Water,
Journal Year:
2023,
Volume and Issue:
15(22), P. 3871 - 3871
Published: Nov. 7, 2023
The
CPES
(Channel
Payments
for
Ecosystem
Services)
project
developed
PES
schemes
remunerating
farmers
their
activities
in
improving
water
quality
by
reducing
the
emissions
of
nutrients
(both
nitrogen
and
phosphorus)
or
erosion
from
agricultural
activities.
Catchment-wide
approaches
were
tested
six
case
studies,
ecology,
hydrogeology,
agroeconomy,
law,
farming
expertise
was
combined.
Collaborations
established
with
farmers,
associations,
chambers
agriculture,
local
regional
stakeholders.
One
study
concerned
Lac
au
Duc
(Brittany),
a
reservoir
suffering
recurrent
cyanobacterial
blooms.
Curative
actions
to
control
cyanobacteria
had
limited
success.
main
sources
excess
P
entering
lake
origin
but
varied
between
sub-catchments
according
hydrogeological
characteristics
practices.
Long-term
prevention
possibilities
ameliorate
practices
costs
included
permanent
cover
anti-erosive
hedges.
During
project,
PESs
successfully
applied
ground
protection
supply
companies
as
drinking
has
strong
business
preserve
this
ecosystem
service.
For
recreational
multi-purpose
lakes
reservoirs,
it
remains
difficult
find
financing
meet
monetary
requirements
address
farmer’s
transition
land
management.
Harmful Algae,
Journal Year:
2024,
Volume and Issue:
133, P. 102599 - 102599
Published: Feb. 9, 2024
Cyanobacterial
blooms
present
substantial
challenges
to
managers
and
threaten
ecological
public
health.
Although
the
majority
of
cyanobacterial
bloom
research
management
focuses
on
factors
that
control
initiation,
duration,
toxicity,
geographical
extent,
relatively
little
role
loss
processes
in
how
these
are
regulated.
Here,
we
define
a
process
terms
population
dynamics
as
any
removes
cells
from
population,
thereby
decelerating
or
reducing
development
extent
blooms.
We
review
abiotic
(e.g.,
hydraulic
flushing
oxidative
stress/UV
light)
biotic
allelopathic
compounds,
infections,
grazing,
resting
cells/programmed
cell
death)
known
govern
loss.
found
dominant
depend
several
system
specific
including
genera-specific
traits,
situ
physicochemical
conditions,
microbial,
phytoplankton,
consumer
community
composition.
also
address
context
discuss
perspectives
predicting
changing
climate
may
directly
indirectly
affect
A
deeper
understanding
their
underlying
mechanisms
help
mitigate
negative
consequences
improve
current
strategies.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(16), P. 7066 - 7077
Published: April 10, 2024
Reactive
oxygen
species
(ROS)
are
ubiquitous
in
the
natural
environment
and
play
a
pivotal
role
biogeochemical
processes.
However,
spatiotemporal
distribution
production
mechanisms
of
ROS
riparian
soil
remain
unknown.
Herein,
we
performed
uninterrupted
monitoring
to
investigate
variation
at
different
sites
Weihe
River
zone
throughout
year.
Fluorescence
imaging
quantitative
analysis
clearly
showed
soils.
The
concentration
superoxide
(O
Harmful Algae,
Journal Year:
2024,
Volume and Issue:
133, P. 102585 - 102585
Published: Jan. 23, 2024
Cyanobacteria
can
reach
high
densities
in
eutrophic
lakes,
which
may
cause
problems
due
to
their
potential
toxin
production.
Several
methods
are
use
prevent,
control
or
mitigate
harmful
cyanobacterial
blooms.
Treatment
of
blooms
with
low
concentrations
hydrogen
peroxide
(H2O2)
is
a
promising
emergency
method.
However,
effects
H2O2
on
cyanobacteria,
eukaryotic
phytoplankton
and
zooplankton
have
mainly
been
studied
controlled
cultures
mesocosm
experiments,
while
much
less
known
about
the
effectiveness
side
treatments
entire
lake
ecosystems.
