Impacts of bacterivorous nematode identity and abundances on soil greenhouse gas emissions
Climate smart agriculture.,
Год журнала:
2025,
Номер
unknown, С. 100049 - 100049
Опубликована: Фев. 1, 2025
Язык: Английский
Linking rock outcrop size and distance to soil multifunctionality in mountain ecosystems
Functional Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 31, 2025
Abstract
Rock
outcrops,
prevalent
in
mountain
ecosystems
worldwide,
occupy
space
and
exhibit
distinct
physical
chemical
properties
compared
with
soil.
Therefore,
it
is
theorized
that
these
significantly
affect
soil
functions.
However,
previous
studies
have
either
overlooked
rocks
entirely
or
only
considered
the
proportion
of
rock
covered,
leaving
a
gap
understanding
outcrops'
distance
size
on
ecological
processes
ecosystem
To
address
this,
we
conducted
field
study
to
evaluate
effects
outcrops
surrounding
multifunctionality.
A
total
31
varying
sizes
were
selected
categorized
into
five
diameter
classes:
0–1
m,
1–2
2–3
3–4
m
4–5
m.
Plant
litter
samples
collected
at
two
distances
(0–20
cm
20–50
cm)
capture
direct
influence
while
minimizing
interference
from
broader
environmental
factors.
Five
functions
assessed
multifunctionality:
nutrient
provisioning,
microbial
growth
efficiency,
organic
matter
(SOM)
decomposition,
cycling
plant‐microbe
symbiosis.
Our
results
suggested
multifunctionality
efficiency
greater
closer
(approximately
17%
24%
higher,
respectively)
than
further
(20–50
outcrops.
Although
plant
increased
increasing
rocks,
effect
exhibited
convex
hump‐shaped
curve.
Soil
around
medium‐sized
(i.e.
2–4
m)
was
approximately
40%–60%
smaller
m).
Nutrient
SOM
decomposition
showed
similar
trends.
Further
analysis
exchangeable
calcium
carbon
emerged
as
most
important
intermediary
variables
connecting
Overall,
near
benefits
extra
resources
such
litter,
rainfall,
atmospheric
deposition
nutrients
released
weathering,
which
may
directly
contribute
its
high
multifunctionality;
however,
excessively
large
hinder
contributing
Future
surveys
models
should
incorporate
factors
enhance
assessment
accuracy.
Read
free
Plain
Language
Summary
for
this
article
Journal
blog.
Язык: Английский
Response of soil micro-food web and nutrient transfer efficiency to reclamation strategies in mining area
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 2, 2025
Abstract
Background
&
Aims:
The
soil
micro-food
web
plays
a
crucial
role
in
facilitating
ecological
restoration
and
maintaining
ecosystem
functionality
post-mining
environments.
However,
the
specific
influence
of
reclamation
patterns
on
structure
their
trophic
transfer
efficiency
mining
soils
remains
unclear.
Therefore,
this
study
aimed
to
analyse
impacts
models
elucidate
underlying
mechanisms
that
restores
functions.
Methods:
We
conducted
field
experiment
at
15
sites
across
three
patterns—coniferous
plantation
(CP),
broad-leaved
(BP),
mixed
coniferous-broadleaved
(MP)—within
Pingshuo
Open-pit
Coal
Mine
China.
Using
metagenomic
sequencing,
we
analysed
structures
nutrient
efficiencies
various
strategies.
Results:
MP
exhibited
greater
microbial
network
complexity
higher
than
those
CP
BP.
Specifically,
ecosystems
demonstrated
considerably
enhanced
among
trophic-level
microorganisms
such
as
protists
metazoans,
indicating
improved
energy
flow
resource
utilisation
within
web.
Moreover,
influenced
by
modifying
physicochemical
properties,
ultimately
shaping
carbon
nitrogen
metabolic
processes.
Conclusion:
web,
thereby
optimising
interactions
cycling.
Reclamation
can
C/N
metabolism
processes
via
network.
Our
findings
provide
comprehensive
understanding
optimizing
strategies
improving
functions
areas.
Язык: Английский
Linking microbial metabolism and ecological strategies to soil carbon cycle function in agroecosystems
Soil and Tillage Research,
Год журнала:
2025,
Номер
251, С. 106562 - 106562
Опубликована: Апрель 2, 2025
Язык: Английский
Potential Roles of Soil Viruses in Karst Forest Soil Carbon and Nitrogen Cycles
Forests,
Год журнала:
2025,
Номер
16(5), С. 735 - 735
Опубликована: Апрель 25, 2025
Soil
viruses,
ubiquitous
and
abundant
biological
entities
that
are
integral
to
microbial
communities,
exert
pivotal
impacts
on
ecosystem
functionality,
particularly
within
carbon
(C)
nitrogen
(N)
cycles,
through
intricate
interactions
with
bacteria,
archaea,
fungi,
other
taxa.
While
their
contributions
soil
dynamics
increasingly
elucidated,
the
specific
roles
of
viruses
in
karst
forest
remain
largely
underexplored.
Karst
ecosystems
(covering
15%
global
terrestrial
surface)
characterized
by
unique
geological
formations,
thin
patchy
layers,
high
pH
Ca2+,
rapid
hydrological
dynamics,
collectively
fostering
environmental
conditions
may
shape
viral
ecology
modulate
C
N
cycling.
This
perspective
synthesizes
existing
knowledge
functions
distinctive
characteristics
soil,
proposing
potential
mechanisms
which
could
influence
cycling
such
fragile
ecosystems.
regulate
cycles
both
directly
indirectly
via
hosts,
mainly
including
shaping
community
structure,
mediating
horizontal
gene
transfer
metabolism,
increasing
availability
alleviating
nutrient
limitations,
promoting
sequestration,
mitigating
climate
change.
work
aims
bridge
biogeochemical
providing
insights
into
sustainable
stewardship
resilience.
We
delineate
critical
gaps
propose
future
perspectives,
advocating
for
targeted
metagenomic
long-term
experimental
studies
diversity,
virus–host-environment
interactions,
temporal
dynamics.
Specifically,
we
advocate
following
research
priorities
advance
our
understanding
studies:
(I)
abundance,
activity:
characterizing
activity
forests
using
metagenomics
complementary
molecular
approaches;
(II)
virus–host
interactions:
investigating
between
key
taxa
involved
cycling;
(III)
impacts:
quantifying
lysis
fluxes
soil;
(IV)
modeling
cycles:
developing
integrative
models
incorporate
virus-mediated
processes
frameworks
at
different
spatial
scales.
Such
efforts
essential
validate
hypothesized
underlying
mechanisms,
offering
a
foundation
nature-based
solutions
facilitate
support
ecological
restoration
vulnerable
regions
amid
Язык: Английский