Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Feb. 13, 2024
Over
the
past
decades,
many
forests
have
been
converted
to
monoculture
plantations,
which
might
affect
soil
microbial
communities
that
are
responsible
for
governing
biogeochemical
processes.
Understanding
how
reforestation
efforts
alter
prokaryotic
will
therefore
inform
forest
management.
In
this
study,
were
comparatively
investigated
in
a
secondary
Chinese
fir
(original)
and
reforested
plantation
(reforested
from
forest)
Southern
China.
The
results
showed
changed
structure
of
community:
relative
abundances
important
families
soil.
This
be
caused
by
altered
pH
organic
matter
content
after
reforestation.
Soil
profile
layer
depth
was
an
factor
as
upper
layers
had
higher
diversity
prokaryotes
than
lower
ones
(
p
<
0.05).
composition
community
presented
seasonality
characteristic.
addition,
dominant
phylum
Acidobacteria
(58.86%)
with
Koribacteraceae
(15.38%)
family
plantation.
Furthermore,
matter,
total
N,
hydrolyzable
NH4+−N
positively
correlated
Also,
id="M2">NO3-−N
abundance
study
demonstrated
re-forest
transformation
properties,
lead
changes
composition.
turn
influence
processes
environmental
variables.
could
contribute
management
policy-making.
Eco-Environment & Health,
Journal Year:
2024,
Volume and Issue:
3(1), P. 59 - 76
Published: Jan. 3, 2024
Soil,
the
largest
terrestrial
carbon
reservoir,
is
central
to
climate
change
and
relevant
feedback
environmental
health.
Minerals
are
essential
components
that
contribute
over
60%
of
soil
storage.
However,
how
interactions
between
minerals
organic
shape
transformation
stability
remains
poorly
understood.
Herein,
we
critically
review
primary
mechanisms,
including
sorption,
redox
reaction,
co-precipitation,
dissolution,
polymerization,
catalytic
reaction.
These
interactions,
highly
complex
with
combination
multiple
processes,
greatly
affect
through
following
processes:
(1)
formation
or
deconstruction
mineral-organic
association;
(2)
oxidative
minerals;
(3)
polymerization
(4)
varying
association
according
mineral
transformation.
Several
pieces
evidence
related
turnover
during
interaction
in
real
eco-environment
then
demonstrated.
We
also
highlight
current
research
gaps
outline
priorities,
which
may
map
future
directions
for
a
deeper
mechanisms-based
understanding
storage
capacity
considering
its
minerals.
Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
13
Published: June 27, 2022
Soil
microbes
regulate
the
carbon
cycle
and
affect
formation
stabilization
of
soil
aggregates.
However,
interactions
between
microbial
community
organic
(SOC)
fractions,
(OC)
content
in
aggregates,
aggregate
stability
after
afforestation
are
remain
poorly
understood.
In
our
study,
we
investigated
SOC
fractions
bulk
soil,
aggregate-associated
OC
content,
stability,
bacterial
with
high-throughput
16S
rRNA
sequencing
at
sites
representing
natural
secondary
forest
(NF)
managed
(MF),
cropland
(CL)
as
reference
a
degraded
karst
region
Southwest
China.
Our
results
showed
that
remarkably
increased
fraction
mean
weight
diameter
(MWD),
geometric
(GMD).
The
most
dominant
phyla
detected
were
Acidobacteriota
,
Actinobacteriota
Proteobacteria
Chloroflexi
across
all
soils.
Afforestation
altered
relative
abundances
bacteria
phylum,
class,
order
levels.
Interestingly,
such
changes
abundance
taxa
had
significantly
effects
on
fraction,
MWD,
MGD.
Methylomirabilota
Latescibacterota
Methylomirabilia
MB-A2-108
norank_Latescibacterota
;
Dehalococcoidia
Rokubacteriales
Gaiellales
Microtrichales
norank_c__MB-A2-108
norank_c__norank_p__Latescibacterota
Rhizobiales
S085
not
only
but
also
significant
positive
afforestation.
Moreover,
MWD
MGD
positively
correlated
.
Results
indicated
importance
certain
for
regulating
storage
stability.
We
concluded
could
alter
bacteria,
these
modulate
aggregates
fractions.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(3), P. 1142 - 1154
Published: Jan. 1, 2024
Abstract
Soil
bacterial
communities
play
a
crucial
role
in
the
evaluation
of
soil
ecosystem
stability.
