Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Oct. 4, 2024
Implementation
of
coral
restoration
practices
within
reef
management
strategies
is
accelerating
globally
to
support
resilience
and
recovery.
However,
full
costs
underpinning
project
feasibility
have
historically
been
underreported
yet
are
critical
informing
cost-benefit
decision-making.
Such
knowledge
especially
lacking
for
Australia’s
Great
Barrier
Reef
(GBR),
where
a
program
led
by
tourism
operators,
Coral
Nurture
Program
(CNP),
was
initiated
in
2018
(northern
GBR)
continues
scale.
Here
we
describe
the
early
outcomes
implementing
similar
tourism-led
asexual
propagation
outplanting
new
region,
Whitsundays
(central
through
CNP.
Specifically,
detail
local
operational
environmental
context
CNP
Whitsundays,
implementation
continuation
activities,
as
well
evaluate
survivorship
outplants
across
three
sites
nine
months
after
establishment
(August
2022
June
2023).
Baseline
benthic
surveys
revealed
relatively
low
hard
cover
at
(ranging
from
3.22-8.67%),
which
significantly
differed
composition
collection
16.67-38.06%),
supporting
strong
motivation
operators
undertake
activities.
Mean
fate-tracked
plots
between
267
days
23.33-47.58%),
with
declines
largely
driven
detachment.
Early-stage
cost-effectiveness
(costs
relative
outplant
survival)
associated
activity
varied
widely
US$33.04-178.55
per
surviving
(n
=
4,425
outplants)
depending
on
whether
‘in-kind’
costs,
(outplanting
only
vs.
total
encompassing
planning
monitoring),
site-based
survivorship,
or
combination
these
factors,
were
considered.
As
projects
continue
be
established
globally,
our
results
highlight
need
ongoing,
long-term
monitoring
that
can
inform
adaptive
practice,
fully
transparent
cost-reporting
understand
improve
any
given
project.
We
further
inherent
context-dependency
importance
considering
social-environmental
contexts
their
cost-benefits
economic
rationale
projects.
Advances in hospitality, tourism and the services industry (AHTSI) book series,
Journal Year:
2025,
Volume and Issue:
unknown, P. 61 - 84
Published: Jan. 21, 2025
Over-tourism
exacerbates
several
crucial
challenges,
including
soil
erosion,
deforestation,
pollution,
and
biodiversity
loss.
Furthermore,
the
demand
for
resources
such
as
water,
energy,
food
rises
dramatically,
resulting
in
scarcity
increased
competition
between
tourists
local
populations.
addressing
these
environmental
effects
is
critical
not
just
conserving
popular
places'
natural
beauty
biological
integrity,
but
also
ensuring
tourism
industry's
long-term
survival.
Thus,
reducing
repercussions
of
over-tourism
to
strike
a
balance
growth
preservation.
This
chapter
will
focus
on
consequences
propose
ways
mitigating
impacts.
By
over
investigating
practical
mitigation
strategies,
this
aims
provide
comprehensive
guide
policymakers,
industry
professionals,
navigate
challenges
promote
sustainable
practices.
Restoration Ecology,
Journal Year:
2024,
Volume and Issue:
32(4)
Published: March 13, 2024
Stakeholder‐led
coral
reef
restoration
efforts,
aimed
at
locally
retaining
or
rebuilding
populations,
have
rapidly
grown
over
the
last
two
decades.
However,
cost‐effectiveness—and
in
turn
viability—of
projects
remains
rarely
reported.
We
therefore
evaluated
planting
(often
termed
“outplanting”)
cost‐effectiveness
across
first
3.5
years
of
Coral
Nurture
Program
(CNP),
a
approach
integrated
within
tourism
operations
on
Australia's
Great
Barrier
Reef.
CNP
operator
activity
reporting
forms
(63,632
corals
planted,
5
operators,
and
23
sites)
were
used
to
opportunistically
calculate
costs
(PC;
US$
−1
trip
)
for
“routine”
versus
when
additional
stewardship
activities—that
regulate
effectiveness—were
undertaken
(e.g.,
nursery
maintenance).
Mean
PC
(±standard
error)
was
US$2.34
±
0.20
(ranging
US$0.78–6.03,
5th–95th
percentile),
but
increased
2‐
‐6‐fold
trips
where
propagation,
site
maintenance,
staff
training
conducted
support
efforts.
