The
long-term
provision
of
ecosystem
goods
and
services
depends
on
the
operationalisation
ecosystem-based
management
approaches
that
ensure
effective
conservation
sustainable
use
marine
resources.
At
international
level,
this
challenge
is
addressed
through
two
United
Nations
instruments
-
Sustainable
Development
Goal
(SDG)
14:
Life
Below
Water,
Convention
Law
Sea
(UNCLOS)
Conservation
Use
Marine
Biological
Diversity
in
Areas
Beyond
National
Jurisdiction
(BBNJ).
To
achieve
resource
goals
described
SDG
14
BBNJ
Convention,
it
necessary
to
a
combination
tools,
including
area-based
tools
(ABMTs).
In
context,
spatially
explicit
models
can
inform
policy
frameworks
by
enabling
ecosystem-wide
assessments
ABMTs
with
indicators
track
their
performance.
However,
operational
these
complex
confidence
uncertainty
predictions.
Here,
we
present
framework
for
systematically
evaluate
performance
model
open-ocean
deep-sea
environments
Azores
(NE
Atlantic,
Portugal),
draw
conclusions
about
suitability
as
tool
deep-sea.
was
applied
Ecospace,
spatial-temporal
module
ecological
modelling
suite
Ecopath
Ecosim,
consisted
stepwise
approach
development
assessment
key
parameterisation
steps
allow
calibration
parameter
values
formal
temporal
spatial
results
against
best
available
reference
data.
Overall,
proved
useful
identifying
sensitivities
sources
arise
when
accounting
variability
trophodynamics
model.
addition,
concluded
able
reproduce
well
patterns
characterising
dynamics
biological
human
components
ecosystem.
i)
successfully
predicted
observed
interannual
fish
stocks
deep
sea
response
fisheries,
trophic
interactions
environment,
ii)
showed
good
moderate
goodness
fit
replicating
distribution
fishing
activities
derived
from
species
vessel
monitoring
data,
respectively.
It
noteworthy
comes
limitations
related
uncertainties
systematic
presented
study
provide
future
applications
predict
impacts
alternative
measures
sea.
PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(1), P. e0312170 - e0312170
Published: Jan. 15, 2025
The
Black
Sea
is
affected
by
numerous
anthropogenic
pressures,
such
as
eutrophication
and
pollution
through
coastal
river
discharges,
fisheries
overexploitation,
species
invasions,
the
impacts
of
climate
change.
Growing
concerns
regarding
cumulative
effects
these
pressures
have
necessitated
need
for
an
ecosystem
approach
to
assessing
state
this
basin.
In
recent
years,
European
Commission-JRC
has
developed
a
scientific
modelling
tool,
Blue2
Modelling
Framework
with
aim
exploring
consequences
EU
management
policy
options
on
marine
ecosystems.
This
framework
been
designed
provide
information
specific
ecological
indicators
set
out
in
legislation.
Here,
we
present
ecosystem.
model
represented
mid-1990s’
conditions
including
trophic
levels
from
primary
producers
mammals
sea
birds.
simulations
covered
period
1995–2021.
results
showed
that
gulls
&
cormorant
seabirds,
sprat,
horse
mackerel
mugilidae
had
structuring
role
food
web.
Fishing
fleets
indirect
negative
addition
commercially
exploited
species.
Analysis
confirmed
overall
temporal
degradation
when
comparing
other
models,
whilst
comparison
Mediterranean
allowed
us
identify
comparable
between
similar
structures.
spatial/temporal
successfully
simulated
ongoing
declining
dynamics
biomasses
majority
functional
groups
significant
observed
decreasing
trends
during
simulation
period.
first
attempt
represent
historical
current
spatially
temporally,
serving
reference
baseline
evaluating
scenarios
assisting
makers
evaluation
potential
environmental
options.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(11), P. 4449 - 4449
Published: May 24, 2024
Marine
ecosystems
are
becoming
increasingly
vulnerable
to
cumulative
anthropogenic
effects
and
pressures.
Therefore,
various
methodological
approaches
tools
have
been
designed
apply
impact
appraisal
schemes
better
assess
the
dynamics
interactions
among
pressures
affecting
marine
ecosystems.
