Skip to Main Content
U.S. Forest Service
Caring for the land and serving people

United States Department of Agriculture

Home > Search > Publication Information

  1. Share via EmailShare on FacebookShare on LinkedInShare on Twitter
    Dislike this pubLike this pub
    Author(s): Wendell R. Haag; David W. Garton
    Date: 1995
    Source: Evolution, 49(6), 1995, pp. 1284-1288
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (837 KB)

    Description

    Populations of marine benthic invertebrates often show geographic and temporal genetic heterogeneity, even though these species have widely dispersing planktonic larvae that tend to homogenize genetic structure of populations. Much of this heterogeneity is attributed to localized selection or immigration of genetically different larvae (Koehn et al. 1980; Gartner-Kepkay et al. 1983; Johnson and Black 1984; Hilbish 1985). However, these studies have been handicapped by an inability to examine genetic variation in the larvae themselves. Selection may be most intense on larvae and newly settled individuals (Johnson and Black 1984; Hilbish 1985; Hilbish and Koehn 1985; Gosling and McGrath 1990) because extremely high mortality may occur during the pelagic stage and in the transition from planktonic larvae to sedentary juveniles (Lewandowski 1982a; Powers et al. 1991). Therefore, selective mortality of larvae may largely determine the genetic structure of adult populations, and selection on adults may be relatively unimportant in producing and maintaining local heterogeneity (Ayre 1990).

    Publication Notes

    • You may send email to pubrequest@fs.fed.us to request a hard copy of this publication.
    • (Please specify exactly which publication you are requesting and your mailing address.)
    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Haag, Wendell R.; Garton, David W. 1995. Variation in Genotype Frequencies During the Life History of the Bivalve, Dreissena Polymorpha. Evolution, 49(6), 1995, pp. 1284-1288

    Related Search


    XML: View XML
Show More
Show Fewer
Jump to Top of Page
https://www.fs.usda.gov/treesearch/pubs/6300