The
“realized”
cost
(PC
R
establishing
biomass
subsequently
determined
by
evaluating
survivorship
planted
space
(9
sites,
single
survey
timepoint,
n
=
4,723
up
3
old)
time
(2
9–12
months,
600
corals),
resulting
increasing
from
25–71%.
demonstrate
how
integration
practices
into
creates
potential
cost‐effective
“high‐value”
discuss
important
steps
improving
cost‐accounting
stakeholder‐led
programs
that
may
be
similarly
positioned
routinely
determine
their
cost‐effectiveness.
Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
11
Published: April 26, 2024
Significant
threats
to
the
long-term
persistence
of
coral
reefs
have
accelerated
adoption
propagation
and
out-planting
approaches.
However,
how
materials
commonly
used
for
structures
could
potentially
affect
coral-associated
bacterial
communities
remains
untested.
Here,
we
examined
impact
metal
on
communities.
Fragments
species
Acropora
millepora
were
grown
aluminium,
sand/epoxy-coated
steel
(Reef
Stars),
uncoated
(rebar)
structures.
After
6
months,
functional
taxonomic
profiles
propagated
corals
reef
colonies
characterised
using
amplicon
(16S
rRNA
gene)
shotgun
metagenomic
sequencing.
No
differences
in
phylogenetic
structure
or
profile
observed
between
colonies.
specific
genes
pathways
(e.g.,
lipid,
nucleotide,
carbohydrate
metabolism)
overrepresented
different
materials,
taxa
indicative
materials.
These
findings
indicate
that
may
lead
individual
potential
communities,
but
these
contribute
changed
holobiont
fitness
presents
a
key
question
be
addressed.
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.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
950, P. 175237 - 175237
Published: Aug. 5, 2024
Coral
reefs
are
among
the
most
diverse
and
valuable
ecosystems
on
planet,
providing
numerous
benefits
to
human
societies,
including
fisheries,
coastal
protection,
biodiversity
conservation.
In
order
effectively
manage
conserve
coral
reefs,
it
is
essential
understand
value
of
ecosystem
services
they
provide.
The
System
Environmental-Economic
Accounting
(SEEA)
framework
offers
a
comprehensive
approach
for
accounting
services,
which
can
be
useful
assessing
natural
environments.
While
validity
SEEA
many
marine
increasingly
acknowledged,
there
remains
scarcity
studies
that
have
investigated
in
context
reef
ecosystems.
To
bridge
this
gap,
study
extensive
examination
investigates
evolution
service
research
under
over
nearly
three
decades,
rich
dataset
understanding
trends
gaps.
findings
reveal
interdisciplinary
methodological
integration
research,
incorporating
remote
sensing,
environmental
science,
ecology,
economics,
ecological
computer
citizen
science.
Across
different
time
periods,
within
shared
focus
health
sustainability,
has
been
transition
from
concerns
about
impacts
activities
concentration
climate
change,
supported
by
empirical
evidence
case
studies.
These
results
contribute
our
better
Coral Reefs,
Journal Year:
2024,
Volume and Issue:
43(4), P. 1023 - 1035
Published: June 17, 2024
Abstract
A
key
goal
of
coral
restoration
is
to
re-establish
self-sustaining
populations
and
ensure
resilience
future
stressors,
which
requires
that
genetic
diversity
maximised.
However,
genotypic
(clonal)
variable
across
reef
sites
via
success
sexual
recruitment,
cryptic
species
can
complicate
breeding
efforts.
Assessing
colonies
be
used
in
therefore
critical
avoid
founder,
inbreeding
or
outbreeding
effects.
Considering
recent
efforts
upscale
propagation
on
the
Great
Barrier
Reef
(GBR),
we
examined
species,
population
clonal
structure
a
commonly
out-planted
tabular
Acropora
species—
hyacinthus
(Dana,
1864).
total
189
were
sampled
from
six
systems
throughout
northern-central
GBR
genotyped
using
an
Acropora-
specific
Affymetrix
microarray,
resulted
1387
variant
passed
quality
control.
Cryptic
readily
resolved
all
A.
represented
unique
genotypes
within
at
three
reefs.
At
reefs
contained
multi-ramet
genets
(clonal
genotypes),
mean
maximum
between-ramet
distances
0.68
1.99
m,
respectively.
Therefore,
sampling
>
2
m
apart
increases
likelihood
these
represent
distinct
genets.
Such
design
maximises
when
sourcing
for
out-planting.
Based
sites,
found
no
between-reef
divergence
based
locality.
Furthermore,
through
unintentional
non-target
Acroporid
show
how
this
genotyping
method
may
resolving
taxonomic
uncertainty
as
well
dynamics.