Bio-availability of potential trace elements in urban dust, soil, and plants in arid northwest China
International Journal of Phytoremediation,
Год журнала:
2024,
Номер
26(12), С. 1981 - 1995
Опубликована: Июль 9, 2024
Potential
trace
elements
pollution
in
cities
poses
a
threat
to
the
environment
and
human
health.
Bio-availability
affects
toxicity
levels
of
potential
elementss
on
organisms.
This
study
focused
exploring
relationship
between
soil,
plant,
atmospheric
dust
Urumqi,
typical
city
western
China.
It
aims
help
reduce
protect
residents'
The
following
conclusions
were
drawn:
1)
like
Cr,
Pb,
As,
Ni
are
more
prevalent
soil
than
plants.
Chromium
was
first
group,
Cadmium
Mercury
second,
Plumb,
Arsenic,
Nickel
third.
Atmospheric
exhibit
significantly
higher
heavy
metal
content
For
example,
summary
up
88
mg/kg.
2)
Soil,
dust,
plants
have
highest
amount
residual
form.
Residual
form
had
percentage
average
53.3%,
whereas
Organic
matter
bound
lowest
just
7.7%.
contained
less
dust.
3)
correlation
coefficient
carbonated
Cd
is
0.95,
which
closely
related.
Other
show
similar
correlations
their
bio-available
contents
plants,
dust.This
suggests
that
urban
area,
focus
should
be
converting
into
instead
increasing
plants'
absorption
elements.
Язык: Английский
Using soil classification to improve interpretation of biological soil health indicators
Geoderma,
Год журнала:
2024,
Номер
451, С. 117085 - 117085
Опубликована: Окт. 31, 2024
Biological Soil Health Indicators Constrained by Soil Classification But Improved by Regenerative Practices
Опубликована: Янв. 1, 2023
The
concept
of
soil
health
recognizes
as
a
living
and
dynamic
natural
system,
notion
that
aptly
fits
in
the
realm
biology.
However,
tests
scoring
tools
are
often
dominated
by
indicators
fertility
chemistry.
Biological
remain
understudied
underrepresented
assessments.
To
address
this
gap,
here
we
evaluate
attributes
reflect
biological
functions
vitality
(including
organic
total
C,
N,
mineralized
microbial
phospholipid
fatty
acid
(PLFA)
biomass,
extracellular
enzyme
activity,
adaptation
response
ratio
(ARR)).
We
assess
if
these
can
be
contextualized
classification
measure
their
responsiveness
to
agricultural
management
practices.
Despite
nature
health,
find
great
group
constrains
measurements
serves
useful
contextualizing
factor
adjust
functions.
Further,
(namely
P
S
activity)
generally
improve
with
more
regenerative
crop
production
practices
such
cover
cropping
or
Although
other
CO2
mineralization,
N
C
cycling
enzymes,
PLFA
ARR
showed
fewer
differences
among
practices,
all
were
greater
under
prairie
grassland
than
cropland.
These
trends
also
supported
matter
stoichiometry
(N:C,
P:C,
S:C)
results,
suggesting
element
carbon
ratios
might
features
for
future
In
scores
class
including
embody
pools,
processes,
life,
assessments
will
not
only
better
represent
biology
appropriately
contextualize
scores,
but
move
towards
targeting
functioning.
Язык: Английский