Section 669-4-3 - DefinitionsA.Applicability of Definitions. All terms used in these rules shall have the same meaning as set forth in 12 MRSA §1012 unless otherwise expressly provided herein:B.Gross merchantable volume. Volume in trees with dbh greater than 5", measured to a 4" top, without any deduction made for cull.C.Net merchantable volume. Gross merchantable volume less deductions for cull.D.Commercial species The following native trees are defined as commercial species:
| All Pines All spruces American Larch (Tamarack) Hemlock Northern white Cedar Balsam Fir All Ashes Trembling Aspen | Soft Maple Sugar Maple Basswood Beech Paper Birch Yellow Birch Black Cherry American Elm | Large-Toothed Poplar All Oaks except Scrub Oak Gray Birch |
Exotic tree species shall be considered commercial species if they attain a size and quality suitable for pulpwood or sawtimber when grown in Maine.
E.Fir mixed with host species. Fir is defined to be mixed with host species if it is in a type composed of more than 75% fir, spruce, and hemlock species, by gross merchantable volume.F.Fir mixed with nonhost species. Fir is defined to be mixed with nonhost species if it is in a type composed of more than 25% commercial species other than spruce, fir, and hemlock, by gross merchantable volume. All stands which would be classified as "mixed wood" for purposes of the Tree Growth Tax Law fall into this category.G.Renewal cutting. Any harvesting operation in even-aged types older than 25 years which leaves a residual stocking of less than 5 cords/acre gross merchantable volume.H.New market. A new market is a market meeting one of the following conditions:1. An existing processing facility which used no spruce or fir originating from Maine other than sawlogs prior to January 1, 1976;2. A processing facility using spruce or fir other than sawlogs which has been made operational for the first time after January 1, 1976; or3. A net physical expansion of an existing facility. Net expansion is defined as the volume of spruce and fir other than sawlogs used by an expanded wood processing plant less the average annual volume of spruce and fir other than sawlogs used by that plant during the calendar years 1973-1975.I.Stands suitable for salvage cutting. A stand is suitable for salvage cutting if at least 50% of the gross merchantable volume consists of trees which are dead or dying from budworm damage.