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Report: Assessment of 2003 Steelhead Smolt Yield from the Englishman River

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Building on the Pacific Salmon Endowment Fund Society Englishman River recovery plan, a second year of mark-recapture was conducted in the spring of 2003 to assess coho and steelhead smolt production.

Author:  Craig, J.D.C.; McCubbing, D.; BC Conservation Foundation; Instream Fisheries Consultants

Date Published:  Dec 2003

Report ID:  5864

Audience:  Government and Public

Building on the Pacific Salmon Endowment Fund Society Englishman River recovery plan, a second year of mark-recapture was conducted in the spring of 2003 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. The pooled Peterson estimate of steelhead smolts emigrating from the Englishman River between April 12 and June 3, 2003 was 2,657 fish (95% confidence interval: 1,756 and 3,557). The Schaefer estimate was 2,585. Slightly older and smaller than fish in 2002, the 2003 smolt group was composed of 71.4% two year olds and 28.6% three year olds (n=70), and had mean lengths and weights of 159 mm (SD 16) and 36.9 g (SD 12.1; n=131), respectively. Recommendations include continued monitoring and improved trap maintenance during high water and/or heavy wind periods.

Report Type
  Fish and Aquatic Habitat Information
 
Subject
  Biogeoclimatic Zone - CDF Coastal Douglas-fir Zone
  Biogeoclimatic Zone - CWH Coastal Western Hemlock Zone
  Fish and Fish Habitat - Fish Inventory
  Fish and Fish Habitat - Management
  Fish and Fish Habitat - Stock Assessment
  Fish Species - Coastal Cutthroat Trout - O. clarki clarki
  Fish Species - Cutthroat Trout (General) - Oncorhynchus clarki
  Fish Species - Rainbow Trout - Oncorhynchus mykiss
  Fish Species - Steelhead - Oncorhynchus mykiss
  Region - Vancouver Island
  Watershed Groups - 920 - Vancouver Island (East) Rivers
 


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