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The Mortality of the Red Spruce and Fraser Fir in the Appalachians due to Air Pollution
On the highest peaks of the Appalachian Mountains, there are spruce fir forests, which are predominately made up of Red Spruce and Fraser Fir (Smith and Nicholas 1998). In the past several decades scientists have been noticing an unusually large number of Red Spruce and Fraser fir dying, much more than what should be. This finding was a cause for concern, therefore, over the past two decades there has been rigorous research done on these trees; and the more research that was done the more evidence they found that linked air pollution with the mortality of these trees (Mello 1987). Air poll…
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