GIS Protocols in Mapping Ecological Landtypes for the Hoosier National Forest

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GIS protocols were developed to map ecological landtypes (ELTs) containing dry slopes, mesic slopes, dry ridges, mesic ridges, and bottomlands for the Hoosier National Forest, Indiana, United States. The mapping techniques included separating hills from valleys, dividing hills into north- and south-facing slopes, differentiating narrow from wide ridges, and noise removal with raster and vector methods. This article examined ELT mapping with both 30- and 10-m resolution data. This article also compared different GIS operations involved in ELT mapping. The accuracy of the ELT map created was assessed on the ground, and accuracy could reach 100% if boundary-location and small-area errors were excluded. The GIS protocols involved in this study were effective and have broad implications for mapping ELTs in other geographic areas. For larger areas, more automated GIS procedures will be necessary.

Keywords: ELT mapping; Geographic information systems; digital elevation models; ecological classification; forest management

Document Type: Regular Article

Affiliations: 1: Department of Forestry and Natural Resources Purdue University 195 Marsteller Street West Lafayette IN 47907 2: Hoosier National Forest 811 Constitution Avenue Bedford IN 47421 3: Hoosier National Forest 248 15th Street Tell City IN 47586

Publication date: December 1, 2004

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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