Abstract
Effective
management
and
mitigation
of
multiple
human
impacts
on
marine
ecosystems
require
accurate
knowledge
the
spatial
patterns
activities
their
overlap
with
vulnerable
habitats.
Cumulative
impact
(CI)
mapping
combines
information
intensity
extent
habitats
vulnerabilities
to
those
stressors
into
an
intuitive
relative
CI
score
that
can
inform
planning
processes
ecosystem‐based
management.
Here,
we
mapped
potential
CIs
45
from
five
sectors
(climate
change,
land‐based,
marine‐based,
coastal,
commercial
fishing)
21
in
Atlantic
Canada's
Scotian
Shelf
bioregion.
We
applied
uncertainty
sensitivity
analysis
assess
robustness
results
identify
hot
cold
spots
CIs.
Nearly
entire
bioregion
experiences
activities,
high
were
frequently
associated
stressors.
varied
widely
across
habitats:
scores
>30
m
deep
dominated
by
climate
change
fishing,
while
nearshore
influenced
a
much
wider
range
all
sectors.
When
standardized
area,
coastal
had
among
highest
scores,
highlighting
these
despite
relatively
small
emphasizing
importance
multisector
approach
when
managing
ecosystems.
Robust
(i.e.,
areas
insensitive
alternative
modeling
assumptions
simulated
data
quality
issues)
occurred
mostly
where
high‐intensity
overlapped
highly
biogenic
In
contrast,
robust
offshore.
Overall,
our
emphasize
need
consider
protection
demonstrates
that,
many
areas,
targeting
only
one
activity
will
be
insufficient
reduce
overall
impact.
The
map
useful
highlight
impacts,
provide
for
ecological
indicator
development,
establish
baseline
current
state
use
Environmental Pollution,
Год журнала:
2024,
Номер
361, С. 124863 - 124863
Опубликована: Авг. 30, 2024
The
weight
of
marine
litter
has
been
marginally
considered
in
comparison
to
counting
and
categorizing
items.
However,
determines
dynamics
on
water
coasts,
it
is
an
essential
parameter
for
planning
optimizing
clean-up
activities.
This
work
reviewed
80
publications
that
reported
both
the
number
beached
macro-litter
worldwide.
On
average,
a
item
weighed
19.5
±
20.3
g,
with
median
13.4
g.
Plastics
composed
80%
by
51%
global
bulk.
A
plastic
12.9
13.8
g
9
analysis
based
continents
bodies
returned
similar
values,
which
can
be
used
estimate
beaches
from
past
future
visual
census
surveys,
remote
sensing
imagery.
Overall,
this
improve
monitoring
reports
support
modelling,
thereby
contributing
environmental
protection
mitigation
efforts.
Marine Pollution Bulletin,
Год журнала:
2023,
Номер
192, С. 115099 - 115099
Опубликована: Май 31, 2023
This
baseline
focuses
on
the
octopus
pot,
a
litter
item
found
North
Atlantic
Iberian
coast.
Octopus
pots
are
deployed
from
vessels
in
ropes,
with
several
hundred
units,
and
placed
seabed,
to
capture
mostly
Vulgaris.
The
loss
of
gears
due
extreme
seas
state,
bad
weather
and/or
fishing-related
unforeseen
circumstances,
cause
contaminating
beaches
dunes,
where
they
transported
by
sea
current,
waves
wind
actions.
work
i)
gives
an
overview
use
pot
fisheries,
ii)
analyses
spatial
distribution
this
coast,
iii)
discusses
potential
measures
for
tackling
plague
Overall,
it
is
urgent
promote
conducive
policies
strategies
sustainable
waste
management
pots,
based
Reduce,
Reuse
Recycle
hierarchical
framework.
Abstract
Effective
management
and
mitigation
of
multiple
human
impacts
on
marine
ecosystems
require
accurate
knowledge
the
spatial
patterns
activities
their
overlap
with
vulnerable
habitats.
Cumulative
impact
(CI)
mapping
combines
information
intensity
extent
habitats
vulnerabilities
to
those
stressors
into
an
intuitive
relative
CI
score
that
can
inform
planning
processes
ecosystem‐based
management.
Here,
we
mapped
potential
CIs
45
from
five
sectors
(climate
change,
land‐based,
marine‐based,
coastal,
commercial
fishing)
21
in
Atlantic
Canada's
Scotian
Shelf
bioregion.
We
applied
uncertainty
sensitivity
analysis
assess
robustness
results
identify
hot
cold
spots
CIs.
Nearly
entire
bioregion
experiences
activities,
high
were
frequently
associated
stressors.
varied
widely
across
habitats:
scores
>30
m
deep
dominated
by
climate
change
fishing,
while
nearshore
influenced
a
much
wider
range
all
sectors.
When
standardized
area,
coastal
had
among
highest
scores,
highlighting
these
despite
relatively
small
emphasizing
importance
multisector
approach
when
managing
ecosystems.
Robust
(i.e.,
areas
insensitive
alternative
modeling
assumptions
simulated
data
quality
issues)
occurred
mostly
where
high‐intensity
overlapped
highly
biogenic
In
contrast,
robust
offshore.
Overall,
our
emphasize
need
consider
protection
demonstrates
that,
many
areas,
targeting
only
one
activity
will
be
insufficient
reduce
overall
impact.
The
map
useful
highlight
impacts,
provide
for
ecological
indicator
development,
establish
baseline
current
state
use
