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

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish./
Author:	Fragata, Amanda E. S.
Description:	1 online resource (46 pages)
Notes:	Source: Masters Abstracts International, Volume: 56-04.
Subject:	Biology. -
Online resource:	click for full text (PQDT)
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. - 1 online resource (46 pages)

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

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

Includes bibliographical references

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.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9781369716269Subjects--Topical Terms:

599573
Biology.
Index Terms--Genre/Form:

554714
Electronic books.

Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish.
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245 1 0 $a Influences of maternal stress on early life characteristics of offspring in threespine stickleback fish.
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500 $a Source: Masters Abstracts International, Volume: 56-04.
500 $a Advisers: Susan A. Foster; John A. Baker.
502 $a Thesis (M.S.)--Clark University, 2017.
504 $a Includes bibliographical references
520 $a 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.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
650 4 $a Biology. $3 599573
650 4 $a Animal sciences. $3 1178863
650 4 $a Evolution & development. $3 1178838
655 7 $a Electronic books. $2 local $3 554714
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710 2 $a Clark University. $b Biology. $3 1185919
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