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Plasma Steroid Hormones in Loggerhea...

Reis, Andrea.

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Plasma Steroid Hormones in Loggerhead and Green Sea Turtle Hatchlings.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Plasma Steroid Hormones in Loggerhead and Green Sea Turtle Hatchlings./
作者:	Reis, Andrea.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2016,
面頁冊數:	86 p.
附註:	Source: Masters Abstracts International, Volume: 56-01.
Contained By:	Masters Abstracts International56-01(E).
標題:	Biology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10172652
ISBN:	9781369274042

Plasma Steroid Hormones in Loggerhead and Green Sea Turtle Hatchlings.
Reis, Andrea.

Plasma Steroid Hormones in Loggerhead and Green Sea Turtle Hatchlings. - Ann Arbor : ProQuest Dissertations & Theses, 2016 - 86 p.

Source: Masters Abstracts International, Volume: 56-01.

Thesis (M.S.)--Florida Atlantic University, 2016.

Florida's sea turtle populations are increasing due to conservation efforts; however, sea turtle species are vulnerable to climate change. Turtles exhibit temperature-dependent sex determination, in which nest environment influences sex. Environmental changes may produce altered sex ratios that limit reproduction potential; therefore hatchling sex ratios should be monitored. Hatchlings are not externally sexually dimorphic, making sex identification difficult. This study established baseline plasma hormone concentrations in hatchling and post-hatchling green (Chelonia mydas) and loggerhead (Caretta caretta) sea turtles using High Performance Liquid Chromatography. Five hormones were assayed and were present in the majority of samples (testosterone: N.D.-10.12, progesterone: N.D.-0.43, estradiol: N.D.-4.78, estriol: N.D.-5.55 and estrone: N.D.-1.67 mug/mL). Plasma hormones did not distinguish hatchling sex because male and female ranges overlapped. Hormone concentrations varied with sex but also with incubation temperature, indicating that climate change could impact hatchling and post-hatchling hormone profiles and thus could impact future fitness.

ISBN: 9781369274042Subjects--Topical Terms:

522710
Biology.

Plasma Steroid Hormones in Loggerhead and Green Sea Turtle Hatchlings.
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