Sustainability,
Journal Year:
2025,
Volume and Issue:
17(3), P. 1090 - 1090
Published: Jan. 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.
