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Show 38 A recent study on changes wrought by man's vegetation, as re vegetation27 points pre -settlement habitation of the -constructed The srreamstde valley plain. consisted of by thi study, cottonwood, river birch, th.in leaf alder, hawthorn, willows, dogwood, tooth maple. 28 Today only since much of it was cut a remnant back to make of this natural room to the drastic box-elder,and big vegetation remains, for additional farmland. woods still line the Provo River but their numbers are few in Cotton-> comparison to yester year (see Figure 8). Thus, this streamside vegetation is the riverine or river bottom vegetation wood is the dominant represented as species there is an on Map 6. Although the undergrowth of a cotton- variety of grasses, forbes and shrubs. Beyond one time was dominated blue -bunch work quilt Figure 9). barley 27 by 29 Such . of a a vegetation grass -type Indian rice grass wheatgras s, wheatgrass and the stream -stde prevelance irrigated farmland Where grass are grown. once This lies the broad flat plain that vegetation. , The main species Sandberg bluegrass, and of grasses contrasts sharply that dominates the present at were Western to the patch- landscape (see dominated the landscape, meadow hay, alfalfa, area Earl H. Christensen and has been identified L. as the irrigated pasture Welsh, Presettlement Vegetation Counties, (Salt Lake City: Utah VqJleys of Science Arts and Letters, 1963), Vol. 40, Part II, pp. 163-173. Academy of the Stanley of Western Summit and Wasatch 28Ibid., pp. 168-169. 29lbid., pp. 171-172. |
