Record Details

Status of Oregon's bull trout : distribution, life history, limiting factors, management considerations, and status

Klamath Waters Digital Library

Field Value
Title Status of Oregon's bull trout : distribution, life history, limiting factors, management considerations, and status
Creator Buchanan, David V; Hanson, Mary L; Hooton, Robert M
Date 1997-10 2007-12-12 2005-08-16
Subject Bull trout -- Oregon
Description EXECUTIVE SUMMARY Limited historical references indicate that bull trout Salvelinus confluentus in Oregon were once widely spread throughout at least 12 basins in the Klamath River and Columbia River systems. No bull trout have been observed in Oregon's coastal systems. A total of 69 bull trout populations in 12 basins are currently identified in Oregon. A comparison of the 1991 bull trout status (Ratliff and Ho well 1992) to the revised 1996 status found that 7 populations were newly... "October 1997."; Includes bibliographical references (p. 156-168); Electronic reproduction. Portland, OR : Bonneville Power Administration, Environment, Fish, and Wildlife Division, 1997. Errata page inserted. "DOE/BP-34342-5." Mode of access: World Wide Web. System requirements: Adobe Acrobat reader CONTENTS Page PREFACE v EXECUTIVE SUMMARY vii INTRODUCTION 1 GENERAL REVIEW 3 Genetic Patterns 3 Life History 3 Embryonic and Juvenile Life History 4 Adult Life History 5 Habitat Needs 6 Potential Limiting Factors and Risks 7 Genetic and Random Risks 7 Overharvest 8 Passage Barriers 8 Non-native Salmonid Species 9 Habitat Loss and Degradation 10 Climatic Changes 10 Ecosystem Change 12 OVERVIEW OF STATEWIDE STATUS 15 Historical Distribution 15 Current... STATUS OF OREGON'S BULL TROUT Distribution, Life History, Limiting Factors, Management Considerations, and Status Oregon Department of Fish and Wildlife STATUS OF OREGON'S BULL TROUT Distribution, Life History, Limiting Factors, Management Considerations, and Status Cover photo by David Buchanan This project was financed in part by the Sport Fish and Wildlife Restoration funds administered by the U. S. Fish and Wildlife Service Funds to publish this report were provided in part...
Contributor Oregon. Dept. of Fish and Wildlife; United States. Bonneville Power Administration. Environment, Fish, and Wildlife Bonneville Power Administration
Source Originally published as: Status of Oregon's bull trout : distribution, life history, limiting factors, management considerations, and status ( Portland, OR : Bonneville Power Administration, [1997])
Publisher Oregon Institute of Technology. Library
Rights Digital image copyright 2007. Oregon Institute of Technology. All rights reserved. http://digitallib.oit.edu/cdm/copyright/collection/kwl
Relation Digital reproduction of Internet document: http://worldcat.org/oclc/50769408
Format http://klamathwaterlib.oit.edu/about.php; File Size: 33,759,232 bytes application/xml
Identifier OIT-16-Aug-2005-172 http://digitallib.oit.edu/cdm/ref/collection/kwl/id/12788
Type text
Language en

© Western Waters Digital Library - GWLA member projects - Hosted and designed by the J. Willard Marriott Library