. Ecology of the aspen parkland of western Canada in relation to land use . Figure 41. An aerial view in spring of aspen parkland, illustrating advanced succession. Across the foreground is a strip where the groves of aspen have started to coalesce and the grass (light color) is almost crowded out. The central groves surround sloughs with heavy border growths of willow but still with some open water, whereas the groves to the right have overgrown sloughs that have dried up. The grassland is being invaded by patches of snow- berry (dark) and sucker growth from the aspens. In the mid-distance tw
. Ecology of the aspen parkland of western Canada in relation to land use . Figure 41. An aerial view in spring of aspen parkland, illustrating advanced succession. Across the foreground is a strip where the groves of aspen have started to coalesce and the grass (light color) is almost crowded out. The central groves surround sloughs with heavy border growths of willow but still with some open water, whereas the groves to the right have overgrown sloughs that have dried up. The grassland is being invaded by patches of snow- berry (dark) and sucker growth from the aspens. In the mid-distance two prominent sloughs show bands of willow. These have deep water, which extends beyond the willow and prevents the establishment of aspen. 120
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Keywords: ., bookcentury1900, booksubjectecology, booksubjectnaturalhistory
