Part B, Working Papers, February 1974 - Special Collections - US ...

Glossary:The following glossary Indicates the definitions of certain technicalforestry terms as these terms are used in the reports on the inland forests.Area - the area of SVN studied in detail for damage assessment was thatportion of the country defined as MR III, Located in the Terrace Region of thecountry (Section II E[l] and comprised of the provinces of Bien-Hoa, Binh-Duong, Binh-Long, Binh-Tuy, Gia-Dinh, Hua-Nghia, Long-An, Long-Khan,Phuoc-Long, Phuoc-Tuy, and Tay-Ninh (Fig. Ml B-l).Damage -Damage is defined as the loss of standing commercial volume asof the winter 1971-1972. Major herbicide operations were terminated inearly 1971. It does not include timber killed by herbicide but salvagedbetween the time of the kill and the time of sampling, nor does it includenonmerchantable timber.Dbh - Diameter at breast height of a stem equal to 1.5 meters abovethe ground.Exp1oitab|e^merchantabje vo1ume - Merchantable timber ' volume in logform, sealed under the Hoppus rules, acceptable in the South Vietnamese industrialmarket for manufacture into lumber, veneer and plywood. It does not includetimber used directly for fuel, or converted to charcoal for fuel, or used foragricultural and home uses in non-manufactured form.Forest, - Forest is defined as those major areas of land which fall intothe following Rollet vegetation types, dense forests, secondary forests, openforests, semi-dense forests. Lone forests were not included.Inventory Merchantab!e Volume - The volume based on the inventorymerchantable height which is the height from the stump at 1.0 meter to thefirst 1imb.Inventory Total Volume - The volume based on total height of a tree.Merchantable Volume - Merchantable volume Is defined as volume in termsof logs scaled under the Hoppus rule - the customary basis for marketinglogs in Southeast Asia.Non-Me rchan tab Ie T i mbe r - Non-merchantable timber is defined as the woodyvegetation in the forest not utilizable for product manufacture. It includesthe non-utilizable stem and crown of merchantable trees, trees of merchantablesize but of non-utilized species or of non-usable quality and all trees thatare below merchantable size.Observed Merchantable Mortality Area - Observed merchantable mortalityarea is defined as an area on the sample that was observed to have merchantablesize dead trees.'In forest products practice, a difference is made between merchantable andcomme re iaX- timber. For simplification, this difference is not observed in thisrepor,t, and only the term "merchantable" Is used."1-22