Biofuel Shelf Life : The length of time before wood deteriorates beyond the point where it may be useful for biofuel. Generally assumed to be the period from death to when the tree falls over due to root or butt rot
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}