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Journal Article

Microevolution and Clone Structure in Spartina patens

John A. Silander
Science
New Series, Vol. 203, No. 4381 (Feb. 16, 1979), pp. 658-660
Stable URL: http://www.jstor.org/stable/1747745
Page Count: 3
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Microevolution and Clone Structure in Spartina patens
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Abstract

Analysis of the clone structures within a population of Spartina patens reveals considerable adaptive genetic divergence among adjacent dune, swale, and marsh sites. The dune subpopulation includes a small number of frequently encountered, spatially isolated clones that follow microtopography and have high reproductive output and colonizing potential. The marsh subpopulation consists of a large number of infrequent interdigitating clones with high vegetative biomass and competitive success. The swale subpopulation is generally intermediate for these traits.

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