Community importance-performance preferences and policy adaptiveness in marine debris management: A case study from the Komodo Subdistrict, Indonesia
Marine Policy,
Год журнала:
2025,
Номер
174, С. 106592 - 106592
Опубликована: Янв. 24, 2025
Язык: Английский
A Long-Term Perspective of Seasonal Shifts in Nutrient Dynamics and Eutrophication in the Romanian Black Sea Coast
Sustainability,
Год журнала:
2025,
Номер
17(3), С. 1090 - 1090
Опубликована: Янв. 29, 2025
This
study
investigates
the
long-term
seasonal
shifts
in
nutrient
dynamics
and
eutrophication
processes
Romanian
Black
Sea
coastal
waters
using
multi-decadal
data
(1960/1976/1980–2023).
The
findings
highlight
significant
interannual
changes,
revealing
a
progressive
rise
seawater
temperature,
declining
oxygen
concentrations,
notable
stoichiometry,
particularly
an
increasing
nitrogen–phosphorus
(N:P)
ratio.
These
changes
are
closely
associated
with
increased
occurrences
of
harmful
algal
blooms
(Noctiluca
scintillans),
emphasizing
complex
relationship
between
warming,
dissolved
cycles,
biological
activity.
Seasonal
patterns
show
that
prolonged
warmer
periods,
especially
during
autumn,
exacerbate
depletion
imbalances,
implications
for
marine
life
food
webs.
underscores
importance
targeted
nitrogen
reduction
strategies,
including
optimized
fertilizer
use,
improved
wastewater
treatment,
establishment
buffer
zones
to
minimize
land-based
inputs.
Regional
cooperation
integrated
management
aligned
Marine
Strategy
Framework
Directive
essential
mitigating
eutrophication.
results
provide
critical
insights
into
impacts
climate
change
on
ecosystems.
research
contributes
global
efforts
under
SDG
13
(Climate
Action),
14
(Life
Below
Water),
3
(Good
Health
Well-being),
addressing
key
challenges
biodiversity,
water
quality,
ecosystem
sustainability.
Язык: Английский
Coastline change and coastal habitat loss: A case study in Trabzon City, Southeast Black Sea, Türkiye
BIO Web of Conferences,
Год журнала:
2025,
Номер
168, С. 05003 - 05003
Опубликована: Янв. 1, 2025
The
Black
Sea
is
the
largest
semi-enclosed
waterbody,
with
anoxic
deep
waters,
and
suffers
from
ecological
degradation
due
to
human
activities,
including
eutrophication,
overfishing,
pollution,
military
conflicts,
land
reclamation.
For
instance,
in
Southeastern
region
of
Turkiye,
rapidly
growing
coastal
cities
strain
narrow
zone.
Land
reclamation
frequently
becoming
a
go-to
solution
for
local
governments
seeking
expansion.
This
study
investigated
impact
intervention
on
coastline
its
associated
habitats
Trabzon
city,
between
1960s
2015.
examined
coastline,
habitat
changes
area
by
comparing
remote
sensing
data
Geographic
Information
Technology
(GIS)
comparison.
Additionally,
bathymetry
were
used
create
3D
model
habitats.
Analysis
this
approximately
20
km
revealed
significant
loss
roughly
305.06
ha
-
over
50-year
period.
encompasses
shallow
water
up
26
m
most
natural
sandy
Ground-truthing
confirmed
that
reclaimed
has
been
converted
various
uses,
roads,
car
parks,
sports,
recreation
facilities.
contributes
policymakers
decision
making
development
practices
region.
Язык: Английский
Baseline Assessment of Black Sea Food Web Integrity Using a Zooplankton-Based Approach Under the Marine Strategy Framework Directive
Journal of Marine Science and Engineering,
Год журнала:
2025,
Номер
13(4), С. 713 - 713
Опубликована: Апрель 2, 2025
This
study
presents
the
first
scientific
evaluation
of
food
web
integrity
in
Black
Sea
under
Marine
Strategy
Framework
Directive
(MSFD)
Descriptor
4
(Food
Webs),
utilizing
zooplankton
indicators
to
assess
environmental
status
during
warm
season
(May
October)
from
2018
2023.
