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1 September 2016 Persistence of Etheostoma parvipinne (Goldstripe Darter) in a Single Tributary on the Periphery of Its Range
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Abstract

We report the occurrence of a single population of Etheostoma parvipinne (Goldstripe Darter) in a small, acidic, spring-fed stream within the Colorado River drainage following an extended period of below-average precipitation (January–September 2011), a wildland fire (September 2011), and subsequent debris and sediment flows (November 2011–May 2012). Goldstripe Darters were taken from Alum Creek (Bastrop County, TX) along with a cyprinid, a poeciliid, and several species of centrarchids in June 2012. Occurrence of Goldstripe Darters in Alum Creek provides a regional example of fish-community responses to wildland fires. In additio n, understanding the mechanism of long-term persistence in a single tributary on the periphery of a species range might offer insight into the origin of endemic fishes and persistence of disjunct fish populations within aquatic evolutionary refugia of central Texas.

Virginia L.E. Dautreuil, Cody A. Craig, and Timothy H. Bonner "Persistence of Etheostoma parvipinne (Goldstripe Darter) in a Single Tributary on the Periphery of Its Range," Southeastern Naturalist 15(3), (1 September 2016). https://doi.org/10.1656/058.015.0310
Published: 1 September 2016
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