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Use of TREGRO to Simulate the Effects of Ozone on the Growth of Red Spruce Seedlings

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TREGRO, a model developed to simulate the growth of sapling red spruce (Picea rubens Sarg.), was parameterized to grow 2- to 3-yr-old seedlings. Results of the simulation compared favorably to actual growth of seedlings used in a field study of the effects of ozone and acidic precipitation on tree physiology and development. Furthermore, a 10-yr simulation produced a modeled tree that corresponded to saplings used in another field experiment. Additional simulations were conducted to compare predicted effects of ozone on seedling growth to those measured in controlled experiments. Based on the performance of the model, we believe TREGRO can be used effectively to simulate both seedling and sapling red spruce growth, and the potential effects of ozone on the development of the trees. For. Sci. 39(3):453-464.
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Document Type: Journal Article

Affiliations: Boyce Thompson Institute for Plant Research, Tower Road, Ithaca, NY 14853-1801

Publication date: 01 August 1993

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