Diversity,
Год журнала:
2021,
Номер
13(11), С. 552 - 552
Опубликована: Окт. 30, 2021
Several
papers
deal
with
a
conservation
genetics
gap
in
which
plant
and
restoration
managers
or
practitioners
do
not
soundly
integrate
population
information
into
management.
Authors
concerned
about
this
issue
point
out
that
perceive
genetic
research
results
to
be
impractical
unnecessary
the
short
term
due
time
financial
constraints.
In
addition,
researchers
often
fail
translate
findings
comprehensive,
jargon-free
recommendations
effectively.
If
possible,
conservation-related
conservation-oriented
articles
should
easily
written
bridge
research–implementation
gap.
Finally,
based
on
previously
published
prioritization
framework
for
scenarios,
we
introduce
four
simple
categories
by
exemplifying
each
case.
We
hope
could
employ
these
suggested
guidelines
of
population-
species-level
Wuzhimaotao
(Radix
Fici
Hirtae)
originates
from
the
dry
root
of
Ficus
hirta
(Moraceae),
which
is
widely
known
as
a
medical
and
edible
plant
distributed
in
South
China.
As
increasing
demand
for
Wuzhimaotao,
wild
F.
has
been
extremely
reduced
during
past
years.
It
urgent
to
protect
rationally
develop
resources
its
sustainable
utilization.
However,
lack
genetic
background
makes
it
difficult
plan
conservation
breeding
strategies
this
plant.
In
present
study,
total
414
accessions
7
provinces
southern
China
were
evaluated
population
genetics
using
9
polymorphic
SSR
markers.A
mean
17.1
alleles
per
locus
was
observed.
The
expected
heterozygosity
(He)
varied
0.142
0.861
(mean
=
0.706)
nine
loci.
High
diversity
(He
0.706,
ranged
0.613
0.755)
low
differentiation
among
populations
(G'ST
0.147)
revealed
at
level.
addition,
analysis
molecular
variance
(AMOVA)
indicated
that
principal
existed
within
(96.2%)
significantly
higher
than
(3.8%).
Meanwhile,
three
kinds
clustering
methods
(STRUCTURE,
PCoA
UPGMA)
suggested
sampled
clustered
into
two
main
groups
(K
2).
Mantel
test
showed
significant
correlation
between
geographic
distance
(R2
0.281,
P
<
0.001).
Pollen
flow,
seed
flow
and/or
geographical
barriers
might
be
factors
formed
current
patterns
populations.This
comprehensive
study
structure
We
high
medicinal
clarified
causes
patterns.
Our
will
provide
novel
insights
exploitation
hirta.
Diversity and Distributions,
Год журнала:
2022,
Номер
29(2), С. 232 - 243
Опубликована: Ноя. 15, 2022
Abstract
Aim
Understanding
how
species'
traits
and
environmental
contexts
relate
to
extinction
risk
is
a
critical
priority
for
ecology
conservation
biology.
This
study
aims
identify
explore
factors
related
between
herbaceous
woody
angiosperms
facilitate
more
effective
management
strategies
understand
the
interactions
threats
traits.
Location
China.
Taxon
Angiosperms.
Methods
We
obtained
large
dataset
including
five
traits,
six
extrinsic
variables,
796,118
occurrence
records
14,888
Chinese
angiosperms.
assessed
phylogenetic
signal
used
generalized
least
squares
regressions
relationships
risk,
plant
variables
in
also
path
analysis
evaluate
causal
among
climate
of
different
growth
forms.
Results
The
differed
species.
Angiosperm
was
mainly
affected
by
form,
altitude,
mean
annual
temperature,
normalized
difference
vegetation
index,
precipitation
change
from
1901
2020.
Woody
strongly
height
precipitation,
whereas
species
temperature
rather
than
Main
conclusions
were
likely
have
higher
risks
under
threat
levels
varied
with
both
variables.
we
uncovered
may
help
protect
threatened
ecosystems
that
rely
on
them.
Abstract
Background
Caryopteris
mongholica
Bunge
is
a
rare
broad-leaved
shrub
distributed
in
the
desert
and
arid
regions
of
Mongol
North
China.
Due
to
land
reclamation,
natural
habitat
deterioration
anthropogenic
activities
recent
years,
wild
resources
have
sharply
reduced.
