Conservation Biology,
Journal Year:
2020,
Volume and Issue:
35(3), P. 909 - 920
Published: Aug. 12, 2020
Abstract
The
availability
of
genomic
data
for
an
increasing
number
species
makes
it
possible
to
incorporate
evolutionary
processes
into
conservation
plans.
Recent
studies
show
how
genetic
can
inform
spatial
prioritization
(SCP),
but
they
focus
on
metrics
diversity
and
distinctness
derived
primarily
from
neutral
sets.
Identifying
adaptive
markers
provide
important
information
regarding
the
capacity
populations
adapt
environmental
change.
Yet,
effect
including
based
SCP
in
comparison
more
widely
used
has
not
been
explored.
We
existing
a
commercially
exploited
species,
giant
California
sea
cucumber
(
Parastichopus
californicus
),
perform
coastal
region
British
Columbia
(BC),
Canada.
Using
RAD‐seq
set
717
P.
individuals
across
24
sampling
locations,
we
identified
putatively
(i.e.,
candidate)
single
nucleotide
polymorphisms
(SNPs)
genotype–environment
associations
with
seafloor
temperature.
calculated
various
both
candidate
SNPs
compared
outcomes
independent
combinations
metrics.
Priority
areas
varied
depending
whether
or
were
specific
metric
used.
For
example,
targeting
sites
high
frequency
warm‐temperature‐associated
alleles
support
persistence
under
future
warming
prioritized
southern
region.
In
contrast,
expected
heterozygosity
at
loci
uncertainty
north.
When
combining
metrics,
all
scenarios
generated
intermediate
solutions,
protecting
that
span
latitudinal
thermal
gradients.
Our
results
demonstrate
distinguishing
between
affect
solutions
emphasize
importance
defining
objectives
when
choosing
among
SCP.
Annual Review of Marine Science,
Journal Year:
2019,
Volume and Issue:
12(1), P. 153 - 179
Published: Sept. 10, 2019
The
geographic
distributions
of
marine
species
are
changing
rapidly,
with
leading
range
edges
following
climate
poleward,
deeper,
and
in
other
directions
trailing
often
contracting
similar
directions.
These
shifts
have
their
roots
fine-scale
interactions
between
organisms
environment-including
mosaics
gradients
temperature
oxygen-mediated
by
physiology,
behavior,
evolution,
dispersal,
interactions.
reassemble
food
webs
can
dramatic
consequences.
Compared
on
land,
more
sensitive
to
but
a
greater
capacity
for
colonization.
differences
suggest
that
cope
change
at
different
spatial
scales
the
two
realms
across
wide
key
mechanism
sea.
Additional
research
is
needed
understand
how
processes
interact
promote
or
constrain
shifts,
dominant
responses
vary
among
species,
emergent
communities
future
ocean
will
function.
Molecular Ecology,
Journal Year:
2017,
Volume and Issue:
26(20), P. 5369 - 5406
Published: July 26, 2017
Abstract
Whole‐genome
resequencing
(
WGR
)
is
a
powerful
method
for
addressing
fundamental
evolutionary
biology
questions
that
have
not
been
fully
resolved
using
traditional
methods.
includes
four
approaches:
the
sequencing
of
individuals
to
high
depth
coverage
with
either
unresolved
or
haplotypes,
population
genomes
by
mixing
equimolar
amounts
unlabelled‐individual
DNA
(Pool‐seq)
and
multiple
from
low
(lc
).
These
techniques
require
availability
reference
genome.
This,
along
still
cost
shotgun
large
demand
computing
resources
storage,
has
limited
their
implementation
in
nonmodel
species
scarce
genomic
fields
such
as
conservation
biology.
Our
goal
here
describe
various
methods,
pros
cons
potential
applications
offers
an
unprecedented
marker
density
surveys
wide
diversity
genetic
variations
single
nucleotide
polymorphisms
(e.g.,
structural
variants
mutations
regulatory
elements),
increasing
power
detection
signatures
selection
local
adaptation
well
identification
basis
phenotypic
traits
diseases.
Currently,
though,
no
approach
fulfils
all
requirements
genetics,
each
its
own
limitations
sources
bias.
We
discuss
proposed
ways
minimize
biases.
envision
distant
future
where
analysis
whole
becomes
routine
task
many
including
Evolutionary Applications,
Journal Year:
2017,
Volume and Issue:
11(7), P. 1035 - 1052
Published: Oct. 30, 2017
Abstract
Identifying
and
monitoring
locally
adaptive
genetic
variation
can
have
direct
utility
for
conserving
species
at
risk,
especially
when
management
may
include
actions
such
as
translocations
restoration,
rescue,
or
assisted
gene
flow.
