Impact of food availability on the thermal performance curves of male European green lizards (Lacerta viridis)
Oecologia,
Journal Year:
2025,
Volume and Issue:
207(4)
Published: April 1, 2025
Abstract
In
a
changing
environment,
characterized
by
human-induced
rapid
environmental
change
(HIREC),
understanding
the
impacts
of
stressors
on
reptile
species
is
crucial.
Preferred
body
temperatures
(PBT)
and
thermal
performance
curves
(TPCs)
are
comprehensive
physiology
traits
reflecting
overall
physiological
crucial
for
predicting
species-specific
responses
to
changes.
There
limited
or
conflicting
information
how
food
availability
affect
PBT
TPCs
lizard
species,
despite
their
significance
in
context
global
decline
species.
The
aim
this
study
was
experimentally
investigate
deprivation
affects
European
green
lizards
(
Lacerta
viridis
).
We
exposed
30
adult
male
optimal
suboptimal
treatments.
assessed
PBTs,
based
optimum
(T
o
),
maximum
(P
max
)
breadth
(B
80
lizards.
found
that
had
significant
impact
preferred
temperature
locomotor
performance.
Lizards
experiencing
conditions
showed
preference
lower
temperatures,
indicating
an
intention
minimize
energy
expenditure
during
fasting.
Additionally,
food-deprived
wider
B
range,
suggesting
acclimatization
maintain
effective
across
broader
range.
Our
findings
highlight
importance
as
key
stressor
influencing
thermoregulation
strategies.
As
habitat
modifications
warming
continue,
it
evaluate
these
changes
development
conservation
Language: Английский
Impact of vineyards on habitat's thermal conditions and functional traits of a lizard in the central Monte Desert, Argentina
Journal of Arid Environments,
Journal Year:
2024,
Volume and Issue:
221, P. 105143 - 105143
Published: Feb. 28, 2024
Language: Английский
Physiological thermal responses of three Mexican snakes with distinct lifestyles
PeerJ,
Journal Year:
2024,
Volume and Issue:
12, P. e17705 - e17705
Published: July 19, 2024
The
impact
of
temperature
on
reptile
physiology
has
been
examined
through
two
main
parameters:
locomotor
performance
and
metabolic
rates.
Among
reptiles,
different
species
may
respond
to
environmental
temperatures
in
distinct
ways,
depending
their
thermal
sensitivity.
Such
variation
can
be
linked
the
ecological
lifestyle
needs
taken
into
consideration
when
assessing
influence
physiology.
This
is
particularly
relevant
for
snakes,
which
are
a
very
functionally
diverse
group.
In
this
study,
our
aim
was
analyze
sensitivity
resting
rate
(RMR)
three
snake
from
central
Mexico
(
Crotalus
polystictus
,
Conopsis
lineata
Thamnophis
melanogaster
),
highlighting
how
it
influenced
by
distinctive
behavioral
traits.
We
tested
both
physiological
parameters
five
treatments:
15
°C,
25
30
33
36
°C.
Using
data,
we
developed
curves
(TPCs)
each
analyzed
RMR
data
using
generalized
linear
mixed
models.
optimal
locomotion
C.
falls
near
its
critical
maximum,
suggesting
that
maintain
at
high
but
with
narrow
safety
margin.
T.
exhibited
fastest
swimming
speeds
highest
mass-adjusted
RMR.
aligns
expectations
since
an
active
forager,
energy
demand
mode.
have
wide
breadth,
suggests
they
generalists
over
interval
temperatures.
beneficial
cold
habitat,
such
characteristic
found
allow
some
adequate
levels
suboptimal
increased
along
temperature,
proportional
surge
not
uniform
measured
Q
10
low
treatments.
High
could
adaptation
favorable
temperatures,
whereas
facilitate
responses
heat
stress.
Overall,
results
show
adaptations
environments
inhabit.
Their
activity
patterns
foraging
habits
closely
these
adaptations.
Further
studies
other
populations
climatic
conditions
would
provide
valuable
information
complement
current
understanding
effect
properties
Language: Английский
Thermal balance in Andean lizards: A perspective from the high mountains
Austral Ecology,
Journal Year:
2024,
Volume and Issue:
49(9)
Published: Sept. 1, 2024
Abstract
High
Andean
lizards
in
the
Andes
face
numerous
challenges
high‐altitude
environments
characterized
by
significant
temperature,
spatial
and
temporal
variations.
These
factors
greatly
influence
their
thermal
characteristics
adaptive
strategies
for
coping
with
temperature
fluctuations.
This
study
aims
were
to
investigate
biology
of
high
mountain
(>2000
m)
inhabiting
Mountain
range,
using
information
from
existing
literature,
identify
potential
impacts
original
climate
change
scenarios
developed
this
study.
Within
Andes,
species
are
primarily
found
families
like
Liolaemidae,
Gymnophthalmidae,
Tropiduridae,
Anolidae
Leiourisauridae.
Notably,
we
literature
that
higher
body
temperatures
maximum
critical
southern
compared
those
closer
tropics.
Typically,
diurnal
seasonal
variations
have
a
impact
on
these
lizards,
but
behaviours
physiological
mechanisms
enhance
resistance
extreme
temperatures.
Populations
situated
below
equator
often
exhibit
temperatures,
largely
due
exposure
ambient
during
summer.
With
all
global
warming
indicating
increases
latitudinal
regions,
tropical
historically
less
thermally
adaptable,
may
be
particularly
susceptible
rises.
It
is
crucial
consider
additional
factors,
such
as
activity
patterns,
resource
availability
diminishing
suitable
habitats,
will
also
play
pivotal
role
shaping
future
lizard
species,
making
situation
even
more
complex
challenging.
Language: Английский