Jim, Thank you for your comments. A constant ratio (Grosenbaugh's Option 1) applies well to a number of our native hardwoods (and I have used it in hardwood inventory) but it does not apply to our exotic softwoods. Really, I am trying to avoid relying on ratios/relationships because when dealing with a great mixture of species and genera as one finds in rain forest, one has a hell of a problem! Geoff Geoff Wood, email: Geoff.Wood@anu.edu.au Forestry Dept Australian National University Canberra ACT 0200 Australia
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