You are here: Home
/ Publication Information
Title: Generation-scale movement patterns of cutthroat trout (Oncorhynchus clarkii pleuriticus) in a stream network
Author: Young, Michael K.
Source: Canadian Journal of Fisheries and Aquatic Sciences. 68: 941-951.
Publication Series: Miscellaneous Publication
Description: Movements by stream fishes have long been the subject of study and controversy. Although much discussion has focused on what proportion of fish adopt mobility within particular life stages, a larger issue involves the lifetime movements of individuals. I evaluated movements of different sizes and ages of Colorado River cutthroat trout (Oncorhynchus clarkii pleuriticus) using a variety of sampling methods from 1996 to 2001 in a 40 km network of main-stem and tributary segments of the North Fork Little Snake River, Wyoming, USA. The probability of movement was related to the period of observation, initial location, and possibly individual growth rate, whereas distance moved was related to fish size and initial location. Furthermore, it appeared that movements by juveniles were mostly downstream, whereas those of older fish were largely upstream. Movement of cutthroat trout in this basin appeared to be driven by ontogenetic changes in habitat use and variation in habitat productivity. Given that this stream network exemplifies the complexity typical of many mountain watersheds, movement as a life history tactic in fishes may be more common than is sometimes recognized.
Keywords: cutthroat trout, Oncorhynchus clarkii pleuriticus
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
- You may send email to email@example.com to request a hard copy of this publication. (Please specify exactly which publication you are requesting and your mailing address.)
XML: View XML
Young, Michael K. 2011. Generation-scale movement patterns of cutthroat trout (Oncorhynchus clarkii pleuriticus) in a stream network. Canadian Journal of Fisheries and Aquatic Sciences. 68: 941-951.
Get the latest version of the Adobe Acrobat reader or Acrobat Reader for Windows with Search and Accessibility