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PLANT <br />COMMON NAME <br />d. Major Poisonous Plants to Livestock <br />2. Wood Products <br />LIVESTOCK <br />AFFECTED <br />broom snakeweed cattle & sheep <br />TYPE <br />POISONING <br />Cumulative, <br />selenium when <br />growing on <br />cretaceous or <br />eocene shales <br />page 7 #326 <br />SEASON <br />SERIOUS <br />when forage <br />is scarce and <br />broom snakeweed <br />greater than <br />10% of diet <br />This site has no potential for growing wood products <br />commercially. Living snowfences and windbreaks may be <br />grown with supplemental irrigation water. Species to <br />consider for these purposes are juniper, pinyon, and <br />Russian olive. <br />3. Wildlife Values <br />Range use that encourages shrub growth will improve <br />critical winter habitat for mule deer. This however <br />may not coincide with maintaining or improving range <br />condition. In general, all range practices that <br />promote good range use and maintain or improve range <br />condition will improve or maintain wildlife habitat for <br />all species. <br />4. Hydrological Interpretations <br />Soils in this site are grouped into "A" and "B" <br />hydrologic groups, as outlined in the Soils of Colorado <br />Loss Factors and Erodibility Hydrologic Groupings <br />handbook. Field investigations are needed to determine <br />hydrologic cover conditions and hydrologic curve <br />numbers. Refer to Peak Flows in Colorado handbook, and <br />SCS National Engineering Handbook, Section 4, for <br />hydrologic curve numbers and determining runoff <br />quantities. <br />The full spread of the natural plant community canopy <br />is about 40 to 50% when in excellent condition. As <br />range condition declines, canopy cover declines <br />rapidly. This normally does not increase runoff on <br />this site due to surface soil textures. However rain <br />drop splash erosion will increase as more surface soil <br />is devoid of cover. <br />