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<br />io <br />RESULTS <br />Significant natural heritage resources were already known from the Rocky <br />l~lats Environmental Technology Site as a result of information gained through <br />various research programs at the site and in the surrounding area in past years. By <br />incorporating the previously collected information and conducting additional <br />studies, CNHP was able to develop preliminary conservation planning boundaries <br />that are necessary to protect the suite of natural heritage resources at the site. The <br />elements occurring in the Rock Creek area were assessed in terms of their <br />c:ontnibution to maintaining natural biological diversity. The following site, Rock <br />Creek, is presented to DOE as a significant conservation site for the protection of <br />the Nation's natural biological diversity. <br />Conservation Site Profile <br />The conservation site is described in a standard site repon. The sections of <br />this report and the contents are outlined and explained below. <br />f>IZE: The approximate acreage included within the conservation planning boundary <br />for the conservation site. <br />IS[ODIVERSCIY RANK: The overall significance of the conservation site in terms of <br />rarity of the natural heritage resources and the quality (health, abundance, etc.) of <br />their occurrences, As discussed on page 5, these ranks range from B1 {Outstanding <br />Signficance) [o B5 (General Biodiversiry Significance). <br />PROTECTION URGENCY RANK: The time frame in which conservation protection <br />dust occur. [n most cases, this rank refers to the need for a major change of <br />protective status (e.g. agency special area designations or ownership). The ranks <br />range from P1 (immediate urgency; within aone-year time frame) to P5 (no known <br />t:.rgency). <br />MANAGEMENT URGENCY: The time frame in which a change in management of <br />t:he element or site must occur. Using best scientific estimates, this rank refers to <br />trite need for management in contrast to protection (e.g. increased fire frequency, <br />decreased herbivory, weed control, etc.). The ranks range from M1 (immediate <br />urgency, within one year) to M5 (no known urgency). <br />LOCATION: The USGS 7.5' quadrangles that include the Conservation Site. The <br />Natural Heritage Program code for the quadrangle is noted in parentheses. <br />CiI:NRRAT. DESCRIPTION: A brief narrative picture of the topography, vegetation, <br />and current use of the conservation site. Common names are used along with the <br />scientific names. <br /> <br />