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- Title
Contrasting above-ground biomass balance in a Neotropical rain forest.
- Authors
Rutishauser, Ervan; Wagner, Fabien; Herault, Bruno; Nicolini, Eric-André; Blanc, Lilian
- Abstract
Question: What are the relative roles of tree growth, mortality and recruitment in variations of above-ground biomass in tropical forests? Location: Paracou, French Guiana. Methods: We quantified the contribution of growth, recruitment and mortality to total biomass of stands (trees DBH≥10 cm) in six 6.25-ha permanent plots over 16 yr. Live biomass stocks and fluxes were computed for four separate size classes. Results: All plots showed increasing biomass stocks over the study period, with an average value of +0.9 Mg ha−1 yr−1. Plots aggrading biomass were characterized by either minor biomass losses due to mortality or substantial increases in the biomass of large trees (DBH≥60 cm). Conclusions: Within the study period, the rarity of mortality events could not counter-balance the slow permanent increase in biomass, resulting in an apparent increase in biomass. Accounting for such rare events results in no net change in biomass balance.
- Publication
Journal of Vegetation Science, 2010, Vol 21, Issue 4, p672
- ISSN
1100-9233
- Publication type
Article
- DOI
10.1111/j.1654-1103.2010.01175.x