Genes,
Год журнала:
2024,
Номер
15(1), С. 107 - 107
Опубликована: Янв. 16, 2024
The
interplay
between
metal
contamination
and
climate
change
may
exacerbate
the
negative
impact
on
soil
microbiome
and,
consequently,
health
ecosystem
services.
We
assessed
response
of
microbial
community
a
heavy
metal-contaminated
when
exposed
to
short-term
(48
h)
variations
in
air
temperature,
humidity
or
ultraviolet
(UV)
radiation
absence
presence
Enchytraeus
crypticus
(soil
invertebrate).
Each
scenarios
simulated
significantly
altered
at
least
one
parameters
measured.
Irrespective
invertebrates,
effects
were
particularly
marked
upon
exposure
increased
temperature
alterations
moisture
levels
(drought
flood
scenarios).
observed
can
be
partly
explained
by
significant
properties
such
as
pH,
dissolved
organic
carbon,
water-extractable
metals,
which
for
all
comparison
standard
conditions.
occurrence
invertebrates
mitigated
some
impacts
community,
bacterial
abundance,
richness,
diversity,
metabolic
activity.
Our
findings
emphasize
importance
considering
change,
anthropogenic
pressures,
biotic
components
assess
terrestrial
ecosystems
develop
implement
effective
management
strategies.
Science,
Год журнала:
2022,
Номер
377(6613), С. 1440 - 1444
Опубликована: Сен. 22, 2022
Deadwood
is
a
large
global
carbon
store
with
its
size
partially
determined
by
biotic
decay.
Microbial
wood
decay
rates
are
known
to
respond
changing
temperature
and
precipitation.
Termites
also
important
decomposers
in
the
tropics
but
less
well
studied.
An
understanding
of
their
climate
sensitivities
needed
estimate
change
effects
on
pools.
Using
data
from
133
sites
spanning
six
continents,
we
found
that
termite
discovery
consumption
were
highly
sensitive
(with
increasing
>6.8
times
per
10°C
increase
temperature)-even
more
so
than
microbes.
Termite
greatest
tropical
seasonal
forests,
savannas,
subtropical
deserts.
With
tropicalization
(i.e.,
warming
shifts
climates),
will
likely
as
termites
access
Earth's
surface.
Environmental Science & Technology,
Год журнала:
2022,
Номер
56(21), С. 14937 - 14947
Опубликована: Май 3, 2022
In
recent
years,
it
has
been
increasingly
recognized
that
soil
animals
are
hidden
reservoirs
of
antibiotic
resistance
genes
(ARGs)
and
play
a
vital
role
in
spreading
ARGs
ecosystems.
However,
little
is
known
about
the
variation
among
different
food
web
effects
trophic
levels
land
uses
on
them.
We
characterized
resistomes
495
animal
samples
collected
from
six
regions
across
China,
including
two
uses.
A
total
265
were
detected
all
samples,
relative
abundances
significantly
higher
than
soils.
addition,
significant
differences
observed
groups.
Twelve
common
identified
groups,
accounting
for
17.4%
abundance.
positive
correlation
was
found
between
δ15N
values
(trophic
level)
abundance
animals.
The
arable
forest
land.
Changes
antibiotics
may
indirectly
affect
resistome
by
altering
ARGs.
This
study
suggests
risk
through
greater
Abstract
Forest
litter
decomposition
is
an
essential
component
of
global
carbon
and
nutrient
turnover.
Invertebrates
play
important
roles
in
decomposition,
but
the
regional
pattern
their
effects
poorly
understood.
We
examined
476
case
studies
across
93
sites
performed
a
meta‐analysis
to
estimate
invertebrates
on
forest
decomposition.
then
assessed
how
invertebrate
diversity,
climate
soil
pH
drive
variations
invertebrate‐mediated
found
that
(1)
contributions
are
1.4
times
higher
tropical
subtropical
forests
than
elsewhere,
with
overall
contribution
31%
decomposition;
(2)
termite
together
warm,
humid
acidic
environments
tropics
subtropics
positively
associated
by
invertebrates.
Our
results
demonstrate
significant
difference
mediating
among
regions.
demonstrate,
also,
significance
termites
driving
mass
loss
subtropics.
These
particularly
pertinent
where
change
human
disturbance
threaten
biodiversity
ecosystem
services
it
provides.
Annual Review of Ecology Evolution and Systematics,
Год журнала:
2024,
Номер
55(1), С. 133 - 155
Опубликована: Авг. 2, 2024
Deadwood
represents
a
significant
carbon
pool
and
unique
biodiversity
reservoir
in
forests
savannas
but
has
been
largely
overlooked
until
recently.
