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Influences of maternal stress on ear...

Fragata, Amanda E. S.

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Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish./
作者:	Fragata, Amanda E. S.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:	46 p.
附註:	Source: Masters Abstracts International, Volume: 56-04.
Contained By:	Masters Abstracts International56-04(E).
標題:	Biology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10263635
ISBN:	9781369716269

Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish.
Fragata, Amanda E. S.

Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 46 p.

Source: Masters Abstracts International, Volume: 56-04.

Thesis (M.S.)--Clark University, 2017.

Feeding performance in early life is predictive of individual survival and reproductive success. Here I take advantage of the broad geographical range inhabited by the threespine stickleback, Gasterosteus aculeatus , to consider how ecological factors might shape early life characteristics over evolutionary time. Additionally, with the application of maternal stressors, I investigate the extent to which offspring growth and behavior are plastically influenced by maternal condition. First generation lab-reared parents were studied, representing populations in British Columbia and Alaska. Gravid females received one of four treatments: acute stressor at ovulation, chronic stressor throughout clutch production, post-ovulatory egg retention (an ecologically relevant challenge) or minimal handling time at ovulation (control). Fry were reared under identical conditions and assayed for growth and feeding performance during the first three weeks post yolk absorption. Fry from the minimal stress treatment differed from those of the three applied stress treatments in terms of growth rate, but not in feeding performance. I discuss how early life traits are affected by maternal stressors, ecological conditions, parental rearing environment, and interactions among these factors.

ISBN: 9781369716269Subjects--Topical Terms:

522710
Biology.

Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish.
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