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Author (up) Lorne, J.; Salmon, M. url  doi
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  Title Effects of exposure to artificial lighting on orientation of hatchling sea turtles on the beach and in the ocean Type Journal Article
  Year 2007 Publication Endangered Species Research Abbreviated Journal Endang. Species Res.  
  Volume 3 Issue Pages 23-30  
  Keywords Sea-finding · Orientation; Migration; Sea turtle; Loggerhead turtle; Caretta caretta; Photopollution; animals; turtles; marine turtles; reptiles  
  Abstract Artificial lighting disrupts sea turtle hatchling orientation from the nest to the sea. We studied how a light-induced landward crawl affects the later ability of hatchlings to crawl to the sea, and to swim away from the shore from a dark beach. A brief (2 min) landward crawl had no effect on swimming orientation as long as surface waves were present. In a calm sea, landward-crawling hatchlings failed to swim offshore, while those crawling seaward were well oriented. A long (2 h) crawl toward a landward light source, however, impaired the ability of hatchlings to crawl seaward. These results demonstrate that orientation toward artificial light sources compromises the ability of hatchlings to respond to natural orientation cues, both on land and in the sea. Based on these results, we suggest several changes to current management practices used when releasing misoriented turtles in the wild.  
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  ISSN 1863-5407 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number IDA @ john @ Serial 77  
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