Resource type
Thesis type
(Research Project) M.R.M.
Date created
2006
Authors/Contributors
Author: Cleary, Jaclyn
Abstract
Lipid and triglyceride levels have the potential to be indicators of the status of individuals and populations of fish because they may affect overwinter survival and energy allocation strategies. Identification of (1) seasonal lipid levels in juvenile fish, and (2) the relationship between fish lipid levels and fish habitat may provide managers with a tool for monitoring the quality of fish habitat in rivers. I assessed seasonal and spatial variation in lipid and triglyceride levels for young-of-the-year stream-type chilnook salmon (Oncorhynchus tshawytscha) throughout central British Columbia, Canada. I found triglyceride levels were highest in fish from the Bridge River, a flow-regulated river, with maximum levels occurring in November. I related triglyceride levels to environmental variables, and found a significant positive relationship between triglyceride levels and food availability. My research supports the potential for using triglyceride analysis as an evaluative tool in freshwater monitoring programs.
Document
Copyright statement
Copyright is held by the author.
Scholarly level
Language
English
Member of collection
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