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Report: Fish Habitat Rehabilitation in the Englishman River, 2006.

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In 2006, LWD sites, boulder groynes and boulder-riffle enhancement sites were constructed from July 19-27 in the Englishman River. Existing sites were also enhanced with additional wood and rock to increase complexity/reduce site porosity.

Author:  BC Conservation Foundation; Silvestri, S.W.

Date Published:  Aug 2007

Report ID:  22565

Audience:  Public Only

The Englishman River is one of the most significant salmon bearing streams on the central east coast of Vancouver Island (Figure 1). The watershed supports all five species of anadromous salmon as well as rainbow and cutthroat trout, and supplies water for the city of Parksville, BC. In 2000, the BC government designated the Englishman River as a sensitive stream under the Fish Protection Act. Also in 2000, the watershed became part of the United Nations designated Mount Arrowsmith Biosphere Reserve (Jamieson 2000). In recent years, the Outdoor Recreation Council of British Columbia has identified the Englishman River as one of the most threatened watersheds in BC. The Englishman River was the first watershed to be selected by the Pacific Salmon Endowment Fund Society to receive attention in the Georgia Basin salmon recovery planning process for coho and steelhead. The vision of the Pacific Salmon Endowment Fund (PSEF) is to achieve healthy, sustainable and naturally diverse Pacific salmon stocks through strategic and focused efforts where people and resources are mobilized to work together to achieve common goals. The Englishman River Watershed Recovery Plan (ERWRP; Bocking and Gaboury 2001) was developed to identify and prioritize activities required to achieve recovery goals for the watershed and its fish stocks. Several other reports including Overview Assessment of Fish and Fish Habitat in the Englishman River Watershed (Lough and Morley 2002) and Englishman River Channel Condition Assessment (nhc 2002) have been developed to complement the original plan and facilitate recovery activities. Significant off-channel development has taken place in the Englishman River watershed, with the creation of the TimberWest (a.k.a. Clay Young) and Weyerhaeuser (a.k.a. Nature Trust) sidechannels. These channels extend for 1,300 and 950 m, respectively (8% of watershed anadromous length), and account for 15-25% of coho smolt production in the watershed (Decker et al. 2002). Extensive restoration work in the mainstem Englishman and South Englishman rivers occurred from 2003 to 2005 with the installation of 54 LWD and boulder riffle sites, based on prescriptions by LGL Ltd. (Gaboury 2003). Previous work completed through the ERWRP included several 'debris catcher' structures designed to protect the Weyerhaeuser side-channel, capture wood and create lateral scour pools. Additional projects have been completed near the Highway 19a Bridge to reduce bank erosion with ancillary fish habitat benefits. In 2006, a total of six new LWD sites, six boulder groynes and two boulder-riffle enhancement sites were constructed in six and a half days from July 19-27. Additionally, five previously constructed LWD site were enhanced with additional wood and rock to increase complexity and reduce site porosity. This project was co-funded by Living Rivers-Georgia Basin/Vancouver Island (2006-11), a program of the BC Living Rivers Trust Fund.

Report Type
  Fish and Aquatic Habitat Information
 
Subject
  Biogeoclimatic Zone - CDF Coastal Douglas-fir Zone
  Fish and Fish Habitat - Restoration
  Fish Species - Coho Salmon - Oncorhynchus kisutch
  Fish Species - Steelhead - Oncorhynchus mykiss
  Region - Vancouver Island
  Watershed Groups - 920 - Vancouver Island (East) Rivers
  Water Information - Channel Morphology
  Water Information - Restoration
 


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