Have you ever seen a mountain and noticed that all the trees stop growing at a certain altitude? Why is that?
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Global Treeline Position
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"High-elevation treelines are a global phenomenon, but the large-scale ecological and physiological mechanisms that define their existence still elude ecologists."
Why Is the Treeline at a Higher Elevation in the Tetons than in the White Mountains
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"Trees grow where they can. And they are surpassingly capable, making do in an impressive array of conditions around the globe, including many harsh places."
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