颁布单位：[University of Alberta] |  颁布时间：1978 |  实施时间：1978 |  学科分类：[Organic, Terrain, Vegetation,, Influence, of, the, Environment, on, Muskeg, Vegetation, Flora, Plants, Bilberries, Bogs, Botany, Ericaceae, Marshes, Plants,, Influence, of, the, Environment, on, Heather, Peat, Wetlands, Rivers,, Fluviatile, Deposits]

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