Studia Biologica,
Год журнала:
2024,
Номер
18(4), С. 139 - 156
Опубликована: Дек. 1, 2024
Background.
Physiological
characteristics
of
the
biofuel
plant
Miscanthus
×
giganteus
J.
M.
Greef,
Deuter
ex
Hodk.
&
Renvoize
are
currently
attracting
much
attention
due
to
its
phytoremediation
potential.
The
aim
this
work
was
study
content
photosynthetic
pigments
in
leaves
giganteus,
accumulation
metals
rhizosphere
and
aboveground
organs,
as
well
morphological
parameters
plants
cultivated
on
oil-contaminated
soil
exposed
treatment
with
humic
preparations.
Materials
Methods.
During
field
experiments,
five
experimental
plots
(PC
P1–P4)
an
area
1
m2
were
laid
out
podzol
territory
adjacent
Starosambirske
oil
field.
PC
plot
not
subjected
any
treatment.
P1
planted
rhizomes;
soils
P2–P4
contaminated
10
L/m2
crude
then
rhizomes.
Before
planting
rhizomes
P3
P4,
these
soaked
solutions
Fulvital®
Plus
Liquid
Humifield®
Forte,
respectively.
growth
period,
sprayed
twice
Shoot
height
leaf
width,
a-
b-type
chlorophyll
(Chla
Chlb,
respectively),
total
(Chla+b)
carotenoid
concentrations
measured
using
standard
methods.
(Ca,
Cr,
Cu,
Fe,
K,
Mg,
Mn,
Ni,
Pb,
Zn)
samples
assessed
by
X-ray
fluorescence
analysis
Elvax
Light
SDD
Analyzer.
Results.
cultivation
did
affect
shoot
or
width
plants,
but
it
reduced
Chla,
Chla+b
carotenoids
leaves.
Treatment
preparations
led
increase
pigment
at
different
periods.
Oil-contaminated
showed
elevated
levels
Cr
Ni.
treated
resulted
increased
Ca,
Mn
Ni
contents
plot.
Growing
significant
decreases
Zn
stems.
mentioned
stems
concentration
Mg
from
compared
those
untreated
plants.
According
bioaccumulation
factor
(BF)
values,
have
a
high
potential
for
Ca
(BF>1),
medium
K
(BF
0.1
0.32)
low
Fe
(BF<0.1).
BF
values
decreased
when
grown
soil.
Conclusions.
Humic
preparation
has
positive
effect
physiological
ability
extract
may
mediate
plant’s
In
regard,
combination
will
be
promising
lands
petroleum
products.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Июнь 1, 2025
Soils
developed
in
karst
regions
are
widely
reported
to
exhibit
high
geological
backgrounds
of
heavy
metals
(HMs)
globally.
However,
due
unique
conditions,
there
both
mineralized
and/or
altered
areas
polymetallic
minerals
areas,
and
whether
the
HMs
concentrations
regional
soil
affected
by
these
is
far
from
enough
attention
at
present.
This
study
investigated
accumulation
chemical
speciation
soils
typical
lead-zinc
zones
Southwest
China,
using
random
forest
(RF)
modeling
identify
key
driving
factors.
The
results
indicated
significant
variability
concentrations.
Cr,
Ni,
Cu
levels
were
comparable
Guizhou
Province's
background
values,
while
Cd,
Pb,
Zn,
As,
Hg
exceeded
values
0.54
44.98
times.
Notably,
Zn
was
particularly
pronounced,
with
certain
samples
surpassing
risk
control
thresholds
for
agricultural
land.
Sequential
extraction
analysis
revealed
that
Cd
Pb
predominantly
found
reducible
fractions,
(40.61%
36.49%,
respectively),
indicating
strong
bioavailability
potential
mobility.
RF
identified
TFe₂O₃
Al₂O₃
as
factors
Hg,
Ni
Cu,
MnO
distance
mineralization
points
(DL)
significantly
influenced
levels.
highlights
driven
carbonate
rock
parent
materials
exacerbated
mineralization,
offering
a
valuable
insight
management
control.
