Trees growing at the forest- grassland ecotone are limited by precipitation. Their annual ring widths generally reflect annual precipitation.

This publication is now in press. Click to see the abstract

---

The tree pictured is scotch pine [Pinus sylvestris L. {known as Scots pine in Europe}]. It is distributed across the Eurasian continent from western Europe to China. In North America it is a common landscaping and christmas tree. It was also widely planted in the U.S. during the 1930s under the Roosevelt administration as a part of the Civil Conservation Corp [CCC].

---

---

TREE-RING LABORATORY, LAMONT-DOHERTY EARTH OBSERVATORY OF COLUMBIA UNIVERSITY. ROUTE 9W, PALISADES, NEW YORK 10964
Voice: (845) 365-8517, Fax: (845) 365-8152

---

Last Updated: June, 1999 (Neil)