| Term |
Definition |
French |
|
Habitat |
The environment in which a population or individual lives; includes not only the place where a species is found, but also the particular characteristics of the place (for example, climate or the availability of suitable food and shelter) that make it especially well suited to meet the life cycle needs of that species. |
Habitat |
|
Haltere |
Small knobbed structure representing the hind wings in dipterans. |
Haltère |
|
Hamuli |
Series of small hooks found in some insects that anchor the hind wings to the fore wings during flight. |
Hamule |
|
Hand weeding |
Removing the undesirable species inhibiting the growth of valued species manually. |
Désherbage manuel |
|
Hard seed |
Seed having coats that resist cracking or breaking and may be more or less impermeable to water. |
Graine dure |
|
Hard snag |
A snag composed primarily of sound wood, generally merchantable. |
Chicot dur |
|
Hardening off |
Preparing seedlings or rooted cuttings for planting by gradually reducing water, nutrients, or day length, or by increasing light intensity and thus inducing changes in shoots that make them more resistant to exposure to full sunlight. |
Endurcissement |
|
Hardwood(s) (broad-leaved trees) |
Trees whose leaves are not persistent and fall off at the end of a defined growing season or during a period of temperature or moisture stress. This is the predominant tree type in deciduous forests. Also refers to the wood produced by these trees. |
Feuillus (arbres à feuilles caduques) |
|
Heeling in |
Temporary storage of seedlings by burial of root systems in a trench. |
Mise en jauge |
|
Hematophagous |
Feeding on blood. |
Hématophage |
|
Hemimetabolism |
Incomplete metamorphosis in which there is no pupal stage. The larvae, also called nymphs, are inactive and resemble the adults. |
Hémimétabole |
|
Herbicide |
Any chemical preparation used to kill or inhibit the growth of forbs, grasses, woody plants, and their seeds. |
Herbicide |
|
Herbicide tolerant |
Capable of surviving and recovering from the application of herbicides. |
Tolérant aux herbicides |
|
Heritability |
That portion of the character variance due to hereditary factors as distinct from factors of environment. Heritability is described in one of two ways, depending on the type of investigation. |
Héritabilité |
|
Heritage forest |
A forest managed to harvest forest products and to sustain the natural system, including its bioproductivity, biotic and abiotic diversity. Modern technology, equipment and methods may be used to harvest, restock and tend the forest, with an emphasis on natural restocking, supplemented with artificial restocking of appropriate endemic species. |
Forêt patrimoniale |
|
Heteroconophagous |
Feeding occasionally on seeds and cones, but usually lives and feeds on stems and needles. |
Hétéroconophage |
|
Hibernaculum |
A place or material in which young insect larvae hide during the winter. |
Hibernacle |
|
Hibernation |
Sleeplike stage in which an organism's metabolism is reduced to its lowest level. |
Hibernation |
|
High forest |
Crops and stands of trees, generally of seedling origin, that normally develop a high closed canopy. A term originally used to differentiate the natural, essentially seedling forest of long rotation from the artificial. |
Futaie |
|
High grading |
A partial harvest removing only the most valuable species, or trees of desirable size and quality, without regard for the condition of the residual stand. |
Écrémage |
|
High-forest systems |
Silvicultural systems in which the crops are normally of seedling origin, natural and/or artificial, and the rotation is, traditionally at least, long. |
Régime de la futaie |
|
High-forest-with-reserves system |
An accessory system in which selected trees of the old crop, scattered or in groups, are retained after regeneration is completed, for the whole or a part of the next rotation. |
Futaie avec sur-réserves |
|
Hogging |
Reducing wood to coarse chips, for fuel or the manufacture of wood pulp and wood chipboard. |
Déchiquetage |
|
Hole planting |
Setting plants in loosened soil replaced in or brought to a dug hole or pit. Roots separated on either side of a wedge or saddle of earth left in situ when the hole was dug is termed saddle planting. |
Plantation sur potets |
|
Holistic approach |
Broad brush approach based on a theory according to which a whole cannot be analyzed without considering the sum of its parts or reduced to discrete elements. |
Approche globale |
|
Holometabolism |
Complete metamorphosis in which a pupal stage occurs between the larval stage and the adult form. The pupa is inactive and looks very different from the adult. |
Holométabole |
|
Home range |
The area in which an animal lives, hunts, and mates throughout its life. |
Domaine vital |
|
Host |
Organism harbouring a parasite. |
Hôte |
|
Humicolous |
Living in or on humus or leaf litter. |
Humicole |
|
Humus |
A general term for the more or less decomposed (plant and animal) residues in the soil, litter therefore being excluded. |
Humus |
|
Hybrid |
Plant obtained by crossing two genetically dissimilar parent plants. |
Hybride |
|
Hybrid |
The offspring of genetically different parents (usually refers to crosses between two species). |
Hybride |
|
Hybridization |
Sexual reproduction using genetically distinct parents, that is, belonging to different populations, varieties, or species.
|
Hybridation |
|
Hyperparasite |
Parasitic organism that lives off of another parasite. |
Hyperparasite |
|
Hyperparasitoid |
Organism that attacks and lives on another parasitoid. |
Hyperparasitoïde |
|
Hypha |
One of many filaments that make up the mycelium or body of a fungus. |
Hyphe |
|
Hypovirulence |
Reduced virulence in a micro-organism caused by genetic mutation or the presence of a virus. |
Hypovirulence |
