Effects of Climate on Variation of Soil Organic Carbon and Alkali-Hydrolyzed Nitrogen in Subtropical Forests: A Case Study of Zhejiang Province, China
Forests,
Journal Year:
2023,
Volume and Issue:
14(5), P. 914 - 914
Published: April 28, 2023
Subtropical
forests
play
an
important
role
in
the
global
carbon
cycle
and
climate
change
mitigation.
In
order
to
understand
effects
of
factors
on
soil
subtropical
forest
ecosystems,
it
is
necessary
make
full
use
sequestration
potential.
Soil
organic
(SOC)
alkali-hydrolyzed
nitrogen
(SAN)
were
tested
255
plots
Zhejiang
Province,
their
reserves
from
2020
Province
compared
with
those
2010.
The
results
showed
that
SOC
content
significantly
increased,
but
SAN
decreased
over
ten
years.
Combined
random
(RF)
correlation
analysis,
contribution
different
(temperature,
precipitation,
etc.)
storage
was
analyzed,
main
driving
evaluated.
RF
model
explained
winter
(December
February)
spring
(March
May)
most
dominant
drivers
0–10
cm
10–30
increases
SOC.
There
a
significant
positive
between
precipitation
accumulation
(0–30
cm)
during
spring.
minimum
temperatures
summer
(June
August)
autumn
(September
November)
negatively
correlated
cm).
Increasing
or
irrigation
(cloud
seeding)
could
improve
capacity
soils.
This
study
provides
new
perspective
sensitivity
potential
response
ecosystems.
Language: Английский
Association between Soil Physicochemical Properties and Bacterial Community Structure in Diverse Forest Ecosystems
Bing Yang,
No information about this author
Wanju Feng,
No information about this author
Wenjia Zhou
No information about this author
et al.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(4), P. 728 - 728
Published: April 3, 2024
Although
the
importance
of
soil
bacterial
community
for
ecosystem
functions
has
long
been
recognized,
there
is
still
a
limited
understanding
associations
between
its
composition,
structure,
co-occurrence
patterns,
and
physicochemical
properties.
The
objectives
present
study
were
to
explore
association
properties
diversity,
network
topological
features,
assembly
mechanisms
community.
Four
typical
forest
types
from
Liziping
Nature
Reserve,
representing
evergreen
coniferous
forest,
deciduous
mixed
conifer-broadleaf
secondary
selected
this
study.
was
analyzed
using
Illumina
MiSeq
sequencing
16S
rRNA
genes.
Nonmetric
multidimensional
scaling
used
illustrate
clustering
different
samples
based
on
Bray–Curtis
distances.
structure
Mantel
test.
interactions
among
taxa
visualized
with
network,
processes
quantified
Beta
Nearest
Taxon
Index
(Beta-NTI).
dominant
phyla
across
all
soils
Proteobacteria
(45.17%),
Acidobacteria
(21.73%),
Actinobacteria
(8.75%),
Chloroflexi
(5.06%).
Chao1
estimator
richness,
observed
ASVs,
faith-phylogenetic
diversity
(faith-PD)
index,
composition
distinguishing
features
examined
four
types.
first
two
principal
components
redundancy
analysis
explained
41.33%
variation
in
community,
total
organic
carbon,
moisture,
pH,
nitrogen,
carbon/nitrogen
(C/N),
carbon/phosphorous
(C/P),
nitrogen/phosphorous
(N/P)
being
main
shaping
communities.
more
complex
compared
that
pure
forests.
Beta-NTI
indicated
collaboratively
influenced
by
deterministic
stochastic
ecological
processes.
Language: Английский
Diversity and Composition of Soil Acidobacterial Communities in Different Temperate Forest Types of Northeast China
Jiao Feng,
No information about this author
Lili Qian,
No information about this author
Jinhua Wu
No information about this author
et al.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(5), P. 963 - 963
Published: May 10, 2024
To
gain
an
in-depth
understanding
of
the
diversity
and
composition
soil
Acidobacteria
in
five
different
forest
types
typical
temperate
ecosystems
to
explore
their
relationship
with
nutrients.
The
was
determined
by
high-throughput
sequencing
technology.
Soil
Acidobacteria’s
alpha-diversity
index
nutrient
content
differed
significantly
among
types.
β-diversity
also
varied
across
Acidobacterial
genera,
such
as
Acidobacteria_Gp1,
Acidobacteria_Gp4,
Acidobacteria_Gp17,
play
key
roles
forests.
