文章基本信息

标题：Genetically effective and adult population sizes in the Apache silverspot butterfly, Speyeria nokomis apacheana (Lepidoptera: Nymphalidae)
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作者：Britten, Hugh B. ; Fleishman, Erica ; Austin, George T. 等
期刊名称：Western North American Naturalist
印刷版ISSN：1527-0904
出版年度：2003
卷号：63
期号：2
页码：9
出版社：Brigham Young University
摘要：Genetically effective and adult population sizes of the Apache silverspot butterfly (Speyeria nokomiis apacheana) from the Great Basin of North America were tracked from 1991 to 1997. Speyeria nokomis inhabits mesic habitats in the Great Basin, and its recent declines in abundance have raised concerns about its future persistence. Adult population size estimates determined from mark-recapture methods ranged from 100 to 1900 individuals from 1993 through 1997. Genetically effective population sizes based on temporal changes in allozyme frequencies ranged from less tha 1 individual to 20 individuals between 1991 and 1995. Despite these small annual estimates, it is likely that gene flow resulted in overestimation of genetically effective population sizes. These reusuts, combined with observations in the field, suggest that suitable but vacant habitat patches be maintained for potential recolonization by S. n. apacheana.