Developing a Predictive Multiple Regression Model to Identify Non-Natal Coastal Streams in the Puget Sound Utilized by Juvenile Chinook
Presentation Abstract
Juvenile Chinook use non-natal coastal streams in Puget Sound as rearing habitat. In 2013 an extensive sampling effort was conducted to identify key landscape and site characteristics that might be used to predict which coastal streams juvenile Chinook would use for rearing. Distance from natal river systems, stream gradient where juvenile Chinook were present, and watershed area characteristics were used to develop a preliminary multiple regression model to predict log transformed Chinook presence in coastal streams in the Whidbey Basin. Results of the model run did not provide reliable probability values due to the limited amount of sampling data (only one year of extensive data and many streams with no fish due to culverts) that could be used in calculating the regression coefficients for the model. However, the model does provide a gradational reference for identifying coastal streams more or less likely to have juvenile Chinook rearing and has potential application in prioritizing streams for investigation of juvenile Chinook presence, restoration, and protection.
Session Title
General Habitat Topics
Conference Track
Habitat
Conference Name
Salish Sea Ecosystem Conference (2016 : Vancouver, B.C.)
Document Type
Event
Start Date
2016 12:00 AM
Location
2016SSEC
Type of Presentation
Poster
Genre/Form
presentations (communicative events)
Contributing Repository
Digital content made available by University Archives, Heritage Resources, Western Libraries, Western Washington University.
Subjects – Topical (LCSH)
Chinook salmon--Ecology--Washington (State)--Puget Sound; Aquatic habitats--Washington (State)--Puget Sound; Regression analysis
Geographic Coverage
Puget Sound (Wash.); Salish Sea (B.C. and Wash.)
Rights
This resource is displayed for educational purposes only and may be subject to U.S. and international copyright laws. For more information about rights or obtaining copies of this resource, please contact University Archives, Heritage Resources, Western Libraries, Western Washington University, Bellingham, WA 98225-9103, USA (360-650-7534; heritage.resources@wwu.edu) and refer to the collection name and identifier. Any materials cited must be attributed to the Salish Sea Ecosystem Conference Records, University Archives, Heritage Resources, Western Libraries, Western Washington University.
Type
Text
Language
English
Format
application/pdf
Developing a Predictive Multiple Regression Model to Identify Non-Natal Coastal Streams in the Puget Sound Utilized by Juvenile Chinook
2016SSEC
Juvenile Chinook use non-natal coastal streams in Puget Sound as rearing habitat. In 2013 an extensive sampling effort was conducted to identify key landscape and site characteristics that might be used to predict which coastal streams juvenile Chinook would use for rearing. Distance from natal river systems, stream gradient where juvenile Chinook were present, and watershed area characteristics were used to develop a preliminary multiple regression model to predict log transformed Chinook presence in coastal streams in the Whidbey Basin. Results of the model run did not provide reliable probability values due to the limited amount of sampling data (only one year of extensive data and many streams with no fish due to culverts) that could be used in calculating the regression coefficients for the model. However, the model does provide a gradational reference for identifying coastal streams more or less likely to have juvenile Chinook rearing and has potential application in prioritizing streams for investigation of juvenile Chinook presence, restoration, and protection.
