Impact of climate warming on vegetation cover: positive effects of native artiodactyla vs. grazing pressure in Alborz Protected Area
Frontiers in Conservation Science,
Journal Year:
2025,
Volume and Issue:
6
Published: Jan. 28, 2025
Introduction
Climate
warming,
combined
with
grazing
pressures,
poses
significant
challenges
to
vegetation
cover
and
ecosystem
stability.
In
particular,
livestock
is
a
primary
factor
in
degradation,
adversely
affecting
plant
diversity,
soil
health,
key
ecological
interactions.
Methods
This
study
investigates
the
impact
of
on
Alborz
region
Iran,
focusing
comparison
between
native
herbivores
(Artiodactyla)
Central
Protected
Area
(CAPA).
We
utilized
30
years
NDVI
(Normalized
Difference
Vegetation
Index)
data
from
May
June
(1994–2024)
assess
dynamics
evaluate
influence
climate
grazing.
ANOVA,
Pearson
correlation,
regression
analyses
were
performed
identify
relationships
cover,
variables
(temperature
rainfall),
intensity.
Results
show
increase
Golestanak
(without
livestock)
exhibiting
stronger
positive
response
(R
²
=
65%),
while
Zānoos
(higher
density)
showed
greater
variability
58%).
demonstrated
more
correlation
temperature
rainfall,
reflecting
resilience
climatic
stressors
beneficial
effect
moderate
by
Artiodactyla.
contrast,
fluctuation
trends
due
high
pressure.
Discussion
highlights
that
warming
can
positively
affect
intensive
impede
these
gains,
underlining
importance
adaptive
management
strategies
for
maintaining
health.
Language: Английский
Advancements in assessing soil health through functional traits and energy flow analysis of soil nematodes
Soil Ecology Letters,
Journal Year:
2024,
Volume and Issue:
6(2)
Published: May 17, 2024
This
paper
examines
the
development
of
ecological
indices
for
soil
nematodes
from
perspective
functional
traits.
It
emphasizes
increasing
significance
integrating
multiple
traits
to
achieve
a
more
accurate
assessment
health.
Ecological
based
on
life
history
strategies,
feeding
habits,
and
body
size
provide
useful
tools
assessing
However,
these
do
not
fully
capture
dynamics
energy
flow
across
multiple-trophic
levels
in
food
web,
which
is
critical
deeper
understanding
intrinsic
properties
By
combining
such
as
group,
size,
preference
metabolic
rate,
nematode
analyses
comprehensive
perspective.
approach
establishes
direct
correlation
between
changes
morphology,
physiology,
metabolism
organisms
alterations
their
habitat
environment.
We
conducted
comparative
sensitivity
footprints
latitudinal
variation
using
dataset
northeastern
black
region
China.
The
findings
suggest
that
are
sensitive
latitude
have
greater
potential
reveal
health
ecosystem
function.
Therefore,
future
research
should
prioritize
automated
efficient
methods
analyzing
will
enhance
application
webs
support
sustainable
management
agricultural
practices.
Language: Английский
Soil fauna impacts on carbon cycling in managed grasslands: A review
Advances in agronomy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Language: Английский
Behavioural responses to mammalian grazing expose insect herbivores to elevated risk of avian predation
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2024,
Volume and Issue:
291(2032)
Published: Oct. 1, 2024
Large
mammalian
herbivores
(LMH)
are
important
functional
components
and
drivers
of
biodiversity
ecosystem
functioning
in
grasslands.
Yet
their
role
regulating
food-web
dynamics
trophic
cascades
remains
poorly
understood.
In
the
temperate
grasslands
northern
China,
we
explored
whether
how
grazing
domestic
cattle
(
Bos
taurus
)
alter
predator–prey
interactions
between
a
dominant
grasshopper
Euchorthippus
unicolor
its
avian
predator
barn
swallow
Hirundo
rustica
).
Using
two
large
manipulative
field
experiments,
found
that
presence
cattle,
grasshoppers
increased
jumping
frequency
threefold,
swallows
foraging
visits
to
these
fields
sixfold,
density
was
reduced
by
about
50%.
By
manipulatively
controlling
grasshoppers’
ability
jump,
showed
enables
avoid
being
incidentally
consumed
or
trampled
cattle.
However,
behaviour
consumption
rates
37-fold
compared
with
were
unable
jump.
Our
findings
illustrate
LMH
can
indirectly
affecting
predators
herbivorous
insects.
These
non-plant-mediated
effects
may
influence
other
ecosystems
shape
community
structure
dynamics.
We
highlight
convoluted
multispecies
better
explain
control
Language: Английский