Frontiers in Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
10
Published: Oct. 4, 2022
Humans
have
utilized
the
Mesoamerican
Reef
(MAR)
for
millennia
but
effects
of
prehistorical
and
historical
fishing
on
this
ecosystem
remain
understudied.
To
assess
long-term
coupling
reef
human
dynamics
in
region,
we
tracked
trends
structure
functioning
lagoonal
reefs
within
Belizean
portion
MAR
using
fish
teeth
fossils
sediment
accumulation
rates
cores.
We
then
paired
with
a
timeline
demographic
cultural
changes
region’s
populations.
The
∼1,300-year
encompassed
core
record
shows
that
declines
relative
abundance
rate
from
parrotfish,
key
herbivore,
occurred
at
all
three
sites
began
between
∼1500
1800
AD
depending
site
metric
abundance.
A
causality
analysis
showed
parrotfish
had
positive
causal
effect
accretion
rates,
proxy
coral
growth,
reconfirming
important
role
these
functioning.
timing
initial
during
time
relatively
low
population
density
Belize.
However,
were
synchronous
upheaval
resulting
European
colonization
New
World.
more
recent
(∼1800
AD)
tandem
increased
subsistence
by
multiple
immigrant
groups,
pattern
was
likely
necessitated
establishment
an
import
economy
controlled
small
group
land-owning
elites.
These
paleoecological
reveal
current
abundances
central
Belize
are
well
below
their
pre-European
contact
peaks
pressure
post-contact
has
caused
decline
rates.
origins
degradation
hundreds
years
before
onset
modern
combined
local
disturbances
climate
change.
PLoS ONE,
Journal Year:
2012,
Volume and Issue:
7(6), P. e36687 - e36687
Published: June 5, 2012
The
health
of
the
coral
reefs
Abrolhos
Bank
(southwestern
Atlantic)
was
characterized
with
a
holistic
approach
using
measurements
four
ecosystem
components:
(i)
inorganic
and
organic
nutrient
concentrations,
[1]
fish
biomass,
macroalgal
cover
(iv)
microbial
community
composition
abundance.
possible
benefits
protection
from
fishing
were
particularly
evaluated
by
comparing
sites
varying
levels
protection.
Two
within
well-enforced
no-take
area
National
Marine
Park
(Parcel
dos
California)
compared
two
unprotected
coastal
(Sebastião
Gomes
Pedra
de
Leste)
one
legally
protected
but
poorly
enforced
reef
(the
"paper
park"
Timbebas
Reef).
biomass
lower
fleshy
higher
in
areas.
had
similar
seawater
chemistry.
Lower
vibrio
CFU
counts
observed
fully
California
Reef.
Metagenome
analysis
showed
that
abundance
archaeal
viral
sequences
more
bacterial
pathogens,
while
genes
related
to
photosynthesis.
Similar
other
systems
world,
there
evidence
reductions
herbivorous
fishes
consequent
increase
may
be
affecting
diversity
Through
integration
different
types
ecological
data,
present
study
lead
greater
health.
data
presented
herein
suggest
have
diversity,
most
degraded
Gomes)
showing
marked
reduction
species
richness.
It
is
concluded
conditions
promote
growth
rapid
evolution
opportunistic
pathogens.
Journal of Animal Ecology,
Journal Year:
2015,
Volume and Issue:
85(1), P. 146 - 156
Published: Sept. 2, 2015
Predators
can
exert
strong
direct
and
indirect
effects
on
ecological
communities
by
intimidating
their
prey.
The
nature
of
predation
risk
is
often
context
dependent,
but
in
some
ecosystems
these
contingencies
are
overlooked.
Risk
not
uniform
across
landscapes
or
among
species.
Indeed,
they
vary
widely
gradients
habitat
complexity
with
different
prey
escape
tactics.
These
dependencies
may
be
especially
important
for
such
as
coral
reefs
that
have
species-rich
predator
communities.
With
field
experiments
using
decoys
the
black
grouper
(Mycteroperca
bonaci),
we
investigated
how
reef
interacts
to
affect
foraging
behaviour
herbivory
rates
large
herbivorous
fishes
(e.g.
parrotfishes
surgeonfishes)
four
Florida
Keys
(USA).
In
both
high
low
areas
reef,
measured
changed
increasing
distance
from
decoy
examine
reconcile
conflicting
demands
avoiding
vs.
within
a
reefscape
context.
We
show
risk,
consumed
dramatically
less
food
(ca.
90%)
fed
at
faster
rate
when
did
feed
26%).
Furthermore,
closest
were
40%
smaller
than
those
foraged
further
distances.
Thus,
individuals
showed
muted
response
compared
larger
counterparts,
potentially
due
decreased
lower
reproductive
value
(i.e.
asset
protection
principle).
Habitat
heterogeneity
mediated
differently
species
herbivores,
more
strongly
suppressing
herbivore
feeding
complex
higher
predation.
appear
create
fear
changes
size
structure
herbivores
towards
individuals,
increases
individual
rates,
suppresses
overall
amounts
primary
producers
consumed,
altering
patterns
herbivory,
an
ecosystem
process
critical
healthy
reefs.
Ecological Applications,
Journal Year:
2015,
Volume and Issue:
25(8), P. 2142 - 2152
Published: May 11, 2015
Animal-derived
nutrients
play
an
important
role
in
structuring
nutrient
regimes
within
and
between
ecosystems.
