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• TABLE OF CONTENTS <br />Page <br />A. INTRODUCTION .................................................. 1 <br />B. AREA TO BE MINED .............................................. 2 <br />B.1. Purpose of Sampling ......................................... 2 <br />B,2. Time of Sampling ....................................... 2 <br />B,3. Stratification by•Subsite ................................... 2 <br />B,4. Density of Sandsage ......................................... 3 <br />B.4.1. Purpose of sampling ....................................... 3 <br />B,4.2. General sampling procedure ................................ 3 <br />B.4.3. Plot size ................................................. 3 <br />B.4.4. Sample size ............................................... 3 <br />B,4.5, Statistical calculations .................................. 4 <br />B.S. Species Diversity ........................................... 4 <br />B.5.1. Introduction .............................................. 4 <br />8.5.2. General sampling procedure ................................ 4 <br />B.5.3:' Plot size ................................................. 4 <br />B.5.4. Sample size ............................................... 6 <br />B.5.5. Statistical calculations .................................. 6 <br />B,6. Cover, Productivity and Botanical Composition ............... 6 <br />B,6.1. Purpose and time of sampling .............................. 6 <br />B,6.2. General sampling procedure ................................ 9 <br />B.6.3. Plot size ................................................. 9 <br />B.6.4. Sample size ........ ................................ 9 <br />....... <br />B.6.5. Statistical calculations .................................. 9 <br />C. REFERENCE AREAS ............................................... 11 <br />C.1. Purpose of Sampling ......................................... 11 <br />C.2. General Sampling Procedure .................................. 11 <br />C.3, Statistical Calculations .................................... 11 <br />C.3.1. For reference area comparability .......................... 11 <br />C.3.2. For success standards ...................................•. 11 <br />D. REVEGETATED AREAS ............................................. 12 <br />D.1. Introduction ................................................ 12 <br />D,1,1. Scheduling activities in liability period ................. 12 <br />D,1.2. Activities in years Y4, Y5 and Y6 ......................... 12 <br />D,1.3. Activities in Y7 and Y8 ................................... 13 <br />D,1.4. Activities in Y9 and Y10 .................................. 13 <br />D. 2. Measurements of Success ..................................... 13 <br />D.2.1. General sampling procedure ................................ 13 <br />D.2.2. Sandsage density .......................................... 14 <br />D. 2.3. Sandsage growth ........................................... 14 <br />D.2.4, Species diversity ......................................... 15 <br />D.2.5. Cover and productivity of perennial herbaceous species .... 15 <br />D.2.6, Seasonal variety .. ..... .............................. 15 <br />3, COIdPARABILITY GF IEFERENCE AREAS• .............................. <br />• <br />