Human-driven
habitat
fragmentation
leads
to
spatial
isolation
of
endangered
plant
species
increasing
extinction
risk.
Understanding
genetic
variability
and
population
structure
rare
isolated
is
great
importance
for
assessing
risk
setting
up
conservation
plans.
Aconitum
austrokoreense,
an
endemic
in
Korea,
a
perennial
herb
commonly
used
medicinal
purposes.
We
five
nuclear
microsatellites
one
chloroplast
marker
investigate
diversity
479
individuals
A.
austrokoreense
from
seven
populations
throughout
South
Korea.
A
multivariate
approach,
discriminant
analysis
principal
components
analysis,
revealed
broad-scale
patterns
across
three
major
mountains
that
were
composed
genetically
distinct
subgroups.
High
pairwise
FST
values
(mean
=
0.35;
highest
0.55)
suggested
significant
differentiation
among
populations.
Overall
within
variation
was
low.
Based
on
Mantel
test,
there
correlation
between
geographical
distances
indicating
pattern
by
distance.
Our
results
suggest
may
have
undergone
recent
bottlenecks.
Given
the
limited
dispersal
ability
ongoing
fragmentation,
further
be
exacerbated
leading
increased
Oxford University Press eBooks,
Год журнала:
2017,
Номер
unknown
Опубликована: Июль 13, 2017
Abstract
The
biological
diversity
of
the
planet
is
being
rapidly
depleted
due
to
direct
and
indirect
consequences
human
activity.
As
size
animal
plant
populations
decrease
fragmentation
increases,
loss
genetic
reduces
their
ability
adapt
changes
in
environment,
with
inbreeding
reduced
fitness
inevitable
for
many
species.
Many
small
isolated
are
going
extinct
unnecessarily.
In
cases,
such
can
be
genetically
rescued
by
gene
flow
into
them
from
another
population
within
species,
but
this
very
rarely
done.
This
novel
authoritative
book
addresses
issues
involved
management
fragmented
populations,
including
depression,
elevated
extinction
risk
augmentation
flow,
rescue,
causes
outbreeding
depression
predicting
its
occurrence,
desirability
implementation
translocations
cope
climate
change,
defining
diagnosing
species
conservation
purposes.
Frontiers in Ecology and Evolution,
Год журнала:
2023,
Номер
11
Опубликована: Фев. 16, 2023
Genetic
diversity
is
a
prerequisite
for
evolutionary
change
in
all
kinds
of
organisms.
It
generally
acknowledged
that
populations
lacking
genetic
variation
are
unable
to
evolve
response
new
environmental
conditions
(e.g.,
climate
change)
and
thus
may
face
an
increased
risk
extinction.
Although
the
importance
incorporating
into
design
conservation
measures
now
well
understood,
less
attention
has
been
paid
distinction
between
neutral
(NGV)
adaptive
(AGV)
variation.
In
this
review,
we
first
focus
on
utility
NGV
by
examining
ways
quantify
it,
reviewing
applications
infer
ecological
processes,
exploring
its
designing
plant
species.
Against
background,
then
summarize
identify
estimate
AGV
discuss
potential
use
conservation.
After
comparing
considering
their
pros
cons
context,
conclude
there
urgent
need
better
understanding
role
adaptation.
To
date,
however,
only
few
studies
non-model
species
aimed
at
deciphering
genomic
basis
complex
trait
Therefore,
researchers
practitioners
should
keep
utilizing
develop
relevant
strategies
rare
endangered
until
more
estimates
available.
Conservation Science and Practice,
Год журнала:
2023,
Номер
5(2)
Опубликована: Янв. 3, 2023
Abstract
Resource
managers
have
rarely
accounted
for
evolutionary
dynamics
in
the
design
or
implementation
of
climate
change
adaptation
strategies.