The
research
aims
analyze
trophic
interactions,
biodiversity
patterns,
and
ecological
stability
by
examining
three
key
indicators:
Shannon–Wiener
diversity
index,
Copepoda
biomass,
Mnemiopsis
leidyi
biomass.
findings
reveal
that
index
failed
achieve
Good
Environmental
Status
(GES)
any
four
Reporting
Units
(MRUs),
suggesting
insufficient
community
potential
imbalances.
biomass
met
GES
criteria
only
marine
offshore
waters,
indicating
spatial
variability
copepod
population
across
Sea.
Meanwhile,
M.
remained
within
thresholds
all
MRUs,
its
levels
do
not
currently
threaten
web,
despite
known
invasive
impact.
provides
critical
baseline
data
on
structure
dynamics
Sea,
offering
a
scientifically
grounded
framework
for
future
monitoring
management
strategies.
results
emphasize
need
targeted
conservation
efforts
adaptive
approaches
enhance
health
alignment
with
MSFD
objectives.
Язык: Английский
Long-Term Heavy Metal Bioaccumulation in Sprat (Sprattus sprattus) from the Romanian Black Sea: Ecological and Human Health Risks in the Context of Sustainable Fisheries
Fishes,
Год журнала:
2025,
Номер
10(4), С. 178 - 178
Опубликована: Апрель 15, 2025
This
study
evaluates
the
heavy
metals
concentrations
in
sprat
(Sprattus
sprattus,
Linnaeus,
1758)
from
Romanian
Black
Sea,
assessing
both
ecological
implications
and
human
health
risks
associated
with
consumption.
Using
long-term
data
spanning
1994–2019,
levels
of
copper
(Cu),
cadmium
(Cd),
lead
(Pb),
nickel
(Ni),
chromium
(Cr)
dorsal
muscle
tissues
were
analyzed
to
identify
contamination
trends
episodic
pollution
events.
Although
most
remained
below
regulatory
thresholds,
occasional
exceedances
Cd
Pb
suggest
intermittent
inputs.
Health
assessed
using
dietary
indices
including
estimated
daily
intake
(EDI),
target
hazard
quotient
(THQ),
total
(TTHQ),
carcinogenic
risk
index
(CRI).
Findings
indicate
that,
under
current
exposure
levels,
regular
consumption
poses
minimal
risk.
However,
prolonged
during
peak
periods
may
contribute
cumulative
toxic
effects,
for
ecosystem
stability
food
safety.
Given
persistence
their
interactions
co-occurring
pollutants,
such
as
persistent
organic
pollutants
(POPs)
polycyclic
aromatic
hydrocarbons
(PAHs),
ongoing
monitoring
remains
essential.
supports
development
sustainable
environmental
policies
aimed
at
protecting
marine
biodiversity
consumer
Sea
region.
Язык: Английский
Recent Findings on the Pollution Levels in the Romanian Black Sea Ecosystem: Implications for Achieving Good Environmental Status (GES) Under the Marine Strategy Framework Directive (Directive 2008/56/EC)
Sustainability,
Год журнала:
2024,
Номер
16(22), С. 9785 - 9785
Опубликована: Ноя. 9, 2024
This
study
provides
a
comprehensive
evaluation
of
contamination
levels
in
the
Romanian
Black
Sea
within
framework
Marine
Strategy
Framework
Directive
(MSFD).
Over
course
five
oceanographic
expeditions
between
2020
and
2022,
data
were
gathered
from
70
stations
transitional,
coastal,
shelf,
offshore
waters
Sea.
Analyses
conducted
on
water,
sediment,
biota
samples
for
key
contaminants:
heavy
metals
(HMs),
polycyclic
aromatic
hydrocarbons
(PAHs),
persistent
organic
pollutants
(POPs)
such
as
organochlorinated
pesticides
(OCPs)
polychlorinated
biphenyls
(PCBs).