Meanwhile,
research
can
provide
references
geochemical
mechanisms
(belts)
worldwide.
Microorganisms,
Год журнала:
2024,
Номер
12(11), С. 2112 - 2112
Опубликована: Окт. 22, 2024
The
accumulation
of
heavy
metals
in
the
soil
not
only
causes
serious
damage
to
ecosystem,
but
also
threatens
human
health
through
food
chain.
Exopolysaccharides
have
functions
adsorbing
and
chelating
reducing
their
bioavailability
soil.
In
our
study,
exopolysaccharide-producing
bacteria
with
a
high
efficiency
cadmium
(Cd)
lead
(Pb)
were
screened
from
metal-contaminated
farmland.
Through
pot
experiments,
influence
functional
strains
on
size
distribution,
metal
content,
bacterial
community
structure
aggregates
lettuce
was
studied
using
high-throughput
sequencing
technology.
results
show
that
11
secreting
exopolysaccharides
initially
Among
them,
strain
Z23
had
removal
rate
88.6%
for
Cd
93.2%
Pb.
at
which
removed
by
Z39
92.3%,
Pb
94.4%.
Both
belong
Environmental Pollution and Management,
Год журнала:
2024,
Номер
1, С. 15 - 23
Опубликована: Май 24, 2024
This
investigation
delves
into
the
impact
of
shale
gas
extraction
and
subsequent
land
reclamation
on
soil
characteristics
plant
carbon
sequestration
within
Fuling
District,
specifically
focusing
Jiaoshi
Town.
Through
meticulous
sampling
analysis,
study
evaluates
modifications
in
soil's
physical
chemical
properties
pre-
post-reclamation,
encompassing
pH,
bulk
density,
moisture
content,
nitrogen,
phosphorus
levels,
heavy
metal
concentrations.
Concurrently,
potential
several
reintroduced
local
species
is
assessed.
Findings
indicate
a
slight
alkaline
shift
pH
with
notable
improvements
structure,
reflected
by
decreased
density
enhanced
fostering
better
conditions
for
growth.
An
increase
nitrogen
content
post-reclamation
suggests
fertility,
pivotal
agricultural
productivity.
research
contributes
to
understanding
environmental
restoration
effectiveness
following
industrial
disturbances,
offering
insights
optimizing
practices
ecological
balance
sustainable
management
gas-affected
regions.
Journal of Degraded and Mining Lands Management,
Год журнала:
2024,
Номер
11(4), С. 6143 - 6152
Опубликована: Июль 1, 2024
The
deposition
of
metallic
substances
on
farmland
is
critical
importance
owing
to
its
possible
detrimental
impacts
the
surroundings
and
human
wellness.
Heavy
metals
can
adversely
affect
physicochemical
properties
soil
plant
health.
Prolonged
exposure
heavy
in
humans
lead
both
carcinogenic
non-carcinogenic
effects.
present
research
intended
determine
dispersion
condition
toxic
cropland
assess
attendant
environmental
health
dangers
Wonosobo
Regency.
This
study
used
a
sample
survey
encompassing
312
sampling
sites.
completed
analyses
comprise
geographical
analysis,
index
geo-accumulation
(IG),
contamination
(CI),
Nemerow
comprehensive
(NCCI),
risk
analysis.
findings
reveal
that
cadmium
material
primary
contributor
from
Regency,
as
shown
by
IG
CI
hazards
assessments
suggest
considerable
pollution
levels.
Kids
are
more
prone
illnesses
than
adults
due
their
daily
intake
amount,
so
it
necessary
pay
attention
sources
children
minimize
metals.
Separation Science and Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 10
Опубликована: Сен. 3, 2024
Constructed
wetlands
(CWs)
have
emerged
as
effective
biotechnological
solutions
for
wastewater
treatment
in
recent
decades.
