Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Aug. 19, 2023
Grazing
by
domestic
herbivores
is
the
most
widespread
land
use
on
planet,
and
also
a
major
global
change
driver
in
grasslands.
Yet,
experimental
evidence
long-term
impacts
of
livestock
grazing
biodiversity
function
largely
lacking.
Here,
we
report
results
from
network
10
sites
paired
grazed
ungrazed
grasslands
across
an
aridity
gradient,
including
some
largest
remaining
native
planet.
We
show
that
partly
explains
responses
multifunctionality
to
grazing.
greatly
reduced
steppes
with
higher
aridity,
while
had
no
effects
relatively
lower
aridity.
Moreover,
found
further
changed
capacity
above-
below-ground
explain
multifunctionality.
Thus,
plant
diversity
was
positively
correlated
excluded
livestock,
soil
Together,
our
cross-site
experiment
reveals
depend
levels,
more
arid
experiencing
negative
ecosystem
highlight
fundamental
importance
conserving
for
protecting
Nature Communications,
Journal Year:
2019,
Volume and Issue:
10(1)
Published: Oct. 24, 2019
Abstract
The
soil
microbiome
is
highly
diverse
and
comprises
up
to
one
quarter
of
Earth’s
diversity.
Yet,
how
such
a
functionally
complex
influences
ecosystem
functioning
remains
unclear.
Here
we
manipulated
the
in
experimental
grassland
ecosystems
observed
that
diversity
microbial
network
complexity
positively
influenced
multiple
functions
related
nutrient
cycling
(e.g.
multifunctionality).
Grassland
microcosms
with
poorly
developed
networks
reduced
richness
had
lowest
multifunctionality
due
fewer
taxa
present
support
same
function
(redundancy)
lower
different
(reduced
functional
uniqueness).
Moreover,
explained
pointing
significance
communities.
These
findings
indicate
importance
interactions
within
among
fungal
bacterial
communities
for
enhancing
performance
demonstrate
extinction
ecological
associations
belowground
can
impair
functioning.
Science Advances,
Journal Year:
2020,
Volume and Issue:
6(4)
Published: Jan. 24, 2020
Protists
are
ubiquitous
in
soil,
where
they
key
contributors
to
nutrient
cycling
and
energy
transfer.
However,
protists
have
received
far
less
attention
than
other
components
of
the
soil
microbiome.
We
used
amplicon
sequencing
soils
from
180
locations
across
six
continents
investigate
ecological
preferences
their
functional
contributions
belowground
systems.
complemented
these
analyses
with
shotgun
metagenomic
46
validate
identities
more
abundant
protist
lineages.
found
that
most
dominated
by
consumers,
although
parasites
phototrophs
particularly
tropical
arid
ecosystems,
respectively.
The
best
predictors
composition
(primarily
annual
precipitation)
fundamentally
distinct
those
shaping
bacterial
archaeal
communities
(namely,
pH).
Some
bacteria
co-occur
globally,
highlighting
potential
importance
largely
undescribed
interactions.
Together,
this
study
allowed
us
identify
living
our
work
providing
a
cross-ecosystem
perspective
on
factors
structuring
likely
functioning.
Microbiome,
Journal Year:
2019,
Volume and Issue:
7(1)
Published: Feb. 27, 2019
Agricultural
food
production
is
at
the
base
of
and
fodder,
with
fertilization
having
fundamentally
continuously
increased
crop
yield
over
last
decades.
The
performance
crops
intimately
tied
to
their
microbiome
as
they
together
form
holobionts.
importance
for
plant
is,
however,
notoriously
ignored
in
agricultural
systems
disconnects
dependency
plants
often
plant-beneficial
microbial
processes.
Moreover,
we
lack
a
holistic
understanding
how
regimes
affect
soil
microbiome.
Here,
examined
effect
2-year
regime
(no
nitrogen
control,
fertilization,
plus
straw
amendment)
on
entire
microbiomes
(bacteria,
fungi,
protist)
three
common
types
cropped
maize
two
seasons.We
found
that
application
fertilizers
more
strongly
affected
protist
than
bacterial
fungal
communities.
Nitrogen
indirectly
reduced
diversity
through
changing
abiotic
properties
communities
which
differed
between
sampling
seasons.
fertilizer
amendment
had
greater
effects
physicochemical
addition
alone.
even
straw,
network
complexity,
suggesting
tightened
interactions.Together,
our
results
suggest
protists
are
most
susceptible
component
fertilizers.
As
also
exhibit
strongest
seasonal
dynamics,
serve
sensitive
bioindicators
changes.
Changes
might
have
long-term
if
some
key
hubs
govern
complexities
top
predators
altered.
This
study
serves
stepping
stone
promote
promising
agents
targeted
engineering
help
reducing
exogenous
unsustainably
high
pesticide
applications.
