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Título: Aboveground production and c flux in three chestnut high forest stands in Northern Portugal
Autor: Patrício, Maria do Sameiro
Fernandes, Maria José
Pereira, Ermelinda
Lopes, Domingos
Palavras-chave: Castanea sativa Mill.
Litterfall biomass
Net primary productivity
Issue Date: 2010
Editora: International Society of Horticultural Science (ISHS)
Citação: Patrício, Maria do Sameiro; Fernandes, Maria José; Pereira, Ermelinda; Lopes, Domingos (2010) - Aboveground production and c flux in three chestnut high forest stands in Northern Portugal. Acta Horticulturae. ISSN 0567-7572. 866, p. 831-834.
Relatório da Série N.º: 866;
Resumo: Litterfall in three high forest chestnut stands in Marão, Padrela and Bornes (Northern Portugal), of 71, 64 and 53 years old, respectively, located on different soil types, was collected in the autumn of 2008. Circular littertraps which cover a surface area of 1 m2 each were installed in these chestnut stands. The litterfall was separated into leaves, branches, fruits and burs. All litter fractions were dried to constant weight at 70°C. The total amount of litter in the three stands was 4.2, 4.6 and 4.0 Mg DM ha-1 y-1 in Marão, Padrela and Bornes sites, respectively. Leaves are the main constituents of the total biomass return by litterfall contributing to 79.4% in Marão, 69.8% in Padrela and 78% in Bornes. The corresponding amounts of other litter fractions in these three locations were respectively: fruits 6.4%, 12.4% and 8.9%; branches 6.4%, 4.0% and 4.7%; burs 7.8%, 13.8% and 8.3%. C amount falling with litterfall was similar in the three stands, close to 2.3 Mg C ha-1 y-1. The aboveground net primary production ANPP was evaluated.
Arbitragem científica: yes
ISSN: 0567-7572
Versão do Editor:
Appears in Collections:ARN - Artigos em Revistas Não Indexados ao ISI/Scopus

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