To provide information on anthropogenic transformation of the biosphere circa 1700 for global land use studies and research on human-environment interactions.

To provide information on anthropogenic transformation of the biosphere circa 1800 for global land use studies and research on human-environment interactions.

To provide information on anthropogenic transformation of the biosphere circa 2000 for global land use studies and research on human-environment interactions.

To provide information on anthropogenic transformation of the biosphere circa 1900 for global land use studies and research on human-environment interactions.

To provide information on global land use for research on human-environment interactions.