Population genetic differentiation of the ubiquitous brooding coral Pocillopora acuta along Phuket Island reefs in the Andaman Sea, Thailand
BMC Ecology and Evolution,
Год журнала:
2023,
Номер
23(1)
Опубликована: Авг. 26, 2023
Abstract
Background
The
widespread
Indo-Pacific
coral
species
Pocillopora
acuta
Lamarck,
1816
displays
varying
levels
of
asexual
versus
sexual
reproduction,
with
strong
repercussions
on
genetic
diversity,
connectivity
and
structuring
within
among
populations.
For
many
geographic
regions,
baseline
information
diversity
is
still
lacking,
particularly
in
the
Andaman
Sea.
region
suffered
a
massive
heat-induced
bleaching
event
2010
high
cover
loss
branching
such
as
P.
.
A
subsequent
2016,
however,
revealed
mild
response
pocilloporids
compared
to
other
taxa
region,
suggesting
that
rare,
heat
tolerant
genotypes
had
been
selected
by
event.
In
order
test
whether
this
potential
‘evolutionary
rescue’
has
led
low
we
conducted
population
survey
covering
total
nine
different
populations
(336
individuals)
along
50
km
coastal
stretch
around
Phuket
Island,
Thailand.
We
used
six
microsatellite
markers
assess
genotypic
determine
prevalent
mode
reproduction
(i.e.
or
recruitment).
Results
contrast
Indian
Ocean
populations,
majority
corals
study
adopted
(75%
across
all
populations).
At
same
time,
substantial
regional
gene
flow
was
observed
Island
differentiation
indicated
three
clusters
were
separated
only
few
kilometers.
Patterns
isolation
distance
over
0.7
–
40
suggest
small-scale
barriers,
changing
currents
throughout
each
monsoonal
season,
potentially
contributing
locally
restricted
dispersal
larvae.
Conclusions
occurrence
distinct
short
stretches
suggests
not
extreme
impoverishment.
While
more
in-depth
genomic
analyses
are
necessary
investigate
changes
following
events,
our
results
will
help
guide
conservation
efforts
maintain
likely
be
dominant
future,
warmer
Sea
reefs.
Язык: Английский
Dominance of the coral Pocillopora acuta around Phuket Island in the Andaman Sea, Thailand
Ecology and Evolution,
Год журнала:
2023,
Номер
13(11)
Опубликована: Ноя. 1, 2023
Abstract
Pocillopora
damicornis
(Linnaeus,
1758),
a
species
complex,
consists
of
several
genetic
lineages,
some
which
likely
represent
reproductively
isolated
species,
including
the
acuta
Lamarck,
1816.
can
exhibit
similar
morphological
characteristics
as
P.
,
thus
making
it
difficult
to
identify
species‐level
taxonomic
units.
To
determine
whether
‐like
colonies
on
reefs
in
Andaman
Sea
(previously
often
identified
)
consist
different
we
sampled
individual
at
five
sites
along
50
km
coastal
stretch
Phuket
Island
and
four
island
towards
Krabi
Province,
Thailand.
We
sequenced
210
coral
samples
for
mitochondrial
open
reading
frame
six
distinct
haplotypes,
all
belonging
according
literature.
Recently,
was
observed
efficiently
recolonize
heat‐damaged
Thailand
well
globally,
potentially
important
future
reefs.
Specifically
light
global
change,
this
study
underscores
importance
high‐resolution
molecular
recognition,
since
units
are
factors
population
studies,
latter
crucial
management
conservation
efforts.
Язык: Английский