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RULE 4 PERFORMANCE STANDARDS <br /> ••.,ih.:•.-tw's.,,bP"-..z...MY•W'.,ayy.-rup.•<n.+.z•,s-.<-... rF. vaRxr.tvr.£vR.u<YuN".'i.+}@Rk:,..tsM: .ReQ"AVA.i..MYM+`.$w,t8i..'crt**31.8••("5c rwav;-.••tl..K.t c.q to.v V. ,.'^IN1Ve <br /> to ensure the material is in a loose, rough condition to encourage infiltration of <br /> rain/snowmelt and root development. Overburden with a significant coarse fragment <br /> component is desireable. <br /> b) The area will be tested for overburden suitability as per requirements. <br /> c) An approximate average of four inches of topsoil will be placed to replicate common <br /> topsoil depth conditions in the surrounding area in stands of this nature. Once the topsoil <br /> has been placed, it will be roughened with a disc (pulled by a dozer or other appropriate <br /> machine) to ensure the material is in a loose, rough condition to encourage infiltration of <br /> rain/snowmelt and root development. <br /> d) The Sagebrush Steppe mix has been modified to reduce the volume of"low shrubs" in <br /> favor of tall shrub components of the mix. The grasses currently included in the mix were <br /> reduced to minimize competition, while still providing some soil stabilization function. <br /> The entire trial area will be seeded with the modified Sagebrush Steppe Mix as seen below. <br /> In the event individual components of the mix are unavailable, guidance from the Division <br /> will be sought prior to implementation of the trial. Weedguard fabric or it's equivalent will <br /> be placed in rows(at intervals of approximately 22 feet)and will be used to severely reduce <br /> competition between the containerized plantings and annual weeds and grasses. Please see <br /> the "Expected Field Implementation Plan for Aspen/Tall Shrub Field Trials" illustration <br /> below. <br /> e) Containerized 2-3 foot serviceberry and mahogany plants will utilized from the most <br /> similar source elevation available in the region available. Based on the volume of <br /> containerized plants included in the trial(550),and the expectations of success,a combined <br /> number of(300) serviceberry and mahogony plants within the trial during 2016(from seed <br /> and live plantings) will be considered a successful demonstration of Coloywo's ability to <br /> proceed further with additional plantings. Supplemental planting of serviceberry and <br /> mahogony will be initiated in year 2012 should survival of the 2011 plantings be less than <br /> 350 stems/acre. Alternative methods for demonstrating compliance with the establishment <br /> of Tall Shrub habitat in South Taylor will be initiated with the CPW during 2013, should <br /> failure of this trial continue. <br /> f) Containerized serviceberry and mountain mahogony plants will be placed through the <br /> weed barrier by hand (or by mechanical means if practical and economically feasible) as <br /> per best practices with regards to depth, etc. Proper planting holes are important in <br /> transplant survival. Holes should be two to three times wider than the root ball. If the soil <br /> is clay and the sides of the hole become glazed during digging,the sides of the hole should <br /> be roughened with a spade. Holes should be prewatered before planting in dry soils. This <br /> prevents initial postplant water from migrating away from the root ball. Every effort will <br /> be made to plant at the same depth that the tree or shrub was growing in its previous <br /> location. Damaged roots will be clean-cut with a sharp blade prior to planting. If any <br /> circling or kinked roots are discovered during the transplanting procedure, they will be <br /> severed to prevent future girdling of the plant. Every effort will be made to orient the tree <br /> or shrub in the same direction,relative to the sun, as it was facing in the previous location. <br /> Plantings will be performed in the fall by properly trained personnel. Serviceberry and <br /> mountain mahogony planting densities will be one plant every four linear feet (1/2 <br /> serviceberry, 1/2 mahogony) within a row. <br /> g) Colowyo will place contour furrows immediately above approximately every third <br /> fabric row (approximately every 66 feet). l•he trial will exhibit alternating bands of <br /> Rule 4 Performance Standards 4-58 Revision Date: 1/22/20 <br /> Revision No.: TR-136 <br />