REP40073

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/29/2002
• Doc Name: 2001 AHR & ARR Exhibit 11 to Exhibit 13
• From: Colowyo Coal Company
• To: DMG
• Annual Report Year: 2001
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

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INTRODUCTION .............................................................................................................1
METHODS ......................................................................................................................1
Seedling Density via Frequency on Newly Seeded Areas ........................... ................................ 1
Location of Samples in the Two- and Four-year Old Areas ......................... ................................ 1
Cover Sampling ............................................................................................ ................................1
Species Diversity (Density) .......................................................................... ................................2
Woody Plant Density Sampling .................................................................... ................................2
Photographic Record .................................................................................... ................................2
Plant Nomenclature ...................................................................................... ...........................~..3
Climatic Data ................................................................................................. ..............:................3
RESULTS .......................................................................................................................3
DISCUSSION ..................................................................................................................3
Climatic Conditions .............................................................. .........................................................4
Cover .............................................................................:..... ......................................................... 4
Species Diversity ................................................................. ......................................................... 5
Species Composition ........................................................... .........................................................6
Woody Plant Density ........................................................... .........................................................6
Sample Adequacy ............................................................... .........................................................6
LITERATURE CITED ......................................................................................................7
List of Figures
1 Precipitation by Month (1998 to 2001)
2 Precipitation by Month and Year
3 Total Precipitation for Previous 12 Months
4 Total Precipitation for Previous 6 Months
5 Total Precipitation for Previous 4 Months
6 Total Degree Days (January -July, 1998 - 2001)
7 Total Miles of Wind
8 Average Foliar Cover (Point Intercept)
9 Woody Plant Density Data
10 Species Density by Lifeform
11 Relative Vegetation Cover by Lifeform
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