SOC Stocks, NPP, and SOC Change in the Northwestern Great Plains

SOC Stocks, NPP, and SOC Change in the Northwestern Great Plains

These products provide spatial distribution patterns of soil organic carbon (SOC) stocks, net primary production (NPP), and SOC change in the northwestern Great Plains (portions of Montana, Nebraska, North Dakota, South Dakota, and Wyoming) between 1972 and 2001: (a,b) the spatial distributions of total SOC stocks in 1972 and 2001, respectively; (c) the annual average NPP between 1972 and 2001; and (d) the change in SOC stocks from 1972 to 2001, with positive values indicating an increase in SOC stocks over this period. Credit: Z. Tan, South Dakota Center for Biocomplexity Studies; S. Liu, SAIC; C.A. Johnston, South Dakota Center for Biocomplexity Studies; T.R. Loveland, U.S. Geological Survey; L.L. Tieszen, U.S. Geological Survey; J. Liu, U.S. Geological Survey; and R. Kurtz, U.S. Geological Survey (reproduced from Global Biogeochemical Cycles with permission from the American Geophysical Union).

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Carbon Cycle