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Fractal Properties of Forest Spatial Structure

Mikhail A. Vedyushkin
Vegetatio
Vol. 113, No. 1 (Jul., 1994), pp. 65-70
Published by: Springer
Stable URL: http://www.jstor.org/stable/20046456
Page Count: 6
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Fractal Properties of Forest Spatial Structure
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Abstract

The definition of fractal dimension of natural objects, which enables to deal with scale dependence of fractal dimension is discussed. Abrupt changes of fractal dimension of spatial structure of terrestrial ecosystems are considered in the context of hierarchical paradigm. On this ground the procedure is proposed for segmentation of a territory, which takes into account the scale dependence of spatial variability of ecological parameters. Using remotely sensed data -- normalized difference vegetation index (NDVI) and thermal radiation in the infrared band -- fractal dimensions and critical scales are evaluated for different forest types with the help of software, developed for this purpose. The results obtained corroborate the potentialities of fractal approach in ecology. These methods and results can be used for discrimination of remotely sensed data; but further investigations, including detailed comparison of fractal characteristics of remotely sensed forest images with results of on-site field studies are necessary to validate them.

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