Knowledge
on
the
trophic
niche
of
animal
species
is
important
for
understanding
their
coexistence
and
hence
diversity.
Trophic
niches
have
been
shown
to
vary
with
environmental
conditions,
but
consequences
shifts
food-web
structure
functioning
little
studied
this
applies
in
particular
belowground
communities.
Here,
using
stable
isotopes
(15N,
13C),
we
investigated
oribatid
mites
as
model
soil
taxon
along
elevational
gradients
two
mountain
ranges
Eurasia,
Alps
Austria
Changbai
Mountain
China.
The
results
showed
pronounced
differences
use
basal
resources
(Δ13C
values)
positions
(Δ15N
between
mountains
due
different
parent
rock
calcareous
soils
basalt
bedrock
Mountain.
Further,
changed
altitude,
primarily
related
changes
litter
quality.
Differences
were
functional
traits
such
body
mass
reproductive
mode.
Generally,
isotope
values
closely
correlated
underlining
importance
morphological
characteristics
well
variations
niches.
Moreover,
differed
parthenogenetic
sexual
species,
depended
rock,
higher
plasticity
Overall,
our
findings
highlight
decisive
role
structuring
montane
food
webs
provide
novel
insight
into
factors
responsible
invertebrates.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Feb. 3, 2023
Abstract
Although
soil
ecology
has
benefited
from
recent
advances
in
describing
the
functional
and
trophic
traits
of
organisms,
data
reuse
for
large-scale
food-web
reconstructions
still
faces
challenges.
These
obstacles
include:
(1)
most
on
interactions
feeding
behaviour
organisms
being
scattered
across
disparate
repositories,
without
well-established
standard
structuring
datasets;
(2)
existence
various
competing
terms,
rather
than
consensus,
to
delineate
feeding-related
concepts
such
as
diets,
groups,
processes,
resource
types,
leading
ambiguities
that
hinder
meaningful
integration
different
studies;
(3)
considerable
divergence
classification
numerous
or
even
lack
classifications,
discrepancies
resolution
reconstructed
food
webs
complicating
comparison
models
within
synthetic
studies.
To
address
these
issues,
we
introduce
Soil
Food
Web
Ontology,
a
novel
formal
conceptual
framework
designed
foster
agreement
organisms.
This
ontology
represents
collaborative
ongoing
endeavour
aimed
at
establishing
consensus
definitions
array
relevant
ecology.
Its
primary
objective
is
enhance
accessibility,
interpretation,
combination,
reuse,
automated
processing
data.
By
harmonising
terminology
fundamental
principles
ecology,
anticipate
Ontology
will
improve
knowledge
management
field.
It
help
ecologists
better
harness
existing
information
regarding
behaviours
facilitate
more
robust
streamline
reconstruction
webs,
ultimately
render
research
inclusive,
reusable
reproducible.
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 9, 2023
Abstract
The
rewilding
of
modern
agriculture
is
challenged
by
our
current
uncertainties
on
the
microbiome
major
crop
wild
progenitors
(CWPs).
Here,
we
conducted
first
global
standardised
field
survey
to
investigate
edaphoclimatic
conditions
and
soil
125
populations
associated
with
10
most
important
CWPs
at
their
centres
origin.
clustered
into
four
ecoregions,
ranging
from
deserts
tropical
seasonal
forests
savannas,
shaped
two
dimensions
that
distinguished
areas
high
sand
contents
scarce
micronutrients
more
fertile
ecoregions
characterised
variations
in
aridity,
pH
carbon
storage
potential.
We
identified
a
common
core
differentiated
assemblages
across
driven
varying
environmental
preferences
among
biodiversity
kingdoms,
which
reflects
potential
shifts
functional
profiles.
created
unique
microhabitats
within
strongly
influenced
community
assembly,
indicating
specific
co-evolutionary
interactions.
These
insights
evolutionary
origins
domesticated
crops
hold
advance
microbial-assisted
breeding
croplands
globe.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(10), P. 3362 - 3377
Published: April 17, 2024
Abstract
Maintaining
soil
biological
diversity
is
an
effective
approach
in
facilitating
Chinese
fir
plantations'
sustainable
development.
However,
dynamic
characteristics
of
microbial
and
nematode
communities
during
planting
remain
unclear,
particularly
on
the
aggregate
scales,
which
are
main
sites
activity.
