aastapiirid
Aastapiirid, also known as the "year rings" or "annual rings," are concentric rings that can be observed in the cross-section of the trunks of many woody plants, particularly trees. These rings are a result of the tree's annual growth cycle and can provide valuable information about the tree's age, growth conditions, and environmental history.
Each aastapiirid represents one year of growth and is composed of two distinct layers: the lighter, larger-celled
By counting and analyzing aastapiirid, scientists and researchers can gain insights into the tree's age and
In some cases, aastapiirid can also be used to date wooden artifacts and structures, as the unique