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REP08531
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REP08531
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Last modified
8/24/2016 11:38:23 PM
Creation date
11/26/2007 11:54:32 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Report
Doc Name
HISTORIC RECORD STUDY AREA VEGETATION AND PRECIPITATION CHARACTERIZATION 1997 WEST ELK MINE SOMERSET
Permit Index Doc Type
REVEG MONITORING REPORT
Media Type
D
Archive
No
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VI. SUlvIl1-IARY AND CONCLUSIONS <br />The historic record study area was created in 1996 to provide a location for sampling a <br />vegetation community representative of that which could be expected to be re- <br />established during reclamation at the West Elk Mine. Vegetation sampling was <br />initiated in the historic record vegetation community in 1996 and continued in 1997. <br />Quantitative vegetation sampling of four vegetation parameters was undertaken at the <br />historic record vegetation community in 1997. Based on the prevailing precipitation <br />regime for the 1997 growing season, it was established that the 1997 historic record <br />vegetation community parameter values are representative of a "normal" precipitation <br />year at the vegetation community. Total vegetation cover, total herbaceous production, <br />and species numbers showed significant increases over parameter values from the dry <br />1996 season. Woody plant density numbers showed a slight increase. <br />Increases in vegetation parameter values are attributed to corresponding increases in <br />"pre-growing season" precipitation. Mathematical relationships between "pre-growing <br />season" precipitation and herbaceous vegetation communities at the West Elk Mine <br />were explored and found to partially explain observed results at the vegetation <br />communities. With additional data to be collected in a "wet" precipitation year, these <br />mathematical relationships may provide a reliable predictive tool in establishing <br />revegetation success criteria based on the historic record. <br />-13- <br />
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