General and specific models for estimating commercial volume in a forest under concession in Amazon

被引：15
|
作者：
Cysneiros, Vinicius Costa [1 ]
Pelissari, Allan Libanio [1 ]
Machado, Sebastido do Amaral [1 ]
Figueiredo Filho, Afonso [1 ,2 ]
de Souza, Luizinho [2 ,3 ]
机构：
[1] UFPR Univ Fed Parana, Dept Ciencias Florestais, Av Prefeito Lothario Meissner, BR-80210170 Curitiba, PR, Brazil
[2] UNICTR Univ Estadual Ctr Oeste, Dept Engn Florestal, PR-153 KM 7 Bairro Riozinho, BR-84500000 Irati, PR, Brazil
[3] Amata Brasil SA, Setor Ind, Estr Balsa,Km 1, BR-76861000 Itapua Do Oeste, RO, Brazil
来源：
SCIENTIA FORESTALIS | 2017年 / 45卷 / 114期
关键词：
Tropical Rainforest; Volume equations; Timber species; TREE VOLUME; EQUATIONS; BIOMASS;
D O I：
10.18671/scifor.v45n114.06
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
For commercial timber potential, forest evaluation is fundamental for forest concessions and forest operating licensing by environmental agencies. Therefore, it becomes necessary to develop new volumetric equations with good levels of precision for Amazonian forest species. Thus, the aim of this work was to fit and select models to estimate commercial tree species volume in a forest under concession in the Amazonian Forest. Models were fitted to obtain a general equation, considering 32 commercial species; and specific equations for the 12 main species. In order to reduce estimation errors, class diameter stratifications were tested for all equations. The Schumacher & Hall and Spurr were the best statistical models, whereas specific equations and diameter stratifications provided greater precision for volume estimates, thus being recommended mainly for data from natural forests.
引用
收藏
页码：295 / 304
页数：10
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