Glossary: L

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Term Definition French
L-notch planting Special form of slit planting involving two slits at right angles with the seedling placed at the apex of the L. plantation avec fentes en L
Ladder fuels Fuels that provide vertical continuity between the surface fuels and crown fuels in a forest stand, thus contributing to the ease of torching and crowning, for example, tall shrubs, small-sized trees, bark flakes, tree lichens. Combustible étagé
Laminated beam A beam consisting of two or more layers of wood, glued, nailed or otherwise bonded together, with the grain going in the same direction. Poutre lamellée
Lammas shoots Extra leader growth extension late in the growing season. Pousse d’été
Landscape Areas of land that are distinguished by differences in landforms, vegetation, land use, and aesthetic characteristics. Paysage
Larva Immature stage (between the egg and the pupa) in insects that undergo complete metamorphosis before becoming adults. Larve
Larvarium Tube or sheath made by a larva as its shelter. Larvarium
Lay-up The placement of prepared elements into the desired form before pressing. Drapage
Layering The rooting of an undetached branch, lying on or partially buried in the soil, or surrounded by moist fiber sealed in a plastic wrap (air layering), termed a layer, which is capable of independent growth after separation from the parent plan. Marcottage
Layering method Regeneration of a forest stand using layerings. Méthode du marcottage
Leaching Process in which soluble substances in the soil are removed by the movement of water. Lessivage
Leaf Organ in plants that has various forms (needles, scales, etc.) and that carries on photosynthesis, producing energy for life. Feuille
Leaf-fall Normal shedding of leaves in the fall. Défeuillaison
Leaffolder Insect that folds a leaf in two to make a shelter for hiding or feeding. Plieuse
Leafroller Organism that hides and feeds inside a leaf or the tip of a leaf that it has rolled-up into a cigar-shaped tube. Enrouleuse
Leaftier Organism that ties two or more leaves together with silk threads, forming a tube in which to hide and feed. Lieuse
Leave strip A strip of timber left standing between two clearcut areas. Rideau d’arbres
Leave tree A tree (marked to be) left standing in an area where other trees are felled. Arbre marqué en réserve
Lichen An algae and a fungus growing in symbiotic association on solid surfaces such as rocks or tree bark. Lichen
Lichen Organism consisting of a fungus (mycellium) and an alga (green alga cells) living in association. Lichens have a high tolerance for cold, drought and heat. They should not be confused with mosses, which are chlorophyll-containing plants. Lichens
Lifting Loosening and removing a plant from the ground as typically practised in nurseries. Arrachage
Lifting the canopy Removing the lower constituents of a canopy, e.g., the lowest undergrowth, shrubs, and small trees in a multistoried forest, mainly to assist the main crop, particularly for regeneration, but also for readier access. Élagage de dégagement
Light framing lumber Lumber that is 5 to 10 cm thick and 5 to 10 cm wide. It is used in a large variety of general construction applications. Bois à charpente légère
Lignicolous Growing in or on wood. Lignicole
Lignin Main component of wood. Lignine
Lignin A complex and relatively hydrophobic biopolymer present in the secondary cell walls of vascular plants—and particularly abundant in wood—that gives rigidity to plant stems and allows them to conduct water efficiently. Lignine
Lining out Transplanting seedlings or rooted cuttings in rows in a nursery bed. Repiquage en ligne
Liquid alcohols Also known as methyl alcohol or wood alcohol. It is formed in the destructive distillation of wood or made synthetically, and used especially as an alternative fuel, a gasoline additive, a solvent, an antifreeze, or a denaturant for ethyl alcohol. Alcools liquides
Litter Uppermost layer of organic debris on a forest floor. Litière
Live burning The burning of green slash progressively as it is cut. Brûlage immédiat
Live-crown ratio A rough but convenient index of the ability of a tree's crown to nourish the remaining part of the tree; it is the percentage of length of stem having living branches. L-notch planting [plantation avec fentes en L. Taux de cime vivante
Living modified organism (LMO) As defined in the Cartagena Protocol on Biosafety, a living organism that possesses a novel combination of genetic material obtained through the use of modern biotechnology. Organisme vivant modifié (OVM)
Lobe Large division of a leaf. Lobe
Logging damage General term comprising wounds resulting from cutting, breakage, or crushing of trees that resulted from the felling and the removal of trees designated for cutting. May also include scoring of site and soil leading to exposure Dommage de coupe
Lop and top The branches and tops cut from a tree, generally once felled or fallen. Résidus d’ébranchage-façonnage
Lopping Chopping branches, tops, and small trees after felling into lengths such that the resultant slash will lie close to the ground. Ébranchage
Lower Arctic Subarea of the arctic zone characterized by the absence of trees, continuous permafrost and tundra vegetation consisting of shrubs, herbaceous plants (mainly grasses), mosses and lichens. Bas-Arctique
Lower Canada The southern part of present-day Québec, existing as a separate British province from 1791 to 1840. Bas-Canada
Lumber Wood processed in a sawmill. Bois d'œuvre
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