Water,
Год журнала:
2022,
Номер
14(19), С. 3191 - 3191
Опубликована: Окт. 10, 2022
The
Yitong
River
Basin
is
the
main
northern
urban
river
basin
in
China,
and
its
ecological
health
has
become
an
important
issue
of
public
interest.
In
2021,
plankton
community
water
quality
parameters
were
monitored
quarterly.
An
evaluation
system
was
established
based
on
Planktonic
Index
Biotic
Integrity
(P–IBI)
to
assess
spatial
temporal
variability
health.
To
verify
feasibility
P–IBI,
assessment
results
compared
with
those
index
(WQI),
factors
affecting
P–IBI
different
seasons
analyzed
using
correlation
analysis
between
metrics
environmental
factors.
Seasonal
comparisons
showed
that
most
sampling
sites
exceeded
“moderate”
level
spring
autumn,
followed
by
winter.
worst
occurred
summer.
Urban
reaches
more
polluted
than
rural
areas.
Regarding
driving
factors,
hydraulic
effects
autumn
significantly
stronger
other
summer
winter,
special
attention
should
be
paid
input
nitrogen
compounds
organic
pollutants.
Trends
WQI
differed
but
site
patterns
consistent
both
indices.
provide
a
theoretical
basis
data
support
for
maintenance
River.
Water Air & Soil Pollution,
Год журнала:
2024,
Номер
235(1)
Опубликована: Янв. 1, 2024
Abstract
Cyanobacteria
harmful
algal
blooms
(cHABs)
are
increasingly
becoming
an
emerging
threat
to
aquatic
life,
ecotourism,
and
certain
real
estate
investments.
Their
spontaneous
yet
sporadic
occurrence
has
made
mitigation
measures
a
cumbersome
task;
moreover,
current
trends
regarding
anthropogenic
activities,
especially
in
agriculture
industry
portend
further
undesirable
events.
Apart
from
the
aesthetic
degeneration
they
create
their
respective
habitats,
equally
capable
of
secreting
toxins,
which
altogether
present
grave
environmental
medical
consequences.
In
this
paper,
we
gave
update
on
factors
that
influence
cHABs,
cyanotoxin
exposure
routes,
public
health
implications,
impacts
fish,
pets,
livestock.
We
discussed
social
economic
impacts,
risk
assessment,
management
problems
for
cHABs
and,
thereafter,
assessed
extant
approaches
including
prevention,
control,
proliferation
cyanobacterial
blooms.
light
this,
suggest
more
intensified
research
should
be
directed
standardization
procedures
analysis.
Also,
provision
standardized
reference
material
quantification
cyanotoxins
is
vital
routine
monitoring
as
well
development
strong
situ
sensors
quantifying
detecting
HABs
cells
toxins
waterbodies
prevent
adverse
cHABs.
investigations
into
natural
environmentally
friendly
approach
cyanobacteria
necessary
appropriate
deployment
artificial
intelligence
required.
Finally,
wish
redirect
focus
authorities
protecting
drinking
water
supply
sources,
products,
food
sources
contamination
implement
proper
treatment
protect
citizens
potential
threat.
Ecological Indicators,
Год журнала:
2022,
Номер
140, С. 109028 - 109028
Опубликована: Июнь 6, 2022
Cyanobacterial
blooms
are
global
threats
to
freshwater
ecosystem
functioning,
human
health,
and
ecoservices.
We
assessed
impacts
of
cyanobacterial
bloom
intensity
on
plankton
functioning
using
eukaryotic
phytoplankton
zooplankton
indicators
associated
key
physicochemical
data
collected
from
four
seasons
two
years
at
24
evenly
distributed
sites
in
Lake
Taihu
that
has
year-around
blooms.
Our
analyses
involved
comparison
site-groups
with
different
intensities
analyzing
all
sampling
together
comparison,
hierarchical
partitioning
analysis,
generalized
additive
mixed
model,
structural
equation
model.
found
abundance
positively
TP
temperature
(negatively
TN:TP),
while
TN.
There
was
an
inverse
relation
trend
between
relative
abundances
cyanobacteria,
but
there
no
clear
absolute
cyanobacteria.
Rotifers
were
most
dominant
when
cyanobacteria
unabundant,
cladocerans
presented
higher
high
abundance.
Phytoplankton
functional
richness
species
negatively
intensity.
resource
use
efficiencies
(RUEs)
rotifers,
RUE
cladocerans.
analytical
approach
integrating
uncovered
how
shifted
altered
biological
conditions
identified
the
mechanism
strength
interactive
linkages
among
indicators.
Although
our
results
may
be
oligotrophic
lakes
or
reservoirs,
findings
provide
new
insights
understanding
dynamics
communities
for
polymictic
eutrophic
lakes,
which
have
broad
application
enhancing
knowledge
this
subject
provides
science
base
managing
lake
water
quality
functioning.
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110774 - 110774
Опубликована: Авг. 10, 2023
Phytoplankton,
zooplankton
and
zoobenthos,
due
to
their
tiny
size
high
reproductive
efficiency,
usually
hold
an
essential
position
in
freshwater
reservoir
biomes.
Understanding
community
traits
symbiosis
mechanism
is
crucial
for
determining
the
nature
of
water
ecological
environment
ecosystem's
evolution.
However,
dynamics
interspecific
environmental
interactions,
as
well
community-building
processes,
are
currently
unclear.
Here,
structure
feature,
construction
mechanism,
associated
response
plankton
zoobenthos
communities
were
studied
a
reservoir.
The
features
phytoplankton,
zooplankton,
varied
significantly
by
season.
Dispersal
limitation
played
important
role
communities,
influence
degree
decreased
order.
Phytoplankton
showed
stronger
distance-decay
similarity
than
while
did
not
exhibit
any
discernible
similarity.
Co-existence
network
displayed
primarily
positive
interactions
between
all
year
round
(92.23%
summer,
86.36%
autumn,
100%
winter
67.35%
spring).
Variation
partitioning
analyses
that
geographical
variables
had
on
distribution
factors.
Mantel
test
revealed
diversity
was
with
temperature,
dissolved
oxygen,
nutrients
N
P.
Temperature
exhibited
highest
explanation
rate
seasonal
variation
phytoplankton
(11.48%,
p
<
0.001)
(16.22%,
0.001),
according
redundancy
analysis.
These
findings
provide
thorough
comprehension
biological
communities'
dynamic
equilibrium
aquatic
systems.
