Habitat- and season-specific temperatures affect phenotypic development of hatchling lizards
Author(s) -
Phillip R. Pearson,
Daniel A. Warner
Publication year - 2016
Publication title -
biology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.596
H-Index - 110
eISSN - 1744-957X
pISSN - 1744-9561
DOI - 10.1098/rsbl.2016.0646
Subject(s) - biology , hatchling , lizard , anolis , nest (protein structural motif) , phenotypic plasticity , incubation , offspring , habitat , ecology , sauria , incubation period , zoology , maternal effect , wet season , phenotypic trait , phenotype , hatching , pregnancy , biochemistry , genetics , gene
Embryonic environments influence phenotypic development, but relatively few experiments have explored the effects of natural environmental variation. We incubated eggs of the lizardAnolis sagrei under conditions that mimicked natural spatial and temporal thermal variation to determine their effects on offspring morphology and performance. Incubation temperatures mimicked two microhabitats (open, shade) at two different times of the incubation season (April, July). Egg survival, incubation duration and offspring size were influenced by interactions between habitat- and season-specific nest temperatures, and locomotor performance was influenced primarily by temporal factors. These findings highlight the importance of spatial and temporal environmental variation in generating variation in fitness-related phenotypes.
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