Sustainability,
Journal Year:
2024,
Volume and Issue:
16(14), P. 5985 - 5985
Published: July 12, 2024
In
response
to
the
severe
fragmentation
of
Elkhorn
coral,
Acropora
palmata
(Lamarck,
1816),
stands
caused
by
a
major
winter
swell
(“Holy
Swell”)
in
March
2008,
an
emergency
community-based
low-tech
restoration
was
initiated
Vega
Baja,
Puerto
Rico.
Over
15-year
period,
coral
demographic
performance
and
fish
assemblages
were
monitored
across
four
restored
control
(non-restored)
100
m2
plots.
The
effort
proved
be
highly
successful,
leading
successful
survival
growth,
sustained
recovery
assemblages,
particularly
herbivore
guilds.
Significantly
increased
abundance,
biomass,
diversity
observed
all
trophic
functional
groups,
fishery
target
species,
geo-ecological
groups
both
These
positive
outcomes
attributed
enhanced
spatial
complexity
long-term
“nutrient
hotspots”
within
plots,
refugia
effect
from
benthic
complexity,
dispersal
paths
promoting
spillover
effects
adjacent
non-restored
areas.
Restoring
guilds
played
crucial
role
restoring
vital
ecological
processes
reef
ecosystem
resilience.
Recommendations
include
integrating
assemblage
into
strategies,
establishing
natural
nursery
plots
for
future
sourcing,
incorporating
concept
seascapes
holistic
ecosystem-based
approach
restoration.
European Journal of Tourism Research,
Journal Year:
2024,
Volume and Issue:
38, P. 3813 - 3813
Published: Aug. 1, 2024
The
main
objective
of
the
present
study
is
to
review
published
scientific
literature
related
recreational
or
tourist
activities
and
artificial
reefs
(AR).
paper
covers
different
geographical
contexts
determines
relevance
AR
tourism.
content
analysis
methodology
in
two
parts:
a
protocol
for
reviewing
containing
words
“artificial
reef(s)”
“tourism”
four
science
portals,
systematic
objectives
eligible
literature.
results
highlight
evolution
trends
production
field
tourism
from
1991
2020.
While
number
papers
generally
has
been
increasing
last
decade,
there
are
still
few
covering
show
which
countries
produce
more
tourism,
analytical
methods
used,
focus,
impact
factor
top
ten
countries,
areas/categories
knowledge
covered,
journals
where
published.
This
intends
make
connection
between
potential
interest
aroused
industry.
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.
Royal Society Open Science,
Journal Year:
2024,
Volume and Issue:
11(12)
Published: Dec. 1, 2024
Artificial
reefs
for
coral
reef
restoration
are
often
concrete-based.
After
concrete
is
poured,
it
initially
has
a
high
surface
pH
(approx.
13),
which
neutralizes
within
several
weeks.
During
this
curing,
colonization
by
marine
microalgae
delayed
and
also
macrobenthos
such
as
corals
may
be
impacted.
In
study,
we
evaluated
how
curing
time
applied
prior
to
the
deployment
of
artificial
affected
performance.
Fragments
five
species
were
outplanted
onto
ordinary
Portland
discs
(
n
=
10)
that
had
been
cured
on
land.
Seven
different
periods
applied,
ranging
from
one
day
up
four
months.
The
with
deployed
at
Kenyan
photographed
start
end
experiment.
1
year,
cover
increased
declined
one,
but
was
unrelated
time.
Also,
no
effect
seen
development
other
common
benthic
organisms
macroalgae
or
soft
corals.
We
conclude
unlikely
have
any
long-term
negative
impacts
performance
therefore,
extended
attachment
benefit
efforts.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(12), P. e0315475 - e0315475
Published: Dec. 30, 2024
Restoration
and
artificial
reefs
can
assist
the
recovery
of
degraded
but
are
limited
in
scalability
climate
resilience.
The
Mineral
Accretion
Technique
(MAT)
subjects
metal
to
a
low-voltage
electrical
current,
thereby
creating
calcium-carbonate
coating.
It
has
been
suggested
that
corals
on
MAT
structures
experience
enhanced
health
growth.
However,
prior
studies
report
conflicting
results
potentially
due
different
conditions,
species
approaches
used.
We
investigated
how
influences
bleaching
resilience,
condition
growth
four
coral
natural
recruitment
Kenya.
Coral
fragments
were
outplanted
charged
iron
tables
using
commonly-applied
settings
(6
V;
0.84
A
m
-2
).
After
one
month,
when
all
had
acquired
coating,
half
taken
off
electricity
serve
as
controls.
Both
treatments
(MAT
Control)
monitored
brightness,
(live
tissue
cover),
for
year,
during
which
marine
heatwave
occurred.
was
significantly
more
severe
studied
species.
For
three
species,
dropped
sharply
this
decline
faster
MAT.
reduced
remained
low
Control
harboured
34
recruits,
whereas
none
found
Thus,
while
be
useful
prevent
corrosion
reefs,
we
do
not
recommend
reported
here
improve
growth,
condition,
heat
resilience
or
recruitment.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(14), P. 5985 - 5985
Published: July 12, 2024
In
response
to
the
severe
fragmentation
of
Elkhorn
coral,
Acropora
palmata
(Lamarck,
1816),
stands
caused
by
a
major
winter
swell
(“Holy
Swell”)
in
March
2008,
an
emergency
community-based
low-tech
restoration
was
initiated
Vega
Baja,
Puerto
Rico.
Over
15-year
period,
coral
demographic
performance
and
fish
assemblages
were
monitored
across
four
restored
control
(non-restored)
100
m2
plots.
The
effort
proved
be
highly
successful,
leading
successful
survival
growth,
sustained
recovery
assemblages,
particularly
herbivore
guilds.
Significantly
increased
abundance,
biomass,
diversity
observed
all
trophic
functional
groups,
fishery
target
species,
geo-ecological
groups
both
These
positive
outcomes
attributed
enhanced
spatial
complexity
long-term
“nutrient
hotspots”
within
plots,
refugia
effect
from
benthic
complexity,
dispersal
paths
promoting
spillover
effects
adjacent
non-restored
areas.
Restoring
guilds
played
crucial
role
restoring
vital
ecological
processes
reef
ecosystem
resilience.
Recommendations
include
integrating
assemblage
into
strategies,
establishing
natural
nursery
plots
for
future
sourcing,
incorporating
concept
seascapes
holistic
ecosystem-based
approach
restoration.