This
study
aims
Spatial
Cumulative
Assessment
of
Impact
Risk
for
Management
(SCAIRM)
tool
Black
Sea
coastal
waters
considering
human
activities,
pressures,
on
different
ecosystem
components
coupled
with
one
management
scenario
development
actual
new
emerging
sectors.
According
SCAIRM,
primary
pressure
was
identified
as
introducing
or
spreading
non-indigenous
species
from
shipping.
Additionally,
when
impact,
activities
related
defense
flood
protection,
particularly
beach
nourishment
works,
were
found
highest
impact.
is
due
scores
associated
physical
loss
permanent
alteration
removal
seabed
substrates,
temporary
reversible
disturbances
seabed.
The
indicated
that
after
shipping,
oil
gas
exploitation
anticipated
become
second-highest
risk
sector
additional
in
Romanian
Sea.
increased
military
war
Ukraine
present
escalating
risks
must
be
considered
EBM
strategies.
results
possible
direct
toward
achieving
sustainability,
biodiversity
ecosystem’s
integrity.
Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
11
Published: April 25, 2024
Marine
protected
areas
(MPAs)
are
a
cornerstone
for
conserving
marine
ecosystems.
Legal
instruments
and
directives
have
been
put
in
place
to
foster
conservation
of
species
habitats;
among
all,
the
development
implementation
coherent
network
effective
MPAs.
Spatial
information
on
management
measures
regulated,
forbidden
or
allowed
activities
fundamental
understand
actual
role
MPAs
support/guide
policy
decisions.
The
shortage
standardized
geospatial
MPA
management,
governance
features,
human
uses
hinders
makers’
ability
make
informed
decisions
regarding
designation,
evaluation
associated
policies.
This
brief
aims
stimulate
international
actions
enable
researchers
decision-makers
accessing
data
development,
marine/maritime
spatial
planning
decision-making
processes.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Feb. 3, 2025
Water
stress
is
an
urgent
issue
in
many
regions
worldwide,
particularly
southern
European
countries.
This
study
reveals
the
consequences
of
decreased
freshwater
flow
on
marine
ecosystems
Mediterranean
Sea
due
to
climate
change
and
escalating
water
demands.
A
41%
reduction
river
may
result
a
10%
decline
primary
productivity
6%
decrease
biomass
commercial
fish
invertebrate
species.
Regional
reductions
could
be
as
high
12%
35%,
disrupting
coastal
their
related
socio-economic
sectors.
The
findings
emphasize
importance
considering
nutrient
load
changes
management
strategies
incorporating
ecosystem
requirements
into
environmental
for
bodies.
Integrated,
source-to-sink
approaches
are
crucial
sustainable
resource
utilization.
Freshwater
demand
cause
strong
species
biomass,
affecting
activities.
Frontiers in Marine Science,
Journal Year:
2023,
Volume and Issue:
10
Published: May 2, 2023
The
aim
of
this
work
is
to
present
the
food
web
models
developed
using
Ecopath
with
Ecosim
(EwE)
software
tool
describe
structure
and
functioning
various
European
marine
ecosystems
(eastern,
central
western
Mediterranean
Sea;
Black
Bay
Biscay,
Celtic
Sea
Iberian
coast;
Baltic
North
English
Channel,
Irish
west
Scottish
Norwegian
Barents
Seas).
A
total
195
based
on
168
scientific
publications,
which
report
original,
updated
modified
versions,
were
reviewed.
Seventy
included
temporal
simulations
while
28
implemented
Ecospace
spatiotemporal
dynamics.
Most
publications
referred
followed
by
sub-regions.
In
Sea,
region
had
largest
number
eastern
regions;
similar
trends
observed
in
previous
literature
reviews.
addressed
ecosystem
fisheries-related
hypotheses
several
investigated
impact
climate
change,
presence
alien
species,
aquaculture,
chemical
pollution,
infrastructure,
energy
production.
Model
complexity
(i.e.,
functional
groups)
increased
over
time.
Main
forcing
factors
considered
run
spatial
trophic
interactions,
fishery,
primary
Average
scores
indicators
derived
from
summary
statistics
compared.
