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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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As part of the Pacific Salmon Endowment Fund Society Englishman River recovery plan, a
mark-recapture study was conducted in the spring of 2002 to assess coho and steelhead smolt
production.
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Author: Craig, J.D.C.; McCubbing, D.; BC Conservation Foundation; Instream Fisheries Consultants
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Date Published: Dec 2002
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Report ID: 5858
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Audience: Government and Public
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As part of the Pacific Salmon Endowment Fund Societys Englishman River recovery plan, a
mark-recapture study was conducted in the spring of 2002 to assess coho and steelhead smolt
production. The Community Fisheries Development Centre (Nanaimo) contracted the BC
Conservation Foundation to complete the study steelhead smolt component. Estimates of the
number of steelhead smolts emigrating from the Englishman River between April 16 and June 8
ranged from 2,403 (ML Darroch estimate, 95% confidence limits: 1,365-3,442) to 2,703 (pooled
Peterson estimate, 95% confidence interval: 1,784-3,624). A Schaefer estimate of 2,597 was also
calculated. The smolt group was composed of 77.6% two year olds, and 22.4% three year olds,
and had mean lengths and weights of 167 mm (SD 17) and 43.2 g (SD 14.8), respectively.
Recommendations include continued monitoring for at least one generation, preferred trap sites,
and budget allocations to deal with high trap maintenance periods and late migrants.
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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 - Coastal Cutthroat Trout - O. clarki clarki |
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Fish Species - Cutthroat Trout (General) - Oncorhynchus clarki |
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Fish Species - Rainbow Trout - Oncorhynchus mykiss |
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Fish Species - Steelhead - Oncorhynchus mykiss |
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Region - Vancouver Island |
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Fish and Fish Habitat - Fish Inventory |
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Fish and Fish Habitat - Management |
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Fish and Fish Habitat - Stock Assessment |
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Watershed Groups - 920 - Vancouver Island (East) Rivers |
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