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PERMFILE115946
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PERMFILE115946
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Last modified
8/24/2016 10:11:52 PM
Creation date
11/25/2007 1:33:02 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
BASELINE VEGETATION STUDIES EAST WADGE EXTENSION AREA
Section_Exhibit Name
TAB 10 ADDENDUM 10-2
Media Type
D
Archive
No
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• sq.m. (778 lb /acre). Slightly over half of this total wa; contributed by perennial graminoids <br />(45.5 gm / ~.m.} and most of the remainder was attributable io perennial fords (40.9 gm / <br />sq.m. ). Major individual perennial greminoid species in the production data were Kentucky <br />bluegrass (24.7 gm / sq.m.), nodding and wooly bromes (Bromoosis cilieius end P. lenetipes, <br />4.7 gm / sq.m. ), slender wheatgrasv (3.4 gm / sq.m.), sun sedge (2.9 gm / sq.m.), and <br />bluebunch wheatgrass (2.1 gm / sq.m.). <br />Among perennial forbs, the even mix of thew species in low individual amounts was reflected in <br />their relatively less common occurrence as major contributors in individual clip plots, and thus <br />the undifferentiated perennial forb category is the largest single entry in the forb prgduct~on <br />data. Perennial forb species that were abundant enough to frequently rate individual separation <br />were Rocky Mountain hemlock parsley, showy daisy, end tailcup lupine. <br />Average shrub density (Table 13) was 83.4 stems / 50 sq.m. (6750 stems /acre), over half <br />of which was mountain snowberry (43.6 stems / 50 sq.m.). The other major components of <br />total stem density were Oambel oak (17.1 stems / 50 sq.m.), Saskatoon serviceberry (1 1.4 <br />• stems / 50 sq.m. ),and hig sagebrush (7.6 stems / 50 sq.m. ). <br />3.1.5 SAGEBRUSH <br />The sagebrush vegetation type in the study area is typically dominated by big sagebrush or <br />silver sgaebrush (Artemisia cane) along with mountain snowberry (Figure 7). In some <br />locations, especially on shallow soils, dominance may be shared by big sagebrush along with <br />Douglas rabbitbrush (Chrvsothamnus viscidiflorus) and mountain mahogany (Figure 8). <br />Within the sagebrush type is found a small area (approx. 2 acres, Sample S-9) of vegetation <br />dominated by low sagebrush (Artemisia erbuscula); this variant is related to extremely heavy <br />soiitexture. <br />Total vegetation cover averaged 64.6 cover (Table 14), slightly less than half o(which was <br />comprised of shrubs (30.0 cover). Mountain snowberry was by far the largest component of <br />the shrub cover (16.2 cover); ocher substantial components of the total were silver <br />sagebrush (4.6~ cover), big sagebrush (4.6~ cover), and low sagebrush (3.0~ cover). <br />• <br />Perennial forb cover of 16.8 cover was slightly more then that of perennial graminoids <br />-16- <br />
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