Frontiers in Microbiology,
Год журнала:
2023,
Номер
14
Опубликована: Июнь 2, 2023
Coastal
wetlands
(CW)
are
the
junction
of
terrestrial
and
marine
ecosystems
have
special
ecological
compositions
functions,
which
important
for
maintaining
biogeochemical
cycles.
Microorganisms
inhabiting
in
sediments
play
key
roles
material
cycle
CW.
Due
to
variable
environment
CW
fact
that
most
affected
by
human
activities
climate
change,
severely
degraded.
In-depth
understanding
community
structure,
function,
environmental
potential
microorganisms
is
essential
wetland
restoration
function
enhancement.
Therefore,
this
paper
summarizes
microbial
structure
its
influencing
factors,
discusses
change
patterns
functional
genes,
reveals
functions
microorganisms,
further
proposes
future
prospects
about
studies.
These
results
provide
some
references
promoting
application
cycling
pollution
remediation
Frontiers in Microbiology,
Год журнала:
2022,
Номер
13
Опубликована: Сен. 23, 2022
Anthropogenic
activities
have
dramatically
increased
nitrogen
(N)
and
phosphorous
(P)
enrichments
in
terrestrial
ecosystems.
However,
it
is
still
unclear
on
how
bacterial
fungal
communities
would
respond
to
the
simultaneously
N
P
enrichment.
In
this
study,
we
used
a
field
experiment
simulate
input,
examined
effects
of
additions
abundance,
alpha-diversity,
community
composition
soil
bacteria
fungi
riparian
forest.
Six
nutrient-addition
treatments,
including
low
(30
kg
ha-1
year-1),
high
(150
ha
-1
P2O5
N+P,
control
(CK)
treatment
were
set
up.
We
found
that
significantly
affected
composition,
but
not
alpha
diversity.
Specifically,
16S,
nirK,
nirS
gene
copy
numbers
reduced
after
additions,
which
correlated
with
decreases
pH
NO-3-N,
respectively;
Co-additions
showed
antagonistic
interactions
copies;
Nutrient
relative
abundance
Proteobacteria
while
Chloroflexi.
Mantel's
test
alteration
was
associated
changes
NO-3-N.
The
nutrient
did
show
significant
numbers,
diversity,
could
be
due
non-significant
alterations
C/N
total
concentration.
conclusion,
our
results
suggest
are
more
sensitive
than
response
enrichment;
NO-3-N
explain
enrichment
communities,
co-addition
reduces
negative
these
two
nutrients
addition
alone.
These
findings
improve
understanding
microbial
addition,
especially
context
simultaneous
anthropogenic
inputs.
