Water periods impact the structure and metabolic potential of the nitrogen-cycling microbial communities in rivers of arid and semi-arid regions
Water Research,
Год журнала:
2024,
Номер
267, С. 122472 - 122472
Опубликована: Сен. 17, 2024
Язык: Английский
Field-scale artificial floating islands reduces cyanotoxin from residential raw sewage treatment basin
Ecological Engineering,
Год журнала:
2025,
Номер
212, С. 107543 - 107543
Опубликована: Фев. 1, 2025
Язык: Английский
Nitrous oxide emissions from rivers in agricultural area under different rainfall scenarios: the effect of typhoons in intensifying the release
Environmental Pollution,
Год журнала:
2025,
Номер
unknown, С. 126449 - 126449
Опубликована: Май 1, 2025
Язык: Английский
N2O Emissions from Aquatic Ecosystems: A Review
Atmosphere,
Год журнала:
2023,
Номер
14(8), С. 1291 - 1291
Опубликована: Авг. 15, 2023
Emissions
of
nitrous
oxide
(N2O)
from
aquatic
ecosystems
are
on
the
rise
due
to
dramatic
increase
in
global
reactive
nitrogen
input
by
anthropogenic
activities
(e.g.,
agricultural
fertilizer
use).
However,
uncertainties
exist
estimation
N2O
budgets
limited
knowledge
mechanisms
involved
emissions,
as
well
flux
measurements
and
modelling.
To
give
a
full
picture
this
review
discusses
biotic
abiotic
common
methods
used
(including
field
measurement
formula
simulation
methods),
alternatives
for
budget
estimation.
In
addition,
also
suggests
that
stable
isotope
technology
is
promising
application
source
partitioning.
Язык: Английский
Dual mechanism of membrane covering on GHG and NH3 mitigation during industrial-scale experiment on dairy manure composting: Inhibiting formation and blocking emissions
Journal of Environmental Management,
Год журнала:
2024,
Номер
370, С. 122585 - 122585
Опубликована: Сен. 20, 2024
Язык: Английский
Response Characteristics and Community Assembly Mechanisms of nirS-Type Denitrifiers in the Alpine Wetland under Simulated Precipitation Conditions
Biology,
Год журнала:
2024,
Номер
13(8), С. 596 - 596
Опубликована: Авг. 7, 2024
The
nitrogen
cycling
process
in
alpine
wetlands
is
profoundly
affected
by
precipitation
changes,
yet
the
dynamic
response
mechanism
of
denitrifiers
to
long-term
shifts
wetland
Qinghai-Tibet
Plateau
remains
enigmatic.
Utilizing
high-throughput
sequencing
analysis
nirS-type
functional
genes,
this
study
delved
into
changes
Qinghai
Lake.
findings
revealed
that
Lake
were
primarily
Proteobacteria,
and
Alpha
diversity
exhibited
a
negative
correlation
with
gradient,
deterministic
processes
predominating
community
assembly
denitrifying
microbes.
A
50%
increase
rainfall
shifted
from
stochastic.
Dominant
microflora
at
genus
level
responded
significantly
aerobic
bacteria
comprising
majority
differentially
abundant
taxa
(55.56%).
As
increased,
complexity
microbial
interaction
network
decreased,
25%
reduction
notably
elevated
relative
abundance
three
key
groups:
chemoheterotrophic,
fixation.
Precipitation
emerged
as
primary
regulator
Lake,
accounting
for
51%
variation
composition.
In
summary,
offers
fresh
perspective
investigating
ecological
ecosystems
examining
composition
changes.
Язык: Английский
Field-Scale Application of Artificial Floating Islands for Cyanotoxin Reduction from Residential Raw Sewage Treatment Basin
Опубликована: Янв. 1, 2024
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DOI
Язык: Английский
Assessing the impact of rainfall on water quality in a coastal urban river utilizing the environmental fluid dynamics code
Urban Climate,
Год журнала:
2024,
Номер
56, С. 102082 - 102082
Опубликована: Июль 1, 2024
Язык: Английский
Impacts of N2O Oversaturated Sewage Effluents on the Spatial Distribution of Riverine N2O: Insights from Sanya Estuaries, Hainan Province
Water,
Год журнала:
2024,
Номер
16(24), С. 3685 - 3685
Опубликована: Дек. 20, 2024
Rivers
and
estuaries
are
recognized
as
significant
sources
of
atmospheric
greenhouse
gas
nitrous
oxide
(N2O),
primarily
through
diffusive
pathways.
Anthropogenic
nitrogen
contributions
to
surface
water
bodies
can
alter
the
baseline
emissions
from
natural
sources;
however,
due
high
spatial
variability
limited
datasets,
specific
sinks
contributing
N2O
remain
poorly
understood.
This
study
investigates
(N2O)
in
river
systems
located
Sanya,
Hainan
Province,
China.
In
April
2023,
we
collected
48
samples
seawater,
measuring
hydrochemical
parameters
situ
while
analyzing
concentrations
laboratory.
The
results
indicate
that
vary
significantly
across
different
within
Sanya.
Specifically,
ranged
0.33
307.18
nmol/L
for
Sanya
River,
2.28
3113.46
Damaoshui
5.72
122.75
Tengqiao
River
waters,
between
11.08
18.07
Ningyuan
waters;
coastal
seawater
exhibited
ranging
2.42
21.96
nmol/L.
Notably,
observed
riverine
levels
near
sewage
discharge
points
were
oversaturated—indicating
a
peak
concentration—which
subsequently
declined
towards
more
consistent
with
those
found
one
approaches
mouths
estuaries.
Both
appear
be
N2O;
conversely,
is
not
considered
substantial
source.
Our
data
suggest
wastewater
discharges
may
play
critical
role
influencing
waters
by
directly
introducing
oversaturated
effluents
into
these
ecosystems.
Язык: Английский