Keywords: Treering decreasing growth.png In this diagram the green line shows the yearly ring widths of a 90 years old Pine Pinus sylvestris On the Y-axis is the ring width for each year and on the X-axis the year oldest i e the innermost to the left The yearly growth - seen as ring widths - is decreasing when the tree grows older This decrease of ring widths does of course not mean that the growth of the volume of the whole tree will decrease Own 2007-09-01 Taxelson Dendrochronological data Plant stem diagrams Images by T Axelson |