Storage
release
of
from
deadwood
is
controlled
by
interacting
decomposition
drivers
including
biotic
consumers
(animals
microbes)
abiotic
factors
(water,
fire,
sunlight,
freeze–thaw).
Although
previous
research
focused
mainly
on
forests,
we
synthesize
studies
across
diverse
ecosystems
with
woody
vegetation.
As
changing
climates
land-use
practices
alter
the
landscape,
expect
accelerating
variable
rates
inputs
outputs
pools.
Currently,
Earth
system
models
implicitly
represent
only
microbial
as
wood
decomposition;
show
that
many
other
influence
Forest
management
increasingly
recognize
an
important
contributor
to
forest
dynamics,
biodiversity,
budgets.
Together,
emerging
knowledge
modeling
suggests
growing
need
for
additional
contributions
storage
greenhouse
gas
emissions.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Год журнала:
2022,
Номер
97(6), С. 2023 - 2038
Опубликована: Июль 10, 2022
ABSTRACT
Plant
litter
is
the
major
source
of
energy
and
nutrients
in
stream
ecosystems
its
decomposition
vital
for
ecosystem
nutrient
cycling
functioning.
Invertebrates
are
key
contributors
to
instream
decomposition,
yet
quantification
their
effects
drivers
at
global
scale
remains
lacking.
Here,
we
systematically
synthesized
data
comprising
2707
observations
from
141
studies
assess
contribution
invertebrates
process
across
globe.
We
found
that
(1)
presence
enhanced
globally
by
an
average
74%;
(2)
initial
quality
water
physicochemical
properties
were
equal
invertebrate
on
while
not
affected
climatic
region,
mesh
size
coarse‐mesh
bags
or
mycorrhizal
association
plants
providing
leaf
litter;
(3)
was
greatest
during
early
stages
mass
loss
(0–20%).
Our
results,
besides
quantitatively
synthesizing
pattern
highlight
most
significant
rather
than
middle
late
stages,
support
inclusion
dynamic
models
streams
explore
mechanisms
impacts
terrestrial,
aquatic,
atmospheric
carbon
fluxes.
Litter
decomposition
by
microorganisms
and
animals
is
influenced
climate
has
been
found
to
be
higher
in
warm
wet
than
cold
dry
biomes.
We,
however,
hypothesized
that
the
macrofaunal
effect
on
should
increase
with
temperature
aridity
since
larger
are
more
tolerant
smaller
organisms.
This
hypothesis
was
supported
our
global
analysis
of
macrofauna
exclusion
studies.
Macrofauna
increased
litter
mass
loss
average
40%,
twofold
highest
previous
estimation
decomposition.
The
strongest
subtropical
deserts
where
faunal
had
not
considered
important.
Our
results
highlight
need
consider
animal
size
when
exploring
dependence
decomposition,
disproportionately
large
role
regulating
drylands.
new
realization
critical
for
understanding
element
cycling
face
warming
aridification.
Soil Biology and Biochemistry,
Год журнала:
2024,
Номер
191, С. 109324 - 109324
Опубликована: Янв. 22, 2024
Soil
food
webs
rely
on
both
brown
and
green
energy,
i.e.,
litter
material
root-derived
resources
such
as
exudates.
Earthworms
have
traditionally
been
viewed
macro-detritivores
fuelled
by
energy
playing
a
central
role
in
nutrient
cycling
belowground
flux.
However,
the
of
for
earthworm
nutrition
remains
controversial.
We
studied
dietary
contribution
from
different
plant
functional
groups
to
earthworms
using
bulk
compound-specific
stable
isotope
analyses
microcosm
experiment
with
five
species,
grasses
legumes
monoculture
mixture,
an
unplanted
control
preventing
leaf
entering
microcosms.
The
presence
plants
consistently
depleted
13C
values
species
suggesting
that
carbon
contributed
each
species.
response
15N
was
less
consistent,
which
is
line
assumption
fuel
soil
mainly
via
carbon-based
root
These
observations
were
corroborated
essential
amino
acids
most
tissue
incorporated
bacterial-
(∼60%)
plant-derived
(∼30%),
enhancing
incorporation
resources.
high
proportion
bacterial
consistent
relative
dominance
bacteria
experimental
suggests
serve
important
link
acquisition
it
open
question
whether
feed
directly
bacteria,
residues
or
nutritional
supplementation
gut
microorganisms.
Overall,
our
results
show
when
are
available,
earthworms,
macro-detritivores,
also
incorporate
these
being
assimilated
channel,
pointing
importance
channelling
ecosystems
biomass.