Recent changes in the montane spruce-fir
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Andrew J. Friedland
📂
Article
📅
1989
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Springer
🌐
English
⚖ 511 KB
Intensive study of the montane spruce-fir forests of the northeastern United States has been underway since 1980. Crown-vigor assessments, tree-ring studies, and resurveys of plots established in the 1960's have revealed a deterioration of the red spruce populations at high elevations in New England