Frontiers in Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
11
Published: Dec. 19, 2023
Anthropogenic
noise
in
marine
and
freshwater
environments
has
increased
dramatically,
with
a
range
of
negative
impacts
detrimental
consequences
on
many
aquatic
animals
across
taxa.
Benthic
organisms,
including
invertebrates,
can
sense
underwater
sounds,
yet
the
responses
they
trigger
these
organisms
have
received
little
attention.
We
conducted
two
laboratory-based
experiments
to
investigate
effect
sound
playback
movement
behavior
feeding
performance
red
cherry
shrimp
Neocaridina
davidi
as
model
decapod.
Movement
speed
decreased
significantly
upon
opening
divider
both
control
treatments.
However,
there
were
no
significant
sound-dependent
changes
overall
between
The
spatial
distribution
response
treatment
showed
changes;
spent
more
time
at
farthest
one-third
position
from
source.
Feeding
latency
(latency
find
food)
also
compared
control.
Moreover,
terms
number
successes
failures
finding
food
source
treatment,
succeeded
revisits
distracted
treatment.
Our
study
highlights
potential
for
human-made
impact
crustacean
activity.
Thus,
are
prone
anthropogenic
noise,
causing
their
movement-swimming
activities,
behavior.
Behavioral
observed,
namely
altered
locomotory
may
wider-reaching
effects,
animal
fitness.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Nov. 22, 2022
Abstract
Although
there
is
an
increasing
interest
in
the
effects
of
anthropogenic
noise
on
underwater
wildlife,
most
studies
focus
marine
mammals
and
fishes
while
many
others
taxa
substantial
ecological
importance
are
still
overlooked.
This
case
for
zooplankton
species
which
ensure
coupling
between
primary
producers
pelagic
food
webs.
Here,
we
measured
lifespan,
reproduction
mobility
laboratory-raised
water
fleas
Daphnia
magna
,
a
widespread
freshwater
species,
response
to
continuous
broadband
noise.
Surprisingly,
found
significant
increase
survival
fecundity,
leading
higher
fitness
when
considering
total
offspring
production
slight
population
growth
rate,
according
Euler-Lotka
equation.
Exposed
were
slower
than
control
individuals
hypothesised
that
energy
saved
from
reduced
was
reallocated
fecundity.
Our
results
can
have
implications
aquaculture
where
acoustic
environment
receives
little
attention.
Chronic
be
associated
with
certain
human
activities
but
consequences
natural
populations
might
differ
as
velocity
could
negative
outcomes
competition
predation.
result
highlights
first
time
that,
despite
absence
known
hearing
system,
zooplanktonic
crustacean
affected
by
chronic
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Nov. 22, 2022
A
bstract
Among
the
numerous
questions
about
human
impacts
on
ecosystems,
there
is
a
growing
interest
for
acoustic
pollution.
First
studies
underwater
pollution
focused,
and
showed
effects,
vertebrates’
behaviours.
Knowledge
effects
invertebrates
more
limited
huge
lack
concerning
zooplankton
species,
although
widely
used
as
bioindicators
in
chemical
Consequently,
it
critical
to
assess
impact
of
noise
zooplankton’s
fitness
(survival
fecundity).
Here,
isolated
water
fleas,
Daphnia
magna
,
were
reared
from
birth
death
presence
or
absence
motorboat
noises.
Effects
lifespan
clonal
offspring
production
(e.g.,
clutch
size,
number
produced
along
life)
assessed
chronic
exposure
boat
did
not
affect
’s
fitness.
The
spectral
temporal
features
sounds
could
explain
results.
This
study
highlights
importance
integrating
into
ecotoxicological
research
understand,
prevent,
communities.
Journal of Marine Science and Engineering,
Journal Year:
2023,
Volume and Issue:
11(6), P. 1115 - 1115
Published: May 24, 2023
Ultrasonic
antifouling
devices
are
installed
globally
on
a
variety
of
vessel
types
and
marketed
as
an
environmentally
friendly
method
for
biofouling
control.
The
aim
this
study
was
to
examine
the
effects
ultrasound
adults
three
species
common
solitary
ascidians
(Ciona
intestinalis,
Ascidiella
aspersa
Styela
plicata).
After
brief
(10
s)
exposure
two
frequencies
(30
35
kHz),
alterations
in
frequency
siphon
closing
events
length
time
siphons
remained
closed/open
were
observed.
results
revealed
that
able
perceive
ultrasound,
showing
frequency-dependent
behavioural
responses
vary
depending
size
individuals
involving
both
tactile
receptors
acoustic
system
homologous
vertebrate
inner
ear.
Continuous
(5
h)
30
kHz
caused
other
responses,
most
interesting
which
long-term
opening
oral
siphon,
indicating
lack
reactivity
mechanical
stimuli.
This
effect
suggests
stress
condition
could
lead
increased
vulnerability
predators
filter-feeding
impairment.
Therefore,
knowledge
sensitivity
sessile
marine
appears
be
essential
better
understanding
potential
noise
pollution
ecosystems.
Frontiers in Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
11
Published: Dec. 19, 2023
Anthropogenic
noise
in
marine
and
freshwater
environments
has
increased
dramatically,
with
a
range
of
negative
impacts
detrimental
consequences
on
many
aquatic
animals
across
taxa.
Benthic
organisms,
including
invertebrates,
can
sense
underwater
sounds,
yet
the
responses
they
trigger
these
organisms
have
received
little
attention.
We
conducted
two
laboratory-based
experiments
to
investigate
effect
sound
playback
movement
behavior
feeding
performance
red
cherry
shrimp
Neocaridina
davidi
as
model
decapod.
Movement
speed
decreased
significantly
upon
opening
divider
both
control
treatments.
However,
there
were
no
significant
sound-dependent
changes
overall
between
The
spatial
distribution
response
treatment
showed
changes;
spent
more
time
at
farthest
one-third
position
from
source.
Feeding
latency
(latency
find
food)
also
compared
control.
Moreover,
terms
number
successes
failures
finding
food
source
treatment,
succeeded
revisits
distracted
treatment.
Our
study
highlights
potential
for
human-made
impact
crustacean
activity.
Thus,
are
prone
anthropogenic
noise,
causing
their
movement-swimming
activities,
behavior.
Behavioral
observed,
namely
altered
locomotory
may
wider-reaching
effects,
animal
fitness.
