Glossary: I

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Term Definition French
Imago The adult sexually mature stage in the life cycle of an insect after metamorphosis. Imago
Immature In even-aged management, those trees or stands that have grown past the regeneration stage but are not yet mature. In uneven-aged management, established trees too young for commercial harvest. Jeune
Impeder An individual of any value actually impeding the development of another individual of higher grade. Inhibiteur
Improvement cutting A cutting made in a stand past the sapling stage, primarily to improve composition and quality through the removal of less desirable trees of any species. Coupe d’amélioration
In vitro Within an artificial environment, such as a test tube, as opposed to in vivo. In vitro
In vivo Within a natural environment, such as a living organism, as opposed to in vitro. In vivo
Increment The increase in diameter, basal area, height, volume, quality, or value of individual trees or stands during a given period. (5) Accroissement
Industrial plantation forestry Tree cultivation using methods of intensive silviculture: plantations made up of genetically improved stock, fertilization, drainage, phytosanitary treatments, release of higher quality stems, etc. Ligniculture
Innovation The use of a new idea, material or technology to produce new goods or services or to change the way in which goods or services are produced or distributed. Innovation can include improved managerial systems, new production techniques, new technology, the results of research and development, or the application of information technologies. Innovation
Insect Invertebrate animal that has six legs. Insecte
Insecticide Any chemical or biological preparation used to kill or disrupt the development of insects. Insecticide
Integrated landscape management (ILM) The integrated planning and assessment of land uses and human activities over whole landscapes to ensure the long-term economic, social and environmental sustainability of ecosystems and their resources. It is applied at appropriate temporal and spatial scales necessary to achieve multiple management objectives. Aménagement intégré du paysage (AIP)
Integrated pest management The use of a mix of techniques and/or strategies to control pests, as opposed to the application of a single method. Lutte intégrée contre les ravageurs
Integrated resource management A holistic approach to resource management that entails the management of two or more resources (for example, water, soil, timber, pasture, wildlife, and recreation) and that integrates the values of the community into the design of policies or projects to use and sustain these resources in perpetuity. Gestion intégrée des ressources
Intensive silviculture Application of cultural measures which, in addition to simply maintaining the forest cover, will allow an increase in the value or volume of the cut. Sylviculture intensive
Intercropping An agroforestry system involving the cultivation of agricultural crops or forest-derived crops that require full sun between rows (or other arrangements) of trees or shrubs. (See also sun system.) Culture intercalaire
Intermediate treatments Any treatment in a stand during that portion of the rotation not included in the final harvest or regeneration period. cf. tending Traitement intermédiaire
Interplanting Planting young trees among existing natural regeneration or previously planted trees of similar age. Plantation intercalaire
Inventory (forest) A survey of a forest area to determine data such as area, condition, timber, volume and species for a specific purpose, such as planning, purchasing, evaluating, managing or harvesting. Inventaire forestier
Irregular shelterwood system see shelterwood cutting Système des coupes progressives irrégulières
Irregular stocking see stocking: partially stocked Matériel relatif irrégulier
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