Animals,
Год журнала:
2024,
Номер
14(16), С. 2360 - 2360
Опубликована: Авг. 15, 2024
The
soundscape
is
a
complex
arrangement
of
sounds
originating
from
animals
and
the
environment.
It
considered
reliable
proxy
for
ecosystem
niche
structure
at
community
level.
Acoustic
communities
anuran
species
include
advertising
males,
which
compete
in
acoustic
space
conspecific
females.
Stochastic
theory
predicts
that
all
local
niches
are
occupied,
species-saturated.
niches,
spectral
temporal
call
diel
seasonal
patterns
activity,
similar
breadth
with
small
overlap.
We
tested
these
predictions
four
inhabiting
pristine
wetlands
2546-3188
m
a.s.l.
Volcanoes
National
Park,
Rwanda.
sampled
74
days
hourly
5
min
recordings
(September
2019-March
2020)
using
passive
automated
monitoring
devices
(Songmeter
SM4).
identified
based
on
advertisement
features
measured
activity
as
calls
per
minute.
included
4-6,
depending
wetland
structure,
shared
stock
three
(
PeerJ,
Год журнала:
2023,
Номер
11, С. e14641 - e14641
Опубликована: Янв. 12, 2023
Background
Many
factors
can
influence
circadian
rhythms
in
animals.
For
acoustically
communicating
species,
both
abiotic
cues
(such
as
light
and
temperature)
biotic
the
activity
of
other
animals),
timing
signalling
activity.
Here
we
compare
24-h
singing
cricket
Lebinthus
luae
laboratory
field
to
assess
whether
presence
insects
influences
rhythm.
Methods
Acoustic
monitors
were
placed
four
localities
Singapore
number
L.
calls
counted
for
10
min
each
hour.
Individuals
from
same
captured
recorded
silence
but
with
similar
conditions
(temperature
cycle)
they
experience
field,
over
24
h
was
quantified.
Results
The
pattern
not
significantly
different
between
recordings.
Singing
peaked
morning,
a
secondary
peak
afternoon
smaller
at
night.
In
sang
locations
time
diurnally
cicadas,
suggesting
that
sympatric
cicada
chorus
did
affect
rhythm
communication
this
species.
niche
partitioning
could
potentially
explain
ability
call
alongside
cicadas:
sings
higher
frequencies
than
unlike
nocturnally
species
overlap
cicadas
frequency.
Frontiers in Ecology and Evolution,
Год журнала:
2024,
Номер
12
Опубликована: Авг. 8, 2024
Birds
use
sound
for
conspecific
communication.
According
to
the
acoustic
niche
hypothesis,
they
avoid
signal
competition
with
other
species
by
partitioning
in
frequency
and
time.
Others
have
observed
introduced
changing
vocal
behavior
of
native
species;
however,
community-level
effects
multiple
remain
unknown.
Hawai‘i,
its
legacy
bird
extinctions
followed
a
surge
human
introductions,
offers
unique
opportunity
study
between
species.
We
predicted
that
communities
higher
percentages
birds
would
exhibit
more
overlap
members
different
due
shorter
time
frames
evolve
partitioning.
Using
autonomous
recording
units,
we
recorded
forest
during
summer
montane
primary
secondary
forests
as
well
low-elevation
agricultural
site.
Random
samples
recordings
from
each
site
were
visualized
spectrograms,
all
vocalizations
≥5
decibels
above
background
noise
identified
labeled
Frequency
range
proportion
compared
also
used
null
model
which
randomized
start
vocalization
within
location
over
500
iterations,
then
amount
heterospecific
randomizations
recordings.
While
generally
similar
ranges,
native-native
pairs
had
significantly
than
introduced-native
pairs.
Additionally,
incidence
original
tended
be
lower
randomizations,
but
this
difference
was
not
significant,
influenced
percentage
at
The
lack
significant
occurrence
suggests
space
either
spectrally
or
temporally,
are
strongly
influencing
Hawai‘i.
However,
may
been
consequence
non-breeding
season,
future
work
should
compare
activity
throughout
year.
Animals,
Год журнала:
2024,
Номер
14(16), С. 2360 - 2360
Опубликована: Авг. 15, 2024
The
soundscape
is
a
complex
arrangement
of
sounds
originating
from
animals
and
the
environment.
It
considered
reliable
proxy
for
ecosystem
niche
structure
at
community
level.
Acoustic
communities
anuran
species
include
advertising
males,
which
compete
in
acoustic
space
conspecific
females.
Stochastic
theory
predicts
that
all
local
niches
are
occupied,
species-saturated.
niches,
spectral
temporal
call
diel
seasonal
patterns
activity,
similar
breadth
with
small
overlap.
We
tested
these
predictions
four
inhabiting
pristine
wetlands
2546-3188
m
a.s.l.
Volcanoes
National
Park,
Rwanda.
sampled
74
days
hourly
5
min
recordings
(September
2019-March
2020)
using
passive
automated
monitoring
devices
(Songmeter
SM4).
identified
based
on
advertisement
features
measured
activity
as
calls
per
minute.
included
4-6,
depending
wetland
structure,
shared
stock
three
(
