Developing a Southern Ocean Marine Ecosystem Model Ensemble To Assess Climate Risks and Uncertainties
Authorea (Authorea),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 15, 2024
Climate
change
could
irreversibly
modify
Southern
Ocean
ecosystems.
Marine
ecosystem
model
(MEM)
ensembles
can
assist
policy
making
by
projecting
future
changes
and
allowing
the
evaluation
assessment
of
alternative
management
approaches.
However,
projected
in
total
consumer
biomass
from
Fisheries
Ecosystem
Model
Intercomparison
Project
(FishMIP)
global
MEM
ensemble
highlight
an
uncertain
for
Ocean,
indicating
need
a
region-specific
ensemble.
A
large
source
uncertainty
originates
Earth
system
models
(ESMs)
used
to
force
FishMIP
models,
particularly
lower
trophic
level
sea
ice
coverage.
To
build
confidence
regional
MEMs
as
ecosystem-based
tools
changing
climate
that
better
account
uncertainty,
we
propose
development
Ensemble
(SOMEME)
contributing
2.0
intercomparison
initiative.
One
challenges
hampering
progress
is
achieving
balance
standardised
inputs
with
relevance.
As
first
step,
design
SOMEME
simulation
protocol,
builds
on
extends
existing
framework,
stages
include:
detailed
skill
forcing
variables
regions,
extension
fishing
data
include
whaling,
new
simulations
assess
ecological
links
sea-ice
processes
candidate
MEMs.
These
extensions
will
help
advance
assessments
urgently
needed
impacts
Language: Английский
Antarctic benthic ecological change
Nature Reviews Earth & Environment,
Journal Year:
2024,
Volume and Issue:
5(9), P. 645 - 664
Published: Sept. 3, 2024
Language: Английский
Realising the potential of interoperable data products to improve the outlook for marine biodiversity: Lessons from the European marine observation and data network
Marine Policy,
Journal Year:
2025,
Volume and Issue:
173, P. 106578 - 106578
Published: Jan. 8, 2025
Language: Английский
Developing a Southern Ocean Marine Ecosystem Model Ensemble to Assess Climate Risks and Uncertainties
Earth s Future,
Journal Year:
2025,
Volume and Issue:
13(3)
Published: March 1, 2025
Abstract
Climate
change
could
irreversibly
modify
Southern
Ocean
ecosystems.
Marine
ecosystem
model
(MEM)
ensembles
can
assist
policy
making
by
projecting
future
changes
and
allowing
the
evaluation
assessment
of
alternative
management
approaches.
However,
projected
in
total
consumer
biomass
from
Fisheries
Ecosystem
Model
Intercomparison
Project
(FishMIP)
global
MEM
ensemble
highlight
an
uncertain
for
Ocean,
indicating
need
a
region‐specific
ensemble.
A
large
source
uncertainty
originates
Earth
system
models
used
to
force
FishMIP
models,
particularly
lower
trophic
level
sea‐ice
coverage.
To
build
confidence
regional
MEMs
as
ecosystem‐based
tools
changing
climate
that
better
account
uncertainty,
we
propose
development
Ensemble
(SOMEME)
contributing
2.0
intercomparison
initiative.
One
challenges
hampering
progress
is
achieving
balance
standardised
inputs
with
relevance.
As
first
step,
design
SOMEME
simulation
protocol,
builds
on
extends
existing
framework,
stages
include:
detailed
skill
forcing
variables
regions,
extension
fishing
data
include
whaling,
new
simulations
assess
ecological
links
processes
candidate
MEMs.
These
extensions
will
help
advance
assessments
urgently
needed
impacts
Language: Английский
Mapping Biodiversity Coast‐to‐Coast‐to‐Coast Across Canada's Three Oceans Using eDNA Metabarcoding
Environmental DNA,
Journal Year:
2024,
Volume and Issue:
6(6)
Published: Nov. 1, 2024
ABSTRACT
Marine
biodiversity
worldwide
is
rapidly
declining,
and
nowhere
this
more
evident
than
in
coastal
ecosystems
where
the
impacts
of
climate
change
anthropogenic
activities
concentrate.
The
ongoing
crisis
affects
all
components
marine
food
web,
but
data
required
to
monitor
shifts
at
continental
scales
are
scarce
taxonomically
spatially
heterogeneous.
application
environmental
DNA
metabarcoding
can
complement
traditional
approaches
monitoring
biodiversity,
its
efficiency
detecting
large‐scale
biogeographic
breaks
remains
be
tested.
