REV12754

• Permit No: C1981025
• IBM Index Class Name: Revision
• Doc Date: 3/25/1994
• Doc Name: NORTH THOMPSON CREEK MINE SPECIES DIVERSITY STANDARD TR
• From: HAYES ENVIRONMENTAL SERVICES INC
• To: J E STOVER & ASSOCIATES
• Type & Sequence: TR16
• Media Type: D
• Archive: No

Table 1 - Summary number of hits and relative cover (based
on all hits), North Thompson Creek Mountain Shrubland
- Dry Phase Affected Area, 1980 data.*
SPECIES NAME
of REL %,
hits COVER:
PERENNIAL GRASSES-------------------------------------------,~
S Oryzopsis hymenoides 1 0.6 rd
P Poa fendleriana 1 0.6 `
E ~
C PERENNIAL SEDGES--------------------------------------------
I Carex rossii 1 0.6
E
S PERENNIAL FORBS------------------------------------- --------
Eriogonum umbellatum 1 0.6
Opuntia fragilis 2
~ 1.3
Mahonia repens o*^-g.• •~,,~{~c "r+ + ` ~•"• '`r
2 1.3
Maianthemum stellatum 1 0.6
Penstemon species 1 0.6
Solidago sparsiflora 1 0.6

SHRUBS---------------------------------------------- --------
Amelanchier alnifolia 15 9.6
Cercocarpus montanus 13 8.3
Prunus virginiana 3 1.9
Purshia tridentate ^~
'
` ~~ 8 5.1 ~
V Quercus gambelii
«°°- ° 69 44.2 - ~ ono
Rosa woodsii 4 2.6 ~
~
Symphoricarpos oreophilus 20 12.8 1 h
~
°'
TREES----------------------------------------------- ------=
-
Pinus edulis 11 1
7.1`
Psuedotsuga menziesii ur~~s ~. 2 1.3 ~ w
Total vegetation 156 100.0
Total perennial vegetation 156 100.0
Total number of species with > 3%
relative cover (bold type): 6
Maximum relative percentage for one 44.2
species:
* - Data for number of hits based on Table 3.2.2-1, page 27
of 1980 "Vegetation Inventory; Snowmass Mines; Pitkin County
Colorado".