When
animals
undergo
repetitive,
aggregating
behavior
through
time,
they
can
create
hotspots
where
rates
of
biogeochemical
activity
are
higher
than
those
found
the
surrounding
environment.
In
turn,
these
influence
ecosystem
processes
community
structure.
We
examined
potential
for
reef
fishes
from
family
Haemulidae
(grunts)
to
impact
on
communities.
To
do
so,
we
tracked
schooling
locations
diurnally
migrating
grunts,
which
shelter
at
sites
during
day
but
forage
off
each
night,
measured
fish
schools
benthic
that
grunt
showed
a
high
degree
site
fidelity,
repeatedly
returning
same
coral
heads.
These
aggregations
created
around
heads
nitrogen
phosphorus
delivery
was
roughly
10
7
times
respective
structurally
similar
lacked
fishes.
grazing
herbivorous
grunt-derived
were
approximately
3
grunts
rare.
differences
led
distinct
communities
with
cover
crustose
coralline
algae
less
total
algal
abundance
aggregation
sites.
Importantly,
growth
1.5
greater
hotspots,
likely
due
subsidy.
Our
results
suggest
their
subsidies
mediating
structure
reefs
overfishing
may
have
negative
consequences
functions.
As
such,
management
strategies
must
consider
mesopredatory
addition
current
protection
often
offered
herbivores
top-tier
predators.
Furthermore,
our
restoration
benefit
focusing
providing
low
topographic
complexity
or
nursery
raised
corals
existing
hotspots.
Frontiers in Ecology and the Environment,
Journal Year:
2018,
Volume and Issue:
16(4), P. 239 - 247
Published: April 4, 2018
Incorporating
ecological
processes
into
restoration
planning
is
increasingly
recognized
as
a
fundamental
component
of
successful
strategies.
We
outline
scientific
framework
to
advance
the
emerging
field
coral
restoration.
advocate
for
harnessing
that
drive
community
dynamics
on
reefs
in
way
facilitates
establishment
and
growth
restored
corals.
Drawing
decades
reef
ecology
research
lessons
learned
from
other
ecosystems,
we
posit
practitioners
can
control
factors
such
density,
diversity,
identity
transplanted
corals;
site
selection;
transplant
design
restore
positive
feedback
–
or
disrupt
negative
order
improve
success.
Ultimately,
argue
should
explicitly
incorporate
key
natural
exploit
dynamic
forces
recovery
ecosystems.
BMC Genomics,
Journal Year:
2012,
Volume and Issue:
13(1)
Published: Sept. 17, 2012
Abstract
Background
Seaweeds
of
the
Laurencia
genus
have
a
broad
geographic
distribution
and
are
largely
recognized
as
important
sources
secondary
metabolites,
mainly
halogenated
compounds
exhibiting
diverse
potential
pharmacological
activities
relevant
ecological
role
anti-epibiosis.
Host-microbe
interaction
is
driving
force
for
co-evolution
in
marine
environment,
but
molecular
studies
seaweed-associated
microbial
communities
still
rare.
Despite
large
amount
research
describing
chemical
compositions
species,
genetic
knowledge
regarding
this
currently
restricted
to
taxonomic
markers
general
genome
features.
In
work
we
analyze
transcriptomic
profile
L
.
dendroidea
J.
Agardh,
unveil
genes
involved
on
biosynthesis
terpenoid
seaweed
explore
interactions
between
host
its
associated
microbiome.
Results
A
total
6
transcriptomes
were
obtained
from
specimens
L.
sampled
three
different
coastal
locations
Rio
de
Janeiro
state.
Functional
annotations
revealed
predominantly
basic
cellular
metabolic
pathways.
Bacteria
was
dominant
active
group
microbiome
,
standing
out
nitrogen
fixing
Cyanobacteria
aerobic
heterotrophic
Proteobacteria.
The
analysis
relative
contribution
each
domain
highlighted
bacterial
features
related
glycolysis,
lipid
polysaccharide
breakdown,
also
recognition
surface
establishment
biofilm.
Eukaryotic
transcripts,
other
hand,
with
photosynthesis,
synthesis
carbohydrate
reserves,
defense
mechanisms,
including
terpenoids
through
mevalonate-independent
pathway.
Conclusions
This
describes
first
red
increasing
about
ESTs
Florideophyceae
algal
class.
Our
data
suggest
an
primary
production
holobiont
consumers
organic
matter
possibly
source.
Furthermore,
expressed
sequences
terpene
biosynthesis,
complete
pathway,
which
offers
new
possibilities
biotechnological
applications
using
metabolites
Diversity,
Journal Year:
2023,
Volume and Issue:
15(2), P. 288 - 288
Published: Feb. 16, 2023
The
presence
of
biofouling
communities
in
very
large
densities
offshore
wind
farms
(OWFs)
generates
broad
effects
on
the
structure
and
functioning
marine
ecosystem,
yet
mechanisms
behind
temporal
development
these
remain
poorly
understood.
Here,
we
use
an
11-year
series
fauna
from
OWFs
installed
Belgian
waters
to
determine
succession
patterns
unravel
role
biological
interactions
shaping
community
development.
Our
analysis
shows
that
interactions,
besides
age
location,
affect
diversity
OWFs.
abundance
foundation
species,
predators,
space
occupiers
was
significantly
related
richness
and/or
diversity.
trends
richness,
diversity,
composition
suggest
no
permanent
stable
climax
is
reached
after
11
years,
which
can
be
linked
dynamic
disturbance-prone
environment
fouling
communities.