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Titre : |
Leaf area index and above-ground biomass of terra firme rain forest and adjacent clearings in Amazonia.
|
Auteur(s) : |
A.L.C. McWilliam, Auteur
J.M. Roberts, Auteur O.M.R. Cabral, Auteur M.V.B.R. Leitao, Auteur A.C.L. de Costa, Auteur G.T. Maitelli, Auteur C.A.G.P. Zamparoni, Auteur |
Type de document : | Tiré à part |
Sujets : | Amazonie ; Brésil ; Surface foliaire ; Biomasse ; Forêt tropicale humide ; Déboisement ; Écosystème |
Résumé : |
Leaf area index (L*) and above-ground biomass were determined by destructive sampling for a 400-m2 area of terra firme amazonian rain forest and for an adjacent clearing. While L* in the forest varied considerably with height through the canopy for four separately sampled 100-m2 subplots, the cumulative L* was similar with a mean value of 5.7 ± 0.5. The total above-ground dry biomass of the forest was 265 ± 95 t ha−1, while the leaf dry biomass was 6.3 ± 0.5 t ha−1. The specific leaf area (SLA, cm2 g−1) was determined, and found to vary linearly with canopy depth rising from 65 cm2 g−1 at the canopy top, to 114 cm2 g−1 at 5 m above the forest floor. The average for the four subplots was 90 cm2 g−1 (...) |
Editeur(s) : | British Ecological Society |
Date de publication : | 1993 |
Format : | pp. 310-317 / graph., tabl., réf. |
Note(s) : |
Extrait de Functional Ecology - Vol.7 - n°3 |
Langue(s) : | Anglais |
Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=146941 |
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Localisation | Emplacement | Pôle | Section | Cote | Support | Disponibilité |
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Kourou | Archives | AgroParisTech-Kourou | UMR.257 | Papier Périodique | Empruntable Disponible |