Changes in the fish assemblage of an intermittent prairie stream upstream from a Texas impoundment

Gene R. Wilde, Kenneth G. Ostrand

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

Comparisons of fish collections made from the Double Mountain Fork of the Brazos River before and after impoundment of Lake Alan Henry show that the stream fish assemblage upstream from the lake has changed dramatically. Overall, numerical dominance in the fish assemblage has shifted from minnows (family Cyprinidae) to pupfishes and killifishes (family Cyprinodontidae). The cyprinid species Hybognathus placitus and Notropis buccula, which were abundant in pre-impoundment collections, have become extirpated, or nearly so, since the river was impounded.

Original languageEnglish
Pages (from-to)203-210
Number of pages8
JournalTexas Journal of Science
Volume51
Issue number3
StatePublished - Aug 1999

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