To
effectively
protect
rationally
use
it,
we
investigated
genetic
diversity
population
structure
from
18
populations
across
range
C.
China
by
reduced
representation
sequencing
technology.
Results
We
found
overall
average
values
observed
heterozygosity
(
Ho
),
expected
He
nucleotide
π
)
were
0.43,
0.35
0.135,
respectively.
Furthermore,
NM17
exhibited
higher
than
other
populations.
The
phylogenetic
tree,
principal
component
analysis
(PCA)
showed
sampled
individuals
clustered
into
two
main
groups.
NM03
population,
with
both
groups,
may
be
transitional
located
between
In
addition,
most
variation
existed
within
(90.97%)
compared
that
among
(9.03%).
Interestingly,
geographic
environmental
distances
almost
equally
important
differences.
Redundancy
(RDA)
identified
optical
radiation
(OR),
minimum
temperature
(MIT)
mean
annual
precipitation
(MAP)
related
variables
as
environment
factors
influencing
variation,
importance
MIT
was
also
confirmed
latent
factor
mixed
models
(LFMM).
Conclusions
results
this
study
facilitate
research
on
.
These
features
provided
vital
information
for
conserving
sustainably
developing
resources.
PeerJ,
Год журнала:
2021,
Номер
9, С. e10521 - e10521
Опубликована: Фев. 4, 2021
Seseli
farrenyi
(Apiaceae)
is
an
extremely
narrow
endemic
plant,
which
considered
as
one
of
the
species
most
conservation
concern
in
Catalonia
(NW
Mediterranean
Basin).
Given
accelerated
fragmentation
and
reduction
population
size
(of
over
90%),
environmental
agency
currently
preparing
a
recovery
plan
that
includes
reinforcements
extant
populations.
The
present
study
aimed
at
providing
necessary
knowledge
to
carry
out
genetically-informed
translocations,
by
using
microsatellites
genetic
markers.
Fourteen
have
been
specifically
developed
for
S.
,
nine
used.
Besides
natural
populations,
three
ex
situ
collections
are
known
exist
this
also
studied,
they
would
be
donor
sources
translocation
activities.
Our
main
finding
levels
diversity
populations
still
high
(
H
e
=
0.605),
likely
result
predominantly
outcrossing
mating
system
combination
with
limited
time
elapsed
since
decline.
However,
showing
first
signs,
values
differentiation
relatively
high,
two
well-differentiated
lineages
found
even
such
geographic
range.
These
results
provide
important
information
when
designing
management
measures.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 12, 2024
Abstract
White
clover
(
Trifolium
repens
)
is
a
stoloniferous
legume
herb
native
to
Eurasia,
which
had
been
introduced
and
spread
globally.
In
Brazil,
it
was
as
forage
crop.
While
previous
studies
focused
mainly
on
its
agricultural
benefits,
much
remains
unclear
about
territorial
dynamics,
introduction
process
potential
threats
in
Brazil.
This
study
aims
estimate
the
genetic
diversity
of
naturalized
white
populations
Brazil
assess
influence
cultivars
into
these
populations’
diversity.
Through
MIG-Seq
analysis,
1097
SNPs
show
that
Brazilian
have
94%
within-population
variation.
Additionally,
two
mountainous
areas
clustered
together,
while
rural
urban
formed
second
cluster.
Cultivars
are
less
diverse
27%
their
variability
between
them.
We
found
some
admixture
with
cultivated
varieties,
more
isolated
were
singular
background.
can
conclude
possible
parts
originally
native,
brought
during
European
immigration,
others
appear
similar
cultivar
ancestry,
indicating
biological
escapes
from
populations.
Considering
ecological
data
our
findings,
confirmed
indeed
The Plant Journal,
Год журнала:
2024,
Номер
119(6), С. 2967 - 2981
Опубликована: Авг. 8, 2024
SUMMARY
Demographic
history
and
mutational
load
are
of
paramount
importance
for
the
adaptation
endangered
species.
However,
effects
population
evolutionary
genetic
on
adaptive
potential
in
conifers
remain
unclear.
