Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: July 23, 2022
Abstract
Biodiversity
is
crucial
for
the
provision
of
ecosystem
functions.
However,
ecosystems
are
now
exposed
to
a
rapidly
growing
number
anthropogenic
pressures,
and
it
remains
unknown
whether
biodiversity
can
still
promote
functions
under
multifaceted
pressures.
Here
we
investigated
effects
soil
microbial
diversity
on
properties
when
faced
with
an
increasing
simultaneous
global
change
factors
in
experimental
microcosms.
Higher
had
positive
effect
no
or
few
(i.e.,
1–4)
were
applied,
but
this
was
eliminated
by
co-occurrence
numerous
factors.
This
attributable
reduction
fungal
abundance
relative
ecological
cluster
coexisting
bacterial
taxa.
Our
study
indicates
that
reducing
pressures
should
be
goal
management,
addition
conservation.
Proceedings of the National Academy of Sciences,
Journal Year:
2019,
Volume and Issue:
116(14), P. 6891 - 6896
Published: March 15, 2019
Belowground
organisms
play
critical
roles
in
maintaining
multiple
ecosystem
processes,
including
plant
productivity,
decomposition,
and
nutrient
cycling.
Despite
their
importance,
however,
we
have
a
limited
understanding
of
how
why
belowground
biodiversity
(bacteria,
fungi,
protists,
invertebrates)
may
change
as
soils
develop
over
centuries
to
millennia
(pedogenesis).
Moreover,
it
is
unclear
whether
changes
during
pedogenesis
are
similar
the
patterns
observed
for
aboveground
diversity.
Here
evaluated
resource
availability,
stoichiometry,
soil
abiotic
factors
driving
across
16
chronosequences
(from
millennia)
spanning
wide
range
globally
distributed
types.
Changes
followed
two
main
patterns.
In
lower-productivity
ecosystems
(i.e.,
drier
colder),
increases
tracked
cover.
more
productive
wetter
warmer),
increased
acidification
was
associated
with
declines
biodiversity.
diversity
bacteria,
invertebrates
were
strongly
positively
correlated
worldwide,
highlighting
that
shares
ecological
drivers
develop.
general,
temporal
not
correlated,
challenging
common
perception
should
follow
those
development.
Taken
together,
our
findings
provide
evidence
predictable
major
types
suggest
shifts
cover
development
millennia.
Scientific Data,
Journal Year:
2020,
Volume and Issue:
7(1)
Published: July 13, 2020
Fungi
are
key
players
in
vital
ecosystem
services,
spanning
carbon
cycling,
decomposition,
symbiotic
associations
with
cultivated
and
wild
plants
pathogenicity.
The
high
importance
of
fungi
processes
contrasts
the
incompleteness
our
understanding
patterns
fungal
biogeography
environmental
factors
that
drive
those
patterns.
To
reduce
this
gap
knowledge,
we
collected
validated
data
published
on
composition
soil
communities
terrestrial
environments
including
plant-associated
habitats
made
them
publicly
accessible
through
a
user
interface
at
https://globalfungi.com
.
GlobalFungi
database
contains
over
600
million
observations
sequences
across
>
17
000
samples
geographical
locations
additional
metadata
contained
178
original
studies
millions
unique
nucleotide
(sequence
variants)
internal
transcribed
spacers
(ITS)
1
2
representing
species
genera.
study
represents
most
comprehensive
atlas
global
distribution,
it
is
framed
such
way
third-party
addition
possible.
mSystems,
Journal Year:
2021,
Volume and Issue:
6(2)
Published: March 23, 2021
The
relationships
between
soil
biodiversity
and
ecosystem
functions
are
an
important
yet
poorly
understood
topic
in
microbial
ecology.
