Fruit production of Carapa guianensis: a multiple-use timber species of the Amazon forest

Kanashiro Milton, Melo S.M., Almeida E.C., Smelo Marcelo, Ruschel Ademir R., Sist Plinio. 2010. Fruit production of Carapa guianensis: a multiple-use timber species of the Amazon forest. International Forestry Review, 12 (5), Résumé : 114. IUFRO World Congress. 23, Séoul, Corée du Sud, 23 Août 2010/28 Août 2010.

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Quartile : Q3, Sujet : FORESTRY

Résumé : #Carapa guianensis# is a multiple use monoecious species commercially used both for its high timber value and for the oil extracted from its seeds. This species is widely distributed throughout the Amazon, with spatial clumped pattern. Fruit production generally occurs during the rainy season from February to March, although scarce production occurs throughout the year. In the region of Santarem (Brazil), we monitored 101 trees with dbh =>10 cm during the fruit dispersion peak season, which occurred from February to March 2009. Fruit production was assessed according to characteristics such as diameter at breath height (dbhl, crown form, crown position, and presence of lianas. On average, 65% of the trees produced fruits, and the average production per tree was 7.5 kg of seed. However, individuals with 30-60 cm dbh showed the highest mean production (8.6 kg/tree), whereas smaller (10-30 cm dbh) and larger trees (dbh > 60 cm) produced significantly fewer fruits. Our results suggest that trees with dbh 30-60 cm should be preferred for seed collection and preserved from logging, while larger individuals with dbh > 60 cm could be selected for logging. (Texte intégral)

Mots-clés Agrovoc : Meliaceae, arbre à buts multiples, zone tropicale

Mots-clés géographiques Agrovoc : Brésil, Amazonie

Mots-clés complémentaires : Carapa guianensis

Classification Agris : K10 - Production forestière

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

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