Transylvanian Review of Systematical and Ecological Research,
Год журнала:
2024,
Номер
26(2), С. 31 - 56
Опубликована: Авг. 1, 2024
Abstract
Due
to
anthropogenic
activities,
the
water
quality
of
freshwater
bodies
is
rapidly
decreasing.
The
aim
this
study
was
assess
and
phytoplankton
diversity
in
upper
Ravi
River
basin
between
September
2022
August
2023.
Overall,
within
allowable
limits,
but
sampling
zone
3,
there
a
deteriorating
trend
certain
physicochemical
parameters,
including
turbidity,
dissolved
oxygen,
biological
oxygen
demand
during
monsoon
months.
Bacillariophyceae
(11
genera)
most
dominant
group
followed
by
Chlorophyceae
(8
genera).
A
total
23
different
genera
were
observed.
It
can
be
concluded
that
human
such
as
mining
riverbeds,
construction
dams
barrages,
have
direct
impact
on
diversity.
These
activities
need
monitored
regular
basis.
Biological Trace Element Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Abstract
Fish
intake
may
constitute
a
significant
route
by
which
humans
are
exposed
to
metals,
especially
people
who
depend
on
fish
as
source
of
protein
Alexandrians.
Therefore,
this
study
aimed
investigate
the
metal
contents
in
muscles
eight
commonly
consumed
freshwater
(Tilapia,
Catfish,
and
Common
Carp)
marine
species
(Emperors,
Groupers,
Mackerels,
Silver
Pomfret,
Roving
Groupers)
collected
from
local
markets
located
Alexandria
City
for
1-year
calendar
year,
2022.
Seasonal
variations
levels
tested
metals
species,
with
differences
between
were
recorded.
Also,
Cu,
Zn,
Fe,
Co,
Cd
all
during
experiment
did
not
exceed
guideline
limits,
while
Ni,
Cr,
Pb
October–May,
June–September,
February–May
2022,
respectively,
exceeded
permissible
limits
settled
FAO
WHO.
Additionally,
Mackerels
Groupers
had
high-level
Mn
that
European
Commission.
The
accumulation
these
different
relative
variation
accumulation,
Cu
was
most
predominant
element
Tilapia,
Zn
Fe
Carp,
Emperors,
Co
Tilapia.
Consumption
high
Metal
Pollution
Index
(MPI)
value
pose
potential
public
health
risk.
On
meantime,
calculated
values
estimated
daily
intakes
(EDI),
hazard
index
(HI),
target
quotient
(THQ)
indicated
no
risk
Alexandrians
via
consumption
because
they
World
Health
Organization’s
acceptable
intake.
Inorganic Chemistry,
Год журнала:
2024,
Номер
63(35), С. 16264 - 16273
Опубликована: Авг. 19, 2024
Benefiting
from
easy
visualization
and
simultaneous
detection
of
multiple
targets,
fluorescence
microbeads
are
commonly
used
as
fluorescence-sensing
elements
to
detect
pollutants
in
the
environment.
However,
application
microbead-based
sensor
arrays
is
still
limited
because
dyes
always
suffer
self-quenching,
photobleaching,
spectral
overlap.
Herein,
three
kinds
gold
nanoclusters
(Au
NCs)
were
assembled
with
polystyrene
microspheres
(PS
NPs)
by
electrostatic
interaction
prepare
(PS-Au
NCs),
developing
a
array
for
analysis
metal
ions.
In
this
work,
different
PS-Au
NCs
showed
an
enhancing
or
quenching
response
various
ions,
owing
distinct
binding
capacities.
Combined
recognition
algorithm
linear
discriminant
(LDA)
hierarchical
cluster
(HCA),
assay
could
realize
single-component
multicomponent
qualitative
8
heavy
ions
(HMIs)
including
Cu
Toxicology Research,
Год журнала:
2024,
Номер
14(1)
Опубликована: Дек. 31, 2024
Abstract
In
this
developing
era,
increased
anthropogenic
activities
result
in
the
contamination
of
natural
resources.
Different
kinds
pollutants
threaten
water
quality
being
crucial
for
existence
life.
There
are
different
sources
and
routes
through
which
cause
health
consequences.
This
systematic
review
consists
classification
a
particular
focus
on
toxicological
studies
aquatic
life,
soil,
plants
humans
with
comparative
account
conservation
technologies.
study,
various
databases
like
Scopus,
Science
Direct,
Google
Scholar,
Research
Gate
Web
were
used
to
find
most
relevant
recent
literature
till
September
2024.
Studies
selected
based
their
classes
pollutants,
routes,
cumulative
effects
remediation
successfully
managed
classify
found
significant
association
between
exposure
disorders
shown
by
life
human
health.
is
number
evidence
neurological
disorders,
reproductive
endocrine
disruptions.
However,
effect
can
also
be
seen
both
as
well
terrestrial
ecosystems.
Long-term
presents
risks
indicates
degrading
drinking
provides
insight
into
emergence
need
strong
preventive
policies.
It
suggests
necessity
cost-effective
advanced
technologies
availability
safe
water.
World Water Policy,
Год журнала:
2024,
Номер
10(3), С. 891 - 908
Опубликована: Авг. 1, 2024
Abstract
Freshwater
ecosystems
are
intricately
linked
to
the
diversity
and
abundance
of
zooplankton
assemblages,
which
serve
as
vital
indicators
environmental
conditions.
The
aim
present
study
was
investigate
habitat
ecology
in
relation
Ravi
River.
Sampling
conducted
at
selected
sampling
sites
along
River
basin,
encompassing
various
types
gradients.
A
total
13
species
were
observed
during
Copepoda
most
dominant
followed
by
Cladocera.
Cyclops
sp.
(152
ind/L)
Bosmina
(145
genera
throughout
study.
Asplanchana
(44
a
rare
Some
ecological
parameters
like
water
temperature,
dissolved
oxygen,
solids
show
declining
trend
Zone
3.
Turbidity
highest
3
lowest
1,
almost
all
showed
Dissolved
oxygen
shows
significant
positive
correlation
directly
influences
distribution
assemblage
structure.
This
concludes
that
certain
anthropogenic
activities
municipal
dumping,
sand
mining,
altered
flow
have
negatively
impacted
quality
So,
these
should
be
monitored
regularly
controlled
immediately.
Transylvanian Review of Systematical and Ecological Research,
Год журнала:
2024,
Номер
26(2), С. 31 - 56
Опубликована: Авг. 1, 2024
Abstract
Due
to
anthropogenic
activities,
the
water
quality
of
freshwater
bodies
is
rapidly
decreasing.
The
aim
this
study
was
assess
and
phytoplankton
diversity
in
upper
Ravi
River
basin
between
September
2022
August
2023.
Overall,
within
allowable
limits,
but
sampling
zone
3,
there
a
deteriorating
trend
certain
physicochemical
parameters,
including
turbidity,
dissolved
oxygen,
biological
oxygen
demand
during
monsoon
months.
Bacillariophyceae
(11
genera)
most
dominant
group
followed
by
Chlorophyceae
(8
genera).
A
total
23
different
genera
were
observed.
It
can
be
concluded
that
human
such
as
mining
riverbeds,
construction
dams
barrages,
have
direct
impact
on
diversity.
These
activities
need
monitored
regular
basis.
