Nitrogen-cycling microbial diversity and function in tiankengs at different evolutionary stages
CATENA,
Год журнала:
2025,
Номер
254, С. 108969 - 108969
Опубликована: Март 23, 2025
Язык: Английский
High-frequency data significantly enhances the prediction ability of point and interval estimation
Xin Liu,
Fu-Jun Yue,
Tian-Li Guo
и другие.
The Science of The Total Environment,
Год журнала:
2023,
Номер
912, С. 169289 - 169289
Опубликована: Дек. 21, 2023
Язык: Английский
Unravelling nitrate transformation mechanisms in karst catchments through the coupling of high-frequency sensor data and machine learning
Water Research,
Год журнала:
2024,
Номер
267, С. 122507 - 122507
Опубликована: Сен. 23, 2024
Язык: Английский
The Quantity and Quality of Humic Substances following Different Land Uses in Karst Peak-Cluster Depression in Guangxi, China
Agriculture,
Год журнала:
2023,
Номер
13(12), С. 2246 - 2246
Опубликована: Дек. 6, 2023
There
were
some
ecological
and
environmental
problems
in
limestone
soil
the
karst
peak-cluster
depression
Pingguo
City
of
Guangxi,
such
as
destruction
structure,
acidification
fertility
decline,
these
closely
related
to
organic
matter.
The
this
site
was
classified
Cambisols.
Therefore,
project
took
under
five
major
land
uses
(grassland,
afforestation,
sugarcane
field,
corn
field
pitaya
field)
area
Guangxi
research
object.
contents
molecular
structure
properties
humic
acids,
fulvic
acids
humins
soils
studied
by
solid-state
13C
nuclear
magnetic
resonance
spectroscopy
elemental
composition.
From
perspective
chemical
substances,
differences
quantity
structural
characteristics
different
revealed.
results
showed
that
carbon
content
both
afforestation
(34.83
g
kg−1)
natural
restored
grassland
(31.67
significantly
higher
than
(17.60
kg−1),
(16.35
(14.31
(p
<
0.05).
three
fractions
relatively
high,
low
substances
protein
components
indicating
contained
more
unstable
components.
Alkyl
C/O-alkyl
C
Hydrophobic
C/hydrophilic
ratios
high
stability
maturity
field.
Язык: Английский
Dynamic characteristics of nitrogen transport in various land use in a typical karst catchment during rainfall events
Environmental Earth Sciences,
Год журнала:
2023,
Номер
82(13)
Опубликована: Июнь 21, 2023
Язык: Английский
Short-Term Soil CO2 Concentration Responses to Precipitation Events in Karst Land with Diverse Vegetation Coverage in Southwestern China
ACS Earth and Space Chemistry,
Год журнала:
2023,
Номер
7(10), С. 2062 - 2072
Опубликована: Сен. 18, 2023
Exploring
the
short-term
fluctuations
in
soil
carbon
dioxide
(CO2)
concentrations
is
critical
for
understanding
terrestrial
(C)
cycle,
especially
karst
due
to
its
vast
C
reserves
and
fragile
eco-environment.
In
this
study,
we
investigated
rainfall-event-driven
CO2
concentration
variations
profiles
of
cropland
(CR),
abandoned
(AC),
grassland
(SG),
secondary
forest
(SF)
a
typical
watershed
by
sensor
technique
understand
dynamics
their
controls
at
different
recovery
stages.
Our
results
showed
that
all
studied
types
responded
rainfall
quickly
decreased
significantly
during
rainfall.
CR
had
largest
decrease
(1350
ppm),
followed
AC
(912
with
response
time
approximately
150
min.
By
contrast,
decreases
SG
SF
were
smaller,
428
155
ppm
shorter
times
45
The
an
obvious
diurnal
variation
pattern
consistent
temperature,
but
there
was
lag
effect
CO2.
