Workshop on climate change in the Amazon River Basin: diagnostic of the current situation and development of strategic action

10 de agosto de 2009

ago 10, 2009

Resumo do workshop “Mudanças Climáticas na Bacia Amazônica: Diagnóstico da situação atual e desenvolvimento da ação estratégica”, que teve lugar em Quito, no Equador. Esse documento está em inglês.

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  Widespread in the subtropics and tropics of the Southern Hemisphere, savannas are highly heterogeneous and seasonal natural vegetation types, which makes change detection (natural vs. anthropogenic) a challenging task. The Brazilian Cerrado represents the...

Effects of partial throughfall exclusion on the phenology of Coussarea racemosa (Rubiaceae) in an east-central Amazon rainforest

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Severe droughts may alter the reproductive phenology of tropical tree species, but our understanding of these effects has been hampered by confounded variation in drought, light and other factors during natural drought events. We used a large-scale experimental reduction of throughfall in an easterncentral Amazon forest to study the phenological response to drought of an abundant subcanopy tree, Coussarea racemosa. We hypothesized that drought would alter the production and the timing of reproduction, as well as the number of viable fruits.