Tree Growth Measurement (IMAGE) Smithsonian Tropical Research Institute Caption Dendrometers, metal straps to measure its growth, wrap this tree trunk in Panama. Credit Beth King, STRI Usage Restrictions Credit STRI 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.