. Ecology of the aspen parkland of western Canada in relation to land use . Figure 45. An aspen seedling in Stipa prairie. This seedling probably became established on bare ground created by a burrowing mammal. Figure 46. Aspen grove rubbed and trampled by cattle in the manner described by Henry for buffalo. Figure 47. Buffalo rubbing stone. Large, erratic boulders scattered over the prairie were used by buffalo as rubbing stones. They are still evident today, often have a distinct polish, and are characteristically surrounded by a depression from which soil loosened by trampling has blown awa
. Ecology of the aspen parkland of western Canada in relation to land use . Figure 45. An aspen seedling in Stipa prairie. This seedling probably became established on bare ground created by a burrowing mammal. Figure 46. Aspen grove rubbed and trampled by cattle in the manner described by Henry for buffalo. Figure 47. Buffalo rubbing stone. Large, erratic boulders scattered over the prairie were used by buffalo as rubbing stones. They are still evident today, often have a distinct polish, and are characteristically surrounded by a depression from which soil loosened by trampling has blown away. 122
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Keywords: ., bookcentury1900, booksubjectecology, booksubjectnaturalhistory
