Molecular Ecology,
Journal Year:
2016,
Volume and Issue:
25(18), P. 4660 - 4673
Published: Aug. 3, 2016
Biogeochemical
processes
and
ecosystemic
functions
are
mostly
driven
by
soil
microbial
communities.
However,
most
methods
focus
on
evaluating
the
total
community
fail
to
discriminate
its
active
fraction
which
is
linked
functionality.
Precisely,
activity
of
strongly
limited
availability
organic
carbon
(C)
in
soils
under
arid
semi-arid
climate.
Here,
we
provide
a
complementary
genomic
metaproteomic
approach
investigate
relationships
between
diversity
community,
ecosystem
functionality
across
dissolved
(DOC)
gradient
southeast
Spain.
DOC
correlated
with
multifunctionality
index
composed
respiration,
enzyme
activities
(urease,
alkaline
phosphatase
β-glucosidase)
biomass
(phospholipid
fatty
acids,
PLFA).
This
study
highlights
that
(determined
metaprotoemics)
but
not
whole
(evaluated
amplicon
gene
sequencing)
related
C
it
also
connected
index.
We
reveal
shapes
bacterial
fungal
populations
Mediterranean
determines
compartmentalization
functional
niches.
For
instance,
Rhizobales
thrived
at
high-DOC
sites
probably
fuelled
metabolism
one-C
compounds.
Moreover,
analysis
proteins
involved
transport
carbohydrates
revealed
Ascomycota
Basidiomycota
occupied
different
nutritional
The
mechanisms
for
niche
specialization
were
constant
gradient.
Ecological Monographs,
Journal Year:
2016,
Volume and Issue:
86(3), P. 373 - 390
Published: May 11, 2016
Abstract
Despite
the
vital
role
of
microorganisms
for
ecosystem
functioning
and
human
welfare,
our
understanding
their
global
diversity
biogeographical
patterns
lags
significantly
behind
that
plants
animals.
We
conducted
a
meta‐analysis
including
~600
soil
samples
from
all
continents
to
evaluate
drivers
bacterial
in
terrestrial
ecosystems
at
scale.
Similar
what
has
been
found
with
animals,
bacteria
Southern
Hemisphere
decreased
equator
Antarctica.
However,
showed
similar
levels
across
Northern
Hemisphere.
The
composition
communities
followed
dissimilar
between
hemispheres,
as
Hemispheres
were
dominated
by
Actinobacteria
Acidobacteria,
respectively.
Proteobacteria
was
co‐dominant
both
hemispheres.
Moreover,
we
decrease
altitude.
Climatic
features
(e.g.,
high
diurnal
temperature
range
low
temperature)
correlated
lower
elevations,
but
geographical
gradients
total
carbon
species
turnover
important
observed
latitudinal
patterns.
thus
parallels
differences
aboveground
vs.
diversity.
Our
findings
support
previous
studies
highlighted
pH
,
spatial
influence,
organic
matter
composition.
Furthermore,
results
provide
novel
integrative
view
how
climate
factors
influence
scale,
which
is
critical
improve
earth
system
simulation
models
formulating
sustainable
management
conservation
policies.
Functional Ecology,
Journal Year:
2017,
Volume and Issue:
31(12), P. 2330 - 2343
Published: June 20, 2017
Abstract
Soil
microbes
provide
multiple
ecosystem
functions
such
as
nutrient
cycling,
decomposition
and
climate
regulation.
However,
we
lack
a
quantitative
understanding
of
the
relative
importance
microbial
richness
composition
in
controlling
multifunctionality.
This
knowledge
gap
limits
our
capacity
to
understand
influence
biotic
attributes
provision
services
on
which
humans
depend.
We
used
two
independent
approaches
(i.e.
experimental
observational),
applied
statistical
modelling
identify
role
bacterial
driving
multifunctionality
(here
defined
seven
measures
respiration
enzyme
activities).
In
observational
study,
measured
soil
communities
both
tree‐
bare
soil‐dominated
microsites
at
22
locations
across
1,200
km
transect
southeastern
Australia.
study
soils
from
those
developed
gradients
diversity
through
inoculation
sterilized
soils.
Microbial
abundance
Gammaproteobacteria,
Actinobacteria,
Bacteroidetes
were
positively
related
approaches;
however,
only
was
consistently
selected
key
predictor
all
models
here.
Moreover,
results,
different
approaches,
evidence
that
are
important,
yet
independent,
drivers
functions.
Overall,
findings
advance
mechanisms
underpinning
relationships
between
functionality
terrestrial
ecosystems,
further
suggest
information
needs
be
considered
when
formulating
sustainable
management
conservation
policies,
predicting
effects
global
change
A
plain
language
summary
is
available
for
this
article.
Molecular Ecology,
Journal Year:
2016,
Volume and Issue:
25(18), P. 4660 - 4673
Published: Aug. 3, 2016
Biogeochemical
processes
and
ecosystemic
functions
are
mostly
driven
by
soil
microbial
communities.
However,
most
methods
focus
on
evaluating
the
total
community
fail
to
discriminate
its
active
fraction
which
is
linked
functionality.
Precisely,
activity
of
strongly
limited
availability
organic
carbon
(C)
in
soils
under
arid
semi-arid
climate.
Here,
we
provide
a
complementary
genomic
metaproteomic
approach
investigate
relationships
between
diversity
community,
ecosystem
functionality
across
dissolved
(DOC)
gradient
southeast
Spain.
DOC
correlated
with
multifunctionality
index
composed
respiration,
enzyme
activities
(urease,
alkaline
phosphatase
β-glucosidase)
biomass
(phospholipid
fatty
acids,
PLFA).
This
study
highlights
that
(determined
metaprotoemics)
but
not
whole
(evaluated
amplicon
gene
sequencing)
related
C
it
also
connected
index.
We
reveal
shapes
bacterial
fungal
populations
Mediterranean
determines
compartmentalization
functional
niches.
For
instance,
Rhizobales
thrived
at
high-DOC
sites
probably
fuelled
metabolism
one-C
compounds.
Moreover,
analysis
proteins
involved
transport
carbohydrates
revealed
Ascomycota
Basidiomycota
occupied
different
nutritional
The
mechanisms
for
niche
specialization
were
constant
gradient.