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2011-03-18_REVISION - C1994082
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2011-03-18_REVISION - C1994082
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Last modified
8/24/2016 4:31:52 PM
Creation date
3/21/2011 10:57:38 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
REVISION
Doc Date
3/18/2011
Doc Name
Revised Report for Evaluation Procedures For Testing Reclamation
From
Seneca Coal Company
To
DRMS
Type & Sequence
SL3
Email Name
SLB
SB1
Media Type
D
Archive
No
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RESULTS <br />Numerical data are found in Tables 1 through 9 of Appendix 1. Sample data from the 2010 <br />revegetation monitoring studies at the Yoast Mine are presented in Tables 1 through 5. Sampling <br />data are summarized in Table 6. Data on species density by lifeform are tabulated for the <br />sampled areas in Table 7. Data on relative cover by lifeform are compiled in Table 8. Statistical <br />adequacy of sampling is reviewed in Table 9. The list of plant species observed during these <br />studies (reclaimed and reference areas) is included as Table 10 in Appendix 2. Seed mixes used <br />in the reclamation areas are included for reference in Appendix 3. Photographs of representative <br />locations within the reclaimed areas sampled in 2010, as well as photographs of the Aspen, <br />Mountain Brush, Sage brush/Sn owberry, and Steep Mountain Brush Reference areas, are <br />included in Appendix 4. Calculations related to evaluation of data under permit-prescribed tests <br />of species diversity are set forth in Appendix 5. Graphs of vegetation and climate data are <br />presented in Figures 1 through 9 of this report. <br />In the cover descriptions below, species listed as "also present" were not "hit" during point- <br />intercept sampling but were present within one meter of either side of the 50 m sample transect <br />line. Unless otherwise stated, all cover values are for absolute all-hit data only. Percentages are <br />rounded to facilitate discussion of the results. <br />Phase 11 Bond Release Area <br />(Photographs 1 through 6) <br />COVER <br />(Table 1) <br />Introduced perennial forbs, introduced annual and biennial forbs, and native perennial cool <br />season grasses were the predominant lifeforms observed in the Phase II Bond Release Area, <br />contributing 17.5, 12.0 and 12.6 percent of the all-hit vegetation cover respectively. Introduced <br />perennial cool season grasses, native annual and biennial forbs, native perennial forbs, <br />introduced annual grasses, native shrubs, and bryophytes contributed 4.5, 3.1, 4.6, 2.6, 1.0 and <br />0.5 percent cover respectively. The introduced perennial forb cover was composed mostly of <br />alfalfa (Medicago sativa). Introduced annual and biennial forbs cover consisted mostly of two lobe <br />speedwell (Pocilla biloba), prickly lettuce (Lactuca serriola), and Jim Hill mustard (Sisimbrium <br />altissimum). Native perennial cool season grass cover was predominantly composed of slender <br />wheatgrass (Elymus trachycaulus), western wheatgrass (Pascopyrum smithit), Canada bluegrass
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