This
study
presents
exploratory
effort
to
gain
predictive
understanding
of
the
factors
driving
diversity
potential
nutrient
cycling
complex
terrestrial
ecosystems.
mSystems,
Journal Year:
2020,
Volume and Issue:
5(3)
Published: June 29, 2020
Maintaining
stability
of
ecosystem
functions
in
the
face
global
change
calls
for
a
better
understanding
regulatory
factors
functionally
specialized
microbial
groups
and
their
population
response
to
disturbance.
In
this
study,
we
explored
issue
by
collecting
soils
from
54
managed
ecosystems
China
conducting
microcosm
experiment
link
disturbance,
elemental
stoichiometry,
genetic
resistance.
Soil
carbon:nitrogen:phosphorus
(C:N:P)
stoichiometry
imparted
greater
effect
on
abundance
associated
with
main
C,
N,
P
biogeochemical
processes
comparison
mean
annual
temperature
precipitation.
Nitrogen
cycling
genes,
including
bacterial
amoA-b,
nirS,
narG,
norB,
exhibited
highest
resistance
N
deposition.
The
amoA-a
nosZ
genes
warming
drying-wetting
cycles,
respectively.
total
contents
ratios
had
strong
direct
groups,
which
was
dependent
Specifically,
soil
C/P
ratio
predictor
C
were
predictors
deposition,
warming,
drying-wetting.
Overall,
our
work
highlights
importance
stoichiometric
balance
maintaining
ability
withstand
change.IMPORTANCE
To
be
effective
predicting
future
context
various
external
disturbances,
it
is
necessary
follow
effects
microbes
related
nutrient
cycling.
Our
study
represents
an
exploratory
effort
couple
drivers
populations
resistances
change.
involved
cellulose,
starch,
xylan
degradation,
nitrification,
fixation,
denitrification,
organic
mineralization,
inorganic
dissolution
showed
high
dependency.
Resistance
these
could
predicted
C:N:P
stoichiometry.
that
nutrients
instrumental
adaptability
under
Theoretical
and
empirical
advances
have
revealed
the
importance
of
biodiversity
for
stabilizing
ecosystem
functions
through
time.
Despite
global
degradation
soils,
whether
loss
soil
microbial
diversity
can
destabilize
functioning
is
poorly
understood.
Here,
we
experimentally
quantified
contribution
fungal
bacterial
communities
to
temporal
stability
four
key
related
biogeochemical
cycling.
Microbial
enhanced
all
this
pattern
was
particularly
strong
in
plant-soil
mesocosms
with
reduced
richness
where
over
50%
taxa
were
lost.
The
effect
linked
asynchrony
among
whereby
different
fungi
bacteria
promoted
at
times.
Our
results
emphasize
need
conserve
provisioning
multiple
that
soils
provide
society.
Global Change Biology,
Journal Year:
2022,
Volume and Issue:
28(21), P. 6446 - 6461
Published: July 29, 2022
Abstract
Soil
microbes
make
up
a
significant
portion
of
the
genetic
diversity
and
play
critical
role
in
belowground
carbon
(C)
cycling
terrestrial
ecosystems.
microbial
organic
C
are
often
tightly
coupled
processes;
however,
this
coupling
can
be
weakened
or
broken
by
rapid
global
change.
A
meta‐analysis
was
performed
with
1148
paired
comparisons
extracted
from
229
articles
published
between
January
1998
December
2021
to
determine
how
nitrogen
(N)
fertilization
affects
relationship
soil
content
We
found
that
N
decreased
bacterial
(−11%)
fungal
(−17%),
but
increased
(SOC)
(+19%),
biomass
(MBC)
(+17%),
dissolved
(DOC)
(+25%)
across
different
Organic
(urea)
had
greater
effect
on
SOC,
MBC,
DOC,
than
inorganic
fertilization.
Most
importantly,
increasing
absolute
values
correlation
coefficients
rate
duration,
suggesting
linkage
diversity.
The
might
negatively
impact
essential
ecosystem
services
under
high
rates
fertilization;
understanding
is
important
for
mitigating
negative
enrichment
cycling.
