2011-03-24_REPORT - C1981019 (10)

Home Browse Search

. Compendium 1 - EP036 M ? REVEGETATION DATA .. Ground Cover % "-r1' A Y r' ?? yiy • I ?'i rS 1 ` -k f t } a r Growing Seasons --> 2 4 7 SO 11 Year5ampled--> 2002 2004 2007 2010 2011 Perennial Grasses 28.3 37.4 35.7 erennial Forbs 8.1 9.4 11.6 Perennial Shrubs 4.6 2.6 3A 23.1 15.6 5.1 Annuals Biennials Noxious O.1 0.1 1.4 Litter 22.7 22.7 32.1 Rock 0.5 0.5 1.0 Bare Ground 12.7 11.9 10.0 Ground Cover 100% ? _ 80% -- - REVEGETATION SPECIFICATIONS Unit: EP036 Acres: 68.3 Locatlon: East Pit Flrst Grow Searon: ?on(, 60% qe q?r _ 2010 Success T ra , , y Critenon 42.5ro'. .. Aspect: Avg, °ro Slope: Regrading Noha: L t " To soil: M./y, of Placement Depth of Placed Topsoil' 0% Surface Preparation 2002 2004 2007 2010 2011 Soil Augmentation Activities Mo./Yr. lbs/ac. ..,. ( Wood Plant DenSi Cc uot blc Shrubs Growing 5e3sorts --> 2 4 7 10 11 YearSampied-> 2002 2004 2007 2010 2011 Young a Ma[ure per acre 1300 694 941 11 Seeding Dominant Emergent specie s- Woody Plant Density Mettrod: (Most Grrre nt Year Only) 1400 Total ,q CL.5 i Acre: i-i S d d S i-t R 1 1200 Mo./Yr. of Seeding ee e p-- Cover E 1000 _- 5 tiny Seeded: >'. CLSlac. Thickspike Wheatgrass 23.33 Grasses 5.06 Cicer Milkvetch 14.30 800 -- - - °°' - ^"' Thicks ike Wheat rass 0.50 Basin Wild rye 9,21 p 600 - Straambank Wheat mss 0050 Siberian Wh rass 8.25 400 --- - ---- ' Siberian Whey rass 0.25 Streambank Whea rass 8.16 3 200 - --- Wes;rnWhea rass 0.67 Alfalfa 4.91 0 Slender Wheat rass 0.33 Kentucky Bluegrass 4.56 2002 2004 2007 2010 2011 Smooth Broma 0.25 Sig Sagebrush 4.47 Mountain Brame 1.00 Smooth Brome 4.30 Current Annual Production Pounds ACre Orchard re 0.25 Alfalfa 2.46 Growing Seasons --> 2 4 7 SO 11 .In Wildrye 0.50 Mtn. Big Sagebrush 2.39 Year Sampled--> 2002 2004 2007 2010 2011 Russian Wild a 0.50 Hard Fescue 1.32 Perennial Grasses - 977.8 2,097.0 Hard Fescue ' Timothy ' Kemuclt BI rass 0.13 0.13 0.06 Nolunteens Ch-, rass 3.25 81va-e .si Ma 2.46 Perennial Forbs Sub-shrubs Annual Grasses - - - 200.9 - 123.8 439.0 - - is 3.81 Canada Thistle 2.37 Annual Forbs 3.9 15.3 Western Yarrow 0.06 Silver Sage 1.32 Total 306.4 2 551.3 - ` Gcer Milkvetch 1467 Be,, dt,.:•4 Bluebunch W. 1.14 ` Arrovdeaf Balsamroot 0.25 Ta[a w/.196 composition - taxa Current Annual Production Lewis Flax 0.33 cnunttn9 toHard diversity standard 2800 Alfalfa 0.13 (3%.X<50%)areblue Sainfoin 1.00 Relnedlatton / Weed control 2400 Palmer penstemon 0.13 Measures /.Other Notes: 2000 _..- Rocit Mtn. Penstemon 0.25 Canada thistle populations should Shrubs 2.44 bes ra ed to prevent further a 1600 Serviceberry 0,13 : spn??d. Fringed Sage 0.06 ... 9 ! 1200 Big Sagebrush 0.13 Shrub Qualified- Acres p Fourwi salthush 1.00 (>150 Stems per Acre) n 8 00 _ - - e 0.13 7 A 33 2010 Su ess r - C r I Rub Rubber r R abbitbrush 0.25 cres . 400 Ser Ep' . g$} b:l?:: e.. •••• ••••••• ••.. .- ••••••• Antelo Bitterbrush 0.50 . Mountain Snowberry 0.25 delineated using •Shrub patches vve m 300 t id li 0 asa a s ems per acre as a gu e ne. Therefore additional acres may qualify. 2002 2004 2007 2010 2011 , EMMEEMMEEMEMEMEME= RECOMMENDATIONS Diversity This area meets all bond release requirements and should be sampled Success Criteria: 2 perennial grasses between 3% and 50% Relative cover !or bond re lease in 2011 or 2012. Fort, Relative Cover between 1% and 50% ( Gro wing Seasons --> 2 4 7 10 11 Canada thistle populations have Increased and should be treated. Year Sam /ed --> 2002 2004 2007 2010 2011 Monitor CSU lots annual . Number of Perennial Grasses 5 5 5 5 ' Forbs % Relative Cover 1 1 9.7 25.0 Cedar Creek Associates, Inc. 13 Colowyo Mine 2010 Revegetation Monitoring Report