颁布单位：[University of Alberta] |
颁布时间：1983 |
实施时间：1983 |
学科分类：[Periglacial, Features, Frost, Action, on, Rocks, and, Soil, District, of, Mackenzie,, NW, Frozen, Ground, (general), Plant, Ecology, Mackenzie, Delta, Permafrost]
颁布单位：[University of Alberta] |
颁布时间：1974 |
实施时间：1974 |
学科分类：[Soils--Mackenzie, River, Delta, Region, (N.W.T., and, Yukon), Plant, communities--Mackenzie, River, Delta, Region, (N.W.T., and, Yukon), Landforms--Mackenzie, River, Delta, Region, (N.W.T., and, Yukon)]
效力级别
1983
