Peter B. Pearman, Mike R. Penskar, Edward H. Schools, and Helen D. Endander. 2006. Identifying potential indicators of conservation value using Natural Heritage occurrence data. Ecological Applications 16:186–201.

Supplement 1

Two geographic information system data layers showing Michigan's land cover circa 1800 and unchanged land cover circa 1980.
Ecological Archives A016-011-S1.

Copyright

Authors
File list (downloads)
Description

Author(s)

Peter B. Pearman, Michael R. Penskar, Edward H. Schools*, and Helen D. Enander
Michigan Natural Features Inventory
Michigan State University
P. O. Box 30444
Lansing, MI 48909-7944
 * E-mail contact for data questions: [email protected]

File list

supplement1.zip

Description

Supplement1.zip is the compressed archival file containing two GIS data sets, lu1800.e00 and unch_veg.e00.

lu1800 is the land cover of Michigan as interpreted from the survey notes of the Government Land Office (GLO) surveys of the 1800s. Data format is an ESRI polygon coverage in interchange format. Geographic projection is Michigan Georef, NAD 83, meters.

unch_veg.e00 is the current Michigan vegetation that is of a similar vegetation type as present in the same location during the GLO surveys of the 1800s. Data type is an ESRI polygon coverage in interchange format. Geographic projection is Michigan Georef, NAD 83, meters.