In
this
study,
we
report
three
different
lakes
Netherlands
that
were
treated
average
ranging
from
2
5
mg
L−1
suppress
Effects
communities,
cyanotoxin
concentrations,
nutrient
availability
assessed.
After
every
treatment,
cyanobacteria
drastically
declined,
sometimes
by
more
than
99%,
although
Dolichospermum
sp.,
Aphanizomenon
Planktothrix
rubescens
strongly
suppressed
agardhii
bloom.
Eukaryotic
not
significantly
affected
additions
had
an
initial
advantage
over
after
when
ample
nutrients
light
available.
all
new
bloom
developed
within
several
weeks
first
two
second
treatment
was
therefore
applied
again
population.
Rotifers
declined
most
except
concentration
≤
L−1,
whereas
cladocerans
only
mildly
copepods
least
impacted
added
H2O2.
response
treatments,
cyanotoxins
microcystins
anabaenopeptins
released
cells
into
water
column,
but
disappeared
few
days.
We
conclude
be
successful
tool
blooms,
negatively
affect
some
taxa
lakes.
advise
pre-tests
prior
define
optimal
kill
majority
minimize
non-target
organisms.
cases,
discourage
lake.
Water Research,
Journal Year:
2023,
Volume and Issue:
234, P. 119811 - 119811
Published: March 1, 2023
Cyanobacterial
bloom
represent
a
growing
threat
to
global
water
security.
With
fast
proliferation,
they
raise
great
concern
due
potential
health
and
socioeconomic
concerns.
Algaecides
are
commonly
employed
as
mitigative
measure
suppress
manage
cyanobacteria.
However,
recent
research
on
algaecides
has
limited
phycological
focus,
concentrated
predominately
cyanobacteria
chlorophytes.
Without
considering
diversity,
generalizations
crafted
from
these
algaecide
comparisons
present
biased
perpective.
To
limit
the
collateral
impacts
of
interventions
phytoplankton
communities
it
is
critical
understand
differential
sensitivities
for
establishing
optimal
dosage
tolerance
thresholds.
This
attempts
fill
this
knowledge
gap
provide
effective
guidelines
frame
cyanobacterial
management.
We
investigate
effect
two
common
algaecides,
copper
sulfate
(CuSO4)
hydrogen
peroxide
(H2O2),
four
major
divisions
(chlorophytes,
cyanobacteria,
diatoms,
mixotrophs).
All
exhibited
greater
sensitivity
sulfate,
except
Mixotrophs
displayed
highest
both
with
lowest
being
observed
follows:
mixotrophs,
Our
results
suggest
that
H2O2
represents
comparable
alternative
CuSO4
control.
some
eukaryotic
such
mixotrophs
diatoms
mirrored
sensitivity,
challenging
assumption
selective
cyanocide.
findings
optimizing
treatments
while
minimizing
adverse
effects
other
members
unattainable.
An
apparent
trade-off
between
management
conserving
non-targeted
expected
should
be
prime
consideration
lake
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
979, P. 179450 - 179450
Published: April 25, 2025
The
aim
of
this
study
was
to
focus
on
restoration
techniques
that
have
been
extensively
researched
and
found
be
applicable
aquatic
ecosystems
those
are
in
the
conceptual
or
experimental
stage.
A
description
method
is
presented
objectively
factors
may
favour
hinder
achieving
sustainable
improvements
water
quality
detailed.
All
information
tabulated
as
a
compendium
knowledge
not
only
for
scientists,
but
also
managers
lake
users.
On
basis
analysis
review
material,
an
optimisation
methods
involving
implementation
hybrid
systems
proposed.
proposed
solutions
consist
combining
with
nature-based
lakeshore
zone
(e.g.
high-performance
buffer
zones).
This
approach
makes
it
possible
reduce
external
sources
pollution
thus
provides
opportunity
optimise
existing
solutions.
important
from
point
view
environmental
economic/social
effect.
Achieving
high
quality,
improves
health
well-being
society
creates
opportunities
personal
social
development.
Future
requires
proven
engineering
biological
methods,
holistic
encourages
all
sections
become
actively
involved
monitoring
programmes.