Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 28, 2025
Abstract
The
present
work
studied
the
sources,
concentrations,
distributions,
and
possible
ecotoxicological
risks
of
trace
metals
(TMs)
in
surface
sediments
Kızılırmak
Yeşilırmak
Rivers,
largest
rivers
Black
Sea
Region
Türkiye,
Mert
Engiz
Rivers
located
between
these
rivers,
to
evaluate
region’s
health
pollution
status.
Average
TM
concentrations
were
measured
mg/kg
ordered
from
smallest
as
Cd
(4.1)
<
Co
(19.9)
Ni
(31.6)
Cu
(34.9)
Pb
(37.8)
Cr
(197.6)
Zn
(213.9)
Al
(24408.8)
Fe
(35920).
Seasonal
changes
observed,
especially
during
dry
season,
Pb,
Zn,
found
increase.
Environmental
risk
assessment
indices
(EF,
CF,
Igeo,
PLI)
indicated
medium
high
contamination
levels
potential
ecological
impacts.
Likewise,
while
TRI
ATI
among
toxicity
showed
toxic
levels,
highest
individual
growth
rate
(IGR)
results
Hyallella
azteca
used
bioavailable
observed
control
sediment
(6.8).
However,
whereas
survival
was
100%
sediment,
it
did
not
fall
below
70%
at
other
sampling
points.
Bioaccumulation
factor
(BAF)
that
Cu,
Cd,
Co,
accumulated
H.
tissues.
Health
no
for
adults
demonstrating
a
slight
children.
Statistical
analyses
(PCC
PCA)
presence
anthropogenic,
lithogenic
sources
effects
industrial
agrogenic
sources.
