Skip to main content

Streambed Composition and its Contribution to Spawning Viability Following the Completion of the Stoney Creek Weir Restoration Project

Resource type
Date created
2013-04
Authors/Contributors
Author: Byrne, Shane
Author: Liu, Kitty
Abstract
Salmon populations are highly endangered, and in an attempt to restore these populations, habitat restoration projects have become abundant. The Stoney Creek Environment Committee established one such project to enhance salmon spawning conditions at Stoney Creek in Burnaby, BC, by building three weirs. In this report, the streambed composition of the three weirs is analyzed in relation to salmon spawning conditions for the five species of Salmonidea present in Stoney Creek. The result is a number of spawning viability maps ranking spawning conditions in sections of the weirs for each species. Weir 1 contained the smallest amount of undesirable spawning conditions, mainly because the streambed composition was dominated by cobble. Weir 3 contained the most suitable spawning conditions, with smaller gravel sizes and lower sedimentation levels. We provide rationale to explain which factors may have led to the conditions observed. This is followed by a discussion of our method’s uncertainties and restrictions as well as suggestions for future research and management.
Document
Copyright statement
Copyright is held by the author(s).
Permissions
You are free to copy, distribute and transmit this work under the following conditions: You must give attribution to the work (but not in any way that suggests that the author endorses you or your use of the work); You may not use this work for commercial purposes.
Scholarly level
Peer reviewed?
No
Language
English

Views & downloads - as of June 2023

Views: 18
Downloads: 0