RDA
analyses
pointed
out
that
pH,
available
nitrogen
(AN),
carbon
(C/N)
ratio,
phosphorus
(AP),
total
(TC),
(TP)
were
significant
factors
affecting
In
this
study,
under
a
ecosystem
analyzed,
revealing
complex
between
them
physicochemical
properties.
These
findings
not
only
enhance
our
microbial
ecology
but
provide
important
guidance
for
ecological
conservation
restoration
strategies
ecosystems.
Language: Английский
Fertilization- and Irrigation-Modified Bacterial Community Composition and Stimulated Enzyme Activity of Eucalyptus Plantations Soil
Chunyu Huo,
No information about this author
Jianhui Mao,
No information about this author
Jianlang Zhang
No information about this author
et al.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(3), P. 1385 - 1385
Published: Jan. 23, 2024
Irrigation
and
fertilization
are
essential
management
practices
for
increasing
forest
productivity.
They
also
impact
the
soil
ecosystem
microbial
population.
In
order
to
examine
bacterial
community
composition
structure
in
response
irrigation
a
Eucalyptus
plantations,
total
of
20
samples
collected
from
plantations
were
analyzed
using
high-throughput
sequencing.
Experimental
treatments
consisting
control
(CK,
no
or
fertilization),
only
(F),
(W),
(WF).
The
results
showed
positive
correlation
between
enzyme
activities
(urease,
cellulase,
chitinase)
treatments.
These
significantly
correlated
with
diversity
communities
plantations..
Bacteria
was
considerably
increased
under
(W,
F,
WF)
when
compared
CK
treatment.
Additionally,
richness
(W
Acidobacteria
(38.92–47.9%),
Proteobacteria
(20.50–28.30%),
Chloroflexi
(13.88–15.55%)
predominant
phyla
found
soil.
Specifically,
treatment,
relative
abundance
higher
W,
WF
treatments,
while
lower.
contents
phosphorus,
accessible
potassium,
organic
carbon
all
positively
associated
Under
bacteria
nitrogen
metabolisms,
activity,
nutrient
an
increase,
indicating
on
production.
Collectively,
these
findings
provide
scientific
managerial
bases
improving
productivity
plantations.
Language: Английский
Climax forest has a higher soil bacterial diversity but lower soil nutrient contents than degraded forests in temperate northern China
Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
12(11)
Published: Nov. 1, 2022
Abstract
Bacteria
are
a
crucial
component
of
forest
soil
biodiversity
and
play
an
important
role
in
numerous
ecosystem
processes.
Here,
we
studied
the
patterns
bacterial
community
diversity
structure
climax
(
Larix
gmelinii
;
LG)
compared
with
those
degraded
ecosystems
four
vegetation
types
(BD,
Betula
dahurica
BP,
platyphylla
QM,
Quercus
mongolica
LGQM,
mixed
coniferous–broadleaved
composed
)
Heilongjiang
Zhongyangzhan
Black‐billed
Capercaillie
Nature
Reserve
northern
China,
using
Illumina
MiSeq
sequencing
16
S
rRNA
genes.
Soil
physicochemical
properties
(pH,
organic
carbon
=
SOC,
total
nitrogen
TN,
carbon/nitrogen
C/N,
phosphorous
TP,
available
AN,
AP)
differed
significantly
p
<
.05)
among
five
forests.
AP
were
highest
whereas
SOC
was
lowest
LGQM.
pH
BD
α
LG
QM.
The
composition
different
from
that
forests
.05).
dominant
phyla
Acidobacteria,
Proteobacteria,
Verrucomicrobia,
Bacteroidetes,
Actinobacteria,
Gemmatimonadetes,
Firmicutes,
Chloroflexi,
Rokubacteria.
relative
abundances
these
were:
30.7%
for
Acidobacteria
42.6%
Proteobacteria
LG,
17.6%
Verrucomicrobia
BD,
5.5%
Firmicutes
6.9%
Actinobacteria
genera
across
Bryobacter
some
poorly
characterized
taxa
(e.g.,
Candidatus_Udaeobacter
Candidatus_Solibacter
).
Redundancy
analysis
indicated
main
shaped
communities.
Our
study
revealed
distinct
values
forests,
suggesting
biotic
abiotic
factors
associated
shaping
thus
biogeochemical
functions.
results
this
contribute
to
deeper
understanding
better
predictions
network
belowground
systems
functions
services
ecosystems.
