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.
Biology,
Год журнала:
2024,
Номер
13(7), С. 549 - 549
Опубликована: Июль 21, 2024
The
culture
of
mandarin
fish
using
artificial
feed
has
been
gaining
increasing
attention
in
China.
Ensuring
good
water
quality
the
ponds
is
crucial
for
successful
aquaculture.
Recently,
trial
pond-based
rice
floating
beds
(PRFBs)
aquaculture
shown
promising
results.
This
research
assessed
impact
PRFBs
on
microbial
community
structure
and
overall
pond,
thereby
enhancing
our
understanding
its
functions.
results
revealed
that
PRFB
group
exhibited
lower
levels
NH4+-N,
NO2−-N,
NO3−-N,
TN,
TP,
Alk
pond
compared
to
control
group.
diversity
indices
showed
a
declining
trend,
while
these
were
At
phylum
level,
there
was
considerable
increase
Proteobacteria
abundance
throughout
period,
suggesting
may
promote
proliferation
Proteobacteria.
In
group,
remarkable
decrease
bacterial
populations
related
carbon,
nitrogen,
phosphorus
metabolism,
including
genera
Rhodobacter,
Rhizorhapis,
Dinghuibacter,
Candidatus
Aquiluna,
Chryseomicrobium
as
well
CL500_29_marine_group.
Overall,
findings
will
provide
basis
application
fed
an
diet
beds.
Water,
Год журнала:
2023,
Номер
15(18), С. 3315 - 3315
Опубликована: Сен. 20, 2023
The
release
of
endogenous
phosphorus
(P)
from
sediments
is
the
main
cause
lake
eutrophication,
even
after
successful
control
exogenous
P.
Among
others,
iron-bound
P
a
major
source
P,
and
it
necessary
to
reduce
concentration
by
enhancing
iron–phosphorus
binding.
Iron
(Fe)-modified
biochar
adsorption
an
effective
widely
used
method
for
fixing
in
sediments.
In
this
paper,
modification
method,
mechanism,
application
effect
Fe-modified
are
reviewed.
It
found
that
most
methods
realized
through
physicochemical
pathway.
Therefore,
prospect
biological
pathway
presented.
particular,
possible
iron-oxidizing
bacteria
(IOB)
promoting
binding
modifications
discussed.
potential
effects
additions
on
microbial
communities
water
also
future
research,
emphasis
should
be
placed
mechanism
analysis
simulated
polluted
environments
before
large-scale
use,
ensure
economic
practicability
sustainability
applications.
Water,
Год журнала:
2024,
Номер
16(6), С. 858 - 858
Опубликована: Март 16, 2024
Dredging,
adsorbent
inactivation,
and
phytoremediation
are
commonly
used
to
control
internal
nitrogen
phosphorus
sediment
loads
in
eutrophic
still-water
ecosystems,
such
as
lakes
ponds.
However,
the
effectiveness
of
these
remediation
techniques
has
not
been
verified
for
rivers,
lakes,
reservoirs
with
large
disturbances.
In
this
study,
a
calcium-loaded
clay
granular
(CRB)
was
prepared
an
alternative
commercial
adsorbents,
experiment
conducted
on
ecological
restoration
effects
both
dredging
single
treatments
well
combined
flowing
water.
The
enhancement
effect
above
investigated.
results
indicated
that
CRB
inactivation
treatment
reduced
turbidity
water
by
63%
80%,
respectively
increased
total
permanganate
index
(CODMn)
25%
101%
before
phytoremediation,
compared
group.
There
were
no
significant
differences
nutrient
indexes
between
group,
but
enhanced
treatment.
Compared
treatment,
CODMn
decreased
13%
15%,
respectively.
Phytoremediation
significantly
improved
treatments,
individually
combination.
Additionally,
there
notable
growth
rates
submerged
plants
contents
different
speciation
among
plant
species.
Selecting
suitable
species
is
recommended
when
implementing
methods.
This
study
highlights
combination
multiple
effective
provide
guide
