Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: June 30, 2023
Abstract
Soils
are
usually
the
interface
between
human
activity
and
environmental
components
that
must
be
conserved
protected.
As
a
result
of
rising
industrialization
urbanization,
activities
such
as
exploration
extraction
operations
lead
to
release
heavy
metals
into
environment.
This
study
presents
distribution
six
(As,
Cr,
Cu,
Ni,
Pb
Zn)
in
139
top
soil
samples
collected
around
oil
natural
gas
drilling
sites
at
sampling
density
1
site/12
km
2
.
The
results
indicated
concentration
ranged
from
0.1
16
mg/kg
for
As,
3–707
7–2324
14–234
9–1664
Pb,
60–962
Zn.
contamination
was
estimated
on
basis
Index
geo
accumulation
(I
),
enrichment
factor
(E
f
(C
).
Further,
spatial
pattern
maps
pollution
levels
Zn,
Ni
were
higher
area
relative
other
regions.
Using
exposure
factors
local
population
references
USEPA’s
integrated
database,
potential
ecological
risk
indices
(PERI)
health
assessments
made.
hazard
index
(HI)
values
(in
adults)
children)
exceeded
recommended
limit
HI
=
1,
indicating
non-carcinogenic
risks.
Total
carcinogenic
(TCR)
calculations
revealed
Cr
soils
threshold
value
1.0E
−
04,
significant
due
high
metal
concentrations
area.
These
may
assist
determining
soil’s
present
state
its
effect
strategies
used
during
process
initiate
few
remedial
techniques,
particularly
proper
management
farming
decrease
point
non-point
source
contamination.
Ecotoxicology and Environmental Safety,
Journal Year:
2021,
Volume and Issue:
219, P. 112336 - 112336
Published: May 25, 2021
Heavy
metals
are
widely
distributed
in
the
environment
due
to
natural
processes
and
anthropogenic
human
activities.
Their
migration
into
no
contaminated
areas
contributing
towards
pollution
of
ecosystems
e.g.
soils,
plants,
water
air.
It
is
recognized
that
heavy
their
toxicity,
long
persistence
nature
can
accumulate
trophic
chain
cause
organism
dysfunction.
Although
popularity
herbal
medicine
rapidly
increasing
all
over
world
metal
toxicity
has
a
great
impact
importance
on
plants
consequently
affects
quality
raw
materials,
extracts,
safety
marketability
drugs.
Effective
control
content
using
pharmaceutical
food
industries
become
indispensable.
Therefore,
this
review
describes
various
important
factors
such
as
ecological
environmental
pollution,
cultivation
harvest
manufacturing
which
effects
then
Chinese
medicines
influence
health.
This
also
proposes
possible
management
strategies
recover
sustainability
medication
safety.
About
276
published
studies
(1988–2021)
reviewed
paper.
Discover Environment,
Journal Year:
2024,
Volume and Issue:
2(1)
Published: Feb. 27, 2024
Abstract
The
presence
of
heavy
metals
in
agricultural
soils
has
become
a
critical
concern
the
face
increased
environmental
scrutiny,
highlighting
relationship
between
human
and
natural
impacts
on
our
land.
This
study
focused
examining
metal
contamination
levels
including
Copper
(Cu),
Chromium
(Cr),
Cobalt
(Co),
Lead
(Pb),
Iron
(Fe),
Zinc
(Zn),
Nickel
(Ni)
Manganese
(Mn)
conducting
an
ecological
risk
assessment
Morigaon
district's
paddy
fields,
which
are
characterized
by
disturbed
soils.
Undisturbed
playground
district
were
taken
as
control.
Based
averages
all
locations
corresponding
factor
(Cf)
for
field,
it
was
found
that
soil's
Cr
(0.56
to
0.84),
Fe
(0.11
0.13),
Mn
(0.38
0.78),
Zn
(0.35
0.65)
is
low,
with
Cf
<
1
seasons.
Observed
Cu,
Ni,
Pb
showed
moderate
throughout
seasons,
factors
ranging
from
3.
Meanwhile,
Co
exhibited
greater
amount
soil,
3
6,
indicating
significant
contamination.
Higher
degree
(CD)
sampling
sites
(10.71
14.72)
might
have
been
due
contamination,
especially
Co,
Ni
Pb.
soil
comparatively
lesser
because
absence
physical
or
chemical
disturbances.
In
particular,
contents
undisturbed
excessively
higher
than
worldwide
average.
Significant
variations
global
particularly
noted
Conversely,
Cr,
Mn,
demonstrated
minimal
when
compared
these
averages.
Additionally,
metrics
such
Enrichment
Factors
(EF),
Potential
Ecological
Risk
Index
(PERI)
(Er)
elevated
relative
their
counterparts.
findings
indicated
anthropogenic
activities
significantly
negatively
influenced
field's
quality
agriculture.
