Lahontan Cutthroat Trout Populations in Willow and Whitehorse Creeks

Authors: Banks, David T*, Ramirez, Benji S

Year: 2015 (xlvii)

Abstract

Lahontan Cutthroat Trout, Oncorhynchus clarkii henshawi, are listed as Threatened by the U. S. Fish and Wildlife Service. They occur in two watersheds within Oregon: McDermitt Creek and Willow-Whitehorse Creeks. In 2012 a wildfire burned 461,000 acres of sagebrush and riparian areas within these two watersheds. In 2015 sampling occurred in to generate population estimates within the Willow-Whitehorse Creek Drainage. These population estimates were compared to previous population estimates in 2005 and 2011 to determine if the fire affected LCT populations post-fire.