Environmental Technology & Innovation,
Journal Year:
2022,
Volume and Issue:
27, P. 102408 - 102408
Published: Feb. 12, 2022
Environmental
pollution
of
microplastics
(MPs)
is
known
to
be
anthropogenically
mediated
menace
biosphere
and
becoming
a
debatable
concern
globally.
Large
quantities
plastic
fragments
are
left
behind
after
crop
cultivation.
The
leftover
debris,
gradually
degrade
into
minute
with
diameter
less
than
5
mm,
as
MPs.
MPs
responsible
for
many
changes
in
the
soil
physicochemical
characteristics,
including
porosity,
enzymatic
activities,
microbial
plant
growth,
yield.
Because
their
ubiquitous
nature,
high
specific
surface
area
strong
hydrophobicity,
play
an
important
role
transportation
toxic
chemicals
such
plasticisers,
polycyclic
aromatic
hydrocarbons
(PAHs),
antibiotics,
potentially
elements
(PTEs).
may
transported
deep
can
pollute
underground
water.
This
review
paper
investigates
deleterious
effects
on
environment,
microbes,
flora,
fauna
production,
highlights
general
concept
contamination
well
its
possible
environmental
consequences.
also
converses
some
key
areas
future
research
stakeholders
concerned
policymaking
Microbiome,
Journal Year:
2020,
Volume and Issue:
8(1)
Published: March 3, 2020
Abstract
Background
Plant
health
is
intimately
influenced
by
the
rhizosphere
microbiome,
a
complex
assembly
of
organisms
that
changes
markedly
across
plant
growth.
However,
most
microbiome
research
has
focused
on
fractions
this
particularly
bacteria
and
fungi.
It
remains
unknown
how
other
microbial
components,
especially
key
predators—protists—are
linked
to
health.
Here,
we
investigated
holistic
including
bacteria,
eukaryotes
(fungi
protists),
as
well
functional
metabolism
genes.
We
these
communities
genes
throughout
growth
tomato
plants
either
developed
disease
symptoms
or
remained
healthy
under
field
conditions.
Results
found
pathogen
dynamics
best
predicted
protists.
More
specifically,
microbial-feeding
phagotrophic
protists
differed
between
later
diseased
at
establishment.
The
relative
abundance
phagotrophs
negatively
correlated
with
growth,
suggesting
predator-prey
interactions
influence
performance.
Furthermore,
likely
shifted
bacterial
functioning
enhancing
pathogen-suppressing
secondary
metabolite
involved
in
mitigating
success.
Conclusions
illustrate
importance
top-down
controllers
propose
perspective,
protists,
provides
optimal
next
step
predicting
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2022,
Volume and Issue:
97(3), P. 1057 - 1117
Published: Jan. 20, 2022
Soil
organisms
drive
major
ecosystem
functions
by
mineralising
carbon
and
releasing
nutrients
during
decomposition
processes,
which
supports
plant
growth,
aboveground
biodiversity
and,
ultimately,
human
nutrition.
ecologists
often
operate
with
functional
groups
to
infer
the
effects
of
individual
taxa
on
services.
Simultaneous
assessment
roles
multiple
is
possible
using
food-web
reconstructions,
but
our
knowledge
feeding
habits
many
insufficient
based
limited
evidence.
Over
last
two
decades,
molecular,
biochemical
isotopic
tools
have
improved
understanding
various
soil
organisms,
yet
this
still
be
synthesised
into
a
common
framework.
Here,
we
provide
comprehensive
review
consumers
in
soil,
including
protists,
micro-,
meso-
macrofauna
(invertebrates),
soil-associated
vertebrates.
We
integrated
existing
group
classifications
findings
gained
novel
methods
compiled
an
overarching
classification
across
focusing
key
universal
traits
such
as
food
resource
preferences,
body
masses,
microhabitat
specialisation,
protection
hunting
mechanisms.
Our
summary
highlights
strands
evidence
that
commonly
used
ecology
models
are
types
resources.
In
cases,
omnivory
observed
down
species
level
taxonomic
resolution,
challenging
realism
traditional
distinct
resource-based
energy
channels.
Novel
methods,
stable
isotope,
fatty
acid
DNA
gut
content
analyses,
revealed
previously
hidden
facets
trophic
relationships
consumers,
assimilation,
multichannel
levels,
niche
differentiation
importance
alternative
food/prey,
well
transfers
compartments.
Wider
adoption
development
open
interoperable
platforms
assemble
morphological,
ecological
data
will
enable
refinement
expansion
multifunctional
soil.
The
serve
reference
for
working
changes
biodiversity-ecosystem
functioning
relationships,
making
research
more
accessible
reproducible.