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Computer Corner: A GIS-Based Technique for Randomly Selecting Sample Units on the Landscape

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Abstract:

We describe a simple rapid method for randomly selecting sample units using digital orthophotos in a GIS. A table of coordinates is generated to allow the use of a portable GPS unit to locate sample units in the field. This technique greatly improves use of random numbers tables, grids, and other manual methods of field sample selection and location. North. J. Appl. For. 18(2):42–43.

Keywords: GIS; environmental management; forest; forest management; forest resources; forestry; forestry research; forestry science; natural resource management; natural resources; probability sampling; random sampling

Document Type: Miscellaneous

Affiliations: 1: Kansas Department of Wildlife and Parks, Emporia Research and Survey Office, P.O. Box 1525 Emporia State University, P.O. Box 4050 Emporia, KS, 66801 2: Kansas Department of Wildlife and Parks, Emporia Research and Survey Office, P.O. Box 1525 Emporia, KS, 66801

Publication date: 2001-06-01

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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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