After
rainfall,
difference
decreased,
which
may
be
temperature
or
related
entering
groundwater
being
consumed
chemical
weathering
carbonates.
data
indicated
sensitivity
both
production
loss
environmental
changes
such
as
precipitation
varies
soils
vegetation
recoveries
areas.
As
recovers,
drops
less
suggesting
enhances
stability,
thereby
helping
sequester
atmospheric
contribute
enhancement
sink
functions
ecosystems.
Язык: Английский
Matched Relationships and Mechanisms of Water and Land Resources in Karst Mountainous Areas: A Review
Land,
Год журнала:
2024,
Номер
13(6), С. 813 - 813
Опубликована: Июнь 6, 2024
The
matching
relationship
between
water
and
land
resources
in
the
karst
mountains
is
closely
related
to
regional
ecological
environmental
security,
human
well-being,
high-quality
socio-economic
development.
Based
on
a
massive
literature
review,
this
review
systematically
summarizes
research
overview,
development
process,
mechanism
of
resources.
results
show
following:
(1)
Since
1990,
number
publications
has
shown
steady
upward
trend,
with
journals
covering
multiple
fields,
characterized
by
multidisciplinary
interdisciplinary
features.
(2)
mountainous
areas
experienced
three
stages:
“single
element–binary
matching–multiple
coupling”.
It
reveals
evolutionary
process
from
focusing
single
internal
system
mutual
resources,
then
study
coupling
other
external
systems.
(3)
coordinated
depends
joint
interactions
natural,
economic,
social
factors,
while
mainly
focuses
around
aspects
agricultural
production,
environment,
economic
Furthermore,
proposes
that
future
should
explore
through
theoretical
framework
construction,
model
innovation,
scale
refinement,
analysis.
expected
will
provide
scientific
reference
for
advancing
optimizing
their
management.
Язык: Английский
Elucidating biogeochemical characterization of nitrogen in the vadose zone integrating geochemistry, microorganism, and numerical simulation
The Science of The Total Environment,
Год журнала:
2024,
Номер
947, С. 174687 - 174687
Опубликована: Июль 10, 2024
Язык: Английский
Machine Learning-based Optimal Nitrate Dynamics and Flux Monitoring Frequency in Karst Catchment
Deleted Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Язык: Английский
Effect of Nano-Bubble Irrigation on the Yield and Greenhouse Gas Warming Potential of Greenhouse Tomatoes
Agronomy,
Год журнала:
2023,
Номер
13(12), С. 2917 - 2917
Опубликована: Ноя. 27, 2023
Nano-bubble
irrigation,
as
a
new
irrigation
technology,
can
deliver
fertilizer-mixed
oxygen-enriched
water
to
the
root
zone
of
crops,
representing
means
for
increasing
crop
yield
and
carbon
sequestration
emission
reduction.
To
systematically
analyze
effects
nano-bubble
on
yield,
soil
aeration,
greenhouse
gas
(GHG)
emissions,
well
evaluating
its
contribution
net
warming
potential
(NGWP)
in
agriculture,
this
study
was
conducted
facilities
Zhengzhou,
China
focused
tomato
plants.
A
2-factor,
2-level,
completely
randomized
trial
nitrogen
application
(low
N1:
120
kg/hm2
normal
N2:
180
kg/hm2),
conventional
(C:
5
ppm
A:
15
ppm)
conducted.
Compared
with
increased
by
18.94%
16.36%
(p
<
0.05),
CO2
10.72%
5.71%
N2O
29.76%
35.74%
CH4
uptake
300.67%
327.67%
0.05)
under
irrigation.
The
thus
significantly
improving
NGWP
sink
gases.
low-nitrogen
regular-nitrogen
treatments
22.69%
14.52%,
respectively
0.05).
This
suggests
that
improve
increase
biomass,
sequestration.
In
future,
be
used
along
amendments
achieve
more
efficient
enhance
ability
farmland
sequester
reduce
emissions.
Язык: Английский