International Journal of Conservation Science,
Год журнала:
2025,
Номер
16(1), С. 239 - 252
Опубликована: Март 15, 2025
This
research
aimed
to
analyze
the
species
composition
and
size
structure
of
flying
fish
caught
with
drift
gillnets
in
waters
West
Sulawesi
Province
from
July
December
2023.
The
sampling
was
carried
out
at
Fish
Landing
Port
(PPI)
Rangas
Village,
method
included
random
selection
three
fish-catching
vessels
using
gillnets.
Meanwhile,
samples
were
randomly
selected
taken
Fisheries
Laboratory
University
for
analysis.
measurement
a
ruler
precision
1
mm.
results
showed
that
captured
Hirundichthys
oxycephalus,
Cheilopogon
abei,
spilopterus
nigricans
total
number
820,232
individuals.
highest
observed
702,461
(85.64%),
59,252
(7.22%),
53,448
(6.52%)
5,071
(1.39%)
individuals,
respectively.
According
structure,
largest
Cheilopogon.
length
range
243-262,
230-242,
264-281
204-211mm.
Based
on
obtained,
it
still
foud
wat
not
suitable
catching.
capture
immature
gonads
can
cause
regeneration
be
interrupted
because
reproductive
process
does
occur.
Recommendations
management
conservation
effors
is
need
especially
pay
attention
catchable
size.
Frontiers in Neuroscience,
Год журнала:
2025,
Номер
19
Опубликована: Март 20, 2025
We
investigated
developmental
changes
in
neuromotor
activity
patterns
Drosophila
melanogaster
larvae
by
combining
calcium
imaging
with
a
novel
graph-based
mathematical
framework.
This
allows
to
perform
relevant
quantitative
comparisons
between
first
(L1)
and
early
third
(L3)
instar
larvae.
found
that
L1
exhibit
higher
frequencies
of
spontaneous
neural
fail
propagate,
indicating
less
mature
system.
In
contrast,
L3
show
efficient
initiation
propagation
along
the
entire
ventral
nerve
cord
(VNC),
resulting
longer
chains.
The
time
chain
VNC
is
shorter
than
L3,
probably
reflecting
increased
length
VNC.
On
other
hand,
peristaltic
waves
through
whole
body
during
locomotion
much
faster
L1,
so
correlating
velocities
greater
dispersal
rates.
Hence,
VNC-body
interaction
determines
characteristics
crawling
Further,
asymmetrical
neuronal
activity,
predominantly
anterior
segments
larvae,
was
associated
turning
behaviors
enhanced
navigation.
These
findings
illustrate
proposed
model
provides
systematic
method
analyze
across
stages,
for
instance,
helping
uncover
maturation
stages
circuits
their
role
locomotion.
International Journal of Conservation Science,
Год журнала:
2025,
Номер
16(1), С. 239 - 252
Опубликована: Март 15, 2025
This
research
aimed
to
analyze
the
species
composition
and
size
structure
of
flying
fish
caught
with
drift
gillnets
in
waters
West
Sulawesi
Province
from
July
December
2023.
The
sampling
was
carried
out
at
Fish
Landing
Port
(PPI)
Rangas
Village,
method
included
random
selection
three
fish-catching
vessels
using
gillnets.
Meanwhile,
samples
were
randomly
selected
taken
Fisheries
Laboratory
University
for
analysis.
measurement
a
ruler
precision
1
mm.
results
showed
that
captured
Hirundichthys
oxycephalus,
Cheilopogon
abei,
spilopterus
nigricans
total
number
820,232
individuals.
highest
observed
702,461
(85.64%),
59,252
(7.22%),
53,448
(6.52%)
5,071
(1.39%)
individuals,
respectively.
According
structure,
largest
Cheilopogon.
length
range
243-262,
230-242,
264-281
204-211mm.
Based
on
obtained,
it
still
foud
wat
not
suitable
catching.
capture
immature
gonads
can
cause
regeneration
be
interrupted
because
reproductive
process
does
occur.
Recommendations
management
conservation
effors
is
need
especially
pay
attention
catchable
size.