amphibians
Euproctus asper
Hypogean environment
life-history traits
phenotypic plasticity
proximate factors
skeletochronology
2 neighboring populations
long-term starvation
rana-temporaria
metabolic-responses
food availability
proteus-anguinus
salamander
lizard
[SDE.BE] Environmental Sciences/Biodiversity and Ecology
[SDV.BID] Life Sciences/Biodiversity
[SDV.EE] Life Sciences/Ecology, environment