Such curves are normally specific to species and to region, though there has been some restricted success with interspecies cross-dating. In latest decades tree-ring research have opened up a complete new area of climatic and different environmental reconstructions at various geographical and temporal scales. These usually go under the heading...

Growth rings end result from new progress within the vascular cambium, a layer of cells close to the bark that botanists classify as a lateral meristem; this growth in diameter is known as secondary growth. Visible rings outcome from the change in progress velocity by way of the seasons of...