Measuring the Diameter of a Large Tree (image) Centre for Ecology & Hydrology Caption This image shows measuring the diameter of a large tree in a dipterocarp forest (Gunung Mulu, Sarawak). The buttress root helps support its great weight. Credit Lindsay Banin/Centre for Ecology & Hydrology Usage Restrictions None 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.