Datasets

Data Availability Name Description Objective Dates
By requestNAMP Data 1988 to 1999North American Maple Project (NAMP) data for Massachusetts, Maine, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Vermont, and Wisconsin from 1988 to 1999.1988-01-01 to 1999-12-31
By requestNAMP Data 1988 to 1999 ZipNorth American Maple Project (NAMP) data for Massachusetts, Maine, Michigan, Minnesota, New Hampshire, New York, Ohio, Pennsylvania, Vermont, and Wisconsin from 1988 to 1999.Annual measurement of sugar maple forest stands to determine tree condition, trends and possible causes of sugar maple decline, and assess the variation in within-season timing of measurements, using same plot design as in the National Forest Health Monitoring Program (NFHM).1988-01-01 to 1999-12-31