Frontiers in Marine Science,
Journal Year:
2023,
Volume and Issue:
10
Published: Nov. 2, 2023
The
pearl
oyster
Pinctada
radiata
is
an
iconic
species
in
the
Arabian
Gulf,
which
one
of
ecosystems
most
at
risk
world
because
multiple
sources
pollution
it
faces.
Alongside
chemical
pollution,
Gulf
ranked
first
with
regard
to
noise
and
light
populations
are
risk.
impact
these
latter
types
on
marine
invertebrates
still
poorly
known.
We
used
difference
brightness
that
can
exist
between
a
very
quiet
room
without
artificial
lighting
standard
laboratory
equipped
aquarium
as
testbed
explore
possible
behavioral
biological
traits
added
exposure.
During
experiment
lasted
2.5
months,
we
analyzed
their
grouping
behavior,
valve
activity,
rhythm,
growth
rate
spawning
activity.
In
kept
room,
oysters
dispersed
instead
regrouping
natural
environment,
was
observed
room.
They
stayed
closed
longer,
opening
amplitude
valves
systematically
lower,
position,
they
squeezed
more
tightly
when
subjected
pollution.
Their
daily
rhythm
strongly
structured
by
switching
electric
off,
females
showed
significantly
less
egg-laying
behavior.
conclusion,
seemingly
innocuous
human
activities
lead
significant
alterations
propose
could
have
effects
ecosystems.
Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Feb. 7, 2024
The
effects
of
anthropogenic
sources
light
on
the
circadian
biology
marine
animals
are
largely
unexplored
at
molecular
and
cellular
level.
Given
that
is
a
major
driver
rhythms
behavioral,
physiological,
cellular,
even
levels,
it
important
to
consider
light,
especially
night,
has
aquatic
species.
With
expanding
data
generated
from
clock
research,
surprising
these
techniques
have
not
been
applied
more
frequently
better
understand
how
artificial
affects
animal
rhythms.
Circadian
research
limited
behavioral
physiological
observations
in
wild
rather
than
understanding
due
logistical
constraints.
While
there
some
benefits
using
night
(ALAN),
also
many
studies
reporting
consequences
response
exposure
ALAN.
Here,
ALAN
environment
reviewed.
Furthermore,
perspectives
limitations
future
directions
discussed.
Taken
together,
this
an
area
which
information
required
translate
our
into
practices
promote
health
welfare
animals.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2023,
Volume and Issue:
378(1892)
Published: Oct. 29, 2023
Despite
22%
of
the
world's
coastal
regions
experiencing
some
degree
light
pollution,
and
biologically
important
artificial
at
night
(ALAN)
reaching
large
portions
seafloor
(greater
than
75%)
near
developments,
impacts
ALAN
on
temperate
tropical
reefs
are
still
relatively
unknown.
Because
many
reef
species
have
evolved
in
response
to
low-light
nocturnal
environments,
consistent
daily,
lunar,
seasonal
cycles,
distinct
spectra,
these
likely
be
profound.
Recent
studies
found
can
decrease
reproductive
success
fishes,
alter
predation
rates
invertebrates
impact
physiology
biochemistry
reef-building
corals.
In
this
paper,
we
integrate
knowledge
role
natural
with
a
synthesis
current
literature
organisms
explore
potential
changes
system
level
communities
exposed
ALAN.
Specifically,
identify
direct
individual
flow
effects
for
communities,
present
scenarios
where
could
significantly
system-level
dynamics,
possibly
even
creating
novel
ecosystems.
Lastly,
highlight
gaps
our
understanding
overall
systems.
This
article
is
part
theme
issue
‘Light
pollution
complex
ecological
systems’.
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2023,
Volume and Issue:
378(1892)
Published: Oct. 29, 2023
Our
planet
endures
a
progressive
increase
in
artificial
light
at
night
(ALAN),
which
affects
virtually
all
species,
and
thereby
biodiversity.
Mitigation
strategies
include
reducing
its
intensity
duration,
the
adjustment
of
spectrum
using
modern
emitting
diode
(LED)
sources.
Here,
we
studied
ground-dwelling
invertebrate
(predominantly
insects,
arachnids,
molluscs,
millipedes,
woodlice
worms)
diversity
community
composition
after
3
or
4
years
continued
nightly
exposure
(every
from
sunset
to
sunrise)
experimental
ALAN
with
three
different
spectra
(white-,
green-
red-dominated
light),
as
well
for
dark
control,
natural
forest-edge
habitat.
Diversity
pitfall-trapped
invertebrates,
local
contribution
beta
diversity,
did
not
differ
between
control
illuminated
sites,
spectra.
The
composition,
however,
was
significantly
affected
by
presence
light.
Keeping
lights
off
during
single
nights
show
an
immediate
effect
on
trapped
invertebrates
compared
nights.
These
effects
species
may
impact
ecosystems
cascading
across
food
web.
This
article
is
part
theme
issue
'Light
pollution
complex
ecological
systems'.
Epidemiology,
Journal Year:
2024,
Volume and Issue:
35(4), P. 559 - 567
Published: March 27, 2024
Artificial
light
at
night,
a
well-recognized
circadian
clock
disrupter,
causes
disturbances
in
endocrine
homeostasis.
However,
the
association
of
artificial
night
with
polycystic
ovary
syndrome
(PCOS)
is
still
unknown.
This
study
examines
effects
outdoor
on
sex
hormones,
glucose
homeostasis
markers,
and
PCOS
prevalence
Anhui
Province,
China.