Integrative and Comparative Biology,
Journal Year:
2023,
Volume and Issue:
64(1), P. 27 - 37
Published: July 1, 2023
Synopsis
In
the
context
of
climate
warming,
intensity
and
frequency
drought
occurrences
are
progressively
increasing.
However,
current
research
on
impacts
life-history
traits
physiological
activities
animals
rarely
encompasses
soil
that
play
crucial
roles
within
ecosystems.
Therefore,
this
study
focused
a
nematode
species
(Acrobeloides
sp.)
model
(Caenorhabditis
elegans)
to
investigate
whether
nematodes
adjust
trade-off
their
confront
arid
environments,
utilizing
Petri
dish
experiment.
Subsequently,
we
assessed
resilience
two
moisture
variations
by
comparing
extent
changes
in
various
indicators
(i.e.,
traits,
oxidative
stress)
before
after
rehydration.
The
results
revealed
both
capable
adapting
environments
altering
between
traits.
Specifically,
they
reduce
reproductive
investment
body
mass
while
maintaining
life
span,
thus
responding
conditions.
Follow-up
rehydration
experiments
post-drought
stress
highlighted
soil-dwelling
exhibits
superior
recovery
capacity
response
fluctuations
comparison
nematode.
To
best
our
knowledge,
is
first
investigation
into
history
adaptation
nematodes.
Moreover,
findings
hold
significant
implications
for
exploration
its
mechanisms
animals.
Ecological Processes,
Journal Year:
2024,
Volume and Issue:
13(1)
Published: Feb. 2, 2024
Abstract
Background
Global
climate
change
has
resulted
in
precipitation
regimes
exhibiting
an
increasing
trend
rainfall
intensity
but
a
reduction
its
frequency.
Nitrogen
(N)
deposition
is
crucial
component
of
the
global
N
cycling.
Nematode
body
size
trait
that
responds
to
and
used
as
standard
trait-based
indicator
soil
community
analysis.
Variations
influence
metabolic
carbon
(C).
We
examined
ways
by
which
C
nematodes
respond
changing
how
regulates
these
responses
8-year
manipulative
experiment.
Methods
was
indicated
community-weighted
mean
(CWM)
mass.
quantified
metabolism
components
including
production
C,
respiration
corresponding
use
efficiency
(CUE)
under
different
intensities
addition
semi-arid
steppe
on
Mongolian
Plateau.
The
Mantel
test
determine
correlations
between
CWM,
CUE
environmental
factors.
partial
least
squares
path
modeling
(PLS-PM)
conducted
quantify
direct
or
indirect
contributions
among
latent
variables.
Results
found
heavy
increased
CWM
mass
total
omnivores-predators
without
addition.
decreased
bacterivores
across
all
treatments.
Stronger
might
be
favorable
for
nematode
C.
drove
with
Conclusions
Our
findings
provide
new
insights
into
mechanisms
underlying
metabolism,
highlight
explorative
studies,
such
experiments,
are
needed
identify
traits
size-related
effects
investigate
they
affect
nematodes.
These
efforts
may
increase
our
understanding
changes
alter
communities
grassland
ecosystems.
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(7)
Published: July 1, 2024
Abstract
Animal
body
size
exhibits
rapid
responses
to
environmental
variations
and
displays
considerable
variability
across
ecological
scales,
significantly
influencing
community
assembly.
However,
our
understanding
of
the
extent
variation
its
differences
within
soil
fauna
remains
limited,
impeding
a
comprehensive
grasp
fauna's
functional
ecology.
Here,
we
aim
investigate
magnitude
intrageneric
implications
for
nematode
assembly
along
an
altitudinal
gradient.
We
examined
gradient
spanning
from
3136
4128
m
in
alpine
mountain
region
eastern
Tibetan
Plateau.
assessed
contributions
intra‐
intergeneric
size,
both
among
communities,
using
individual
values.
The
these
processes
were
determined
through
phenotypic
variance
ratios
employing
permutation
tests.
Our
analyses
did
not
reveal
statistically
significant
correlations
between
altitude
community‐weighted
mean
mass,
regardless
considering
trait
(IGTV).
Approximately
15%
communities
substantial
72%
can
be
attributed
IGTV.
Altitude
affect
IGTV
or
communities.
Furthermore,
results
underscored
dominant
role
internal
filtering
governing
assembly,
with
external
outside
playing
limited
range.
findings
emphasize
rather
than
attributable
strong
processes.
These
advance
nematodes
scales
highlight
pivotal
shaping
ecology
fauna.