Here,
using
transcriptome
sequencing,
whole
chloroplast
genomes
mitochondrial
DNA
markers,
combined
with
niche
analysis,
we
determined
demographic
three
threatened
whitebark
pines
having
different
statuses,
Pinus
bungeana
,
P.
gerardiana
squamata
.
inference
indicated
that
severe
bottlenecks
occurred
all
at
times,
coinciding
periods
major
climate
geological
changes;
contrast,
while
experienced
a
recent
expansion,
maintained
small
sizes
after
bottlenecking.
Abundant
homozygous‐derived
variants
accumulated
pines,
particularly
species
most
heterozygous
was
moderately
few
highly
deleterious
pine
have
(
),
likely
because
purging
effects.
Finally,
modeling
showed
distribution
might
experience
significant
expansion
future,
species'
identified
clusters
also
supported
by
differences
ecological
niche.
The
integration
genomic,
data
has
allowed
us
to
prove
contrasting
patterns
load,
which
may
important
implications
their
thus
key
informing
conservation
planning.
Frontiers in Plant Science,
Год журнала:
2021,
Номер
12
Опубликована: Окт. 4, 2021
Dendroclimatic
research
offers
insight
into
tree
growth-climate
response
as
a
solution
to
the
forward
problem
and
provides
reconstructions
of
climatic
variables
products
reverse
problem.
Methodological
developments
in
dendroclimatology
have
led
inclusion
variety
growth
parameters
this
field.
Tree-ring
traits
developed
during
short
time
intervals
growing
season
can
potentially
provide
finer
temporal
scale
both
dendroclimatic
applications
offer
better
understanding
mechanisms
reaction
variations.
Furthermore,
transition
from
classical
studies
based
on
single
integral
variable
(tree-ring
width)
modern
multitude
quantitative
(e.g.,
wood
anatomical
structure)
adds
lot
complexity,
which
mainly
arises
intrinsic
feedbacks
between
muddles
seasonality
registered
signal.
This
study
utilized
life-long
measurements
150-
280-year-old
trees
Pinus
sylvestris
L.
moisture-sensitive
habitat
forest-steppe
Southern
Siberia
(Russia)
investigate
eliminate
legacy
effect
cell
production
tracheid
traits.
Anatomical
were
calculated
describe
results
three
main
subsequent
stages
conifer
xylem
development,
namely,
number
per
radial
file
ring,
mean
maximum
diameter,
cell-wall
thickness.
Although
tree-ring
width
was
almost
directly
proportional
number,
non-linear
relationships
with
revealed
measurements.
They
exhibited
stronger
relationship
areas
narrow
rings
stable
structure
wider
rings.
The
exponential
models
proposed
demonstrated
these
numerical
terms
morphometric
meaning.
ratio
their
modeled
values
used
develop
long-term
chronologies,
proved
retain
information
about
fluctuations
independent
(cell
number),
despite
decreased
common
New Forests,
Год журнала:
2022,
Номер
54(6), С. 1131 - 1152
Опубликована: Дек. 30, 2022
Abstract
Glyptostrobus
pensilis
(Cupressaceae)
is
the
only
surviving
species
of
genus
.
Although
widely
cultivated
throughout
China,
in
wild
it
occurs
as
small
stands
southeastern
central
Laos,
and
southern
Vietnam.
However,
its
low
genetic
variability,
lack
recruitment,
progressive
destruction
habitat
caused
by
humans,
have
meant
that
populations
are
showing
a
clear
declining
trend
whole
threatened.
Ecological
niche
modeling
used
here
to
study
present
potential
distribution,
well
future
(2061–2080)
using
several
global
circulation
models
under
two
shared
socioeconomic
pathways
(SSP
126
SSP
585)
being
produce
IPCC
Sixth
Assessment
Report.
The
current
area
G.
1,452,481
km
2
with
areas
greatest
probability
presence
located
China.
This
reduced
for
according
most
models,
greater
losses
585
scenario.
Between
6.9
31.3%
all
would
be
outside
(including
Lao
populations,
which
harbor
highest
levels
variability).
Conservation
measures
include
expansion
network
protected
(since
over
90%
do
not
occur
within
them),
development
propagation
techniques,
carrying
out
translocation
activities
should
require
international
collaboration
among
countries
found.
With
knowledge,
we
reassessed
threat
status
IUCN
criteria,
downgrading
from
CR
EN
both
China
at
level.
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,