Bulletin (English, PDF)

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Publisher-reported update

2026-08-26

The Canadian Environmental Assessment Act legislates that development activities requiring federal permits be assessed through environmental screening, and environmental impacts mitigated with existing technology. The implementation of Mining Land Use Regulations on mineral claims in Yukon will require routine environmental impact assessment within a permitting system. A database of known environmental impacts related to mineral exploration and placer mining will thus make the screening process more efficient. This particular project focuses on three different mining districts of Yukon, and provides information on soil, overburden, vegetation, slope stability, and permafrost conditions on disturbed and undisturbed surfaces related to mineral exploration and placer mining. Disturbances included in this study consist of trenches (dating from 1912 to 1993), drill pads (dating from 1967 to 1993), ripped and compacted surfaces associated with roads and camps, and placer mine highwalls and tailings piles (dating from 1911 to 1993). Observations include detailed vegetation description(tree, tall shrubs, low shrub, dwarf shrub, herb, graminoid, and mosses and lichens layers), soil…

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