2011-03-24_REPORT - C1981019 (10)

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Compendium 3 - EP040 ^r`kyw aF Ms .' i REVEGETATION DATA Groun Cover % 9 Growing Seasons --> 2 4 7 9 10 ?gam - yd _.. b ' CB Year Sampled--> Perennial Grasses Perennial Forbs Shrubs Annuals / Biennials Noxious 2005 14.6 0.1 - 30.1 2007 39.8 0.3 - 20.7 2010 30.6 2.0 - 12.8 0.2 2012 2013 .. REVEGETATION SPECIFICATIONS Litter 31.9 27.9 Rock 1.6 0.7 Bare Ground 21.7 10.7 Ground Cover 100% 80% 41.1 0.8 12.7. 11 Unit. EP Acres: 10.3 Location:. East Ph N- G- "a season, 2003 60% a A' '. _ _- 2010 5 cess TO ra h : L . Criterion 42.5% Aspecl: n Avg. °b Slope: Regrading Notes: _ 20% _._ _. ...... .._. _; [Topsoil: Mo/Yr of Placement: r. Depth' of Placed Topsoil Surface Preparation-. 2 2013 20 , 1 2005 2007 2010 Soli Au mentati on Activities Mo./Yr. Its/ac. + Wood Plant Density countoblc Shrub. Growing Seasons --> 2 4 7 9 10 Year Sampled--> 2005 2007 2010 2012 2013 - Young fi Mature per acre 0 8 22 Seeding Dominant Emergent Species- Woody Plant Density method:- (Most Current Year Onl y) 1200 Total 0 PlS / Acre:. 13.65 d 5 i 1000 of Seeding Mo./Yr seede pec cs Species Seeded: KS/- Thickspike Whea[gress 800 Grasses 3.46 51-bank Whoa rasa e 600 Thicks ike Wheat rass 0.34 Basin Wild a V a Streambank Wheat rasa 0.34 Beardless Bluebunch W. 400 Beardless Bluebunch W. 0.67 Cicer Milkvetch ? 200 Western Wheat rass 0.79 Western Whea rasa 0 Slender Whea rays 0.49 Slender Wheatrass 2* 63 2005 2007 2010 2012 2013 Mountain Brame 48 0 Volunteer -- Basin Wildrye . 0.20 : Cheatgress 15.48 Current Annual Productl00 (Pounds per Acre) Rock Mtn. Fescue 0.10 Siberian Whea rasa 4.61 Growing.Sa3sons--> 2 4 7 9 SO Big Bluegrass O.OS Tumble Mustard 3.95 Year Sampled--> 2005 2007 2010 2012 2013 orbs 3.06 False Salsify 2.85 Perennial Grasses 1,476.4 ern Yarrow 0.04 Blue-Eyed Mary 2.41 Perennial Forbs - 93S iana Sage 1.04 Kentucky Bluegrass 2.31 Sub-shrubs c Aster 0.02 Smooth Brome 1.43 Annual Grasses - 11.1 Milkvetch 0.30 Bluebunch Wheatgrass 1.32 Annual Forbs 35.3 Flax 0.09 Total 1,616.3 oin 1.45 Taxa w/ -rrposrdon - taxa ti l P d r nstemon V 0.06 <ptrnting toward diversity standard ro uc on Current Annua 3000 ___.. Mtn. Penstemon kn 0.06 (3%aXc5o°A.,) are in blue. Shrubs 7.13 ` Remediation / Weed Control ' - ' ceber 1.69 Measures / Other. Notes( l 2500 Sage 0.06 Consider treatment of annual ed Sae 0.01 brome pulation. 2000 a ebrush 0.02 vmg sM.U.h 0.8 4 a 1500 Winterfat 0.51 - Rubber Rabbitbrush 0.04 Shrub Qualified, Acres c Antelope Bitterbrush 2.90 (>150 Stems per Acre) a 1000 2010 Success Criterion = Wood's Rose 0.48 - '.BD 481 Pere n ial IlxaI_ ' ' Mountain Snowber 0.58 500 ............... .. ..::. :-.-,? .......,. *Shrub patches were delineated using li 300 id 0 ne. stems per acre as a gu e additional acres may qualify. Therefore 2005 2007 2010 2012 2013 , RECOMM ENDATIONS Divemi - Area has low perennial grew cover for 7-year old reveg, very low WPD. Success Criteria: 2 perennial grasses between 3% and 50% Relative Cover Noxious weeds are reasonab ly well con trolled Forb Relative Cover between 194 and 5096 Annual brome populations e ra slightly e levated. Gmwing Seasons --> 2 4 7 9 10 Use of Plateau is recommen ded. Year Sampled --> 2005 2007 2010 2012 2013 Shrub Qualified Acres need t o be deter mined. Perennial Grasses 4 4 6 Monitor a vain in 2012 9th g rowing sea son Perennial Forbs 26.46 0.66 16.14 Cedar Creek Associates, Inc. 17 Colowyo Mine 2010 Revegetation Monitoring Report