Litterfall And Nutrient Return In Tropical Rainforest In The Chaillu Area(southwest Congo)
Author(s)
J. J. Loumeto
Abstract
Litterfall and nutrient return in
tropical rainforest in the Chaillu area
(southwest Congo)
J.J. Loumeto
University of Brazzaville (Marien Ngouabi), Laboratoire de Botanique et
~ c o l o ~ i e , Brazzaville, Congo
Abstract
The amount of litterfall and nutrient return in two stands of tropical forest were
studied over one year in the Chaillu region (southwest Congo). The aim was to
investigate the validation of generalizations regarding litterfall and nutrients
return in tropical rain forests and to quantify the ecological characteristics of
experimental plots. Litter production was measured during 19 months in
Malanga plots and 16 months in CCAF plots. The annual input was 6.1 and
10.7 tlha in Malanga stand (primary forest) and CCAF stand (secondary forest)
respectively. Leaf litter accounted for at least 59 % of the total amount in both
plots. The annual return of elements through the litter of both plots were
different : 88.1 - 1 57.8 kgha for nitrogen, 3.7 - 6.2 kglha for phosphorus, 1.7 1
Keywords
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