Title

Substrate associations and longitudinal distributions in species of Ephemerellidae (Insecta: Ephemeroptera) from western Oregon

Document Type

Article

Journal/Book Title/Conference

Freshwater Invertebrate Biology

Volume

3

Publication Date

1-1-1984

Keywords

Substrate associations, longitudinal distributions, Ephemerellidae, western Oregon

First Page

181

Last Page

188

Abstract

Substrate associations and longitudinal distributions are described for 12 species of Ephemerellidae. Habitat specialization seems to have been a major means of adaptive radiation within this family. All species showed restrictive use of available habitats: sand-gravel, cobble, boulder, or moss. Patterns of longitudinal distribution may be, in part, a consequence of the specificity that species show for different substrates.

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