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Thus, studying this variation leads to improved understanding of past environmental conditions and is the basis for many research applications of dendrochronology.A key distinction of dendrochronology is that all trees rings being analyzed are dated to their correct year of formation.The practical applications of the study of tree rings are numerous.Dendrochronology is an interdisciplinary science, and its theory and techniques can be applied to many applications. These research interests have in common the following objectives: Ring-counting does not ensure the accurate dating of each individual ring.Examining ancient trees helps scientists get an amazing picture of Earth’s life, for trees are a record of their life time.By looking closely at the rings of a tree, scientists can not only tell how old it is; they can also tell you that in one summer in 1453 and again in 1601, there were freak cold spells.

Each ring has two parts – a wide, light part and a narrow, dark part.The growth rings appear as lines on the core sample.These interesting facts come from the ‘Woodpecker volume 2000’, an annual compilation on the state of the planet, published by the Academy of Mountain Environics, an NGO based in Dehradun, in north India.Use that office closet for more than storing old yearbooks.Tree Ring eliminates waste by only printing as many books as ordered, but we also go one step further: we plant a tree for every yearbook sold.

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