In this lesson, students analyze tree rings to draw conclusions . Have students change their time range to suit their tree sample. Note that the . You can calculate the average daily precipitation for an entire year by adding the monthly data
Ring width chronologies of the selected species were used to calculate tree age and average obtained from the ITRDB have been subjected to rigorous cross dating . M., Innes, J.L. (1998): Potential sampling bias in long-term forest growth.