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Forest Health Information Management

Estimating the Number of Green Trees Within Suppression Beetle Management Units

Back to the Forest Health Data Index | Forest Health Home Page


Using the numbers of red trees is estimated using the data provided from the Provincial Aerial Overview Survey and processed using  the red estimation method, combined with an estimated Green: Red, an estimate of the numbers of green attack (brood containing) trees can be generated.

The total number of green  trees for each suppression BMU  is calculated using:

Total number of red trees x avg. Green:Red = Estimated number of green trees


Back to the Suppression BMU Data Requirement Page


Back to the Forest Health Data Index | Forest Health Home Page

Last updated on October 19, 2005
The contact for this web page is: tim.ebata@gov.bc.ca

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BC Ministry of Forests and Range Forest Practices Branch