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“Ecosystem consequences of plant life form canges at three sites in the semiarid United States”
121 (4): 551-563.
1999.
“Using an environmental science course to promote science literacy”
29 (2): 105-110.
1999.
“Effects of slash and burn management on soil aggregate C and N in tropical deciduous forest.”
88: 12-Jan.
1999.
“Demography of Bouteloua gracilis in a mixed prairie: Analysis of genets and individuals”
87: 223-243.
1999.
1999.
1999.
“Potential impacts on Colorado Rocky Mountain weather due to land use changes on the adjacent Great Plains”
104: 16673.
1999.
1999.
1999.
1998.
1998.
“Responses of Spectral indices to Variations in Vegetation Cover and Soil Background”
64 (9): 915-921.
1998.
1998.
1998.
1998.
“A comparison of the performance of nine soil organic matter models using datasets from seven long-term experiments”
81: 153-225.
1998.
1998.
1998.
2000.
2000.