The Value of Tree Rings: A Natural History of a Whitebark (Pinus albicaulis) Pine Cross Section

The tree rings in this whitebark pine (Pinus albicaulis) cross-section provide a view back in time. Scientists study the patterns of tree ring growth, scars, and wood coloration to determine how long the tree lived, record changes in climate, and even track past fires, insect attacks, and earthquakes!

​  Read More  Ecology, Environment, Nature


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