We
brought
research
and
management
communities
together
to
identify
challenges
opportunities
applying
evidence
from
science
support
on‐the‐ground
actions
intended
enhance
species'
potential.
amalgamated
input
natural‐resource
practitioners
interdisciplinary
scientists
information
needs,
current
knowledge
that
can
fill
those
future
avenues
research.
Three
focal
areas
guide
engagement
include:
(1)
recognizing
when
act,
(2)
understanding
feasibility
assessing
potential,
(3)
identifying
best
practices.
Although
researchers
commonly
propose
using
molecular
methods
estimate
genetic
diversity
gene
flow
as
key
indicators
we
offer
guidance
on
several
additional
attributes
(and
their
proxies)
may
also
decision‐making,
particularly
absence
data.
Finally,
outline
existing
decision‐making
frameworks
help
compare
alternative
strategies
supporting
with
goal
increasing
effective
use
information,
species
conservation
concern.
caution,
however,
arguing
over
nuance
generate
confusion;
instead,
dedicating
increased
focus
a
decision‐relevant
base
better
lend
itself
actions.
Restoration Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 21, 2025
The
United
Kingdom
is
one
of
the
most
nature‐depleted
countries
in
world,
with
only
50%
its
native
biodiversity
remaining,
leading
to
an
overall
decline
U.K.
ecosystems
and
genetic
diversity.
Genetic
diversity
essential
for
evolutionary
processes,
including
drift,
gene
flow,
selection,
mutation,
as
it
provides
raw
material
populations
respond
adaptively
changing
environments.
Although
recognized
a
form
biodiversity,
often
overlooked
conservation
programs
due
lack
data
difficulties
generating
it.
We
have
devised
framework
that
utilizes
life‐history
alternative
infer
population
genetics
parameters
are
used
inform
recommendations.
Our
combines
approaches
incorporating
risk
assessments
predicting
species
based
on
combination
specific
biological
trait
values
management
recommendations
ensure
Here,
we
apply
our
assessment
52
or
archaeophyte
plant
ecological
restoration
interest.
found
assessed
least
likely
require
were
line
Red
List
Least
Concern
species.
While
aligns
categories,
extends
beyond
threat
classification
by
providing
targeted
In
absence
data,
this
proved
be
very
informative
practitioners.
However,
further
species‐specific
analysis
still
needed
confirm
results
study
provide
robust
Diversity and Distributions,
Год журнала:
2016,
Номер
23(1), С. 41 - 52
Опубликована: Ноя. 13, 2016
Abstract
Aim
To
investigate
the
relationships
between
species
attributes
and
genetic
parameters
in
Australian
plant
to
determine
associations
relation
predictions
from
population
theory
previous
global
analyses.
Location
Continent
of
Australia.
Methods
We
assembled
a
dataset
all
known
analyses
plants
based
on
neutral
markers
catalogued
them
according
key
attributes,
including
range,
abundance,
range
disjunction,
biome
growth
form;
parameters,
mean
number
alleles
per
locus,
observed
expected
heterozygosity
differentiation.
determined
using
maximum‐likelihood,
multimodel
inference
approach.
Results
found
many
that
were
consistent
with
predictions.
Species
greatest
effect
diversity
size,
form,
abundance
biome.
The
most
important
influencing
differentiation
disjunction
abundance.
unexpected
results
effects
form
diversity,
greater
eastern
Australia,
lower
shrubs
compared
trees.
Main
conclusions
Our
analysis
showed
genetics
theory,
strong
form.
identified
striking
differentiation,
an
has
received
little
attention
literature.
also
some
notable
differences
predictions,
which
likely
explained
by
confounding
across
variables.
This
highlights
caution
is
needed
when
extrapolating
trends
regional
floras.
Identifying
patterns
enables
broadscale
facilitate
inclusion
considerations
into
conservation
decision‐making.
