QUANTIFICATION OF ABOVE-GROUND BIOMASS IN STAND OF Acacia mearnsii DE WILD., BATEMANS BAY PROVENANCE - AUSTRALIA

• Main Author: Caldeira, Marcos Vinicius Winckler
• Publication Date: 2001
• Other Authors: Schumacher, Mauro Valdir, Rondon Neto, Rubens Marques, Watzlawick, Luciano Farinha, Santos, Elias Moreira dos
• Format: Article
• Language: por
• Source: Ciência Florestal (Online)
• Download full: https://periodicos.ufsm.br/cienciaflorestal/article/view/1657
• topic: Biomass; Acacia mearnsii.; Biomassa; Acacia mearnsii

The above-ground biomass of the Australian provenance Batemans Bay of black wattle (Acacia mearnsii De Wild.), at 2.4 years after planting was quantified. The provenance was established in soils of low fertility, with high acidity, at Fazenda Menezes, District of Capão Comprido, County of Butiá/RS. Nine trees were selected to form a sample. The destructive sampling comprised the individualization of the compartments of the above-ground biomass (leaves, live branches, dead branches, bark, and wood), and the determination of the dry matter allocated in each of these compartments. The production of above-ground biomass of the Australian provenance Batemans Bay was 36,1 Mg ha-1 with the following distribution: 20% in the leaves; 19,5% in the live branches; 2,8% in the dead branches; 11,8% in the bark and 45,9% in the wood.