Ecological Indicators,
Год журнала:
2022,
Номер
139, С. 108900 - 108900
Опубликована: Май 18, 2022
Soils
harbor
an
enormous
organism
which
provide
multiple
ecosystem
functions
in
the
terrestrial
ecosystem.
However,
potential
effects
of
soil
biodiversity
on
multifunctionality
(multiple
simultaneously
provided
by
soil)
have
not
been
investigated
thoroughly
ecosystems.
Along
forest-steppe
ecotone,
we
evaluated
generic
richness
and
composition
bacteria,
fungi
nematode
communities
meadow
steppe,
transition
zone
birch
forest
assessed
their
relative
contributions
to
at
both
regional
local
scales.
Our
results
showed
that
community
organisms
played
important
roles
maintaining
(multidimensional
measure
approach).
The
was
more
scale
(the
whole
transect)
than
(within
individual
ecosystem),
could
contribute
indirectly
changing
composition.
bacterivores
fungivores
(microbivores)
intermediate
trophic
level
had
strongest
influence
suggesting
position
also
determining
multifunctionality.
findings
emphasize
importance
assessing
relations
from
multitrophic
levels,
implications
for
conservation
management
ecotone.
Eco-Environment & Health,
Год журнала:
2022,
Номер
1(4), С. 259 - 279
Опубликована: Дек. 1, 2022
After
the
Industrial
Revolution,
ever-increasing
atmospheric
CO2
concentration
has
resulted
in
significant
problems
for
human
beings.
Nearly
all
countries
world
are
actively
taking
measures
to
fight
carbon
neutrality.
In
recent
years,
negative
emission
technologies
have
attracted
much
attention
due
their
ability
reduce
or
recycle
excess
atmosphere.
This
review
summarizes
state-of-the-art
technologies,
from
artificial
enhancement
of
natural
sink
technology
physical,
chemical,
biological
methods
capture,
as
well
utilization
and
conversion.
Finally,
we
expound
on
challenges
outlook
improving
accelerate
pace
achieving
Frontiers in Microbiology,
Год журнала:
2022,
Номер
13
Опубликована: Июль 27, 2022
The
continuous
application
of
chemical
fertilizers
in
vegetable
cropping
has
led
to
deterioration
the
soil
environment
and
reduced
yield
quality.
objective
this
study
was
evaluate
effect
combining
bio-organic
on
cauliflower
yield,
biochemical
properties,
bacterial
community.
Six
treatments
were
established:
no
fertilizer
(CK,
control),
(CF,
conventional
dosage
for
region),
balanced
fertilization
(BF,
30%
reduction
fertilizers),
plus
3,000,
6,000,
or
12,000
kg.ha
–1
(Lvneng
Ruiqi
Biotechnology
Co.,
Ltd.,
Gansu,
China)
(BF
+
OF1,
BF
OF2,
OF3,
respectively).
A
two-season
field
experiment
with
conducted
under
different
irrigation
districts
along
Yellow
River,
Northwest
China.
results
indicate
that
organic
matter,
total
potassium
content,
enzyme
activity
generally
higher
than
those
CF
treatment.
Compared
treatment,
treatment
increased
matter
relative
abundance.
Moreover,
alpha-diversity
fertilization.
predominant
phyla,
including
Proteobacteria,
Actinobacteria,
Gemmatimonadetes,
Chloroflexi,
main
contributors
microbiome
shift,
as
demonstrated
by
their
remarkable
enrichment
OF2
OF3
treatments.
Furthermore,
Pearson
correlation
analyses
show
significant
correlations
among
available
P
K,
electrical
conductivity,
abundance
potentially
beneficial
microbial
groups,
such
genera
Massilia,
Bacillus
,
Lysobacter
Nitrosospira
.
Overall,
suggests
are
essential
ensure
fertility
long-term
sustainable
green
productivity.
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Апрель 14, 2022
Soil
microorganisms
are
the
key
driver
of
geochemical
cycle
in
forest
ecosystem.
Changes
litter
and
roots
can
affect
soil
microbial
activities
nutrient
cycling;
however,
impact
this
change
on
community
composition
function
remain
unclear.
Here,
we
explored
effects
root
manipulations
[control
(CK),
doubled
input
(DL),
removal
(NL),
exclusion
(NR),
a
combination
(NI)]
bacterial
fungal
communities
functional
groups
during
2-year
field
experiment,
using
illumina
HiSeq
sequencing
coupled
with
prediction
platform
PICRUSt
FUNGuild.
Our
results
showed
that
decreased
diversity
bacteria
fungi
(AEC,
Shannon,
Chao1).
The
under
different
treatments
were
dominated
by
phyla
Proteobacteria,
Acidobacteria,
Actinomycetes,
NL
NR
reduced
relative
abundance
first
two
phyla.
For
communities,
Basidiomycetes,
Ascomycota,
Mortierellomycota
dominant
DL
increased
while
Ascomycota.
We
also
found
altered
related
to
metabolism
cofactors
vitamins,
lipid
metabolism,
biosynthesis
other
secondary
metabolites,
environmental
adaptation,
cell
growth,
death.
including
ectomycorrhizal,
ectomycorrhizal-orchid
mycorrhizal
root-associated
biotrophs
saprotrophs
among
treatments.
organic
carbon
(SOC),
pH,
water
content
important
factors
driving
changes
respectively.
demonstrate
plant
detritus
structure
affecting
physicochemical
factors,
which
provides
data
for
understanding
material
ecosystems
global
change.
Global Change Biology,
Год журнала:
2022,
Номер
28(22), С. 6629 - 6639
Опубликована: Авг. 27, 2022
Plant
and
microbial
diversity
are
key
to
determine
ecosystem
functioning.
Despite
the
well-known
role
of
local-scale
α
in
affecting
vegetation
biomass,
effects
community
heterogeneity
(β
diversity)
plants
soil
microbes
on
above-
belowground
biomass
(AGB
BGB)
across
contrasting
environments
still
remain
unclear.
Here,
we
conducted
a
dryness-gradient
transect
survey
over
3000
km
grasslands
Tibetan
Plateau.
We
found
that
plant
β
was
more
dominant
than
maintaining
higher
levels
AGB,
while
fungal
driver
enhancing
BGB.
However,
these
positive
AGB
BGB
were
strongly
weakened
by
increasing
climatic
dryness,
mainly
because
available
phosphorus
caused
dryness
reduced
both
diversities.
Overall,
new
findings
highlight
critical
sustaining
grassland
raising
our
awareness
ecological
risks
large-scale
biotic
homogenization
under
future
climate
change.