Vegetation
restoration
is
key
determinant
areas
affected
by
erosion.
However,
it
remains
unclear
how
structure
and
diversity
vary
with
depth.
In
this
study,
we
collected
samples
from
0
to
10
cm,
20
30
40
cm
depths
vegetation
sites
located
typical
erosion
China.
We
compared
analyzed
differences
community
characteristics
among
different
depths,
using
untreated
as
controls.
Compared
areas,
abundance
bacteria
0–10
10–20
20–30
increased
1.63,
1.04,
1.29
times,
respectively.
Furthermore,
enhanced
at
depths.
organic
carbon
(OC)
was
main
explanatory
factor
(53.50%,
p
=
0.000)
for
decrease
Additionally,
after
dominant
composition
shifted
Chloroflexi
Actinobacteria
Proteobacteria
30–40
The
were
primarily
driven
total
nitrogen
(TN)
content,
which
explained
up
34.5%
variation.
conclusion,
subsequent
management
sites,
increasing
OC
TN
content
can
enhance
diversity,
improve
composition,
ultimately
stability
ecosystems.
Forests,
Journal Year:
2025,
Volume and Issue:
16(1), P. 138 - 138
Published: Jan. 14, 2025
Moss–cyanobacteria
associations
serve
as
significant
nitrogen
fixers
and
represent
the
primary
sink
in
boreal
forests.
Fungi,
which
are
essential
for
soil
biogeochemical
cycling,
have
community
structures
intrinsically
linked
to
forest
ecosystem
health
productivity.
Using
high-throughput
sequencing,
we
investigated
differences
between
moss-covered
non-moss
soils
two
alpine
forests
(both
plantation
natural
forests)
by
examining
contents,
fungal
structure,
composition,
functional
guilds.
Results
demonstrated
that
moss
cover
enhanced
nutrient
including
total
carbon,
nitrogen,
inorganic
nitrogen.
It
also
altered
characteristics,
resulting
higher
Chao1
Shannon
diversity
indices,
well
a
more
complex
network.
Notable
changes
guilds
included
an
increase
saprotrophic
fungi
abundance
decrease
ectomycorrhizal
fungi.
Our
findings
support
concept
creates
distinct
environments:
attract
decomposers
nutrient-mobilizing
(particularly
saprotrophs
ectomycorrhiza),
while
favor
relieve
limitation
through
extensional
mycelial
networks.
These
highlight
critical
role
of
sustaining
resilience,
positioning
it
cornerstone
carbon
cycling
within
ecosystems.
mSystems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
ABSTRACT
Microbial
life-history
strategies
[inferred
from
ribosomal
RNA
operon
(
rrn
)
gene
copy
numbers]
and
associated
genomic
traits
metabolism
potentials
in
soil
significantly
influence
ecosystem
properties
functions
globally.
Yet,
the
differences
microbial
between
disturbed
(cropland)
pristine
soils,
along
with
their
dominant
driving
factors,
remain
underexplored.
Our
large-scale
survey
of
153
sites,
including
84
croplands
69
combined
long-term
field
experiments
demonstrates
that
cropland
soils
support
communities
more
candidate
r-strategies
characterized
by
higher
numbers
conducive
to
rapid
resource
utilization.
Conversely,
tend
host
aligned
K-strategies
marked
high
use
potentials.
Elevated
nitrogen
(N)
phosphorus
(P)
levels
emerge
as
key
factors
promoting
these
r-strategies,
overshadowing
organic
carbon
content,
structure,
or
climatic
conditions.
Results
four
also
corroborate
sustained
N
P
inputs
elevate
numbers,
favoring
r-strategists.
findings
highlight
land
fertilization
practices
critically
shape
strategies,
nutrient
availability
being
a
decisive
factor
increasing
r-strategists
soils.
IMPORTANCE
are
determinants
shaping
response
populations
environmental
impacts.
In
this
paper,
samples
were
studied,
microorganisms
two
ecosystems
categorized
into
types
ecological
groups
using
classical
copiotroph–oligotroph
dichotomy,
general
understanding
roles
microorganisms.
This
study
is
first
investigate
under
different
uses
across
five
zones
China.
The
results
showed
microbes
copiotrophic
than
It
elevated
r-strategies.
observation
emphasizes
critical
role
management
community
dynamics
functioning
lays
foundation
for
predicting
composition
perturbation.
