Water,
Год журнала:
2024,
Номер
16(2), С. 257 - 257
Опубликована: Янв. 11, 2024
Spring
algal
blooms
in
mid–high-latitude
lakes
are
facing
serious
challenges
such
as
earlier
outbreaks,
longer
duration,
and
increasing
frequency
under
the
dual
pressure
of
climate
warming
human
activities,
which
threaten
health
freshwater
ecosystems
water
security.
At
present,
freeze-thaw
processes
is
key
to
distinguishing
spring
mid-
high-latitude
from
low-latitude
lakes.
Based
on
visualization
an
analysis
literature
WOS
database
during
2007–2023,
we
clarified
driving
mechanism
process
(freeze-thaw,
freeze-up,
thawing)
bloom
by
describing
evolution
nutrient
migration
transformation,
temperature,
lake
transparency
dissolved
oxygen,
physiological
characteristics
algae
between
shallow
deep
We
found
that
complex
phosphorus
transformation
frozen
period
can
better
explain
spring-algal-bloom
phenomenon
compared
nitrogen.
The
dominant
species
also
undergo
process.
On
this
basis,
response
future
change
has
been
sorted
out.
general
framework
“principles
analysis,
model
construction,
simulation
prediction,
assessment
management”
prevention
strategy
for
dealing
with
have
proposed,
would
like
provide
scientific
support
reference
comprehensive
control
freezing
thawing
processes.
iScience,
Год журнала:
2024,
Номер
27(6), С. 109990 - 109990
Опубликована: Май 15, 2024
The
abnormal
reproduction
of
algae
in
water
worldwide
is
prominent
the
context
human
interference
and
global
climate
change.
This
study
first
thoroughly
analyzed
effects
physical
factors,
such
as
light,
temperature,
hydrodynamics,
operational
strategies,
on
algal
growth
their
mechanisms.
Physical
control
techniques
are
safe
have
great
potential
for
preventing
blooms
absence
chemical
reagents.
focus
was
principles
possible
engineering
applications
shading,
ultrasound,
micro-current,
ultraviolet
(UV)
technologies,
controlling
reproduction.
shading
can
inhibit
or
weaken
photosynthesis
algae,
thereby
inhibiting
growth.
Ultrasound
mainly
affects
physiological
biochemical
activities
cells
by
destroying
cell
walls,
air
cells,
active
enzymes.
Micro-currents
destroy
structure
through
direct
indirect
oxidation,
leading
to
death.
UV
irradiation
damage
DNA,
causing
organisms
be
unable
reproduce
die
directly.
article
comprehensively
summarizes
analyzes
advantages
prevention
technologies
providing
a
scientific
basis
future
research.
In
future,
attempts
will
made
toward
appropriately
utilizing
various
blooms.
establishment
an
intelligent,
comprehensive
system
achieve
environmentally
friendly,
economical,
effective
South-to-North
Water
Diversion
Project
China,
importance
specific
waters.
Molecular Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
ABSTRACT
Climate
change
has
significantly
altered
the
spatiotemporal
distribution
and
phenology
of
marine
organisms,
yet
long‐term
trends
mechanisms
driving
these
changes
remain
insufficiently
understood.
In
this
study,
we
analysed
historical
Noctiluca
scintillans
bloom
data
from
coastal
China
(1933,
1952,
1981–2023),
sea
surface
temperature
(SST)
records
past
40
years,
509
field
samples
using
Single
Molecule
Real‐Time
(SMRT)
sequencing
(2019–2024).
Our
results
indicate
that
SST
is
primary
driver
N.
blooms,
exhibiting
a
nonlinear
unimodal
correlation.
Long‐term
warming
caused
northward
shift
in
locations,
aligning
with
21.9°C–22.7°C
isotherms,
as
reflected
by
increasing
average
latitudes
occurrences.
Over
4
decades,
frequency
duration
have
followed
an
overall
trend,
displaying
approximate
10‐year
cyclical
pattern.
Ocean
also
contributed
to
earlier
initiation,
extended
peak
periods
delayed
termination,
shaping
dynamics
blooms.
SMRT
confirmed
local
populations
persist
year‐round,
serving
latent
seed
sources
can
rapidly
when
environmental
conditions
become
favourable.
These
findings
provide
critical
insights
into
harmful
algal
blooms
context
climate
lay
foundation
for
future
ecological
research.
