Utilize este identificador para referenciar este registo: http://hdl.handle.net/10198/5846
Título: The adjustment of global and partial dry biomass models for Pinus pinaster in the North-East of Portugal
Autor: Lopes, Domingos
Almeida, L.R.
Castro, João Paulo
Aranha, José
Palavras-chave: Pinus pinaster
Total biomass
Stem biomass
Crop biomass
Roots biomass
Data: 2005
Editora: SPCF - Sociedade Portuguesa de Ciências Florestais
Citação: Lopes, Domingos; Almeida, L.R.; Castro, João Paulo; Aranha, José (2005) – The adjustment of global and partial dry biomass models for Pinus pinaster in the North-East of Portugal. In 5º Congresso Florestal Nacional. Viseu
Resumo: Ecosystems net primary production quantification can be done by means of allometric equations. Carbon sequestration studies also involve the quantification of growth dry biomass, knowing the carbon percentage of dry biomass. Fieldwork complexity to collect these kind of data are often limitative for obtaining these mathematical models. Allometric equations were adjusted to estimate dry biomass of individual Pinus pinaster trees, using data from 30 trees. Statisticals form the final equations have shown that biomass estimation could be made under an accuracy of around 95%. All mathematical models were calculated using diameter at breast height (dbh) as independent variable and enable to estimate biomass (in Kg) for: stem (R2adj=97.9); crown (R2adj=88.4) and roots (R2adj= 93. 5).
Peer review: yes
URI: http://hdl.handle.net/10198/5846
Versão do Editor: http://www.esac.pt/cernas/cfn5/tema2.htm
Aparece nas colecções:ARN - Artigos em Proceedings Não Indexados ao ISI/Scopus

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