The deliberate disposal at sea from ships, aircraft, platforms, or other anthropogenic structures, including disposal by incineration or by any other thermal degradation, of any substance, or the disposal of any substance by placing it on the ice in any area of the sea (Government of Canada 1988). old-growth forest: (also known as ancient forest) A stand of mature and overmature trees relatively uninfluenced by human activity (Natural Resources Canada 1994).
Organismes dont le matÃ©riel gÃ©nÃ©tique a Ã©tÃ© modifiÃ© par l'insertion ou la suppression de petits fragments d'acide dÃ©soxyribonuclÃ©ique (ADN) pour la crÃ©ation ou l'amÃ©lioration de caractÃ©ristiques souhaitables Ã partir de la mÃªme espÃ¨ce ou d'une autre espÃ¨ce (Groupe de travail fÃ©dÃ©ral-provincial-territorial sur la biodiversitÃ©, 1995). Voir aussi biotechnologie. oxydes d'azote (nox):