Effects of ozone and acid rain on white pine ( Pinus strobus) seedlings grown in five soils. I. Net photosynthesis and growth.

P. B. Reich; A. W. Schoettle; H. F. Stroo; J. Troiano; R. G. Amundson

doi:10.1139/b87-135

Effects of ozone and acid rain on white pine ( Pinus strobus) seedlings grown in five soils. I. Net photosynthesis and growth.

P. B. Reich, A. W. Schoettle, H. F. Stroo, J. Troiano, R. G. Amundson

Research output: Contribution to journal › Article

55 Scopus citations

Abstract

Seedlings were grown in 5 forest soils and exposed for 4 months to realistic levels of acid rain and ozone. Acid rain treatments consisted of exposure to simulated rain of pH 5.6, 4.0, 3.5 or 3.0, while ozone treatments consisted of exposure to 0.02, 0.06, 0.10 or 0.14 ppm ozone. Minimal interaction between acid rain and ozone was observed with regard to photosynthesis or growth. Acid rain and soil type has a strong interaction in determining plant response. In general, acid rain caused increased growth and net photosynthesis as a result of N fertilization from the simulated rain, but the extent of this response was inversely correlated with the availability of nitrogen in each soil. Ozone treatments caused decreased net photosynthesis in pine seedlings. -from Authors

Original language	English (US)
Pages (from-to)	977-987
Number of pages	11
Journal	Canadian Journal of Botany
Volume	65
Issue number	5
DOIs	https://doi.org/10.1139/b87-135
State	Published - Jan 1 1987
Externally published	Yes

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Reich, P. B., Schoettle, A. W., Stroo, H. F., Troiano, J., & Amundson, R. G. (1987). Effects of ozone and acid rain on white pine ( Pinus strobus) seedlings grown in five soils. I. Net photosynthesis and growth. Canadian Journal of Botany, 65(5), 977-987. https://doi.org/10.1139/b87-135

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abstract = "Seedlings were grown in 5 forest soils and exposed for 4 months to realistic levels of acid rain and ozone. Acid rain treatments consisted of exposure to simulated rain of pH 5.6, 4.0, 3.5 or 3.0, while ozone treatments consisted of exposure to 0.02, 0.06, 0.10 or 0.14 ppm ozone. Minimal interaction between acid rain and ozone was observed with regard to photosynthesis or growth. Acid rain and soil type has a strong interaction in determining plant response. In general, acid rain caused increased growth and net photosynthesis as a result of N fertilization from the simulated rain, but the extent of this response was inversely correlated with the availability of nitrogen in each soil. Ozone treatments caused decreased net photosynthesis in pine seedlings. -from Authors",

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