Using
86
surface
water
samples
collected
during
Canada
C3
expedition
summer
2017,
we
investigated
metazoan
across
Canada's
three
oceans—North
Pacific,
Arctic
North
Atlantic—using
multi‐marker
eDNA
metabarcoding.
resulting
dataset,
combining
information
from
seven
separate
amplicons,
identified
1477
unique
species
ranging
zooplankton
mammals.
We
found
that
around
separated
into
four
clusters
overlapped
with
known
ecoregions,
indicating
a
higher
connectivity
between
Atlantic
Pacific
clusters.
However,
detection
salmon
Canadian
suggests
these
may
extending
their
distribution
range
poleward.
By
comparing
occurrence
recorded
Ocean
Biodiversity
Information
System
(OBIS)
for
Alaska
waters,
324
“unexpected”
species.
These
results
demonstrate
importance
primer
selection
species‐specific
applications
provide
benchmark
further
work
aimed
validating
identification
map
large
spatial
scale.
Our
showed
powerful
method
an
interoceanic
Integrating
programs
valuable
insights
changes
associated
contribute
filling
gaps
species‐at‐risk.
Language: Английский
Optimal biodiversity survey: Where to survey biodiversity in terrestrial Antarctica
Xiang Zhao
No information about this author
Published: Jan. 1, 2024
To
effectively
conserve
Antarctica's
unique
biodiversity
and
habitats,
high-quality,
comprehensive
data
is
crucial.
However,
such
are
often
incomplete
biased.
My
thesis
presents
the
first
continent-wide
assessment
of
spatial
biases
in
region,
revealing
complex
factors
influencing
survey
locations
beyond
mere
proximity
to
research
stations.
I
also
introduce
a
pioneering
approach
optimising
future
surveys
amid
limited
resources,
proposing
designs
that
balance
cost,
coverage,
existing
biases.
This
work
highlights
importance
strategic
planning
Antarctica
offers
model
for
improving
collection
biogeographical
data.
Language: Английский
Spatial and temporal representation of marine fish occurrences available online
Vanessa Pizarro,
No information about this author
Andrea Castillo,
No information about this author
Andrea Piñones
No information about this author
et al.
Ecological Informatics,
Journal Year:
2023,
Volume and Issue:
79, P. 102403 - 102403
Published: Dec. 7, 2023
Despite
the
243,000
marine
species
described
by
2022,
our
knowledge
about
oceanic
biodiversity
is
still
incomplete.
This
gap
carries
potentially
adverse
and
far-reaching
consequences
for
preservation
of
ecosystems,
particularly
in
context
ongoing
human-induced
alterations
to
biosphere
rapid
progression
climate
change
global
environmental
shifts.
Recently,
however,
a
large
number
online
repositories
have
emerged,
which
catalogue,
store
distribute
information,
including
taxonomic
occurrence
data.
FishBase,
Global
Biodiversity
Information
Facility
(GBIF)
Ocean
System
(OBIS)
are
part
these
publicly
available
representing
variety
sources
that
exploded
number.
However,
despite
incredible
accumulation
records,
not
all
information
actually
useful,
nor
does
it
represent
any
new
regarding
richness
patterns.
In
this
study,
we
assessed
spatial
temporal
representativeness
fish
records
(order
Actinopterygii)
found
GBIF
OBIS
repositories.
The
methodological
framework
developed
relies
on
series
non-parametric
estimators
computing
from
incidence
methodology
employs
hexagonal
grids
as
sampling
units
overlay
bioregions
across
globe.
Using
standard
ecological
analysis
tools,
identify
regions
adequately
represented
terms
therefore
more
reliable
data,
well
with
few
do
current
richness.
We
overlap
results
location
protected
areas
fishing
exploitation
zones
understand
anthropogenic
effect
ichthyofauna.
additionally
evaluate
hypotheses
taxonomic,
geographic,
distribution
biases
deepen
understanding
public
occurrences
worldwide.
Considering
than
40
years
was
analyzed,
showed
that,
scale,
primary
data
platforms
far
being
representative
complete.
Only
1.14%
were
useful
analyses.
addition,
seems
be
biased
towards
coastal
areas,
close
countries,
where
there
activity.
Finally,
best
families
those
small
body
size,
use
shallow
habitats
usually
recognized
having
commercial
or
cultural
value.
Language: Английский