Intraspecific character displacement in oaks
The Plant Journal,
Год журнала:
2025,
Номер
122(2)
Опубликована: Апрель 1, 2025
SUMMARY
Character
displacement
refers
to
the
process
by
which
species
diverge
more
in
sympatry
due
competition
for
resources.
This
competition‐driven
speciation
can
also
occur
within
populations,
known
as
intraspecific
character
(ICD).
ICD
promote
divergence
influencing
or
encouraging
evolution
of
alternative
phenotypes.
Despite
its
significance,
remains
understudied
and
requires
further
exploration.
In
this
study,
we
investigate
how
influences
genetic
morphological
differentiation
sympatric
allopatric
populations.
We
focused
on
Quercus
serrata
(in
China
Japan)
Q.
var.
brevipetiolata
(found
only
China),
belong
a
small
monophyletic
group
oak
nested
Section
(white
oaks).
Using
markers,
detected
between
Chinese
Japanese
populations
diversification
China,
with
asymmetric
historical
gene
flow
primarily
from
(the
earlier
diverged
species)
later
variety).
Although
did
not
differ
leaf
variation,
analyzed
through
geometric
morphometric
method
(GMM)
traditional
method,
revealed
greater
trait
variation
sympatry.
addition,
found
an
allometric
growth
relationship
size
mass
,
area
decreasing
disproportionately
mass.
suggests
resource
trade‐off,
where
var
.
variety,
adopts
resource‐conservative
traits
Further
analysis
environmental
factors
supports
these
findings,
while
along
climate
gradients
showed
significant
responses
regardless
conditions.
neutral
markers
are
insufficient
capture
selection‐driven
adaptive
differentiation,
inferred
that
is
progressing
towards
ecological
serrata.
Overall,
our
results
highlight
role
driving
resource‐use
strategies
response
competitive
pressures.
Язык: Английский
Genetic zones of Neltuma flexuosa, the algarrobo tree from the Monte desert in Argentina
Forest Ecology and Management,
Год журнала:
2025,
Номер
586, С. 122715 - 122715
Опубликована: Апрель 14, 2025
Язык: Английский
A review on QST–FST comparisons of seed plants: Insights for conservation
Ecology and Evolution,
Год журнала:
2023,
Номер
13(3)
Опубликована: Март 1, 2023
Abstract
Increased
access
to
genome‐wide
data
provides
new
opportunities
for
plant
conservation.
However,
information
on
neutral
genetic
diversity
in
a
small
number
of
marker
loci
can
still
be
valuable
because
genomic
are
not
available
most
rare
species.
In
the
hope
bridging
gap
between
conservation
science
and
practice,
we
outline
how
practitioners
more
efficiently
employ
population
We
first
review
current
knowledge
about
variation
(NGV)
adaptive
(AGV)
seed
plants,
regarding
both
within‐population
among‐population
components.
then
introduce
estimates
differentiation
quantitative
traits
(
Q
ST
)
markers
F
biology
summarize
applications
derived
from
–
comparisons,
particularly
capture
AGV
NGV
in‐situ
ex‐situ
programs.
Based
published
studies,
found
that,
average,
two
four
populations
would
needed
woody
perennials
n
=
18)
99%
AGV,
respectively,
whereas
case
herbaceous
14).
On
is
3.6,
1.5,
1.1
times
greater
than
annuals,
perennials,
respectively.
Hence,
management
policies
or
suggestions
based
solely
inference
could
misleading,
To
maximize
preservation
maximum
levels
NGV,
suggest
using
rather
average
.
recommend
managers
consider
this
when
formulating
further
restoration
plans
species,
Язык: Английский