Tarifs de cubage; peuplement d'épicéas; Ardennes méridionales
Abstract :
[fr] Des tarifs de cubage de l'épicéa commun (Picea abies Karst.) dans le "le sud de l’Ardenne" ont été établis afin d'évaluer directement le volume par hectare. L'utilisation de ces tableaux appelle à des mesures préliminaires de la surface terrière et de la hauteur du sommet. Comparativement à l'approche en trois volumes des mesures des calculs sont effectués avec de grandes économies dans le temps et peu de perte de précision. Les équations doivent être valides pour fins d'inventaire nombreuses. En outre, ils donnent la possibilité d'évaluer très rapidement des volumes marchands sur la base des limites variables d'utilisation. Une attention particulière devrait être accordée à la construction d’équations de volume de peuplement pour les autres espèces et l'utilisation locale. [en] Stand volume talbes of Norway Spruce (Picea Abies Karst.) in "Southern Ardennes" have been established in order to estimate directly volumes per hectare. The use of such tables calls for preliminary measurements of the basal area and the top height. Compared to the three volume approach fewer measurements and computations are made with great savings in time and little loss in accuracy. The equations should be valid for many inventory purposes. Furthermore they give the possibility of appraising very quickly merchantable volumes based upon varying limits of utilization. Special attention should be given to constructing stand volume equations for other species and local use.
Disciplines :
Agriculture & agronomy
Author, co-author :
Rondeux, Jacques ; Université de Liège - ULiège > Forêts, Nature et Paysage > Gestion des ressources forestières et des milieux naturels
Language :
French
Title :
Construction et utilisation de tarifs de cubage "peuplements" pour l'épicéa (Picea Abies Karst.) en Ardenne méridionale
Alternative titles :
[en] Construction an utilization of stand volume tables (with application to Picea Abies Karst.)
Publication date :
1977
Journal title :
Bulletin des Recherches Agronomiques de Gembloux
ISSN :
0435-2033
Publisher :
Faculté des Sciences Agronomiques, Gembloux, Belgium
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