Scientific Data,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: Dec. 20, 2024
Abstract
Aquatic
vegetation
species
are
declining
gradually,
posing
a
threat
to
the
stability
of
aquatic
ecosystems.
The
decline
can
be
controlled
with
proper
monitoring
and
mapping
for
effective
conservation
management.
Unmanned
Ariel
Vehicle
(UAV)
aka
Drone
deployed
comprehensively
capture
large
area
water
bodies
monitoring.
This
study
developed
AqUavplant
dataset
consisting
197
high
resolution
(3840px
×
2160px,
4K)
images
31
plant
collected
from
nine
different
sites
in
Bangladesh.
DJI
Mavic
3
Pro
triple-camera
professional
drone
is
used
ground
sampling
distance
(GSD)
value
0.04-0.05
cm/px
optimal
image
collection
without
losing
detail.
complemented
binary
multiclass
semantic
segmentation
mask
facilitate
ML
based
model
development
automatic
mapping.
detect
diversity
indigenous
invasive
species,
monitor
growth
diseases,
measure
ratio
preserve
biodiversity,
prevent
extinction.
Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(17), P. 11991 - 12002
Published: Aug. 13, 2022
A
widespread
increase
in
intense
phytoplankton
blooms
has
been
noted
lakes
worldwide
since
the
1980s,
with
summertime
peak
intensity
amplifying
most
lakes.
Such
cause
annual
economic
losses
of
multibillion
USD
and
present
a
major
challenge,
affecting
11
out
17
United
Nations
Sustainable
Development
Goals.
Here,
we
evaluate
recent
scientific
evidence
for
hormetic
effects
emerging
contaminants
regulated
pollutants
on
Microcystis
sp.,
notorious
cyanobacteria
forming
harmful
algal
releasing
phycotoxins
eutrophic
freshwater
systems.
This
new
leads
to
conclusion
that
pollution
is
linked
bloom
intensification.
Concentrations
are
considerably
smaller
than
threshold
toxicity
enhance
formation
colonies,
production
their
release
into
environment,
lower
efficacy
algaecides
control
blooms.
The
low-dose
enhancement
microcystins
attributed
up-regulation
protein
controlling
microcystin
(McyH)
various
synthetases
tandem
global
nitrogen
regulator
Ycf28,
nonribosomal
peptide
synthetases,
several
ATP-binding
cassette
transport
proteins.
Given
colony
phycotoxin
enhanced
by
contaminant
concentrations
toxicological
widely
occurring
effect
more
prevalent
previously
thought.
Climate
change
nutrient
enrichment,
known
mechanisms
underpinning
blooms,
thus
joined
low-level
as
another
causal
mechanism.
Toxins,
Journal Year:
2023,
Volume and Issue:
15(9), P. 582 - 582
Published: Sept. 20, 2023
Blue-green
algae,
or
cyanobacteria,
may
be
prevalent
in
our
rivers
and
tap
water.
These
minuscule
bacteria
can
grow
swiftly
form
blooms
warm,
nutrient-rich
Toxins
produced
by
cyanobacteria
pollute
streams
harm
the
liver
nervous
system
humans.
This
review
highlights
properties
of
25
toxin
types
12
different
genera.
The
also
covered
strategies
for
reducing
controlling
issues.
include
using
physical
chemical
treatments,
cutting
back
on
fertilizer
input,
algal
lawn
scrubbers,
antagonistic
microorganisms
biocontrol.
Micro-,
nano-
ultrafiltration
techniques
could
used
removal
internal
extracellular
cyanotoxins,
addition
to
powdered
granular
activated
carbon,
ozonation,
sedimentation,
ultraviolet
radiation,
potassium
permanganate,
free
chlorine,
pre-treatment
oxidation
techniques.
efficiency
treatment
removing
intracellular
cyanotoxins
is
demonstrated.
approaches
aim
lessen
risks
cyanobacterial
associated
toxins.
Effective
management
water
systems
depends
early
detection
quick
action.
Cyanobacteria
cells
their
toxins
detected
microscopy,
molecular
methods,
chromatography,
spectroscopy.
Understanding
causes
many
ways
elimination
will
help
this
crucial
environmental
issue.
Water,
Journal Year:
2025,
Volume and Issue:
17(1), P. 86 - 86
Published: Jan. 1, 2025
Increasingly
frequent
weather
extremes
induce
changes
in
the
quantity
and
quality
of
surface
waters,
complicating
their
use
resource
management.
These
challenges
are
particularly
relevant
to
dam
reservoirs,
designed
provide
high-quality
water
for
various
recipients.
The
impact
extreme
drought
on
lowland
eutrophic
reservoir–river
systems
remains
poorly
understood.
Our
research
showed
that
effects
droughts,
resulting
a
decrease
level
reservoir
its
outflow,
more
severe
than
those
floods.
