Coral
carbonate
production
is
fundamental
to
reef
accretion
and,
consequently,
the
preservation
of
essential
ecosystem
services,
such
as
wave
attenuation
and
sustained
biodiversity.
However,
unprecedented
loss
coral
reefs
from
anthropogenic
impacts
has
put
these
valuable
services
at
risk.
To
counteract
this
loss,
active
rehabilitation
degraded
sites
accelerated
globally.
A
variety
restoration
practices
exist,
tailored
local
site
needs
types.
For
where
there
a
significant
unconsolidated
substrate,
Mars
Assisted
Reef
Restoration
System
(MARRS,
or
“Reef
Stars”)
been
utilised
contribute
toward
rubble
stabilisation
accretion.
effect
Stars
on
budgets
structural
complexity
not
assessed.
that
purpose,
we
assess
cover
through
census-based
approach
identify
contribution
producers
eroders
alongside
studying
skeletal
properties
estimate
current
rehabilitated
compared
natural
unrehabilitated
patches
mid-Great
Barrier
Reef.
Our
research
identified
positive
ecological
processes
functions
increased
budget,
restored
non-intervened
patches.
In
general,
no
rigour
relative
were
found
for
two
key
species
Acropora
most
traits.
P.
damicornis
hardness
seemed
decrease
other
sites,
demonstrating
different
performances
during
activities
should
be
considered
maximise
return-on-effort
activities.
Overall,
our
data
demonstrate
consideration
important
measuring
success
initiatives
can
relevant
tool
recover
lost
budgets.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
979, P. 179455 - 179455
Published: April 25, 2025
Climate
change,
in
tandem
with
localised
stressors,
continues
to
drive
global
declines
coral
cover
worldwide.
Identifying
where
and
how
corals
survive
present
day
extreme
environments,
characterised
by
suboptimum
abiotic
conditions,
has
become
a
key
tool
better
resolve
stress
tolerance
turn
future
reef
trajectories.
Whilst
several
forming
species
routinely
extend
their
ecological
niche
into
whether
have
distinct
biogeochemical
reflected
unique
elementomes
(the
stoichiometry
quantity
of
elements)
remains
unknown.
Here,
through
quantitative
assessment
elemental
mapping,
we
demonstrate
that
two
functionally
important
Great
Barrier
Reef
species,
Acropora
millepora
Porites
lutea
algal
symbionts
(Symbiodiniaceae)
exhibit
elementomes,
reflect
the
mangrove
lagoon
compared
neighbouring
reef.
Coral
were
over
multiple
years,
as
seawater
each
habitat.
Furthermore,
particulate
organic
matter
was
elevated
which
could
support
enhanced
rates
heterotrophy.
Collectively
these
findings
reveal
vegetative
island
waters
provide
environment
for
resident
undergo
bioelemental
reorganisation,
particularly
via
micronutrient
content,
when
living
lagoons.
Results
here
reaffirm
importance
systems
survival
reefs
thus
critical
need
ensure
conservation
efforts
consider
cross
ecosystem
protection
measures.
Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
10
Published: Jan. 26, 2024
Coral
carbonate
production
is
fundamental
to
reef
accretion
and,
consequently,
the
preservation
of
essential
ecosystem
services,
such
as
wave
attenuation
and
sustained
biodiversity.
However,
unprecedented
loss
coral
reefs
from
anthropogenic
impacts
has
put
these
valuable
services
at
risk.
To
counteract
this
loss,
active
rehabilitation
degraded
sites
accelerated
globally.
A
variety
restoration
practices
exist,
tailored
local
site
needs
types.
For
where
there
a
significant
unconsolidated
substrate,
Mars
Assisted
Reef
Restoration
System
(MARRS,
or
“Reef
Stars”)
been
utilised
contribute
toward
rubble
stabilisation
accretion.
effect
Stars
on
budgets
structural
complexity
not
assessed.
that
purpose,
we
assess
cover
through
census-based
approach
identify
contribution
producers
eroders
alongside
studying
skeletal
properties
estimate
current
rehabilitated
compared
natural
unrehabilitated
patches
mid-Great
Barrier
Reef.
Our
research
identified
positive
ecological
processes
functions
increased
budget,
restored
non-intervened
patches.
In
general,
no
rigour
relative
were
found
for
two
key
species
Acropora
most
traits.
Pocillopora
damicornis
hardness
seemed
decrease
other
sites,
demonstrating
different
performances
during
activities
should
be
considered
maximise
return-on-effort
activities.
Overall,
our
data
demonstrate
consideration
important
measuring
success
initiatives
can
relevant
tool
recover
lost
budgets.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(2), P. e0296902 - e0296902
Published: Feb. 28, 2024
Widespread
coral
bleaching
has
generally
been
linked
to
high
water
temperatures
at
larger
geographic
scales.
However,
the
response
can
be
highly
variable
among
individual
of
same
species,
between
different
and
across
localities;
what
causes
this
variability
remains
unresolved.
Here,
we
tracked
bleached
non-bleached
colonies
Acropora
muricata
see
if
they
recovered
or
died
following
a
stress
event
inside
semi-enclosed
lagoon
Bouraké
(New
Caledonia),
where
corals
are
long-term
acclimatized
extreme
conditions
temperature,
pH
dissolved
oxygen,
nearby
control
reef
more
benign.
