Living Seven-Hundred-Year-Old Picea engelmannii and Pinus albicaulis in the Canadian Rockies

Abstract
Living specimens of P. engelmannii and P. albicaulis with ring series of 680 and 713 yr and estimated germination dates of > 700 yr are reported from 2 sites in the Canadian Rockies. These are the oldest individuals of these species reported in the literature and indicate that isolated subalpine stands of these trees offer good potential for tree-ring records of over 500 yr in the Canadian Rockies.

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