Guiding seed movement: environmental heterogeneity drives genetic differentiation in Plathymenia reticulata, providing insights for restoration
AoB Plants,
Год журнала:
2024,
Номер
16(3)
Опубликована: Май 29, 2024
Abstract
Forest
and
landscape
restoration
is
one
of
the
main
strategies
for
overcoming
environmental
crisis.
This
activity
particularly
relevant
biodiversity-rich
areas
threatened
by
deforestation,
such
as
tropical
forests.
Efficient
long-term
requires
understanding
composition
genetic
structure
native
populations,
well
factors
that
influence
these
components.
because
populations
serve
seed
sources
and,
therefore,
gene
reservoirs
under
restoration.
In
present
study,
we
investigated
environmental,
climatic
spatial
distance
on
patterns
Plathymenia
reticulata,
aiming
to
support
translocation
areas.
We
collected
plant
samples
from
nine
P.
reticulata
in
state
Bahia,
Brazil,
located
Atlantic
Savanna,
across
four
types,
genotyped
them
using
nuclear
three
chloroplast
microsatellite
markers.
The
evaluated
generally
showed
low
moderate
genotypic
variability
haplotypic
diversity.
within
Savanna
phytophysiognomy
values
above
average
six
eight
diversity
parameters.
Using
this
classification
based
demonstrated
a
high
predictive
power
differentiation
reticulata.
Furthermore,
interplay
climate,
soil
geographic
influenced
spread
alleles
landscape.
Based
our
findings,
propose
translocation,
taking
into
account
biome,
with
restricted
use
acquired
or
same
environment
be
restored
(Savanna
Forest).
Язык: Английский
Genetic diversity assessment of Helichrysum arenarium (Asteraceae) for the genetic restoration of declining populations
Ecology and Evolution,
Год журнала:
2024,
Номер
14(2)
Опубликована: Фев. 1, 2024
(L.)
Moench
(Asteraceae)
is
a
self-compatible,
insect-pollinated
herb
occurring
in
sand
grasslands,
and
declining
endangered
many
parts
of
its
European
distribution
range.
A
recovery
plan
Язык: Английский
Genetic and Habitat Rescue Improve Population Viability in Self‐Incompatible Plants
Evolutionary Applications,
Год журнала:
2024,
Номер
17(11)
Опубликована: Ноя. 1, 2024
Habitat
fragmentation
and
the
acceleration
of
environmental
change
threaten
survival
many
plant
species.
The
problem
is
especially
pronounced
for
species
with
self-incompatibility
mating
systems,
which
are
obligate
outcrossers,
thus
requiring
high
mate
availability
to
persist.
In
such
situations,
populations
suffering
decreased
fitness
could
be
rescued
by:
(a)
improving
local
habitat
conditions
(habitat
rescue),
(b)
increasing
number
individuals
(demographic
or
(c)
introducing
new
genetic
variation
(genetic
rescue).
this
study,
we
used
a
spatially
genetically
explicit
individual-based
model
approximate
demography
small
(
Язык: Английский