Supplement 2. Five geographic information system layers specifying the size and location of areas of high conservation value that were used in this study.

File List
supplement2.zip

Description
supplement2.zip

Compressed archive file containing five GIS datasets, unch_wetland.e00, unch_forest.e00, natareas24_p.e00, nat_comm.e00, all_areas.e00

unch_wetland.e00

Contiguous wetlands in Michigan that are larger than 100 hectares and are of the same wetland type present in the Government Land Office surveys of the 1800s. Data format is ESRI polygon coverage in an ESRI interchange file. Geographic projection is Michigan Georef, NAD 83, meters.

unch_forest.e00

Contiguous forests in Michigan that are larger than 100 hectares and are of the same forest type present in the Government Land Office surveys of the 1800s. Data format is ESRI polygon coverage in an ESRI interchange file. Geographic projection is Michigan Georef, NAD 83, meters.

natareas24_p.e00

State of Michigan designated State Natural Areas. Data format is ESRI polygon coverage in an ESRI interchange file. Geographic projection is Michigan Georef, NAD 83, meters.

nat_comm.e00

Natural communities from the Michigan Natural Features Inventory natural heritage database. Data format is ESRI polygon coverage in an ESRI interchange file. Geographic projection is Michigan Georef, NAD 83, meters.

all_areas.e00

All preceding data sets, unch_wetland.e00, unch_forest.e00, natareas24_p.e00 and nat_comm.e00 merged into one data set. Data format is ESRI polygon coverage in an ESRI interchange file. Geographic projection is Michigan Georef, NAD 83, meters.