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Report: Bull Trout Spawner Escapement in the Salmo River Watershed: 2022 FWCP Project No. COL-F23-F-3699
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If you have any questions on the information presented, or require additional report data or attachments, please contact the Report Contact
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Bull Trout are a blue listed species of concern in British Columbia (BC) and have been designated as a high conservation concern in the Salmo River Watershed (Hagen, 2008). Salmo River Bull Trout are a fluvial population characterized by spawning in small, cold, high-gradient tributary streams with adult populations rearing in the mainstem of the River (Baxter and Decker, 2010).
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Author: Gerry Nellestijn and Scott Decker
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Old Reference Number: COL-F23-F-3699
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Old Reference System: FWCP - Fish Wildlife Compensation Program Columbia
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Date Published: Mar 2023
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Report ID: 62411
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Audience: Government and Public
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A radio Telemetry study by Baxter and Nellestijn (2000) found that individual Bull Trout spawned in multiple tributaries within the Salmo River watershed, suggesting that Salmo River Bull Trout comprise a single population. Conservation biology guidelines for Bull Trout recommend a minimum of 50-100 individuals to minimize inbreeding effects (Reiman & Allendorf, 2001). The Salmo River population is vulnerable to most of the major threats to Bull Trout population perseverance, including isolation from other populations and from productive rearing habitats,
small population size, negative population growth, unfavorable thermal regimes in remaining habitats, and encroachment and competition by native and non-native species (Baxter and Decker, 2010; Hagen, 2008).
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Report Type
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Fish and Aquatic Habitat Information |
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Subject
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Fish Species - Bull Trout - Salvelinus confluentus |
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Region - Kootenay |
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Fish and Fish Habitat - Monitoring |
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