Tree ring dating examples

It is an accurate and reliable dating method with a large number of uses in environmental studies, archaeology and everything in between.The method has gone from strength to strength and is now a vital method across multiple disciplines.They come in all shapes and sizes from the smallest saplings up to the colossal redwoods of North America - it could be said that we take them for granted, yet they are vital to teaching us about many aspects of our past. Before then, tree ancestors may have looked slightly tree-like but they were not trees in any proper sense.The dawn of the age of true trees came with the evolution of wood in the late Devonian period.

Typically, a bachelor's degree in any of the above disciplines are enough to study the data that comes out of dendrochronology.Alder and pine are notorious for occasionally “missing a year” which is confusing enough without the fact that those species also sometimes “double up”, by having two rings in the same growth season (8).Birch and willow are not used at all because of the erratic nature of their growth cycle.Before this, their ancestors would have a recognisable tree form, believed to be that of a giant type of fern that began the process of developing a woody stem.Wood helps the developing tree to stay strong as it gets older and grows upwards, building new branches and drinking in more sunlight for photosynthesis reproduction.

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