Global Ecology and Conservation,
Год журнала:
2021,
Номер
26, С. e01492 - e01492
Опубликована: Фев. 15, 2021
Owing
to
decreasing
costs
and
increased
efficiency,
it
is
now
conceivable
that
conservation
genomic
information
can
be
used
improve
the
effectiveness
of
recovery
programs
for
many,
if
not
most,
threatened
plants.
We
suggest
a
simple
study
viewed
as
an
initial
step
in
decision-making,
informs
long-term
efforts
various
ways.
present
biodiversity
managers
biologists
with
simple,
standardized
workflow
research
guide
efficient
collection,
analysis
application
across
disparate
Using
two
case
studies,
'Banksia
vincentia'
Daphnandra
johnsonii,
we
demonstrate
how
single
round
genotyping
by
sequencing
–
one-time
cost
produces
multiple
directly
applicable
benefits,
generating
early
possible
enhance
outcomes.
argue
shift
away
from
asking
whether
needed
or
justified,
towards
consideration
questions
need
addressed.
Such
should
aimed
at
cost-effectively
guiding
practical
aspects
plant's
management
plan.
The
presented
here
help
relevant
stakeholders
design
sampling
strategy
suits
their
needs.
Heredity,
Год журнала:
2023,
Номер
130(5), С. 289 - 301
Опубликована: Апрель 5, 2023
Genetic
data
can
be
highly
informative
for
answering
questions
relevant
to
practical
conservation
efforts,
but
remain
one
of
the
most
neglected
aspects
species
recovery
plans.
Framing
genetic
with
reference
and
tractable
objectives
help
bypass
this
limitation
application
genetics
in
conservation.
Using
a
single-nucleotide
polymorphism
dataset
from
reduced-representation
sequencing
(DArTSeq),
we
conducted
assessment
remnant
populations
endangered
forty-spotted
pardalote
(Pardalotus
quadragintus),
songbird
endemic
Tasmania,
Australia.
Our
were
inform
strategies
diversity
estimate
effective
population
sizes
patterns
inter-population
movement
identify
management
units
habitat
restoration.
We
show
structure
two
small
on
mainland
Tasmania
as
'satellites'
larger
Bruny
Island
connected
by
migration.
relating
Although
our
results
do
not
indicate
immediate
need
genetically
manage
populations,
estimated
some
that
they
are
vulnerable
drift,
highlighting
urgent
implement
restoration
increase
size
conduct
monitoring.
discuss
how
used
interventions
assessing
contemporary
aspects,
valuable
information
planning
decision-making
produced
guide
actions
account
chances
concern.
Restoration Ecology,
Год журнала:
2020,
Номер
28(3), С. 583 - 593
Опубликована: Фев. 6, 2020
The
genetic
diversity
of
germplasm
used
in
reintroduction
and
restoration
efforts
can
influence
how
resulting
populations
establish,
reproduce,
evolve
over
time,
particularly
disturbed
changing
conditions.
Regional
admixture
provenancing,
mixing
seeds
derived
from
multiple
within
the
same
region
as
target
site,
has
been
suggested
to
produce
genetically
diverse
germplasm.
Yet
little
empirical
evidence
shows
this
approach
compares
source
populations,
or
it
varies
restored
populations.
Here,
we
use
neutral
molecular
markers
follow
through
production
when
nursery
beds.
Castilleja
levisecta
is
a
rare
species
experiencing
inbreeding
depression
remaining
with
federal
recovery
plan
requiring
re‐establishment
areas
where
extirpated.
Specifically,
track
wild‐collected
different
approaches
reintroductions
using
two
propagule
types.
We
show
that
measures
diversity,
inbreeding,
relatedness
change
during
material
produced
regional
provenancing
approach,
step
at
which
are
mixed
type
influencing
whether
all
equally
represented.
While
increased
throughout
process,
beds
but
decreased
reintroductions,
lowest
rather
than
plugs.
results
highlight
importance
taking
an
integrated
informed
by
research
planning
implementing
mixed‐source