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Assessing the Demographic and Genetic Contributions of Precocial Males in a Naturally Spawning Population of Coho Salmon.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Assessing the Demographic and Genetic Contributions of Precocial Males in a Naturally Spawning Population of Coho Salmon./
Author:	King, Erika M.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
Description:	77 p.
Notes:	Source: Masters Abstracts International, Volume: 83-10.
Contained By:	Masters Abstracts International83-10.
Subject:	Natural resource management. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29061877
ISBN:	9798426801219

Assessing the Demographic and Genetic Contributions of Precocial Males in a Naturally Spawning Population of Coho Salmon.
King, Erika M.

Assessing the Demographic and Genetic Contributions of Precocial Males in a Naturally Spawning Population of Coho Salmon. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 77 p.

Source: Masters Abstracts International, Volume: 83-10.

Thesis (M.S.)--University of Alaska Fairbanks, 2022.

This item must not be sold to any third party vendors.

Despite the importance of alternative life history strategies to population productivity, little is known about the mating structure of precocial ('jack') males in Pacific salmon. The number of successful matings obtained by jacks in the wild is not well characterized and the impact of including or excluding jacks in the management of Pacific salmon populations is unknown. This study aims to fill knowledge gaps in the understanding of jack life history by 1) determining the typical contribution of jacks to the next generation in a natural mating population; and 2) estimating the impact of jacks on genetic diversity. The study capitalizes upon 11 years of demographic and genetic data from a naturally spawning population of Coho Salmon from Auke Creek, in Juneau, Alaska. Individuals returning over this time period (~8,000 individuals) were genotyped at ~250 single-nucleotide polymorphism (SNP) loci. Using these genotypes, we quantified the adult-to-adult reproductive success of different male types using parentage analysis for each of seven return years and compared genetic and demographic estimates of effective population size. We demonstrated that although jacks were less successful than full-size males on a per individual basis, they contributed substantially to the population and influenced population and evolutionary dynamics.

ISBN: 9798426801219Subjects--Topical Terms:

589570
Natural resource management.
Subjects--Index Terms:

Genetic diversity

Assessing the Demographic and Genetic Contributions of Precocial Males in a Naturally Spawning Population of Coho Salmon.
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100 1 $a King, Erika M. $3 3687545
245 1 0 $a Assessing the Demographic and Genetic Contributions of Precocial Males in a Naturally Spawning Population of Coho Salmon.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2022
300 $a 77 p.
500 $a Source: Masters Abstracts International, Volume: 83-10.
500 $a Advisor: McPhee, Megan;Tallmon, David.
502 $a Thesis (M.S.)--University of Alaska Fairbanks, 2022.
506 $a This item must not be sold to any third party vendors.
520 $a Despite the importance of alternative life history strategies to population productivity, little is known about the mating structure of precocial ('jack') males in Pacific salmon. The number of successful matings obtained by jacks in the wild is not well characterized and the impact of including or excluding jacks in the management of Pacific salmon populations is unknown. This study aims to fill knowledge gaps in the understanding of jack life history by 1) determining the typical contribution of jacks to the next generation in a natural mating population; and 2) estimating the impact of jacks on genetic diversity. The study capitalizes upon 11 years of demographic and genetic data from a naturally spawning population of Coho Salmon from Auke Creek, in Juneau, Alaska. Individuals returning over this time period (~8,000 individuals) were genotyped at ~250 single-nucleotide polymorphism (SNP) loci. Using these genotypes, we quantified the adult-to-adult reproductive success of different male types using parentage analysis for each of seven return years and compared genetic and demographic estimates of effective population size. We demonstrated that although jacks were less successful than full-size males on a per individual basis, they contributed substantially to the population and influenced population and evolutionary dynamics.
590 $a School code: 0006.
650 4 $a Natural resource management. $3 589570
650 4 $a Ecology. $3 516476
650 4 $a Aquatic sciences. $3 3174300
653 $a Genetic diversity
653 $a Parentage
653 $a Precocial
653 $a Reproductive success
653 $a Salmon
690 $a 0528
690 $a 0329
690 $a 0792
710 2 $a University of Alaska Fairbanks. $b Fisheries. $3 3169766
773 0 $t Masters Abstracts International $g 83-10.
790 $a 0006
791 $a M.S.
792 $a 2022
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29061877