No.
52, November/December 2002 Special issue: Selected papers from the IALC Conference: Assessing Capabilities of Soil and Water Resources in Drylands: The Role of Information Retrieval and Dissemination Technologies |
Carbon contration in soils (A) and carbon content in litter and soils (B) in a lodgepole pine forest in Little Valley, Nevada. Depths of A horizon sampling in cm are shown in the legend in A, and within each bar in B. (After Johnson et al. 1997 and Susfalk 2000).