Diversity,
Journal Year:
2022,
Volume and Issue:
14(6), P. 501 - 501
Published: June 20, 2022
Zooplankton
community
data
from
45
dimictic
lakes,
representing
homogenous
abiotic
conditions,
were
used
to
distinguish
indicator
taxa
of
near-pristine,
reference
lakes
with
low
anthropopression.
Reference
conditions
selected
based
on
natural
land
use
in
the
catchment,
lack
or
human
activity,
and
absence
point
sources
pollution,
as
well
good
water
quality.
According
these
criteria,
six
designated
references
all
represent
mesotrophic
conditions.
had
a
abundance
Cyclopoida
Rotifera,
significantly
lower
biomass
compared
non-reference
lakes.
We
have
found
that
species
characteristic
lake
were:
Bosmina
(Eubosmina)
coregoni,
Ascomorpha
ecaudis,
Collotheca
pelagica,
Gastropus
stylifer.
The
responsible
for
differences
among
Keratella
tecta,
Pompholyx
sulcata,
saltans,
which
are
considered
typical
eutrophic
waters.
Water,
Journal Year:
2023,
Volume and Issue:
15(23), P. 4054 - 4054
Published: Nov. 22, 2023
The
inland
waters
of
Northern
Kazakhstan
are
important
components
the
ecosystems
this
region
and
have
unique
characteristics.
Endorheic
steppe
lakes
with
significant
ecological
value.
They
play
an
role
in
maintaining
biodiversity,
they
provide
water
resources
for
living
organisms,
serve
as
breeding
migration
sites
various
animal
species,
their
zooplankton
communities
a
key
trophic
web
these
waters.
Therefore,
purpose
work
is
to
study
diversity
some
small
northern
part
(Pavlodar,
Kostanay,
North
Kazakhstan,
Akmola
regions),
which
different
environmental
conditions.
Sampling
species
bodies
was
carried
out
from
13
areas,
12
plain
lakes,
1
reservoir,
sampling
performed
2021
2022
during
spring,
summer,
autumn
periods.
Within
research
period
2021–2022,
between
6
36
were
found
lakes.
A
total
92
taxa
found.
Rotifers
(46
taxa)
richest
number
representatives.
Cladocera
represented
by
21
taxa,
Copepods
25
taxa.
All
studied
characterized
high
specificity
terms
taxonomic
composition,
since
similarity
indices
did
not
exceed
0.632.
According
cluster
analysis,
samples
divided
into
five
clusters,
relatively
similar
composition
combined.
halophile
(e.g.,
Arctodiaptomus
salinarus)
indicate
salinization.
Our
results
confirm
applicability
use
assessing
quality
current
state
aquatic
ecosystems.
Water,
Journal Year:
2024,
Volume and Issue:
16(19), P. 2730 - 2730
Published: Sept. 25, 2024
Due
to
its
fundamental
position
in
the
aquatic
food
chain
linking
primary
producers
(phytoplankton)
higher
trophic
levels
(fish),
zooplankton
has
a
crucial
influence
on
structure
and
function
of
lakes.
The
scientific
literature
shows
that
is
an
effective
indicator
eutrophication.
However,
according
requirements
Water
Framework
Directive,
still
not
included
as
one
biological
components
for
assessing
ecological
status
In
Poland,
zooplankton-based
method
(ZIPLAs)
been
developed
assess
deep
stratified
Shallow
lakes
differently
from
lakes,
data
show
response
indices
eutrophication
parameters
much
weaker
than
This
paper
presents
Zooplankton
Index
Lakes’
Assessment
(ZISLA),
new
based
community
structure.
ZISLA
includes
body
size
index
Daphnia
cucullata
(BSI),
percentage
share
high
trophy-indicating
rotifer
species
(IHTROT),
number
(NROT),
Margalef
(D).
strong,
significant
correlation
with
total
phosphorus
nitrogen
(Spearman’s
coefficient
(R
=
−0.77,
R
−0.74;
p
<
0.0001)
slightly
Secchi
disk
visibility
0.72;
0.0001).
statistically
good/moderate
distinction
all
water
quality
parameters.
Sustainability,
Journal Year:
2024,
Volume and Issue:
17(1), P. 171 - 171
Published: Dec. 29, 2024
This
study
examined
the
ecological
status
of
Streževo
Reservoir
in
North
Macedonia,
focusing
on
zooplankton
as
an
indicator
water
quality.
Built
1982,
serves
several
purposes,
including
irrigation,
supply,
and
hydropower
generation.
The
research
project
investigated
seasonal
vertical
variation
abundance
biomass
well
influence
environmental
factors.
Sampling
was
conducted
seasonally
(spring,
summer,
autumn)
2010
2011
across
longitudinal
profile
(epilimnion,
metalimnion,
hypolimnion)
reservoir
at
three
sampling
stations:
inflow
Šemnica
River,
a
central
station
open
water,
site
near
dam.
is
characterized
by
significantly
pronounced
temperature
stratifications.
species
diversity
low,
with
only
21
taxa
identified.
Seasonal
oscillations
were
statistically
significant,
maximum
values
summer
period
minimum
spring.
Shannon
index
displayed
lowest
autumn,
hypolimnion,
highest
metalimnion.
RDA
analysis
showed
that
most
important
predictor
distribution,
followed
Chl
concentration
TN.
According
to
Zooplankton
Index
Quality
Assessment
(Zoo-IQ),
during
had
good
quality
all
studied
seasons,
through
whole
profile.
Overall,
highlights
importance
provides
valuable
insights
into
Reservoir.
novelty
this
lies
its
comprehensive
examination
interconnected
dynamics
affecting
ecology,
particularly
present
first
perform
such
for
It
impacts
thermal
stratification
biochemical
processes,
variations
dissolved
oxygen
phosphorus
levels
due
phytoplankton
activity,
influences
abundance.
Furthermore,
it
introduces
Zoo-IQ
innovative
tool
assessing
analysis,
emphasizing
relevance
early
changes
freshwater
systems.
Moreover,
multi-faceted
approach
underscores
complexity
ecosystems
proactive
management
strategies
mitigation
fluctuations.
underlines
need
continuous
monitoring
address
aging
reservoirs.
Diversity,
Journal Year:
2022,
Volume and Issue:
14(6), P. 501 - 501
Published: June 20, 2022
Zooplankton
community
data
from
45
dimictic
lakes,
representing
homogenous
abiotic
conditions,
were
used
to
distinguish
indicator
taxa
of
near-pristine,
reference
lakes
with
low
anthropopression.
Reference
conditions
selected
based
on
natural
land
use
in
the
catchment,
lack
or
human
activity,
and
absence
point
sources
pollution,
as
well
good
water
quality.
According
these
criteria,
six
designated
references
all
represent
mesotrophic
conditions.
had
a
abundance
Cyclopoida
Rotifera,
significantly
lower
biomass
compared
non-reference
lakes.
We
have
found
that
species
characteristic
lake
were:
Bosmina
(Eubosmina)
coregoni,
Ascomorpha
ecaudis,
Collotheca
pelagica,
Gastropus
stylifer.
The
responsible
for
differences
among
Keratella
tecta,
Pompholyx
sulcata,
saltans,
which
are
considered
typical
eutrophic
waters.
