.
To
do
this,
we
delve
into
mechanisms
mating,
reproduction,
density‐dependent
feedback,
dispersal,
all
which
may
vary
across
the
landscape,
discuss
how
these
affect
dynamics,
describe
parameterize
convenient
ways
(for
instance,
achieve
desired
density).
We
also
demonstrate
models
using
current
version
simulator,
SLiM.
additionally
natural
selection—in
particular,
genetic
variation
can
demographic
processes.
Finally,
provide
four
short
vignettes:
pikas
that
shift
their
range
up
mountain
as
temperatures
rise;
mosquitoes
live
rivers
juveniles
experience
seasonally
changing
habitat;
cane
toads
expand
Australia,
reaching
120
million
individuals;
monarch
butterflies
whose
populations
are
regulated
by
explicitly
modeled
resource
(milkweed).
Functional Ecology,
Journal Year:
2024,
Volume and Issue:
38(10), P. 2247 - 2260
Published: Sept. 1, 2024
Abstract
Seed
dispersal
by
frugivorous
animals
is
a
key
process
for
plant
populations
and
communities.
When
frugivores
consume
fruits,
seeds
are
temporarily
retained
inside
their
guts
until
seed
deposition.
Hence,
information
on
retention
times
essential
to
estimate
seed‐dispersal
distances.
Although
it
well
known
that
affected
the
body
size
of
frugivores,
there
an
important
knowledge
gap
effects
species
traits,
such
as
pulp
content.
Here,
we
comprehensively
address
whether
which
traits
affect
in
birds.
On
one
hand,
conducted
first
set
experiments
assess
variation
among
31
dispersed
single
bird
species,
second
five
guild
passerines.
other
literature
review
retrieving
231
interactions
involving
155
55
from
nine
different
avian
orders.
had
negative
at
three
levels
addressed
this
study:
larger
seeds,
shorter
times.
The
were
higher
within
intermediate
small
assemblage
passerine
lower
all
birds
included
compilation.
Notably,
comparable
frugivore
Passeriformes.
We
analysed
content
but
these
lacked
predictive
power.
Importantly,
indirect
mediated
type
ejection
(digestive
processing):
generally
defecate
smaller
regurgitate
ones.
provide
comprehensive
evidence
intrinsically
linked
frugivores'
response
particularly
ejection,
respectively.
Thus,
our
study
unveils
source
interspecific
variability
capacity
plants
disperse
long
Moreover,
methodological
improvements
trait‐based
models
mean
Read
free
Plain
Language
Summary
article
Journal
blog.
PLoS ONE,
Journal Year:
2023,
Volume and Issue:
18(3), P. e0283810 - e0283810
Published: March 31, 2023
Information
about
seed
dispersal
effectiveness
(SDE)
for
plant
species
of
conservation
concern
is
rarely
available
to
inform
management
strategies
and
actions.
For
Lindera
subcoriacea
(bog
spicebush,
Lauraceae),
a
rare
endemic
dioecious
shrub
the
southeastern
United
States,
we
examined
influence
two
intrinsic
five
extrinsic
drivers
on
number
proportion
seeds
either
dispersed,
or
predated
pre-
post-dispersal.
The
dispersed
characterizes
quantitative
component
SDE,
while
post-dispersal
predation
can
affect
qualitative
SDE.
Using
fruit
counts,
traps,
removal
depots
over
multiple
years,
estimated
that
approximately
28%
L
.
are
lost
pre-dispersal
predation,
69%
3%
fail
disperse,
65%
We
observed
substantial
variation
in
these
three
processes
among
individuals.
also
found
both
(plant
height,
crop
size)
(understory
cover,
time
since
last
fire,
conspecific
fruiting
neighborhood,
substrate)
differentially
influenced
processes.
identified
four
generalist,
seasonally
frugivorous,
avian
visitors
at
individuals
likely
act
as
variably
effective
dispersers,
Northern
Cardinal
(
Cardinalis
cardinalis
L.)
predator.
Rodent
granivores
were
important
predators.
magnitude
our
estimates
suggest
that,
given
low
fecundity
,
should
emphasize
facilitating
reducing
effects
predation.