However,
genomic
studies
of
local
adaptation
require
careful
planning
to
be
successful,
in
some
cases
not
a
worthwhile
use
resources.
Here,
we
offer
an
framework
help
conservation
biologists
managers
decide
genomics
is
likely
effective
detecting
adaptation,
how
plan
assessment
address
objectives.
Studies
using
tools
will
inform
many
cases,
including
applications
flow
identifying
units.
In
others,
assessing
diversity,
inbreeding,
demographics
selectively
neutral
markers
most
useful.
And
assessed
more
efficiently
alternative
approaches
common
garden
experiments.
identify
key
considerations
variation,
provide
road
map
successful
collaborations
with
experts
issues
study
design
data
analysis,
guidelines
interpreting
results
from
assessments
programs
actions.
Molecular Ecology Resources,
Journal Year:
2017,
Volume and Issue:
17(3), P. 362 - 365
Published: March 20, 2017
Recently,
Lowry
et
al.
addressed
the
ability
of
RADseq
approaches
to
detect
loci
under
selection
in
genome
scans.
While
authors
raise
important
considerations,
such
as
accounting
for
extent
linkage
disequilibrium
a
study
system,
we
strongly
disagree
with
their
overall
view
inform
our
understanding
genetic
basis
adaptation.
The
family
protocols
has
radically
improved
field
population
genomics,
expanding
by
several
orders
magnitude
number
markers
available
while
substantially
reducing
cost
per
marker.
Researchers
whose
goal
is
identify
regions
must
consider
LD
experimental
system;
however,
there
no
magical
cutoff
below
which
researchers
should
refuse
use
RADseq.
further
made
two
major
arguments:
theoretical
argument
that
modeled
likelihood
detecting
selective
sweeps
RAD
markers,
and
gross
summaries
based
on
an
anecdotal
collection
studies.
Unfortunately,
simulations
were
off
worst
case,
anecdotes
merely
showed
it
possible
get
widely
divergent
densities
tags
any
particular
experiment,
either
design
or
due
efficacy.
We
argue
remains
powerful
efficient
approach
provides
sufficient
marker
density
studying
many
natural
populations.
Given
limited
resources,
wide
range
trade-offs
among
genomic
techniques,
light
question
power
different
techniques
answer
it.
Science,
Journal Year:
2019,
Volume and Issue:
365(6452), P. 487 - 490
Published: Aug. 1, 2019
Parallel
and
idiosyncratic
fish
adaptation
Fish
populations
respond
rapidly
to
fishing
pressure.
Within
a
handful
of
generations,
marked
phenotypic
change
can
occur—often
smaller
body
sizes,
because
it
is
the
big
that
are
usually
extracted.
Therkildsen
et
al.
examined
wild
ancestor
lineages
found
polygenic
mechanisms
underpin
this
rapid
evolutionary
capacity
(see
Perspective
by
Jørgensen
Enberg).
Phenotypic
happened
in
two
ways:
first,
multiple
small
parallel
changes
hundreds
unlinked
genes
associated
with
growth
variation
wild,
second,
shifts
large
blocks
linked
genes,
causing
allele
frequency
at
some
loci.
Science
,
issue
p.
487
;
see
also
443
Molecular Ecology,
Journal Year:
2017,
Volume and Issue:
26(17), P. 4452 - 4466
Published: June 19, 2017
Adaptation
to
local
conditions
is
a
fundamental
process
in
evolution;
however,
mechanisms
maintaining
adaptation
despite
high
gene
flow
are
still
poorly
understood.
Marine
ecosystems
provide
wide
array
of
diverse
habitats
that
frequently
promote
ecological
even
species
characterized
by
strong
levels
flow.
As
one
example,
populations
the
marine
fish
Atlantic
cod
(Gadus
morhua)
highly
connected
due
immense
dispersal
capabilities
but
nevertheless
show
several
key
traits.
By
combining
population
genomic
analyses
based
on
12K
single
nucleotide
polymorphisms
with
larval
patterns
inferred
using
biophysical
ocean
model,
we
individuals
residing
sheltered
estuarine
Scandinavian
fjords
mainly
belong
offshore
oceanic
considerable
connectivity
between
these
ecosystems.
Nevertheless,
also
find
evidence
for
discrete
fjord
genetically
differentiated
from
populations,
indicative
adaptation,
degree
which
appears
be
influenced
connectivity.
Analyses
architecture
reveal
significant
overrepresentation
large
~5
Mb
chromosomal
rearrangement
cod,
previously
proposed
comprise
genes
critical
survival
at
low
salinities.
This
suggests
environments
may
enabled
suppression
recombination
rearranged
region.
Our
study
provides
new
insights
into
potential
within
fine
geographical
scales
and
highlights
importance
genome
adaptation.