Concern over the potential impacts of logging on sockeye salmon (Oncorhynchus nerka) in the Stuart-Takla watersheds has led to the initiation of a multi-agency project to study the effects of forest practices on fish production and aquatic environments (Macdonald et al. 1992). Results will assist in the development of fish/forestry guidelines for interior areas of British Columbia. The effects of logging and road construction on sediment input to streams are strongly influenced by the erodibility and stability of the local surficial materials. Thus a terrain (surficial geology) map is an essential part of the database for any fish/forestry project. The objectives of the present project were to produce 1:20000 scale terrain maps and sediment source maps for three watersheds (about 19000 ha) where logging practices are to be monitored. This report describes how these maps were prepared and provides additional information about surficial materials and sediment sources. Some recommendations for land management are included.
Ryder, J.. 2009. Stuart-Takla watersheds: terrain and sediment sources. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Working Paper (FLNRORD). WP3
Topic: FLNRORD Research Program
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