New Eyes in The Sky: Cloud-Free Tropical Forest Monitoring for REDD With The Japanese Advanced Land Observation Satellite (ALOS)

3 de dezembro de 2007

dez 3, 2007

Josef Kellndorfer, Masanobu Shimada, Ake Rosenqvist, Wayne Walker, Katie Kirsch, Daniel Nepstad, Nadine Laporte, Claudia Stickler, Paul Lefebvre

We report that pan-tropical monitoring of forests hidden by clouds will now be easier, thus strenthening existing global monitoring efforts. We present in this report two successful efforts to create large-scale, cloud-free mosaics of forests for two large tropical forest regions: the island of Bali (7,500 km2) and the Xingu River headwaters in southeastern Amazonia (400,000 km2).

JAXA; WHRC. New Eyes in The Sky: Cloud-Free Tropical Forest Monitoring for REDD With The Japanese Advanced Land Observation Satellite (ALOS). Bali/Indonesia. 3 de Dezembro, 2007.

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

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

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.