Functional Ecology,
Год журнала:
2023,
Номер
37(10), С. 2634 - 2651
Опубликована: Авг. 24, 2023
Abstract
Coastal
blue
carbon
(C)
ecosystems
are
recognized
as
efficient
natural
C
sinks
and
play
key
roles
in
mitigating
global
climate
change.
Microbially
driven
C,
nitrogen
(N)
sulphur
(S)
cycles
crucial
for
ecosystem
functioning,
but
how
microorganisms
drive
sink
formation
sequestration
coastal
sediments
remains
unclear.
In
this
study,
we
conducted
a
comprehensive
analysis
of
amino
sugars,
N
S
cycling
genes/pathways
their
associated
taxa
native
(
Cyperus
malaccensis
Kandelia
obovata
)
alien
Spartina
alterniflora
Sonneratia
apetala
vegetation.
Compared
to
the
alien‐vegetated
sediment,
native‐vegetated
sediment
had
significantly
p
<
0.05)
higher
microbial
necromass
functional
potentials
chemoautotrophic
fixation,
degradation,
methane
cycling,
2
oxidation
sulphate
reduction.
Also,
our
microbiomes
showed
that
could
be
coupled
with
fixation
and/or
nitrate/nitrite
oxidation,
degradation
were
found
pathways
predicting
C.
Additionally,
sulphur‐oxidizing
Burkholderiales
metagenome‐assembled
genomes
(MAGs)
group
dominated
sediments.
These
results
suggested
oxidizers,
particular
novel
lineage,
might
dominates
through
anabolism
(C
fixation);the
coupling
microbially
processes;
deposition
derived
This
study
provides
insights
into
importance
oxidizers
shed
new
light
on
mechanism
ecosystems,
which
also
has
important
implications
enhancing
wetlands.
Read
free
Plain
Language
Summary
article
Journal
blog.
Shifts
in
agricultural
land
use
over
the
past
200
years
have
led
to
a
loss
of
nearly
50%
existing
wetlands
USA,
and
activities
contribute
up
65%
nutrients
that
reach
Mississippi
River
Basin,
directly
contributing
biological
disasters
such
as
hypoxic
Gulf
Mexico
"Dead"
Zone.
Federal
efforts
construct
restore
wetland
habitats
been
employed
mitigate
detrimental
effects
eutrophication,
with
an
emphasis
on
restoration
ecosystem
services
nutrient
cycling
retention.
Soil
microbial
assemblages
drive
biogeochemical
cycles
offer
unique
sensitive
framework
for
accurate
evaluation,
restoration,
management
services.
The
purpose
this
study
was
elucidate
patterns
soil
bacteria
within
among
by
developing
diversity
profiles
from
high-throughput
sequencing
data,
link
functional
gene
copy
number
nitrogen
genes
measured
flux
rates
collected
flow-through
incubation
cores,
predict
using
assemblage
composition.
showed
fine-scale
turnover
cores
across
topsoil
horizon
(0-5
cm;
top
vs
bottom
partitions)
were
structured
practices
easements
(tree
planting,
shallow
water,
remnant
forest).
Connections
between
composition,
number,
show
potential
bacterial
be
used
bioindicators
landscape.
In
addition,
predictive
accuracy
improved
when
implementing
deep
learning
models
paired
connected
samples
time.
Functional Ecology,
Год журнала:
2023,
Номер
37(10), С. 2634 - 2651
Опубликована: Авг. 24, 2023
Abstract
Coastal
blue
carbon
(C)
ecosystems
are
recognized
as
efficient
natural
C
sinks
and
play
key
roles
in
mitigating
global
climate
change.
Microbially
driven
C,
nitrogen
(N)
sulphur
(S)
cycles
crucial
for
ecosystem
functioning,
but
how
microorganisms
drive
sink
formation
sequestration
coastal
sediments
remains
unclear.
In
this
study,
we
conducted
a
comprehensive
analysis
of
amino
sugars,
N
S
cycling
genes/pathways
their
associated
taxa
native
(
Cyperus
malaccensis
Kandelia
obovata
)
alien
Spartina
alterniflora
Sonneratia
apetala
vegetation.
Compared
to
the
alien‐vegetated
sediment,
native‐vegetated
sediment
had
significantly
p
<
0.05)
higher
microbial
necromass
functional
potentials
chemoautotrophic
fixation,
degradation,
methane
cycling,
2
oxidation
sulphate
reduction.
Also,
our
microbiomes
showed
that
could
be
coupled
with
fixation
and/or
nitrate/nitrite
oxidation,
degradation
were
found
pathways
predicting
C.
Additionally,
sulphur‐oxidizing
Burkholderiales
metagenome‐assembled
genomes
(MAGs)
group
dominated
sediments.
These
results
suggested
oxidizers,
particular
novel
lineage,
might
dominates
through
anabolism
(C
fixation);the
coupling
microbially
processes;
deposition
derived
This
study
provides
insights
into
importance
oxidizers
shed
new
light
on
mechanism
ecosystems,
which
also
has
important
implications
enhancing
wetlands.
Read
free
Plain
Language
Summary
article
Journal
blog.
