The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
896, P. 165306 - 165306
Published: July 5, 2023
Blooms
of
blue-green
algae
(BGA)
threaten
drinking
water
safety
and
ecosystems
worldwide.
Understanding
mechanisms
driving
factors
that
promote
BGA
proliferation
is
crucial
for
effective
freshwater
management.
This
study
tested
the
response
growth
to
environmental
variations
driven
by
nutrients
(N
P),
N:P
ratios,
flow
regime
depending
on
influence
Asian
monsoon
intensity
identified
critical
regulatory
in
a
temperate
drinking-water
reservoir,
using
weekly
interval
samplings
collected
during
2017-2022.
The
hydrodynamic
underwater
light
conditions
experienced
significant
changes
summers
due
high
inflows
outflows
associated
with
intense
rainfalls,
these
strongly
influenced
total
phytoplankton
biomass
(as
estimated
chlorophyll-a
[CHL-a])
summer
monsoons.
However,
resulted
post-monsoon
blooms
BGA.
monsoon-induced
phosphorus
enrichment,
facilitated
through
soil
washing
runoff,
was
promoting
early
(September).
Thus,
monomodal
peak
evident
system,
compared
bimodal
peaks
North
American
European
lakes.
Strong
column
stability
weak
years
depressed
BGA,
suggesting
importance
monsoon.
low
ratios
longer
residence
time
increased
abundance.
predictive
model
abundance
accounted
largely
(Mallows'
Cp
=
0.39,
adjusted
R2
0.55,
p
<
0.001)
dissolved
phosphorus,
CHL-a,
inflow
volume.
Overall,
this
suggests
key
triggering
factor
regulating
interannual
nutrient
availability.
Global Change Biology,
Journal Year:
2019,
Volume and Issue:
26(2), P. 343 - 354
Published: Dec. 24, 2019
Abstract
Extreme
heat
wave
events
are
now
causing
ecosystem
degradation
across
marine
ecosystems.
The
consequences
of
this
heat‐induced
damage
range
from
the
rapid
loss
habitat‐forming
organisms,
through
to
a
reduction
in
services
that
ecosystems
support,
and
ultimately
impacts
on
human
health
society.
How
we
tackle
sudden
emergence
ecosystem‐wide
has
not
yet
been
addressed
context
waves.
An
examination
recent
waves
around
Australia
points
potential
important
role
respite
or
refuge
environmental
extremes
can
play
enabling
organismal
survival.
However,
most
ecological
interventions
being
devised
with
target
mid
late‐century
implementation,
at
which
time
many
ecosystems,
targeted
towards,
will
have
already
undergone
repeated
widespread
induced
degradation.
Here,
our
assessment
merits
proposed
interventions,
spectrum
approaches,
counter
extremes,
reveals
lack
preparedness
effects
extreme
conditions
influence
these
projected
continue
impact
coming
years,
long
before
be
developed.
Our
approaches
technologically
ready
likely
socially
acceptable
locally
deployable
only,
whereas
those
scalable—for
example
features
as
large
major
reef
systems—are
close
testable,
unlikely
obtain
social
licence
for
deployment.
Knowledge
timescales
survival
via
refuge,
inferred
field
observations
help
test
such
intervention
tools.
growing
frequency
increases
urgency
consider
mitigation
tools
support
immediate
future,
while
global
climate
and/or
formulated.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
896, P. 165306 - 165306
Published: July 5, 2023
Blooms
of
blue-green
algae
(BGA)
threaten
drinking
water
safety
and
ecosystems
worldwide.
Understanding
mechanisms
driving
factors
that
promote
BGA
proliferation
is
crucial
for
effective
freshwater
management.
This
study
tested
the
response
growth
to
environmental
variations
driven
by
nutrients
(N
P),
N:P
ratios,
flow
regime
depending
on
influence
Asian
monsoon
intensity
identified
critical
regulatory
in
a
temperate
drinking-water
reservoir,
using
weekly
interval
samplings
collected
during
2017-2022.
The
hydrodynamic
underwater
light
conditions
experienced
significant
changes
summers
due
high
inflows
outflows
associated
with
intense
rainfalls,
these
strongly
influenced
total
phytoplankton
biomass
(as
estimated
chlorophyll-a
[CHL-a])
summer
monsoons.
However,
resulted
post-monsoon
blooms
BGA.
monsoon-induced
phosphorus
enrichment,
facilitated
through
soil
washing
runoff,
was
promoting
early
(September).
Thus,
monomodal
peak
evident
system,
compared
bimodal
peaks
North
American
European
lakes.
Strong
column
stability
weak
years
depressed
BGA,
suggesting
importance
monsoon.
low
ratios
longer
residence
time
increased
abundance.
predictive
model
abundance
accounted
largely
(Mallows'
Cp
=
0.39,
adjusted
R2
0.55,
p
<
0.001)
dissolved
phosphorus,
CHL-a,
inflow
volume.
Overall,
this
suggests
key
triggering
factor
regulating
interannual
nutrient
availability.