Therefore,
research
aims
to
explore
how
stand
age
(3,
9,
17,
26
years)
plantations
affects
biomass
(including
bacteria,
fungi,
actinomycetes,
based
phospholipid
fatty
acid
method),
abundances
bacterivores,
fungivores,
plant
parasites,
omnivores‐predators,
modified
Baermann
funnel
their
within
aggregates
differing
sizes
(>2,
2–1,
1–0.25,
<0.25
mm).
According
findings,
both
size
were
major
factors
affecting
microbes
nematodes
plantations.
Specifically,
(mainly
bacteria),
(except
fungivores),
peaked
large
macro‐aggregates
(>2
mm),
ranking
order
for
ages
was
17
>
9
≈
3
years.
As
fractions
plantations,
had
suitable
internal
environments
propagation
growth
mainly
accumulated
at
years,
caused
prosperity
this
age.
Moreover,
partial
least
squares
path
model
demonstrated
that
influence
indirect;
but
rather,
composition
played
a
direct
role
shaping
communities.
maintain
diversity,
should
be
protected
fir,
especially
late
stage
(from
years).
Overall,
these
results
could
provide
valuable
insights
into
European Journal of Soil Biology,
Journal Year:
2024,
Volume and Issue:
122, P. 103665 - 103665
Published: Aug. 27, 2024
Methane,
the
primary
substrate
for
aerobic
methanotrophs,
regulates
rate
of
methanotrophic
activity
and
shapes
composition
methane-oxidizing
community.
Given
that
methane-derived
carbon
may
fuel
food
web
in
soil,
methane
availability
can
potentially
be
a
key
determinant,
structuring
network
interacting
Here,
we
determined
response
methane-driven
interaction
to
different
concentrations
(∼1.5
%v/v,
3
7
%v/v),
indicative
levels
energy
flow
through
soil
web,
using
stable
isotope
probing
approach
with
13C-methane
coupled
co-occurrence
analysis
microcosm
study.
The
accumulated
13C-atom
fraction
total
content
increased
from
1.08
%
(background
level)
an
average
7.2
incubation
under
%v/v
methane,
indicating
carbon-flow
via
methanotrophs
significantly
contribute
rice
paddy
soil.
13C-enriched
16
S
rRNA
gene
sequencing
revealed
predominance
gammaproteobacterial
Methylocystis.
actively
growing
(13C-labelled)
bacterial
community
was
dissimilar
∼3
than
1.5
methane.
This
also
reflected
analysis,
where
topological
properties
indicated
more
complex
connected
It
thus
appears
moderate
fostered
closer
associations
among
members
Overall,
our
research
findings
showed
carbon,
not
only
shifted
community,
including
composition,
but
affected
interactions.
Basic and Applied Ecology,
Journal Year:
2024,
Volume and Issue:
80, P. 101 - 107
Published: Sept. 2, 2024
Soil
food
webs
were
long
considered
an
ecosystem
sink
for
primary
production
and
a
black
box
of
reticulated
interactions.
Quantification
multiple
changing
interactions
among
consumers
resources
within
beyond
soil
stands
up
as
major
challenge.
In
this
mini-review/opinion
paper,
I
present
development
ideas
on
food-web
structure
focusing
resource
omnivory
–
central
characteristic
that
is
linked
to
stability.
There
plenty
empirical
evidence
trophic
differentiation
invertebrates
along
different
dimensions
(food
resources,
levels,
microhabitats,
time).
This
comes
with
the
pervasive
idea
widespread
in
webs.
argue
we
need
quantitatively
assess
multiple-resource
feeding
by
related
drivers
across
various
taxa
types
come
closer
predictions
dynamics.
At
meta-ecosystem
level,
cross-ecosystem
(i.e.
energy
fluxes
from
ecosystems)
plays
important
role
connecting
aboveground
aquatic
Aboveground-belowground
studies
have
been
interfaces
such
rhizosphere
litter
surface.
Broader
cascading
impacts
organismic
these
recipient
are,
however,
less
understood.
Of
particular
interest
here
are
connections
vertebrate
communities
soil-borne
insects
exchange.
Interactions
between
span
dozens
hundreds
meters
terrestrial-aquatic
interface,
transferring
significant
amount
matter
ecosystems.
Consequent
changes
functioning
requires
more
attention,
especially
how
biodiversity-ecosystem
relationships
manifest
Continuously
developing
methods,
compound-specific
isotopic
analyses,
can
facilitate
quantification
omnivory,
helping
understand
effects
borders.
Overall,
open
dynamic
pool
call
quantitative
direction.
