Abstract.
Coastal
acidification,
warming,
and
nutrient
management
actions
all
alter
water
quality
conditions
that
marine
species
experience,
with
potential
impacts
to
their
physiological
processes.
Decreases
in
calcite
saturation
state
(ΩCa)
food
availability,
combined
warming
temperatures,
pose
a
threat
calcifying
organisms;
however,
the
magnitude
of
future
changes
estuarine
systems
is
challenging
predict
not
well
known.
This
study
aims
determine
how
where
oysters
will
be
affected
by
reductions,
relative
effects
these
stressors.
To
address
goals,
an
oyster
bioenergetics
model
for
Eastern
(Crassostrea
virginica)
was
embedded
3-D
coupled
hydrodynamic-biogeochemistry
implemented
two
tributaries
lower
Chesapeake
Bay.
Model
simulations
were
forced
projected
(mid-21st
century
atmospheric
CO2,
temperature,
managed
reductions)
compared
realistic
present-day
reference
run.
Together,
three
stressors
are
reduce
ΩCa
growth
shell
tissue.
Increased
CO2
temperature
both
cause
widespread
reductions
ΩCa.
The
resulting
tissue
most
severe
along
tributary
shoals.
Future
during
peak
growing
seasons
have
strongest
negative
influence
on
growth,
due
summer
temperatures
reducing
filtration
rates,
enhancing
dissolution
respiration
increasing
organic
matter
remineralization
thus
availability.
Nutrient
exacerbate
deficits
contributing
further
growth.
Quantifying
provides
insight
areas
bay
vulnerable
mid
21st-century
conditions.
Marine Pollution Bulletin,
Год журнала:
2024,
Номер
203, С. 116470 - 116470
Опубликована: Май 9, 2024
We
investigated
the
health
conditions
of
Mediterranean
mussel
Mytilus
galloprovincialis
recruited
in
CO2
vents
system
Castello
Aragonese
at
Ischia
Island
(Mediterranean
Sea).
Individuals
M.
were
sampled
three
sites
along
pH
gradient
(8.10,
7.7
and
up
to
<7.4).
Untargeted
metabolomics
biochemical
endpoints
related
energetic
metabolism,
oxidative
stress/damage,
neurotoxicity
immune
defense
analyzed.
Corrosion
valves
occurred
low
pH.
A
separation
metabolome
was
observed
gradient.
Metabolites
belonging
amino
acids,
nucleosides,
lipids
organic
osmolytes
significantly
reduced
organisms
from
most
acidified
sites.
The
content
reactive
oxygen
species
activity
glutathione
peroxidase
compared
ambient
pH,
no
damage
induced.
Overall
results
suggested
presence
an
energy
cost
underpinning
long-term
survival
for
this
species.
Frontiers in Marine Science,
Год журнала:
2025,
Номер
12
Опубликована: Июнь 2, 2025
Soft-sediment
habitats
are
crucial
for
marine
coastal
ecosystems,
supporting
diverse
biodiversity
both
above
and
below
the
sediment.
Ocean
acidification,
driven
by
rising
CO
2
nutrient
influx,
enhances
heterotrophic
metabolism,
raising
levels
lowering
pH.
These
alterations
complicate
dynamics
of
tidal
flat,
emphasizing
need
further
research
into
their
impact
on
biodiversity.
Within
these
deposit-
suspension-feeding
bivalves
play
roles.
Tagelus
dombeii
,
a
bivalve
mollusc
found
in
soft
sediments,
exhibits
burrowing
behavior
linked
to
food
supply
is
significant
commercial
value
southern
Chile.
This
study
assessed
response
capacity
T.
key
stressors
associated
with
global
ocean
change,
such
as
acidification
availability.
Our
results
revealed
differences
pH
between
water
column
pore
from
sediment
experimental
mesocosms.
was
affected
availability
terms
its
morphological
traits
(i.e.
length,
width,
height
growth
rate),
while
oxygen
consumption
influenced
only
interaction
supply.
Notably,
heart
rate
remained
constant
but
increased
when
low.
suggests
that
partial
tolerance
variations
seawater
carbonate
chemistry,
possibly
due
natural
exposure
acidic
water,
it
sensitive
plastic
physiological
responses
suggest
may
be
less
vulnerable
future
change
scenarios,
demonstrating
potential
resilience
ecological
success
habitat.
Discover Sustainability,
Год журнала:
2024,
Номер
5(1)
Опубликована: Сен. 17, 2024
Abstract
Climate
change
presents
a
substantial
global
threat
to
human
health
and
wellbeing.
Planetary
health,
an
emerging
field,
provides
comprehensive
framework
comprehend
the
intricate
interplay
between
ecological
stability,
ecosystems,
particularly
within
context
of
climate
change.
This
study
investigates
planetary
perspective
on
by
exploring
knowledge.
The
Scopus
database
is
used
as
source
data.
analysis
encompassed
performance
evaluation
aimed
at
scrutinizing
both
quantitative
qualitative
indicators.
Visualization
techniques
utilizing
VOSviewer
software
were
deployed
analyze
collaboration
patterns,
co-citation
links
among
prominent
knowledge-sharing
platforms,
key
topics
derived
from
keyword
co-occurrence
matrices.
Additionally,
using
SciMAT
software,
conducted
thematic
evolution
intellectual
analyses
identify
driving
themes,
while
also
examining
coherence
different
themes
across
various
periods.
explores
policy
implications,
relevance
COVID-19
in
Through
this
analysis,
261
relevant
publications
are
identified,
with
United
States
being
leading
contributor
(90
documents;
34.5%
publications).
At
institutional
level,
Australian
National
University
secured
top
position,
representing
4.6%
total
12
documents.
Lancet
Health
journal
was
most
prolific
source,
contributing
15
documents
(5.7%).
In
terms
impact,
held
central
position
cited
source.
primary
funding
organization
Wellcome
Trust,
based
Kingdom.
Motor
shaping
future
field
include
vector-borne
diseases,
demographics,
informal
settlements,
air
pollution,
carbon
footprint
animal-based
foods,
pro-environmental
attitudes
behaviors.
underscores
significance
leveraging
momentum
surrounding
infectious
diseases
like
impacts
advance
concepts.
Integration
social
sciences
enhanced
multidisciplinary
cooperation
crucial
for
progress.
increased
developing
countries,
legislative
empowerment
essential
foster
further
research.