While
plants
are
recognized
components
of
these
systems,
their
specific
role
nutrient
and
heavy
metal
(HM)
uptake
warrants
further
investigation.
This
study
assesses
the
efficacy
a
vertical
flow
constructed
wetland
(VFCW)
unit
planted
with
Phragmites
australis
treating
HM-laden
wastewater.
Through
standard
methods,
samples
from
inlet
outlet
were
analyzed
HMs
(Cd,
Zn,
Pb,
Cu),
alongside
plant
sediment
samples.
Planted
CWs
demonstrated
remarkable
removal
efficiencies:
89.34%
Cd,
76.27%
68.14%
Cu,
66.42%
surpassing
unplanted
systems
(18.27%
to
33.16%
removal).
Notably,
P.
exhibited
strategic
pollutant
absorption,
highest
HM
concentrations
below-ground.
Though
above-ground
accumulation
was
relatively
minor,
it
exceeded
soil
concentrations.
Analysis
factors
confirmed
roots
rhizomes
primary
bio-accumulators,
transfer
factor
values
(Cd
>
Pb
Zn
Cu)
indicating
efficient
uptake.
These
findings
underscore
pivotal
enhancing
within
VFCW
emphasizing
importance
plant-based
strategies
remediation.
Recommendations
include
exploration
plant-assisted
methods
optimize
CWs.
Studia Biologica,
Год журнала:
2024,
Номер
18(4), С. 139 - 156
Опубликована: Дек. 1, 2024
Background.
Physiological
characteristics
of
the
biofuel
plant
Miscanthus
×
giganteus
J.
M.
Greef,
Deuter
ex
Hodk.
&
Renvoize
are
currently
attracting
much
attention
due
to
its
phytoremediation
potential.
The
aim
this
work
was
study
content
photosynthetic
pigments
in
leaves
giganteus,
accumulation
metals
rhizosphere
and
aboveground
organs,
as
well
morphological
parameters
plants
cultivated
on
oil-contaminated
soil
exposed
treatment
with
humic
preparations.
Materials
Methods.
During
field
experiments,
five
experimental
plots
(PC
P1–P4)
an
area
1
m2
were
laid
out
podzol
territory
adjacent
Starosambirske
oil
field.
PC
plot
not
subjected
any
treatment.
P1
planted
rhizomes;
soils
P2–P4
contaminated
10
L/m2
crude
then
rhizomes.
Before
planting
rhizomes
P3
P4,
these
soaked
solutions
Fulvital®
Plus
Liquid
Humifield®
Forte,
respectively.
growth
period,
sprayed
twice
Shoot
height
leaf
width,
a-
b-type
chlorophyll
(Chla
Chlb,
respectively),
total
(Chla+b)
carotenoid
concentrations
measured
using
standard
methods.
(Ca,
Cr,
Cu,
Fe,
K,
Mg,
Mn,
Ni,
Pb,
Zn)
samples
assessed
by
X-ray
fluorescence
analysis
Elvax
Light
SDD
Analyzer.
Results.
cultivation
did
affect
shoot
or
width
plants,
but
it
reduced
Chla,
Chla+b
carotenoids
leaves.
Treatment
preparations
led
increase
pigment
at
different
periods.
Oil-contaminated
showed
elevated
levels
Cr
Ni.
treated
resulted
increased
Ca,
Mn
Ni
contents
plot.
Growing
significant
decreases
Zn
stems.
mentioned
stems
concentration
Mg
from
compared
those
untreated
plants.
According
bioaccumulation
factor
(BF)
values,
have
a
high
potential
for
Ca
(BF>1),
medium
K
(BF
0.1
0.32)
low
Fe
(BF<0.1).
BF
values
decreased
when
grown
soil.
Conclusions.
Humic
preparation
has
positive
effect
physiological
ability
extract
may
mediate
plant’s
In
regard,
combination
will
be
promising
lands
petroleum
products.
