Noise Tolerant Photonic Bowtie Grating Environmental Sensor
ACS Sensors,
Год журнала:
2024,
Номер
9(4), С. 1857 - 1865
Опубликована: Апрель 10, 2024
Resonant
photonic
refractive
index
sensors
have
made
major
advances
based
on
their
high
sensitivity
and
contact-less
readout
capability,
which
is
advantageous
in
many
areas
of
science
technology.
A
issue
for
the
technological
implementation
such
response
to
external
influences,
as
vibrations
temperature
variations;
more
sensitive
a
sensor,
susceptible
it
also
becomes
influences.
Here,
we
introduce
novel
bowtie-shaped
sensor
that
highly
responsive
variations
while
compensating
changes
mechanical
(linear
angular)
vibrations.
We
exemplify
its
capability
by
demonstrating
detection
salinity
precision
0.1%,
corresponding
2.3
×
10–4
units
presence
fluctuations
As
second
exemplar,
detected
bacteria
growth
pilot
industrial
environment.
Our
results
demonstrate
possible
translate
resonant
into
real-world
environments.
Язык: Английский
Cascading, interactive, and indirect effects of climate change on aquatic communities, habitats, and ecosystems
Limnology and Oceanography,
Год журнала:
2023,
Номер
68(S1)
Опубликована: Июнь 1, 2023
Abstract
Climate‐change
is
rapidly
and
intensively
altering
aquatic
communities
habitats.
While
previous
work
has
focused
on
direct
effects
of
potential
drivers,
indirect
interactive
organisms
ecosystems
have
received
less
attention.
Here,
we
give
an
overview
contributions
to
a
special
issue
in
Limnology
Oceanography
that
addresses
this
knowledge
gap.
Contributions
covered
diverse
habitats,
from
polar
tropical
regions,
alpine
streams
coral
reefs.
Several
studies
relied
time‐series
identify
effects,
thus
emphasizing
our
need
maintain
high‐quality
data.
Time‐series
are
particularly
crucial
now
the
pace
climate‐change
aquatic‐ecosystems
accelerating.
Another
common
theme
role
species‐specific
characteristics
physiology,
behavior
or
genetics
ecosystem
function.
The
addition
inter‐
intra‐specific
variability
investigations
may
be
challenging
since
typically
involve
large
parameter
space
environmental
biological
variables
across
spatial
temporal
scales.
However,
results
demonstrate
inclusion
dynamics,
although
challenging,
can
deliver
mechanistic
insights
into
patterns
processes.
Some
leverage
habitat
changes
disturbances
climate
shifts
document
capacity
for
resilience
recovery
pelagic
benthic
communities.
Jointly,
fruitful
approaches
provide
urgent
information
needed
deciphering
responses
forcings.
This
foundational
if
wish
tackle
combined
change
other
human
impacts
with
maximum
efficacy
minimize
unintended
consequences
biodiversity
functioning.
Язык: Английский
Combined effects of salinization and temperature on microbial-mediated oak decomposition and invertebrate consumption
Aquatic Sciences,
Год журнала:
2023,
Номер
85(4)
Опубликована: Окт. 1, 2023
Abstract
Water
salinization
is
a
recognized
growing
threat
to
freshwaters,
whose
consequences
on
streams’
function,
per
se
or
concomitantly
with
other
stressors,
are
still
far
from
clear.
This
microcosm
study
evaluated
the
combined
effect
of
(0
and
4
g/l
NaCl)
temperature
(5,
15,
20
°C)
microbial-mediated
oak
leaf
litter
decomposition,
fungal
biomass,
sporulation,
microbial
respiration
as
descriptors.
Invertebrate
consumption
was
also
assessed
using
common
shredder
Sericostoma
vittatum
(Trichoptera,
Sericostomatidae).
Mass
loss
affected
by
interaction
between
salinity
temperature.
Under
salt
conditions,
mass
higher
at
15
°C
reduced
(~
10%)
°C.
Microbial
activity
lower
5
°C,
irrespective
salinity.
Fungal
biomass
both
(5
<
(4
0
NaCl),
although
not
significant.
The
variables
production
spores:
addition
strongly
sporulation
rates
all
temperatures
despite
significant
increase
in
conidial
significantly
only
salinization.
Overall,
our
results
seem
indicate
that
may
modulate
(at
least
≥
stream
decomposition.
While
stronger
effects
be
observed
temperatures,
consistent
strong
inhibition
shredders’
feeding
behavior
promoted
salt,
regardless
temperature,
anticipate
important
repercussions
secondary
throughout
year.
Язык: Английский
Multiple human activities in coastal benthic ecosystems: Introducing a metric of cumulative exposure
Elementa Science of the Anthropocene,
Год журнала:
2023,
Номер
11(1)
Опубликована: Янв. 1, 2023
Co-occurring
anthropogenic
activities
influence
coastal
ecosystems
around
the
world.
Notions
of
ecological
exposure
are
promising
indicators
to
better
understand
environmental
status
and
enhance
ecosystem
protection.
This
study
characterized
in
context
multiple
human
on
benthic
at
a
scale
<100
km.
Using
particle
diffusion
model
fishing
event
data,
we
developed
an
index
for
seven
(aquaculture,
artificial
structures,
dredging,
fisheries,
runoff,
sewers
shipping)
Canadian
industrial
harbour
area.
A
generally
low
cumulative
was
obtained,
with
highest
values
observed
directly
front
city
areas.
Derived
indices
explained
portion
community
structure
(R2
=
0.22),
suggesting
link
between
species
their
vulnerability
activities.
Such
tools
relevant
data-poor
environments
where
proxies
required
assess
state
ecosystem,
facilitating
application
ecosystem-based
management.
Язык: Английский