Endangered Species Research,
Год журнала:
2023,
Номер
52, С. 177 - 188
Опубликована: Сен. 11, 2023
New
Zealand
sea
lions
Phocarctos
hookeri
have
experienced
a
46%
decline
in
pup
production
the
last
25
yr,
driven
by
female
deaths
trawl
fisheries
around
Auckland
Islands.
The
only
colony
for
this
species
recorded
away
from
subantarctics
and
fishing
impact
is
on
Stewart
Island.
Despite
Island
being
1%
of
species,
it
significant,
as
currently
stable
population
located
an
area
most
on-land
human
impacts,
although
not
potential
pressures.
To
ensure
colony’s
persistence,
more
information
needed
these
lions’
diet,
foraging
behaviour,
local
interactions
management
that
promotes
their
protection.
present
research
investigates
long-term
infers
using
known
behaviour
linking
to
proximal
full-length
whisker
isotope
values.
Previous
studies
found
animals
small
areas
with
consistent
mesopelagic
diving
behaviours.
These
behaviours,
linked
values,
show
consistency
inferred
diet
across
entire
adult
life.
Currently,
there
are
no
commercial
bycatch
issues
However,
precautionary
measures
ensuring
pressure
does
increase
safeguard
deepwater
trawling
finfish
aquaculture
remain
absent
would
be
proactive
steps
should
undertaken
protection
new
Endangered
whole.
An
experimental
kelp
farming
system
for
exposed
ocean
conditions
was
designed,
deployed
at
an
site
in
Saco
Bay,
Maine,
planted
with
and
instrumented
evaluation
of
its
dynamic
response
to
waves,
tides,
currents.
Anchor
line
tension,
tide
waves
were
measured.
Time
series
data
processed
into
amplitude
operators
(RAOs)
least
squared
error
linear
regression
models.
Mean
mooring
tensions
shown
increase
nonlinearly
tide.
tension
amplitudes
exhibit
high
sensitivity
both
low
frequency
wave
forcing.
Numerical
free-release
simulation
results
suggested
that
sensitivities
could
be
the
result
resonance.
Low
disproportionate
forcing
explained
by
modulation
group
envelopes.
Instances
magnitude
tensions,
deemed
shock
loads,
prevalent.
RAO
load
magnitudes
sensitive
stiffness
and,
some
cases,
significant
amplitude.
Implementation
additional
compliance
floatation
less
help
mitigate
loading.
Structural
frequencies
associated
swell
subdued,
indicating
desirable
performance
most
dominant
storms.
Frontiers in Aquaculture,
Год журнала:
2024,
Номер
3
Опубликована: Сен. 3, 2024
A
global
inventory
of
extractive
species
mariculture
in
wave-exposed
temperate
waters
shows
that
the
longline
is
technology
used
more
than
99%
sites
(Part
1
this
review).
In
second
part,
I
compare
static
(longline
at
rest),
quasi-static
(tidal
sea
surface
elevation,
steady
currents
and
mainline
lifting
operation)
dynamic
(wind
seas
swells)
loading
motion
surface,
semi-submerged
fully
submerged
longlines
to
grow
bivalves
kelp.
This
review
based
on
a
hundred
papers
published
subject
mostly
after
2010
simple
analytical
models
illustrate
many
compromises
must
be
made
ensure
survivability
structure
survival
(retention),
growth
quality
cultured
biomass.
Surface
are
unsuitable
for
exposed
environments.
To
mitigate
storm
energy
it
necessary
minimize
volume
buoys
submerge
maximum
depth
possible.
There
however
limit
minimizing
due
uplifting
by
currents.
case
kelp,
its
optimal
growing
within
few
meters
from
surface.
limitation
can
partly
circumvented
having
kelp
float
above
mainline.
bivalves,
tens
below
comes
with
some
disadvantages
including
difficulties
maintaining
delicate
buoyancy
balance,
particularly
without
legs,
reduced
access
mainline,
legs.
Devices
allow
autonomous
or
remote-controlled
changes
daily,
occasional
(husbandry
harvest
operations)
seasonal
basis
have
been
tested
but
not
yet
commercially
longlines.
The
world’s
oceans
are
largely
free
from
intensive
farming,
but
momentum
to
intensify
and
expand
mariculture—the
cultivation
of
aquatic
organisms
in
the
ocean—is
growing.
Despite
optimism
that
mariculture
will
create
economic
nutritional
benefits
for
humans,
it
can
also
generate
a
host
risks,
including
environmental
degradation,
harms
wildlife
integrity
welfare,
captivity
effects,
shifts
how
humans
view
nonhuman
world.
Collectively,
we
refer
these
four
types
risks
as
“dewilding.”
In
this
systematic
review,
searched
Scopus
Web
Science
recent
literature
documenting
mariculture’s
dewilding
impacts
organize
collate
evidence
under
one
unified
framework.
We
find
consistently
documented,
though
often
isolation,
conceptual
recognized
potential
far
less
than
on
environment
wildlife.
Future
work
examining
be
paramount
guiding
human
decision-making
activity
going
forward.
Deleted Journal,
Год журнала:
2024,
Номер
39, С. 1 - 9
Опубликована: Фев. 8, 2024
In
2021
we
published
a
six-year
study
(2015–2020)
of
the
occurrence
Mediterranean
Storm-petrel
Hydrobates
pelagicus
spp.
melitensis
around
Bluefin
Tuna
Thun-
nus
thynnus
fish-farm,
where
high
concentrations
took
place
during
spring
and
summer.
Great
abundances
storm-petrels
were
recorded
in
2020,
with
more
than
100
individuals
registered
throughout
April–August,
whereas
previous
years
only
few
had
been
detected
June–July.
