Author: Vithayasai, C.

Source: Forest Science, Volume 18, Number 1, 1 March 1972 , pp. 87-92(6)

Publisher: Society of American Foresters

Abstract:

A stochastic model developed by E. C. Pielou permits estimation of the proportion of a forested area that is infected with a given disease when available data consist of the ordering of diseased and healthy trees appearing in randomly placed, narrow belt transects. The infected areas are assumed to contain both diseased and healthy trees, and the model also permits estimation of the proportion of infected trees within the infected areas. Previously published implicit estimation equations are now replaced by explicit estimation formulas and standard errors, along with simplified computations for testing goodness of fit to the assumed model. Forest Sci. 18:87-92.

Keywords: Stochastic model

Document Type: Journal article

Affiliations: 1: Member of the Biometrics and Computer Science Branch, Dep. of the Environment, Ottawa.

Publication date: 1972-03-01

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