Profile picture for Art Johnson

Art Johnson

Organization: University of Pennsylvania, Surficial Processes and Environmental Geology

Affiliations: Surficial Processes and Environmental Geology, University of Pennsylvania


Contact Information

    No contact information available.



List of Projects

Project Role Start End
Plant-Available Forest Soil Calcium Reduced by Half from 1930s to 2006 in AdirondacksProject Lead/Principal Investigator 2005-01-01 Ongoing

Documents

Name Date Authors Type
Seventy-four years of calcium loss from forest soils of the Adirondack Mountains, New York1254110400Art Johnson, James BedisonPublication
A comparison of soil organic matter content in 1932, 1984, and 2005/6 in forests of the Adirondack Mountains, New York1238558400Art Johnson, James BedisonPublication
Seven decades of calcium depletion in organic horizons of Adirondack forest soils1225512000Art Johnson, James BedisonPublication
Controls on the spatial patterns of carbon and nitrogen in Adirondack forest soils along a gradient of nitrogen deposition1224216000Art Johnson, James BedisonPublication
Two decades of change in vegetation in Adirondack spruce-fir, northern hardwood and pine-dominated forests1171947600Art Johnson, James BedisonPublication
Updated radial growth trends for red spruce in the northern Appalachian and Adirondack Mountains915166800Barry Sims, John Donnelly, Art JohnsonPublication