. The chemical composition of native forage plants of southern Alberta and Saskatchewan in relation to grazing practices. Forage plants; Forage plants; Forage plants; Plantes fourragères; Plantes fourragères; Plantes fourragères. 14 and slightly moister conditions than those under which Mixed Prairie is developed. It occurs on soils of the Black zone and may develop on Shallow Black soils also (33).. Figure 3.—Range types in the Rocky Mountain Foothills. Submontane prairie in foreground with forest range on higher ground close to the mountains. Willows are common in lower-lying parts of the gr
. The chemical composition of native forage plants of southern Alberta and Saskatchewan in relation to grazing practices. Forage plants; Forage plants; Forage plants; Plantes fourragères; Plantes fourragères; Plantes fourragères. 14 and slightly moister conditions than those under which Mixed Prairie is developed. It occurs on soils of the Black zone and may develop on Shallow Black soils also (33).. Figure 3.—Range types in the Rocky Mountain Foothills. Submontane prairie in foreground with forest range on higher ground close to the mountains. Willows are common in lower-lying parts of the grassland. The principal species is rough fescue, while Idaho fescue {Festuca idahoen- sis), wild oatgrass (Danthania intermedia) and Parry's oatgrass (D. Parryi) often are abundant. Junegrass, northern wheatgrass, awned wheatgrass (Agro- vyron trachycauhim var. unilaterale), short-awned porcupine grass and Hooker's oatgrass {Avena Hookeri) are common. Forbs are relatively abundant and include species of hedysarum, lupine and wild geranium. The principal shrubs are shrubby einquefoil (Dasivhora fruticosa), wild roses and snowberry. Aspen poplar and willows occur in low spots and on sheltered slopes. Vegetation of Sandhill Areas In the Great Sandhills and other smaller areas where sand dune formation 1ms occurred there is considerable variation in plant cover, mainly in response to differences in soil moisture conditions. On areas where the water-table is at a considerable depth, the vegetation consists mainly of grassland. Many of the species found in the prairie associa- tions, such as common speargrass, grama grass, Junegrass, involute-leaved <edgc, pasture sage and smooth goldenrod (Solidago glaberrimct) are abundant. In addition, several plants occur which are characteristic of sandy soils. These include sandgrass (Calamovilfa longifolia), sand dropseed (Sporobolus cryp- tandrus), Indian ricegrass (Oryzopsis hyinctioidos) and Canada wild rye (Elymus canadensis). Sand
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