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~~'°\ <br />4 .~ <br />PURPOSE <br />TAMARISK/RUSSIAN OLIVE <br />MANAGEMENT PLAN <br />Tamarisk, also known as salt cedar, is a tenacious plant that has a deep root system (up to <br />100 feet) and leaves a saR residue in the soil. These characteristics enable it to quickly <br />replace native riparian vegetation, in summary, tamarisk uses more water than native <br />vegetation than it displaces. Russian Olive is another non-native plats that also out <br />competes native vegetation while consuming large amounts of water. Therefore, as required <br />by the State Division of Minerals and Geology (Division), this Tamarisk/Russian Olive <br />Management Plan is implemented to control the growth of Tamadsk and Russian Olive <br />within disturbed areas of properties under jurisdiction of the Division. Therefore, within the <br />context of thts Plan, whenever the term "tamarisk" is used it should also be understood to <br />mean Russian olive. <br />The Colorado Mined Land Reclamation Board adopted an amendment to their Weed Policy <br />regarding tamarisk and Russian olive on January 19, 2005. Per this policy amendment, this <br />Management Plan is only applicable to areas disturbed by mining activities within the mining <br />permit boundaries that were not in reclamation as of January 19, 2005. Areas that <br />commenced reclamation actlvitles prior to January 19, 2005 are `grandfathered"snd exempt <br />from tamarisk/Russian olive control as governed by the Division. <br />,e3.71~9 <br />Early detection and treatment are the most cost effective means for tamarisk control. <br />Although the State recognizes control of tamarisk should occur on a watershed scale, the <br />Division is required, by regulation, to enforce control of noxious weeds {tamarisk and <br />Russian olive) on lands under their Jurisdiction. <br />The goal of this Management Plan is to control tamarisk to satisfy the post mining land use <br />reclamation plan along with the following criteria: <br />• Tamarisk infestations shall not exceed site conditions prior to disturbance caused by <br />mining and processing activities. <br />• Tamarisk infestations shall not exceed densities on adjacent non-disturbed areas or <br />adjacent properties, which ever is applicable. <br />TAMARISK/RUSSIAN OLIVE IDENTIFICATION <br />Tamarisk and Russian olive are defined as alien plants that have been designated by State <br />rule as being noxious or have been declared noxious weeds by a County Advisory Board. <br />TamazisldRuuim olive tdmsgemenr Plm <br />Revised lunc 1, 2905 <br />Vagneur Pit June 07 E-6 <br />