Forests,
Год журнала:
2024,
Номер
15(8), С. 1299 - 1299
Опубликована: Июль 25, 2024
Understanding
the
land
use
pattern
relationships
regarding
composition,
diversity,
and
abundance
of
soil
microbial
communities
in
a
typical
karst
depression
southwestern
China
is
crucial
for
assessing
stability
local
ecosystems.
However,
these
aspects
depressions
within
northern
tropical
seasonal
rainforests
remain
limited.
Therefore,
we
examined
differences
microorganism
abundance,
community
co-occurrence
networks
under
five
types
region
China:
sugarcane
fields,
orchards,
grasslands,
plantation
forests,
secondary
forests.
The
samples
from
areas
were
analyzed
using
16S
rRNA
gene
amplification.
abundances
Acidobacteria
Ascomycota
lowest
(20.66%
66.55%,
respectively)
forests
highest
(35.59%
89.35%,
fields.
Differences
across
related
to
pH
total
phosphorus.
PCoA
ANOSIM
demonstrated
significant
bacterial
fungal
structures
among
types.
Bacterial
alpha-diversity
showed
no
variation
different
uses,
whereas
exhibited
differences.
Observed
Chao1,
ACE,
Shannon
indices
indicated
that
had
alpha-diversity.
Land
changes
also
influenced
networks,
with
orchards
being
more
complex
stable
than
those
grasslands
Key
taxa
such
as
Proteobacteria,
Planctomycetes,
Chloroflexi,
Ascomycota,
Basidiomycota
predominantly
connected
highlighting
their
high
functional
potential.
This
study
provides
insights
can
inform
effective
planning
management
strategies
depressions,
thereby
enhancing
ecological
sustainability
balance.
Microorganisms,
Год журнала:
2025,
Номер
13(1), С. 154 - 154
Опубликована: Янв. 13, 2025
The
soil
microbiome
plays
an
important
role
in
wetland
ecosystem
services
and
functions.
However,
the
impact
of
hydrological
conditions
on
microorganisms
is
not
well
understood.
This
study
investigated
effects
wetted
state
(WS);
wetting–drying
(WDS);
dried
(DS)
diversity
bacteria,
fungi,
archaea.
Shannon
index
bacterial
was
significantly
different
various
flooding
(p
>
0.05),
however,
fungal
archaeal
communities
were
<
0.05).
Significant
differences
found
beta
bacterial,
fungal,
Additionally,
composition
archaea
varied.
Bacteria
predominantly
composed
Proteobacteria
Actinobacteria,
fungi
mainly
consisted
Ascomycota
Mucoromycota,
primarily
represented
by
Crenarchaeota
Euryarchaeota.
exhibited
correlations
with
vegetation
coverage,
plant
diversity,
aboveground
biomass.
pH
influenced
communities,
while
bulk
density,
moisture,
carbon,
nitrogen,
community
impacted
communities.
provides
a
scientific
basis
for
understanding
microbial
Huihe
Nature
Reserve;
highlighting
their
relationship
properties,
offers
insights
ecological
protection
wetland.
Environmental Technology & Innovation,
Год журнала:
2023,
Номер
32, С. 103378 - 103378
Опубликована: Сен. 27, 2023
Rhamnolipids
have
been
extensively
studied
for
the
remediation
of
soils
contaminated
with
petroleum
hydrocarbons.
However,
literature
on
effects
rhamnolipids
soil
microenvironment
is
scarce.
In
this
study,
we
adopted
a
drip
irrigation
technique
to
apply
rhamnolipid
solution
planted
cotton
in
saline
desert
area.
The
results
showed
that
addition
increased
organic
matter
by
5.0–31.6%
and
reduced
electrical
conductivity
0.3–42.4%.
Additionally,
it
improved
nutrient
conditions,
reshaped
composition
function
microbial
community
rhizosphere
soil,
ultimately
promoted
growth
3.3
–
9.0%.
Simultaneously,
enriched
diversity
bacterial
community.
Although
fungal
communities,
optimized
structure
fungi.
It
worth
noting
higher
concentrations
may
toxic
fungi,
mechanism
which
unknown.
These
findings
shed
new
light
understanding
microorganisms
provide
direction
sustainable
agricultural
production.
