Point Sampling : A type of forest sampling in which the sample is selected with a probability proportional to tree size. An angle device (prism) is used to project a constant angle, and all trees wider than that angle are tallied
British Columbia Ministry of Forests and Range, Acronyms and Initialisms for Forestry Terms in British Columbia, Canada 2008. http://www.for.gov.bc.ca/hfd/library/documents/acr onyms/ & http://www.for.gov.bc.ca/hfd/library/documents/glo ssary/Glossary.pdf, (For Fr - Canad) {16}