Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Июль 5, 2024
Research
on
the
marine
science
and
technology
innovation
efficiency
(MSTE)
from
perspective
of
value
chain
is
not
only
an
inevitable
requirement
for
in-depth
exploration
Marine
activities,
but
also
important
guidance
sustainable
development
optimization
economy.
Based
perspective,
process
divided
into
three
phases:
basic
innovation,
applied
research
development,
gainful
transformation,
network
DEA
model
used
to
measure
MSTE
11
provinces
municipalities
along
coast
China
2007
2021;
modified
gravity
social
analysis
are
examine
spatial
correlation
characteristics
at
different
phases
their
influencing
factors.
The
results
show
that
gradually
develops
a
sparse
dispersed
state
close
trend,
pattern
unicentre,
polycentre
networked.
There
no
strict
hierarchical
structure
in
MSTE,
revenue
transformation
more
relevant
than
phase,
cross-regional
collaborative
needs
be
improved.
high-efficiency
have
strong
ability
radiate
other
provinces,
can
absorb
large
amount
resources.
has
formed
four
plates
two-way
spillover,
broker,
net
spillover
benefit
all
phases,
transmission
kinetic
energy
regional
obvious
gradient
characteristics.
strength
government
support,
industry
structure,
management
services
conducive
enhancing
development.
Through
this
study,
we
grasp
overall
dynamics
deeply
analyze
internal
logic
formation
mechanism
its
so
as
provide
scientific
basis
optimizing
resource
allocation
improving
efficiency.
Ecological Informatics,
Год журнала:
2024,
Номер
80, С. 102478 - 102478
Опубликована: Янв. 14, 2024
The
accurate
assessment
of
marine
fisheries'
carbon
emissions
(MFCE)
and
the
identification
spatial
temporal
variation
in
fisheries
eco-efficiency
(MFEE)
its
drivers
under
emission
reduction
constraint
can
facilitate
high-quality
development
achievement
'carbon
neutrality'
goal.
Current
assessments
MFEE
exclude
focus
on
single-factor
methodologies,
which
limit
their
utility
guiding
strategies.
In
this
study,
using
provincial
data
from
2008
to
2021,
we
constructed
a
model
undesired
output
efficiency
through
directional
distance
function
determine
potential
each
province.
global
Malmquist–Luenberger
(GML)
was
also
used
explore
trends
MFCE
China
influencing
growth.
Different
mechanisms
underlying
growth
three
major
economic
zones
were
investigated.
results
show
that
(1)
is
declining,
with
sources
showing
decline
sinks
rapid
year
2015
an
important
turning
point
for
fisheries.
(2)
level
differed
among
Chinese
coastal
provinces
cities
during
study
period,
circles
belonged
different
types
potential.
Under
constraint,
values
showed
fluctuating
upward
trend
significant
differences
rates
power
sources,
while
pure
technical
drove
optimal
eco-efficiency.
(3)
economy,
resource
use,
industrial
structure,
environmental
regulation,
science
technology
improve
MFEE,
whereas
degree
openness
outside
world
negatively
impacts
MFEE;
positive.
Water,
Год журнала:
2024,
Номер
16(2), С. 273 - 273
Опубликована: Янв. 12, 2024
In-depth
analyses
of
the
spatial
imbalance
and
polarization
marine
green
aquaculture
efficiency
have
a
profound
impact
on
realization
high-quality
development
fisheries.
Based
data
mariculture
in
nine
coastal
provinces
China
from
2006
to
2019,
this
research
analyzed
using
quantitative
measurements
explored
their
causes.
The
results
showed
that
(1)
is
relatively
effective,
but
there
still
room
for
improvement.
whole
country
three
economic
circles
shows
an
increasing
trend,
has
two
levels
differentiation
characteristics.
Compared
with
low
high
efficiency,
degree
medium-level
greater.
In
long
run,
China’s
will
slowly
evolve
high-level
state,
it
particularly
important
break
“self-locking
trap”
low-level
state.
(2)
differences
yield
among
are
main
factor
affecting
China.
Promoting
low-carbon,
resource-saving
high-added-value
products
achieving
win–win
situation
ecological
benefits
means
alleviate
efficiency.
(3)
There
certain
trend
China,
overall
upward
trend.
northern
eastern
circles,
southern
circle
lowest.
During
observation
year,
change
did
not
converge
into
minority
groups,
reason
was
large
gap
provinces.
can
provide
reference
accelerating
transformation
promoting
PLoS ONE,
Год журнала:
2025,
Номер
20(1), С. e0317419 - e0317419
Опубликована: Янв. 27, 2025
On
August
24,
2023,
Japan
controversially
decided
to
discharge
nuclear
wastewater
from
the
Fukushima
Daiichi
Nuclear
Power
Plant
into
ocean,
initiating
intense
domestic
and
global
debates.
This
study
employs
a
mixed-method
approach,
integrating
quantitative
evolutionary
game
theory
qualitative
data
analysis
explore
strategic
dynamics
among
Japan,
other
nations,
Fisheries
Association
regarding
this
decision.
The
includes
international
environmental
reports
economic
statistics,
served
as
basis
for
simulating
decision-making
processes
under
various
legal,
economic,
pressures.
model
is
used
predict
analyze
three
evolutionarily
stable
strategies
(ESS),
detailing
transition
initiation
cessation
of
discharge.
