Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 21, 2023
Abstract
Aims
Lakeshore
wetlands
are
global
carbon
(C)
hotspots,
but
their
role
in
C
sequestration
has
been
largely
overlooked.
The
rhizosphere
a
complex
interaction
of
microbiota
and
metabolites,
which
plays
an
important
wetland
cycling.
This
study
aims
to
understand
how
the
rhizospheric
interactions
affects
harvested
aboveground
soil
lakeshore
subtropical
region.
Methods
An
investigation
five
reed
(
Phragmites
australis
)
at
similar
latitudes
Lower
Yangtse
Valley
China
was
carried
out
explore
relationship
with
C.
plant
traits
physicochemical
properties
were
determined
due
affecting
interactions.
Results
Plant
significantly
differed
among
sites,
while
fixation
did
not
differ.
organic
(SOC)
content
topsoil
accounting
for
majority
total
most
except
Yangtze
River
estuary
higher
pH
conductivity,
whose
inorganic
(SIC)
accounted
almost
half.
Bacterial
community
metabolite
composition
partitioned
across
Structural
equation
modeling
revealed
positively
affected
SOC,
negatively
SIC.
Their
effects
on
stronger
than
those
fixation.
Conclusions
exhibited
direct
indirect
by
altering
microbial
structure
composition.
Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
35, P. 103734 - 103734
Published: June 25, 2024
Domestic
wastewater
is
one
of
the
main
sources
microplastic
(MP)
contamination
in
aquatic
environment;
however,
most
treatment
plants
(WWTPs)
have
not
been
designed
for
removal
MPs.
In
this
study,
release
rate
MPs
treated
water
from
a
WWTP
into
river
was
estimated
to
be
approximately
105
×
103
pcs/capita/day.
Thus,
bioretention
systems
are
as
tertiary
reduce
number
resources.
The
objective
study
evaluate
performance
using
umbrella
plant
(Cyperus
alternifolius
L.)
and
common
reed
(Phragmites
australis)
MP
removal.
After
17
weeks,
were
found
system.
root
system
substrate
influence
retention
process
greater
extent
through
physical
filtration,
ratio,
roots,
biofilms
on
roots.
Additionally,
played
an
important
role
low-density
accumulation
roots
hairs
inevitably
impacts
plants.
results
showed
that
at
3:2:9
ratio
(gravel:
sand:
soil)
had
highest
relative
height
growth
(RHGR)
(1.8
mm
cm−1
week−1).
These
show
HSFs–3
able
MPs,
with
average
efficiency
62.89
%
95.45
sizes
>1000
µm,
89.21
500–1000
44.16
<500
µm.
microbeads
95.24
%.
Our
suggest
Horizontal
Subsurface
Flow
effective
removing
wastewater.
Water,
Journal Year:
2024,
Volume and Issue:
16(2), P. 278 - 278
Published: Jan. 12, 2024
This
study
designed
integrated
constructed
wetland–microbial
fuel
cell
(CW–MFC)
systems
using
activated
carbon
(AC)
as
both
CW
substrates
and
MFC
anodes
investigated
the
structure-activity
relationship
of
six
kinds
commercial
columnar
AC,
well
organics
nitrogen
removal,
microbial
activity
diversity
CW–MFCs.
Results
showed
that
adsorption
by
AC
tended
to
be
a
linear
process
in
which
physical
played
leading
role
micropores
made
great
contributions.
A
higher
specific
surface
area,
developed
mesopores,
oxygen
functionalities
were
conducive
capacitance
properties
while
area
reduce
material
resistance
improve
ion
permeability.
Coconut-shell-based
had
excellent
capacity
electrochemical
properties,
making
it
ideal
for
The
electricity
generation,
coulombic
efficiency,
internal
resistance,
removal
CW–MFCs
positively
correlated
with
total
depth
anodes.
can
determined
based
on
influent
organics/nitrogen
loadings
load
relatively
smaller
single
anode
(5
cm)
was
recommended.
effectively
improved
enzymatic
(by
10.33%
dehydrogenase,
8.72%
catalase,
7.35%
ammonia
monooxygenase),
nitrification/denitrification
intensity
9.53%/6.68%),
1.64–4.07%)
(MFC
anodes)
CW–MFCs,
barely
influenced
diversity.
MFCs
increased
COD
NH3-N
11.60%
3.4%,
respectively.
increase
its
narrowed
difference
resulting
from
promotion
degradation.
TN
5.29%
through
promoting
denitrification
cathodes
enhancing
assimilation
phyla
EAB
(Proteobacteria,
Bacteroidetes,
Firmicutes,
Acidobacteria)
genera
(Citrobacter,
Geobacter,
Pseudomonas)
accounted
85–86%
15.58–16.64%
community
Journal of Limnology,
Journal Year:
2025,
Volume and Issue:
84
Published: April 9, 2025
Marine
and
freshwater
macrophytes
are
known
to
filter
off
microplastics
from
the
water
column;
however,
effects
of
microplastic
size
type
on
their
retention
by
different
species
have
yet
be
investigated.
Here
we
tested
sizes
types
microplastics,
introduced
under
two
flow
regimes
(vertical
deposition
in
still
lateral
a
unidirectional
current),
submerged
macrophyte
species,
Hydrilla
verticillata
Mayaca
fluviatilis,
using
ex
situ
experiments.
Microplastics
entrapment
efficiency
was
determined
calibrating
dry
weight
(DW)
plant
analysing
characteristics
each
via
comparison
leaf
outer-edge
perimeter-to-area
ratio
(P:A).
The
higher
than
moving
water.
had
greater
average
surface
area
retained
most
polyethylene
terephthalate
(PET)
800-1000
μm
both
(1.75±0.11
g)
vertical
(2.85±0.24
g).
Conversely,
M.
fluviatilis
P:A,
area,
high
cellulose
PET
600-800
(0.73±0.07
(0.92±0.159
Our
findings
highlight
influence
material
type,
morphology
conditions
determining
rate
macrophytes.
