Abstract #300887

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JSM 2002 Abstract #300887
Activity Number: 250
Type: Contributed
Date/Time: Tuesday, August 13, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Statistics & the Environment*
Abstract - #300887
Title: Assessing the Effects of Forest Fragmentation Using Satellite Imagery and Inventory Data
Author(s): Ronald McRoberts*+ and Daniel Wendt
Affiliation(s): U.S. Department of Agriculture and U.S. Department of Agriculture
Address: 1992 Folwell Avenue, St. Paul, Minnesota, 55108, USA
Keywords: Correlation analyses
Abstract:

The effects of forest fragmentation on forest composition and structure are assessed using a forest/non-forest classification of satellite imagery and data obtained from measurement of permanent forest inventory plots in Indiana, USA. Simple correlations between area-independent and area-dependent fragmentation measures and measures of forest composition structure were used to assess relationships. Area-independent measures include distance to forest edge, distance to water, distance to developed, and patch size; area-dependent measures include forest area, water area, developed area, and forest edge length; and forest composition and structure measures include numbers of live and dead trees, volume, biomass, basal area, mean diameter, and species diversity. Some results were expected, such as a positive correlation biomass and forest area, while some results were unexpected and interesting, such as a negative correlation between number of species and forest edge length.

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Revised March 2002