Rice Lake National Wildlife Refuge : historic wild rice mapping (1983 – 2004): Department of Forest Resources Staff Paper

James A Gonsoski, Thomas E. Burk, Paul V. Bolstad, Mary Balogh

Research output: Book/ReportCommissioned report

Abstract

In an effort to get a better understanding of long-term trends on the lake, the University of Minnesota, in cooperation with Region 3 of the U.S. Fish and Wildlife Service has created a series of digitized spatial databases to document the distribution of wild rice on Rice Lake from 1983 through 2004. Aerial photos from seven individual years in that time period – 1983, 1993, 1995, 1996, 1998, 2001 and 2004 – were digitized, orthorectified and used as a thematic reference to create a threeclass representation (wild rice, other vegetation, and open water) of lake vegetation in a geographic information system (GIS) for each of the years analyzed. To create a spatial analysis of the wild rice and ‘other vegetation’ distribution over the entire time period, data from all the years were combined to produce a composite map.
Original languageEnglish (US)
PublisherUniversity of Minnesota
ISBN (Print)181
StatePublished - 2005

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