Suggested lead: For the last 12 years researchers have been prowling Minnesotas woods and prairies, armed with pens, papers, and nature books. They're with the Minnesota County Biological Survey. collecting information on the distribution and ecology of native habitats and rare plant species. The information will be used in a number of ways including as an aid to local officials making land use decisions.But, as Minnesota Public Radio's Bob Reha reports, not everyone is thrilled with that idea.