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The overall objectives of this project were to establish both a baseline of fish enumeration and photo point monitoring locations as well as initiate photographic documentation on a constructed spawning and rearing channel within the Nahatlatch River floodplain. The Nahatlatch River is approximately 85 km in length and drains a mountainous watershed of approximately 130,000 ha located Northwest of the town of Boston Bar, BC. The river is a tributary of the Fraser River and provides migration, spawning, and rearing habitat for several salmonids, including chinook, coho, pink, sockeye, steelhead, rainbow trout and bull trout. The drainage has been impacted by past logging practices, and was in recent times the subject of several studies including, but not limited to various fisheries biophysical assessments (Chew & Pederson 1998, Roy 1999, and Griffith 1995). The 17 km site derives its name from the kilometre marks on the Nahatlatch FSR (forest service road), and encompasses the middle section of Reach 1 of the Nahatlatch River (reaches according to Griffith 1995). It includes a floodplain wetland complex consisting of an abandoned channel, beaver ponds, and marshes. The boundaries of the site, for the purpose of this proposal, can be defined as the floodplain on the left bank of the Nahatlatch River between the 17 and 18km marks of the Nahatlatch River FSR. Within the boundaries of the above mentioned study area, instream works were completed in 2000 after assessments by DFO and the Boothroyd Indian Band identified the need for restoring access to an existing relic side channel and wetland to the Nahatlatch River which had been negatively impacted by past logging practices. As a result of instream works, a total of 500 linear meters of extremely valuable fish habitat was restored allowing for fish access along the entire length of the wetland complex.
Roy, Thomas. 2003. Nahatlatch River 2003 effectiveness monitoring on the Nahatlatch River 17km spawning and rearing channel 2003 coho enumeration: project completion abstract. Forest Investment Account (FIA) - Forest Science Program. Forest Investment Account Report. FIA2003MR098
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