Abstract
About 250 trees, representing 10 species, were collected from the Chinese Three Gorges Reservoir region as part of a study to use tree rings as indicators of environmental change in this area. Five species do not show distinct ring boundaries or cannot be cross-dated with each other. The dendrochronological potential of the remaining five species, two conifers and three hardwoods, are assessed in this paper. These five species, Cathaya argyrophylla, Cinnamomum camphora, Gordonia acuminata, Pinus massoniana, and Schefflera delavayi, have distinct annual growth rings and little occurrence of double or missing rings. Treering width and maximum latewood density chronologies from the five species range in length from 38 to 138 years. These relatively short chronologies are just long enough to conduct a preliminary dendroclimatic evaluation. Preliminary climate modeling demonstrates some significant relationships between tree-ring data and temperature, precipitation, and river flow.
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