Uncertainty
was
also
use
Ecosampler
plug-in
Monte
Carlo
routine;
only
one
third
reviewed
incorporated
uncertainty
analysis.
Only
a
limited
ECOIND
provides
user
quantitative
output
ecological
indicators.
We
assert
that
EwE
modelling
approach
successful
framework
analyse
dynamics
ecosystems,
evaluate
potential
impacts
different
management
scenarios.
Frontiers in Marine Science,
Journal Year:
2023,
Volume and Issue:
10
Published: July 25, 2023
Recent
decades
have
witnessed
declines
in
the
amount
of
fishing
catch
due
to
changes
marine
ecosystem
Eastern
Mediterranean
Sea.
These
are
mainly
a
consequence
direct
human
activities
as
well
global
warming
and
entry
invasive
species.
Therefore,
there
is
need
improve
fisheries
management
so
that
it
accounts
for
various
stressors
uses
environment
beyond
fishing,
while
providing
sustainable
catches
maintaining
healthy
ecosystem.
The
ability
understand,
sustainably
manage,
industry
relies
on
models
capable
analyzing
predicting
effects
entire
In
this
study,
we
apply
Ecospace,
spatial-temporal
component
Ecopath
with
Ecosim
approach,
study
Israeli
continental
shelf
evaluate
impact
climate
change
alternative
options
We
examine
several
alternatives
under
severe
assumption
RCP8.5
scenario
region.
Results
indicate
business-as-usual
conditions,
biomass
native
species
will
decrease,
increase,
be
decrease
catch.
addition,
examined,
prohibition
northern
region
Israel
along
establishment
network
nature
reserves
provides
optimal
response
fisheries.
Achziv
Nature
Reserve
projected
successful,
improving
local
reducing,
some
extent,
presence
results
consistent
visual
surveys
conducted
inside
outside
reserve
by
Parks
Authority.
Furthermore,
simulation
spill-over
areas
close
yielding
higher
those
regions.
Ocean & Coastal Management,
Journal Year:
2023,
Volume and Issue:
244, P. 106807 - 106807
Published: Aug. 14, 2023
The
long-term
provision
of
ecosystem
goods
and
services
depends
on
the
operationalisation
ecosystem-based
management
approaches
that
ensure
effective
conservation
sustainable
use
marine
resources.
This
challenge
is
addressed
internationally
through
two
United
Nations
instruments:
Sustainable
Development
Goal
(SDG)
14
-
Life
Below
Water,
Convention
Law
Sea
(UNCLOS)
for
Conservation
Use
Marine
Biological
Diversity
in
Areas
Beyond
National
Jurisdiction
(BBNJ
Agreement).
To
achieve
sustainability
goals
as
described
SDG
BBNJ
Agreement,
a
combination
tools,
including
area-based
tools
(ABMTs),
necessary.
Spatially
explicit
models
can
inform
policy
frameworks
by
enabling
ecosystem-wide
assessments
ABMTs
with
indicators
track
their
performance.
However,
operational
these
complex
confidence
uncertainty
predictions.
Here,
we
present
framework
to
systematically
evaluate
performance
spatially
model
deep-sea
open-ocean
environments,
using
EEZ
Azores
(NE
Atlantic,
Portugal)
case
study.
systematic
approach
aimed
determine
model's
suitability
tool
deep-sea.
was
applied
Ecospace,
spatial-temporal
module
ecological
modelling
suite
Ecopath
Ecosim.
It
consisted
stepwise
development
assessment
key
parameterisation
steps.
steps
served
calibration
parameter
values
formal
evaluation
temporal
spatial
results
against
best
available
reference
data.
Overall,
this
proved
useful
identifying
sensitivities
sources
arise
when
considering
variability
trophodynamics
model.
Moreover,
concluded
i)
effectively
predicted
observed
inter-annual
benthic
fish
stocks
response
fisheries,
trophic
interactions,
environmental
factors
ii)
showed
good
moderate
goodness-of-fit
replicating
distribution
patterns
fishing
activities.
Despite
its
strengths,
has
limitations
related
uncertainties
trophodynamics.
presented
study
provide
future
applications
predict
impacts
alternative
measures