During
pressure
increases
because
large
load
cyanobacteria
released
from
reservoir,
conditions
low
river
discharge,
is
not
diluted.
unlike
during
increase
total
biomass
potamoplankton
and,
especially,
responsible
production
toxic
microcystins
was
positively
correlated
with
outflow.
Additionally,
shift
dominant
species
observed,
Planktothrix
agardhii
Microcystis
spp.,
leading
oligopeptide
profile,
including
microcystins.
Progress in Environmental Geography,
Journal Year:
2025,
Volume and Issue:
4(1), P. 131 - 150
Published: March 1, 2025
Cyanobacterial
harmful
algal
blooms
(CyanoHABs)
pose
significant
threats
to
aquatic
ecosystems,
public
health,
and
economic
sustainability
worldwide.
This
progress
report
explores
recent
advancements
in
CyanoHAB
detection,
quantification,
monitoring
using
multi-sensor
remote
sensing
approaches,
artificial
intelligence
(AI)
applications,
their
integration
with
health
impact
studies.
We
presented
the
capabilities
of
various
satellite
sensors
CyanoHABs
across
different
spatial
temporal
scales,
discussing
multiple
data
sources
overcome
individual
sensor
limitations.
The
highlights
promise
AI,
particularly
machine
learning
(ML)
techniques,
improving
detection
forecasting,
demonstrating
how
ML
methods
consistently
outperformed
traditional
algorithms
estimating
phycocyanin
concentrations,
a
key
indicator
CyanoHABs.We
examined
development
cloud-based
applications
for
real-time
awareness.
Furthermore,
we
explored
impacts
on
humans
animals,
emphasizing
role
mitigating
these
effects.
implications
CyanoHAB-related
issues
are
discussed,
along
potential
integrating
epidemiological
Overall,
this
underscores
importance
cross-disciplinary,
integrated
approaches
that
combine
cutting-edge
technologies,
advanced
assessments
address
complex
challenges
posed
by
inland
waters.
Water,
Journal Year:
2023,
Volume and Issue:
15(15), P. 2808 - 2808
Published: Aug. 3, 2023
Cyanobacteria
are
the
most
common
toxigenic
algae
in
inland
waters.
Their
toxins
can
affect
health
of
aquatic
and
terrestrial
organisms,
including
humans.
Other
algal
groups,
such
as
haptophytes
(e.g.,
Prymnesium
parvum)
euglenoids
Euglena
sanguinea),
also
form
harmful
blooms
(HABs)
whose
cause
injury
to
biota
but
currently
have
no
known
effects
on
human
health.
parvum,
however,
is
responsible
for
some
worst
HAB-related
ecological
disasters
recorded
Here,
we
provide
an
overview
primary
found
U.S.
waters:
cyanobacteria
(planktonic
forms),
P.
E.
sanguinea
with
objective
describing
their
similarities
differences
areas
HAB
ecology,
toxins,
potential
future
range
expansion
HABs.
A
detailed
account
bloom
habitats
associations
land
cover
use
provided
from
perspective
water
quality.
This
review
revealed
that
salinity
may
influence
cyanobacterial
cyanotoxins
had
not
been
fully
recognized
previously.
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(13), P. 7021 - 7032
Published: March 19, 2024
Lakes
and
reservoirs
worldwide
are
experiencing
a
growing
problem
with
harmful
cyanobacterial
blooms
(HCBs),
which
have
significant
implications
for
ecosystem
health
water
quality.
Algaecide
is
an
effective
way
to
control
HCBs
effectively.
In
this
study,
we
applied
active
substructure
splicing
strategy
rapid
discovery
of
algicides.
Through
strategy,
first
optimized
the
structure
lead
compound
S5,
designed
synthesized
three
series
thioacetamide
derivatives
(series
A,
B,
C),
then
evaluated
their
algicidal
activities.
Finally,
A3
excellent
performance
was
found,
accelerated
process
discovering
developing
new
The
biological
activity
assay
data
showed
that
had
inhibitory
effect
on
M.
aeruginosa.
FACHB905
(EC50
=
0.46
μM)
Synechocystis
sp.
PCC6803
0.95
μM),
better
than
commercial
algicide
prometryn
(M.
FACHB905,
EC50
6.52
μM;
PCC6803,
4.64
as
well
S5
8.80
7.70
μM).
relationship
between
surface
electrostatic
potential,
chemical
reactivity,
global
electrophilicity
compounds
activities
discussed
by
density
functional
theory
(DFT).
Physiological
biochemical
studies
shown
might
affect
photosynthesis
pathway
antioxidant
system
in
cyanobacteria,
resulting
morphological
changes
cells.
Our
work
demonstrated
be
promising
candidate
development
novel
algicides
provided
skeleton
subsequent
