Restoration Ecology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Ecological
restoration
through
the
use
of
submerged
vegetation
has
been
widely
implemented
both
domestically
and
internationally,
yielding
significant
results.
The
relationship
between
microbial
communities
become
a
key
focus
in
current
research.
Despite
this,
regulation
density
post‐restoration
remains
topic
debate,
impact
seasonal
variations
on
requires
further
investigation.
A
comprehensive
study
was
conducted
different
densities
communities,
water
physicochemical
properties,
sediment
nutrients,
bacterial
following
semi‐constructed
wetland
ecological
project.
results
indicated
that
around
50%
led
to
highest
dissolved
oxygen
(DO)
content
greater
number
unique
operational
taxonomic
units.
Furthermore,
changes
were
found
significantly
influence
α‐
β‐diversity.
Redundancy
analyses
environmental
factors
explained
variability
α‐diversity,
accounting
for
74.63%
variation.
Particularly,
CODCr
identified
as
factor
affecting
while
DO,
pH,
turbidity,
total
organic
carbon
had
α‐diversity
water.
This
advances
our
understanding
importance
its
effects
providing
valuable
insights
management
processes.
Urban Water Journal,
Год журнала:
2024,
Номер
21(6), С. 790 - 801
Опубликована: Май 28, 2024
The
separate
sewer
system
has
led
to
severe
river
pollution
because
of
domestic
sewage
infiltrations
and
initial
rainfall
pollution.
Therefore,
interception
wells
(IWs)
are
installed
divert
the
wastewater
treatment
plant
but
similarly
contribute
overflow-induced
on
rainy
days.
aim
present
study
is
propose
a
control
strategy
for
regulation
IWs'
overflow
based
online
monitoring
data,
measures,
software
simulation.
results
indicate
that
during
light
rain,
from
IWs
minimal,
requiring
no
measures.
However
heavy
rainfall,
leads
an
increase
in
river's
concentration
NH3-N
0.25
3.04
mg/L.
Finally,
Simulations
demonstrate
reduction
levels
2.27
1.33
mg/L
after
implementation.
indicated
substantial
effectiveness
measures
mitigating
originating
overflows
events.
Water Practice & Technology,
Год журнала:
2024,
Номер
19(8), С. 3272 - 3284
Опубликована: Июль 30, 2024
ABSTRACT
Biological
contact
oxidation
reactors
employing
modified
basalt
fiber
(MBF)
were
constructed
to
systematically
investigate
the
impact
of
various
hydraulic
retention
times
(HRTs)
and
aeration
durations
on
nitrogen
phosphorus
removal
in
low
carbon
polluted
river
water.
The
experimental
findings
underscored
that
configuring
HRT
36
h
maintaining
an
ratio
1:2
yielded
most
favorable
outcomes
for
chemical
oxygen
demand,
NH4+
-N,
total
(TN),
TP
from
synthetic
carbon,
source-polluted
Detailed
microbial
sequencing
elucidated
predominant
bacterial
phylum
within
MBF
reactor,
identified
as
Proteobacteria.
dominant
genera
encompassed
Pseudomonas,
Aeromonas,
SM1A02.
This
composition,
marked
by
a
high
abundance
denitrifying
genera,
corroborated
robust
denitrification
capacity
exhibited
reactors.
orchestrated
combination
optimal
operational
parameters
prevalence
key
taxa
substantiate
efficiency
effectively
mitigating
source