We
describe
Symbiodiniaceae
community
changes
based
on
next-generation
sequencing
ITS2
marker,
metabolic
responses,
energetic
reserve
measures
(12
physiological
traits
evaluated)
during
La
Niña
warm
rainy
summer
in
2021.
(score
1
2
colour
health
chart)
was
observed
only
Bouraké,
likely
due
combination
(up
32°C)
heavy
rain.
All
(i.e.,
reference
site)
associated
predominantly
with
Symbiodinaceae
from
genera
Cladocopium
.
Unbleached
had
specific
ITS2-type
profile
(proxies
for
genotypes),
while
event.
After
four
months,
few
that
survived
(B2)
acquired
type
profiles
unbleached
Bouraké.
In
terms
performances,
all
showed
depression
(e.g.,
P
gross
R
dark
).
contrast,
maintained
higher
rates
reserves
compared
corals.
Our
study
suggests
enhanced
their
resistance
thanks
associations,
may
increase
resilience
after
stress.
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17259 - e17259
Published: April 29, 2024
Iron
(Fe)
plays
a
fundamental
role
in
coral
symbiosis,
supporting
photosynthesis,
respiration,
and
many
important
enzymatic
reactions.
However,
the
extent
to
which
corals
are
limited
by
Fe
their
metabolic
responses
inorganic
enrichment
remains
be
understood.
We
used
respirometry,
variable
chlorophyll
fluorescence,
O
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2022,
Volume and Issue:
98(2), P. 623 - 642
Published: Nov. 22, 2022
The
juxtaposition
of
highly
productive
coral
reef
ecosystems
in
oligotrophic
waters
has
spurred
substantial
interest
and
progress
our
understanding
macronutrient
uptake,
exchange,
recycling
among
holobiont
partners
(host
coral,
dinoflagellate
endosymbiont,
endolithic
algae,
fungi,
viruses,
bacterial
communities).
By
contrast,
the
contribution
trace
metals
to
physiological
performance
and,
turn,
functional
ecology
reef-building
corals
remains
unclear.
holobiont's
metal
economy
is
a
network
supply,
demand,
exchanges
upheld
by
cross-kingdom
symbiotic
partnerships.
Each
partner
unique
requirements
that
are
central
their
biochemical
functions
metabolic
stability
holobiont.
Organismal
homeostasis
determine
ability
adjust
fluctuating
supplies
heterogeneous
environments.
This
review
details
for
core
biological
processes
describes
how
key
sustaining
complex
nutritional
symbioses
Specifically,
we
discuss
contribute
compatibility,
cope
with
stress,
thereby
organismal
fitness
distribution.
Beyond
cycling,
outline
dynamic
nature
availability
environmental
can
be
influenced
variability
abiotic
factors
(e.g.
temperature,
light,
pH,
etc.).
Climate
change
will
have
profound
consequences
on
further
intensify
myriad
stressors
influence
survival.
Lastly,
suggest
future
research
directions
necessary
impacts
spanning
subcellular
levels,
which
inform
nutrient
cycling
more
broadly.
Collectively,
this
cross-scale
elucidation
role
allow
us
improve
forecasts
function.
Coral Reefs,
Journal Year:
2024,
Volume and Issue:
43(4), P. 919 - 933
Published: June 8, 2024
Abstract
Exposure
to
more
frequent
ocean
warming
events
is
driving
the
loss
of
coral
reef
cover
as
window
recovery
between
episodes
bleaching
reduces.
Coral
propagation
via
in
situ
nurseries
and
subsequent
outplanting
have
increased
worldwide
support
replenishing
on
degraded
reefs.
However,
challenges
identifying
fast-growing
bleaching-resistant
target
corals
limited
how
informative
we
can
be
regarding
resilience
outplanted
corals.
Here,
employed
short-term
thermal
stress
assays
using
Bleaching
Automated
Stress
System
(CBASS)
assess
threshold
a
pre-
post-propagation
nursery
frames.
We
show
that
year-long
nursery-propagated
exhibit
statistically
significant
reduction
thresholds
(i.e.,
ED50s)
compared
their
corresponding
reef-based
donor
colonies
based
dose–response
modelling
dark
acclimated
photosynthetic
efficiency.
RNA-Seq
was
then
used
underlying
drivers
this
thermotolerance
reduction,
processes
involved
metabolic
oxidative
management
were
disrupted
versus
heat-treated
Whether
trade-offs
during
potential
growth-focused
phases
(post-fragmentation),
conditions,
and/or
consecutively
high
summer
heat-load
drove
lower
capacity
remains
determined.
expressed
genes
associated
with
telomere
maintenance,
which
are
typically
stress-sensitive
under
seasonal
environmental
stress,
suggesting
heat-loading
contributed
observed
patterns.
Our
results
highlight
tolerance
(i)
variable
(ii)
subject
acclimation
varying
degrees
across
colonies.
Thus,
path
forward
for
practitioners
improve
efforts
may
entail
initial
screening
larger
population
from
thermally
superior
selected
propagation.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(2), P. 317 - 317
Published: Feb. 2, 2024
The
urgency
of
responding
to
climate
change
for
corals
necessitates
the
exploration
innovative
methods
swiftly
enhance
our
understanding
crucial
processes.
In
this
study,
we
employ
an
integrated
chemical
omics
approach,
combining
elementomics,
metabolomics,
and
volatilomics
methodologies
unravel
biochemical
pathways
associated
with
thermal
response
coral
symbiont,
Symbiodiniaceae