Black Pines in Turkey (IMAGE)

University of Arizona

Black Pines in Turkey

Caption

By studying the annual rings of black pines (Pinus nigra) such as these, scientists figured out that the northern boundary of the tropics moved back and forth in the last 800 years. The people at the top of the ridge are dendrochronologists from Istanbul University in Turkey.

Credit

Ünal Akkemik

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The photo <Black pines in Turkey> may only be used to illustrate a story about the research described in the accompanying news release, "Tracking the Movement of the Tropics 800 Years into the Past." Please make sure to credit the photo as requested. Do not post this photo independent of the story.

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