These
highlight
necessity
cooperation,
rigorous
scientific
research,
public
education,
effective
treatment
methods.
aims
provide
both
theoretical
framework
practical
guidance
foster
consensus
on
management,
which
vital
marine
conservation
sustainable
development.
Environmental and Sustainability Indicators,
Год журнала:
2024,
Номер
22, С. 100406 - 100406
Опубликована: Май 8, 2024
Marine
ecological
environmental
management
constitutes
a
fundamental
pillar
in
the
establishment
of
comprehensive
worldwide
marine
governance
framework.
Employing
bibliometric
methodologies,
this
article
systematically
explores
and
explicates
developmental
history
prevailing
focal
points
research
pertaining
to
spanning
period
from
1990
2022.
The
findings
study
unveil
an
exponential
surge
publication
relevant
literature
since
2013.
Notably,
majority
these
has
been
disseminated
through
high-impact
journals
such
as
Ecological
Indicators,
Science
Total
Environment
Pollution
Bulletin.
Throughout
past
three
decades,
global
pursuit
evolved
initial
emphasis
on
pollution
sources
protection
ecosystems,
subsequently
including
concerns,
thus
embracing
problem-oriented
solutions.
results
demonstrate
that
present
predominantly
revolve
around
implications
microplastic
sediments,
mechanisms
underlying
restoration
ecosystems
nature
reserves,
well
analysis
factors
driving
changes
formulation
corresponding
response
strategies.
Finally,
proffers
number
recommendations
perspectives
for
future
governance.
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Июнь 5, 2024
Introduction
The
expansion
of
fishery
development
from
offshore
to
deep-sea
areas
has
become
essential
for
countries
address
environmental
constraints
and
ensure
food
security.
This
study
aims
establish
a
cooperative
model
deep-blue
involving
the
government,
enterprises,
consumers.
Methods
We
constructed
an
evolutionary
game
simulation
analyze
government's
subsidy
strategy.
considers
interactions
between
consumers,
evaluating
how
different
strategies
influence
fishery.
Results
Our
results
demonstrate
that
government
subsidies
can
stimulate
growth
both
demand
supply
sides.
Specifically,
likelihood
positively
affects
enterprises'
engagement
in
consumers'
willingness
purchase
products.
system
reaches
steady
states
based
on
cost-benefit
changes
leading
various
optimal
strategies.
Discussion
findings
indicate
amount
should
be
optimized
rather
than
maximized,
as
excessive
may
not
yield
proportionate
benefits.
Additionally,
subsidizing
enterprises
proves
more
effective
promoting
compared
These
insights
guide
policymakers
designing
efficient
foster
sustainable
development.
It
is
imperative
to
achieve
the
high-quality
development
of
fisheries
and
green
transformation
mariculture.
Based
on
data
marine
aquaculture
in
China
from
2006
2019,
this
research
uses
Super-SBM
(Slacks-Based
Measure)
model
measure
efficiency
analyzes
regional
gap,
evolution
trend,
driving
factors
nine
coastal
provinces
China.
The
results
are
as
follows:
(1)
measurement
showed
that
a
fluctuating
upward
trend
2019.
nuclear
density
estimation
Dagum
Gini
coefficient
show
there
an
obvious
gap
China,
increasing
with
time.
decomposition
inter-regional
differences
supervariable
were
main
sources
efficiency.
barycentric
elliptic
standard
deviation
gravity
center
shifted
south
indicating
southern
has
had
high
degree
improvement.
(2)
spatial
Markov
chain
proximity
plays
key
role
state
transfer
higher
neighboring
provinces,
greater
effect
improving
province.
usually
occurs
between
similar
horizontal
states,
less
“leapfrog”
transfer.
(3)
geographic
detector
number
professional
mariculture
practitioners
core
factor
leading
explanatory
power
interaction
two
more
than
90%,
which
much
single
factor.
result
multiple
factors.
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Июнь 11, 2024
With
the
proposal
of
dual
carbon
goals,
enhancing
sinks
and
reducing
emissions
has
become
a
critical
issue.
Fisheries,
as
component
agriculture,
possess
attributes
being
“carbon
sink”
(biological
fixation)
source”
(the
from
fishing
vessels).
Therefore,
it
is
necessary
to
assess
sink
emission
levels
fisheries.
The
northern
marine
economic
circle,
which
includes
Liaoning,
Hebei,
Tianjin,
Shandong,
an
important
site
for
fisheries
in
China,
characterized
by
abundant
aquatic
resources.
However,
comprehensive
assessment
budget
this
region
still
unclear.
This
study
calculated
sinks,
emissions,
net
associated
with
2013
2020.
Additionally,
we
used
sensitivity
analysis
scenario
simulation
explore
factors
influencing
emissions.
results
revealed
that
circle
was
deficit
amount
higher
than
sinks)
downward
trend
observed,
indicating
potential
achieving
neutrality.
From
perspective
provinces,
significant
differences
among
provinces
(cities)
were
found
terms
Shandong
having
largest
Furthermore,
production
clams
use
seawater
trawl
have
impact
on
Increasing
while
power
trawling
operations
can
significantly
decrease
Based
these
results,
provides
relevant
suggestions
enhance
capacity
circle.
