Marine and Coastal Fisheries,
Год журнала:
2024,
Номер
16(6)
Опубликована: Дек. 1, 2024
Abstract
Objective
This
study
examines
the
determinants
of
green
total
factor
productivity
in
marine
fisheries,
considering
role
Sustainable
Development
Goal
14
(SDG
14)
promoting
sustainable
resource
utilization
and
conservation.
Methods
employs
panel
data
from
57
countries
between
2001
2021
to
estimate
efficiency
scores
through
directional
distance
function
Malmquist–Luenberger
model
by
incorporating
inputs
(labor,
fishing
vessels,
energy
consumption)
outputs
(gross
ocean
product
carbon
dioxide
emissions).
A
truncated
regression
analysis
is
conducted
explore
relationship
SDG
(GTFP)
while
controlling
for
financial
resources
macroeconomic
indicators.
Result
The
findings
indicate
that
significantly
enhances
both
constant
returns
scale
(CRS)
technical
variable
(VRS)
pure
efficiency,
underscoring
importance
conservation
management.
Additionally,
(like
lending
government
investment),
research
innovation
development,
number
researchers,
foreign
funds),
factors
gross
product,
domestic
inflation)
positively
influence
productivity.
Conclusion
results
underscore
practices
enhancing
GTFP
fisheries.
Integrated
policies
focusing
on
investment,
innovation,
stability
are
essential
achieve
greater
sustainability
this
sector.
Journal of Marine Science and Engineering,
Год журнала:
2024,
Номер
12(12), С. 2272 - 2272
Опубликована: Дек. 11, 2024
In
order
to
study
the
impact
of
artificial
reef
construction
on
marine
carbon
sinks,
a
one-year
monitoring
and
analysis
were
carried
out
in
Sanheng
areas
Shengsi
Island.
The
main
parameters
observed
sea
surface
temperature,
salinity,
pH,
total
alkalinity
(TA),
dissolved
inorganic
(DIC).
partial
pressure
CO2
(pCO2w)
water
flux
(FCO2)
across
sea–air
interface
calculated
analyzed.
results
showed
that
annual
range
pCO2w
was
34.48~501.53
μatm,
decreases
following
order:
winter,
spring,
autumn,
summer.
FCO2
significantly
negatively
correlated
with
temperature
positively
salinity
TA.
four
seasons
survey
area
ranged
from
−108.79
41.74
mmol
m−2
d−1.
both
control
displayed
positive
values,
indicating
source
CO2,
while
other
three
seasons,
values
negative,
an
overall
sink.
Additionally,
exhibited
stronger
sink
than
area.
indicated
reefs
has
certain
effect,
no
significant
difference
effectiveness
between
different
models.
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.
International Journal of Green Energy,
Год журнала:
2024,
Номер
unknown, С. 1 - 19
Опубликована: Окт. 22, 2024
Although
the
low-carbon
transition
has
enormous
potential
for
improving
economic
and
environmental
benefits,
it
may
also
lead
to
social
equity
issues,
trapping
certain
regions
in
a
dilemma.
Based
on
panel
data
from
Yangtze
River
Economic
Belt
period
2007–2019,
this
study
empirically
analyzes
impact
of
carbon
decoupling
energy
equity,
employing
emission
trading
policy
natural
wetlands
as
joint
instrumental
variables.
The
findings
reveal
that:
(1)
2007
2019,
average
level
was
recorded
at
0.415,
maintaining
weak
state
overall
nearly
forming
an
"inverted
V"
shape;
(2)
variable
regression
results,
every
1%
increase
decoupling,
decreased
by
0.095%
(p
<
.01);
(3)
burden
played
partial
mediating
role
between
with
mediation
effect
value
being
−0.007
.05);
(4)
green
consumption
marketization
can
variably
mitigate
adverse
effects
decoupling.
Examining
sustainability
economic-environmental
system
perspective
contributes
shaping
economy
that
maintains
justice
sustainability,
thereby
avoiding
falling
into
trap.
Marine and Coastal Fisheries,
Год журнала:
2024,
Номер
16(6)
Опубликована: Дек. 1, 2024
Abstract
Objective
This
study
examines
the
determinants
of
green
total
factor
productivity
in
marine
fisheries,
considering
role
Sustainable
Development
Goal
14
(SDG
14)
promoting
sustainable
resource
utilization
and
conservation.
Methods
employs
panel
data
from
57
countries
between
2001
2021
to
estimate
efficiency
scores
through
directional
distance
function
Malmquist–Luenberger
model
by
incorporating
inputs
(labor,
fishing
vessels,
energy
consumption)
outputs
(gross
ocean
product
carbon
dioxide
emissions).
A
truncated
regression
analysis
is
conducted
explore
relationship
SDG
(GTFP)
while
controlling
for
financial
resources
macroeconomic
indicators.
Result
The
findings
indicate
that
significantly
enhances
both
constant
returns
scale
(CRS)
technical
variable
(VRS)
pure
efficiency,
underscoring
importance
conservation
management.
Additionally,
(like
lending
government
investment),
research
innovation
development,
number
researchers,
foreign
funds),
factors
gross
product,
domestic
inflation)
positively
influence
productivity.
Conclusion
results
underscore
practices
enhancing
GTFP
fisheries.
Integrated
policies
focusing
on
investment,
innovation,
stability
are
essential
achieve
greater
sustainability
this
sector.