Language: Английский
The Effects of Exogenous Benzoic Acid on the Physicochemical Properties, Enzyme Activities and Microbial Community Structures of Perilla frutescens Inter-Root Soil
Tongtong Xue,
No information about this author
Yuxin Fang,
No information about this author
Hui Li
No information about this author
et al.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(6), P. 1190 - 1190
Published: June 13, 2024
This
study
analyzed
the
effects
of
benzoic
acid
(BA)
on
physicochemical
properties
and
microbial
community
structure
perilla
rhizosphere
soil.
The
analysis
was
based
high-throughput
sequencing
technology
physiological
biochemical
detection.
results
showed
that
with
increase
in
BA
concentration,
soil
pH
significantly
decreased,
while
contents
total
nitrogen
(TN),
alkaline
(AN),
available
phosphorus
(AP),
potassium
(AK)
increased.
activities
conversion
enzymes
urease
phosphatase
increased,
but
catalase
peroxidase
decreased.
indicates
can
enzyme
activity
improve
nutrient
conversion;
addition
altered
composition
diversity
bacterial
fungal
communities.
relative
abundance
beneficial
bacteria
such
as
Gemmatimonas,
Pseudolabrys,
Bradyrhizobium
decreased
significantly,
harmful
fungi
Pseudogymnoascus,
Pseudoeurotium,
Talaromyces
increased
significantly.
Correlation
shows
AP,
AN,
TN
are
main
factors
affecting
elucidates
soil,
preliminarily
reveals
mechanism
its
allelopathic
effect
growth
perilla.
Language: Английский
Heterogeneous Habitats in Taiga Forests with Different Important Values of Constructive Species Changes Bacterial Beta Diversity
Zhou Tian,
No information about this author
Song Wu,
No information about this author
Hong Pan
No information about this author
et al.
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(10), P. 2609 - 2609
Published: Oct. 23, 2023
As
a
crucial
link
between
the
aboveground
and
belowground
components
of
forest
ecosystems,
soil
bacterial
communities
are
extremely
sensitive
to
changes
in
plant
conditions.
To
investigate
impact
difference
constructive
species
on
taiga
forests,
we
conducted
vegetation
survey
at
international
monitoring
plot
Larix
gmelinii
forests
Great
Khingan
Mountains
calculated
important
value
determine
experimental
groups
based
this
survey.
Subsequently,
collected
samples
for
high-throughput
sequencing
analyze
how
community
composition
diversity
changed,
which
factors
affected
them.
The
results
showed
that
with
different
values
had
heterogeneous
habitats,
AP
content
significantly
increased,
SOC,
MBC,
pH,
C/N
decreased
(p
<
0.05).
A
total
32
phyla,
91
classes,
200
orders,
308
families,
496
genera,
975
bacteria
were
obtained
by
sequencing.
Among
them,
Proteobacteria,
Actinobacteriota,
Acidobacteriota
dominant
Mycobacterium
was
genus,
relative
abundance
each
group
varied.
beta
significant
differences
=
0.001),
C/N,
AP,
TN,
AN,
WC
being
main
influencing
factors.
Functional
prediction
analysis
chemoheterotrophy
aerobic
functional
groups,
Overall,
changed
composition,
diversity,
potential
functions
bacteria.
Language: Английский
The Effects of Korean Pine and Manchurian Walnut Monocultures and Mixed Plantations on Soil Fungal and Bacterial Communities
Forests,
Journal Year:
2023,
Volume and Issue:
14(8), P. 1594 - 1594
Published: Aug. 6, 2023
(1)
Background:
Korean
pine
(Pinus
koraiensis)
and
Manchurian
walnut
(Juglans
mandshurica)
are
the
main
tree
species
for
plantation
regeneration
in
Northeast
China,
mixed
of
them
is
one
typical
measures
adopted
to
address
decline
stand
productivity
long-term
monocultures.
However,
little
known
about
effects
monocultures
plantations
on
soil
microbial
diversity,
composition,
functional
groups.
(2)
Methods:
We
used
ITS
16S
rRNA
gene
sequencing
detect
fungal
bacterial
communities
FUNGuild,
FAPROTAX,
Bugbase
databases
predict
their
(3)
Results:
Fungal
alpha
diversity
were
always
higher
than
The
type
had
a
greater
impact
composition
composition.
groups
significantly
affected
by
(p
<
0.05),
while
barely
changed
among
all
types.
available
nutrient
content
was
most
important
factor
shaping
community
structures
(4)
Conclusions:
Shifts
compositions
might
play
dominant
role
cycling
across
different
types
China.
Language: Английский