stade de perchis

OBS: perchis : Très jeune futaie dont les arbres encore serrés ont un diamètre compris entre 10 et 20 cm.
OBS: [Canada] perche : Arbre qui se situe au stade du perchis, de 12 à 20 cm de dhp pour les forêts boréales et les forêts de l'Est. Ce stade se situe après celui du gaulis et avant celui de la jeune futaie ou menu bois de sciage.

CONT: Stand development: The growth of a stand through its various development stages - from seedling or coppice, through thicket, sapling, and pole, to the tree stage, i.e. to maturity, and finally to overmaturity, but sometimes ending in residual standards.
OBS: To facilitate forest management, foresters have arbitrarily classified the forest trees into several groups. One classification is based on the size of the individual tree, for example. Seedling - up to 3 ft (9 m) tall. Sapling - a young tree less than 4 in. (7.6 cm) dbh and from 3 to 10 ft (0.9 to 3 m) tall. Pole - from 4 to 12 in. (10 to 25 cm) dbh. Standard - from 1 to 2 ft (0.3 to 0.6 m) dbh. Veteran - over 2 ft (0.6 m) dbh ...