The
assessment
identified
hotspots
near
riverine
inputs,
urban
runoff,
harbor
activities,
industrial
discharges.
Offshore
also
showed
measurable
pollutant
levels,
likely
diffuse
sources
atmospheric
deposition.
findings
reveal
widespread
HMs,
PAHs,
POPs
across
Sea,
with
concentrations
certain
areas
exceeding
acceptable
environmental
thresholds,
highlighting
ongoing
challenges
regional
pollution
management.
PAHs
prevalent
both
nearshore
regions,
while
OCPs
PCBs
detected
various
matrices,
significant
observed
water
samples.
emphasizes
importance
integrated
assessments
MSFD
framework,
suggesting
that
future
evaluations
should
complement
“one
out-all
out”
(OOAO)
approach
multi-metric
tools,
to
enhance
robustness
status
reporting.
Despite
improvements
some
areas,
remains
critical
challenge,
requiring
strengthened
regulations,
improved
waste
management,
increased
cooperation
mitigate
risks
marine
ecosystems.
provide
valuable
upcoming
national
cycle
(2018–2023)
highlight
need
sustained
monitoring
coordinated
efforts
ensure
long-term
sustainability.
Язык: Английский
Exploring Mesozooplankton Insights by Assessing the Ecological Status of Black Sea Waters Under the Marine Strategy Framework Directive
Oceans,
Год журнала:
2024,
Номер
5(4), С. 923 - 950
Опубликована: Дек. 2, 2024
Mesozooplankton
are
highly
responsive
to
environmental
changes,
making
their
population
dynamics
and
species
composition
important
indicators
of
large-scale
oceanic
conditions.
This
study
investigates
the
mesozooplankton
composition,
emphasizing
biomass
values
across
all
three
marine
reporting
units
in
Romanian
Black
Sea
from
2013
2020,
covering
45
stations
that
represent
transitional,
coastal,
waters
during
warm
season.
It
also
examines
parameters,
such
as
temperature,
salinity,
nutrient
levels
associated
with
eutrophication,
impact
mesozooplankton,
well
status
pelagic
habitat
this
region,
influenced
by
various
hydrological
anthropogenic
factors.
Statistical
analyses,
including
multivariate
methods,
were
employed
investigate
correlations
between
facilitating
ecological
assessments
accordance
Marine
Strategy
Framework
Directive
(MSFD)
Descriptors
1
(Biodiversity)
5
(Eutrophication)
using
bBiomass,
Copepoda
Biomass,
Noctiluca
scintillans
iomass.
The
results
indicated
Biomass
did
not
reach
good
(GES).
However,
indicator
demonstrated
achieved
GES
seasons.
These
findings
underscore
dynamic
nature
habitats
highlight
importance
ongoing
monitoring
inform
policy
conservation
efforts.
Язык: Английский
Validating an In-House Method for Assessing Effluent Discharge Toxicity Using Acartia tonsa in the Black Sea
Applied Sciences,
Год журнала:
2024,
Номер
14(21), С. 9861 - 9861
Опубликована: Окт. 28, 2024
The
marine
copepod
Acartia
tonsa
is
an
important
bioindicator
in
ecotoxicological
studies
due
to
its
sensitivity
pollutants
and
ecological
importance.
This
research
evaluates
the
effects
of
reference
toxicant
on
survival
A.
tonsa,
aiming
validate
in-house
method
that
assesses
reliability
species
for
testing
Black
Sea.
individuals
were
exposed
controlled
laboratory
conditions
varying
3,5-dichlorophenol
(reference
toxicant)
concentrations,
with
their
rates
monitored
over
48
h.
Survival
data
analyzed
determine
lethal
concentration
(LC50),
a
metric
assessing
toxicity.
derived
LC50
values
offer
benchmarks
environmental
impact
different
effluent
discharges
Sea
region.
outcomes
will
contribute
improving
accuracy
consistency
monitoring
risk
assessment
practices
region,
ensuring
variations
toxicity
are
attributable
factors
rather
than
methodological
discrepancies.
Язык: Английский