Timber Logging in the Amazon (IMAGE) Lancaster University Caption More than 403 million hectares of tropical forests worldwide have been earmarked for timber concessions with selective logging a common economic activity. The Brazilian Amazon alone holds around 4.5 billion m3 of commercial timber volume, and increased is the demand on Amazonian hardwood as African and Asian timber stocks are exhausted. Credit Felipe Franca Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.