These
figures
suggest
either
an
increasing
trend
storm-petrel
area
(i.e.
by
learning)
or
exceptional
episode,
probably
related
to
storm
Gloria
January
2020.
Here,
present
results
censuses
undertaken
2021–2022
whose
numbers
lower
those
2020
May–July.
This
supports
idea
that
events
occurring
southern
Catalonia
after
created
‘perfect
storm’
for
this
area.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 18, 2024
We
explore
the
biodiversity
impacts
of
seaweed
and
shellfish
farms
in
Pembrokeshire,
UK,
with
a
focus
on
using
monitoring
methods
that
are
affordable
can
be
integrated
into
existing
farming
operations.
Monitoring
used
include
Baited
Remote
Underwater
Video
Systems
(BRUVs),
Passive
Acoustic
(PAM)
visual
surveys
cultivation
lines
natural
settlement
farm
infrastructure.
BRUVs
detected
13
motile
fauna
taxa,
influenced
mainly
by
site
conditions,
while
PAM
observed
distinct
patterns
dolphin
porpoise
activity
changes
between
seasons.
Visual
revealed
colonisation
algal,
hydroid,
bryozoan
species
both
surface
seabed
infrastructure,
indicating
structures
serve
as
stable
substrates
for
accumulation.
Apart
from
our
data
does
not
show
conclusive
link
due
to
highly
dynamic
environment,
small
scale
operations,
relatively
short
timeframe.
Despite
these
limitations,
sets
crucial
baseline
future
studies
showed
no
negative
even
activities
intensified
over
period.
The
study
aligns
what's
feasible
time-constrained
operators
forms
foundation
routine,
environmental
monitoring.
Analytical Letters,
Год журнала:
2024,
Номер
unknown, С. 1 - 8
Опубликована: Апрель 1, 2024
The
presence
of
arsenic
(As)
in
drinking
water
represents
a
public
health
concern
due
to
its
high
toxicity.
Determining
by
total
reflection
X-ray
fluorescence
spectrometry
(TXRF)
requires
the
separation
matrix
and
subsequent
preconcentration,
low
concentrations
allowed
quality
standards
for
human
consumption.
present
study
describes
method
determine
As
TXRF,
proposing
capture
on
copper
(Cu)
films.
A
simple
"in
situ"
concentration
directly
reflector
is
performed,
enabling
elimination
sample
facilitating
extraction
Cu
film.
These
promising
results
warrant
further
research
evaluate
procedure's
efficiency
validation,
potentially
establishing
this
as
routine
low-concentration
determination.
With
the
increasingly
global
scale
and
scope
of
aquaculture,
need
to
match
this
development
with
improvements
in
fish
welfare
is
a
central
societal
industry
goal.
We
provide
comprehensive
assessment
farmed
Atlantic
salmon
(Salmo
salar)
literature
targeted
examples
focusing
on
Tasmania,
Australia.
synthesise
insights
from
both
small-
industry-scale
perspectives,
highlighting
other
reviews
that
discussions
particular
sub-areas
research.
focus
recent
advances
improved
methods
for
handling
management,
behaviour,
health
issues
breeding.
also
address
wildlife
interactions
resulting
farming,
as
well
future
research
directions
system
development.
This
review
can
serve
basis
aquaculture
management
guidelines
place
individual
primary
PLoS ONE,
Год журнала:
2024,
Номер
19(4), С. e0298464 - e0298464
Опубликована: Апрель 17, 2024
The
global
population
consumes
more
seafood
from
aquaculture
today
than
capture
fisheries
and
although
the
industry
continues
to
grow,
both
sectors
will
continue
be
important
food
supply
into
future.
As
farming
expand
ocean
systems,
understanding
how
wild
populations
interact
with
farms
increasingly
informing
sustainable
planning
management.
Using
a
spatially
explicit
fishing
model
we
simulate
several
impacts
(i.e.,
aggregation,
protection
fishing,
on
fitness)
evaluate
mechanisms
underlying
interactions
between
aquaculture,
fisheries.
We
find
that
aggregation
of
species
can
increase
benefits
farm
provides
have
greater
mobile
species.
Splitting
total
area
smaller
benefit
fishery
catches,
whereas
larger
provide
ecological
through
conservation
populations.
Our
results
clear
lessons
design
co-manage
expanding
along
ecosystem
management
or
objectives.
Endangered Species Research,
Год журнала:
2023,
Номер
52, С. 177 - 188
Опубликована: Сен. 11, 2023
New
Zealand
sea
lions
Phocarctos
hookeri
have
experienced
a
46%
decline
in
pup
production
the
last
25
yr,
driven
by
female
deaths
trawl
fisheries
around
Auckland
Islands.
The
only
colony
for
this
species
recorded
away
from
subantarctics
and
fishing
impact
is
on
Stewart
Island.
Despite
Island
being
1%
of
species,
it
significant,
as
currently
stable
population
located
an
area
most
on-land
human
impacts,
although
not
potential
pressures.
To
ensure
colony’s
persistence,
more
information
needed
these
lions’
diet,
foraging
behaviour,
local
interactions
management
that
promotes
their
protection.
present
research
investigates
long-term
infers
using
known
behaviour
linking
to
proximal
full-length
whisker
isotope
values.
Previous
studies
found
animals
small
areas
with
consistent
mesopelagic
diving
behaviours.
These
behaviours,
linked
values,
show
consistency
inferred
diet
across
entire
adult
life.
Currently,
there
are
no
commercial
bycatch
issues
However,
precautionary
measures
ensuring
pressure
does
increase
safeguard
deepwater
trawling
finfish
aquaculture
remain
absent
would
be
proactive
steps
should
undertaken
protection
new
Endangered
whole.
