Document Detail


The Effect of Thermal Variance on the Phenotype of Marine Turtle Offspring.
MedLine Citation:
PMID:  25461644     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract Temperature can have a profound effect on the phenotype of reptilian offspring, yet the bulk of current research considers the effects of constant incubation temperatures on offspring morphology, with few studies examining the natural thermal variance that occurs in the wild. Over two consecutive nesting seasons, we placed temperature data loggers in 57 naturally incubating clutches of loggerhead sea turtles Caretta caretta and found that greater diel thermal variance during incubation significantly reduced offspring mass, potentially reducing survival of hatchlings during their journey from the nest to offshore waters and beyond. With predicted scenarios of climate change, behavioral plasticity in nest site selection may be key for the survival of ectothermic species, particularly those with temperature-dependent sex determination.
Authors:
C R Horne; W J Fuller; B J Godley; K A Rhodes; R Snape; K L Stokes; A C Broderick
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-11-5
Journal Detail:
Title:  Physiological and biochemical zoology : PBZ     Volume:  87     ISSN:  1537-5293     ISO Abbreviation:  Physiol. Biochem. Zool.     Publication Date:    2014 November/December
Date Detail:
Created Date:  2014-12-2     Completed Date:  -     Revised Date:  2014-12-3    
Medline Journal Info:
Nlm Unique ID:  100883369     Medline TA:  Physiol Biochem Zool     Country:  -    
Other Details:
Languages:  ENG     Pagination:  796-804     Citation Subset:  -    
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