Heliyon,
Год журнала:
2023,
Номер
9(12), С. e21689 - e21689
Опубликована: Ноя. 23, 2023
BackgroundLagos
lagoon
is
constantly
being
polluted
from
industrial
and
human
activities.
Fishes
Lagos
contribute
significant
percentages
of
fish
consumption
in
the
metropolises.
Therefore,
this
study
evaluated
heavy
metal
concentrations
tissues
four
species
(Sarotherodon
melanotheron,
Chrysichthys
nigrodigitatus,
C.
gariepinus,
Ethmalosa
fimbriata)
lagoons
their
health
implication.
Concentrations
metals
potential
hazard
to
consumers
were
with
reference
Estimated
Daily
Intake
(EDI),
Target
Hazard
Quotient
(THQ)
Cancer
Risk
(CR).ResultsConcentration
was
below
maximum
permissible
limit
fish.
Similarly,
the.
EDI
all
recommended
allowance
whereas,
THQ
estimated
for
less
than
1.
Consumption
arsenic,
nickel,
cadmium
might
however
pose
carcinogenic
risk.ConclusionsAlthough,
measured
concentration
within
limits
consumption,
calculated
risk
values
indicated
that
Arsenic,
nickel
risks
consumers.
biomonitoring
accumulation
fishes
must
be
put
into
consideration
by
regulatory
authority.
Water Environment Research,
Год журнала:
2019,
Номер
91(10), С. 1272 - 1287
Опубликована: Сен. 4, 2019
Abstract
This
paper
presents
the
reviews
of
scientific
papers
published
in
2018
issues
on
effects
anthropogenic
pollution
aquatic
organisms
dwelling
freshwater
ecosystem
at
global
scale.
The
first
part
study
provides
summary
relevant
literature
followed
by
field
and
survey
based
studies.
second
is
categories
different
classes/sources
pollutants
which
affect
organism.
composed
several
sections
including
metals
metalloids,
wastewater
effluents,
sediments,
nutrients,
pharmaceuticals,
polycyclic
aromatic
hydrocarbons,
flame
retardants,
persistent
organic
pollutants,
pharmaceuticals
illicit
drugs,
emerging
contaminants,
pesticides,
herbicides,
endocrine
disruptors.
final
highlights
research
work
new
such
as
microplastics
engineered
nanoparticles
organisms.
Practitioner
points
Heavy
concentrations
should
be
assessed
nano‐scale
environment.
Air
could
have
long‐term
ecosystem.
Future
studies
focus
bioremediations
pollution.
Environmental Sciences Europe,
Год журнала:
2023,
Номер
35(1)
Опубликована: Янв. 13, 2023
Abstract
Background
Chemical
pollution
forms
a
severe
threat
for
human
and
environmental
health.
While
the
risks
European
lowland
water
bodies
are
well
known,
there
is
little
knowledge
on
remote
aquatic
ecosystems
particularly
mountain
lakes,
despite
their
importance
provision
of
freshwater.
Here,
we
critically
review
current
exposure
risk
by
chemical
lakes
present
tiered
approach
how
to
advance
effectively
our
understanding
in
future.
Results
Generally,
pollutant
monitoring
data
currently
incomplete,
with
many
regions
substances
having
been
only
poorly
investigated.
More
reliable
exist
persistent
organic
pollutants
(POPs).
However,
increasing
evidence
that
even
exposed
wide
range
pollutants.
Among
them
potent
pesticides
used
agricultural
biocidal
applications,
such
as
diazinon
permethrin.
The
follows
complex
pattern.
Pollutants
introduced
into
via
atmospheric
deposition
run-off
from
watershed,
but
also
local
sources,
like
tourism
pastoralism.
Our
assessment
recent
biomonitoring
studies
suggest
widespread
chronic
toxic
crustacean
ranges.
If
ranges
pastoralism,
acute
effects
possible.
Thereby,
vulnerability
has
be
expected
high
due
harsh
conditions
at
altitudes,
organism’s
traits,
insular
position
lower
species
richness
altitudes.
Furthermore,
biological
processes
leading
degradation
under
ecological
ecosystems.
Conclusion
sensitivity
investigated,
existing
it
very
likely
do
suffer
pollution-induced
toxicity.
To
verify
this
suggestion
expand
knowledge,
necessary
future
combine
more
holistic
modelling
links
effects.
Only
then
will
possible
obtain
impact
protect
these
fragile
Agro Environ Media - Agriculture and Ennvironmental Science Academy, Haridwar, India eBooks,
Год журнала:
2020,
Номер
unknown, С. 10 - 28
Опубликована: Янв. 1, 2020
Freshwater
is
a
chief
natural
resource
used
for
various
types
of
activities
in
our
daily
life
i.e.
drinking
as
well
different
developmental
purposes.An
increase
pollution
level
leads
to
instability
environment
and
harm
both
the
physical
systems
living
organisms
dwelling
ecosystem.Various
harmful
substances
present
polluted
water
bodies
form
insecticide,
pesticides,
heavy
metals,
mills
waste,
crude
oil
are
frequently
released
into
aquatic
ecosystem.When
large
amount
these
pollutants
any
body,
causes
an
acute
effect
by
rapid
highscale
mortalities
organisms.Minor
levels
pollutant
discharge
result
accumulation
contaminants
body
composition
fish
species.Water
effects
classified
chronic
effects,
which
suppress
immune-response,
reduction
metabolism,
gills,
epithelial
layer
species.Some
diseases
caused
include
fin
rot,
tail
gill
disease,
damage
hepatic
tissues,
also
ulceration.This
chapter
aims
reviews
impacts
on
health
species
their
ecosystem.
