• Byres, D. P., Dean, T. J. & Johnson, J. D.. (1992). Long term effects of ozone and simulated acid rain on the foliage dynamics of Pinus elliottii var. elliottii Engelm. New Phytologist 120, 6167.
  • Cogbill, C. V. & Likens, G. E.. (1974). Acid precipitation in the northeastern United States. Water Resources Research 10, 11331137.
  • Coyne, P. I. & Bingham, G. E.. (1982). Variation in photosynthesis and stomatal conductance in an ozone-stressed ponderosa pine stand: light response. Forest Science 28, 257273.
  • Darrall, N. M.. (1989). The effect of air pollutants on physiological processes in plants. Plant, Cell and Environment 12, 130.
  • Dean, T. J. & Johnson, J. D.. (1991). Proportional-plus-integral control of experimental ozone concentrations in a large open-top chamber. Atmospheric Environment 25A, 11231126.
  • Dean, T. J. & Johnson, J. D.. (1992). Growth response of young slash pine trees to simulated acid rain and ozone stress. Canadian Journal of Forest Research (in the press).
  • Eamus, D. & Fowler, D.. (1990). Photosynthetic and stomatal conductance responses to acid mist on red spruce seedlings. Plant, Cell and Environment 13, 349357.
  • Evans, J. R.. (1989). Photosynthesis and nitrogen relationships in leaves of C3 plants. Oecologia 78, 919.
  • Heagle, A. S., Philbeck, R. B., Ferrell, R. E. & Heck, W. W.. (1989). Design and performance of a large, field exposure chamber to measure effects of air quality on plants. Journal of Environmental Quality 18, 361368.
  • Hogsett, W. E., Plocher, M., Wildman, V., Tingey, D. T. & Bennett, J. P.. (1985). Growth response of two varieties of slash pine seedlings to chronic ozone exposures. Canadian Journal of Botany 63, 23692376.
  • Johnson, D. W.. (1983). Acid rain and forest productivity. In: Acid Deposition Causes and Effects – A State Assessment Model (Ed. by A. E.Green & W. H.Smith), pp. 3752. Government Institutes, Rockville , Maryland , USA .
  • Kaupenjohann, M., Zech, W., Hantscel, R., Horn, R. & Schneider, B. U.. (1989). Mineral nutrition of forest trees: a regional survey. In: Forest Decline and Air Pollution (Ed. by E. D.Schulze, O. L.Lange & R.Oren), pp. 282296. Springer-Verlag, Berlin .
  • Lee, W. S., Chevone, B. I. & Seiler, J. R.. (1990). Growth and gas exchange of loblolly pine seedlings as influenced by drought and air pollutants. Water, Air and Soil Pollution 51, 105116.
  • Meinzer, F. C. & Grantz, D. A.. (1991). Coordination of stomatal, hydraulic and canopy boundary layer properties: do stomata balance conductances by measuring transpiration Physiologia Plantarum 83, 324329.
  • Neufeld, H. S., Jernstedt, J. A. & Haines, B. L.. (1985). Direct foliar effects of simulated acid rain. 1. Damage, growth and gas exchange. New Phytologist 99, 389405.
  • Peterman, R. M.. (1990). The importance of reporting statistical power: the forest decline and acidic deposition example. Ecology 71, 20242027.
  • Pye, J. M.. (1988). Impact of ozone on the growth and yield of trees: a review. Journal of Environmental Quality 17, 347360.
  • Reich, P. B. & Amundson, R. G.. (1985). Ambient levels of ozone reduce net photosynthesis in tree and crop species. Science 230, 566570.
  • Sasek, T. W., Richardson, C. J., Fendick, E. A., Bevington, S. R. & Kress, L. W.. (1991). Carryover effects of acid rain and ozone on the physiology of multiple flushes of loblolly pine seedlings. Forest Science 37, 10781098.
  • Sasek, T. W. & Richardson, C. J.. (1989). Effects of chronic doses of ozone on loblolly pine: photosynthetic characteristics in the third growing season. Forest Science 35, 745755.
  • Schier, G. A.. (1985). Seedling growth and nutrient relationships in a New Jersey Pine Barrens soil treated with ‘acid rain’. Canadian Journal of Forest Research 16, 136142.
  • Sheffield, R. M., Cost, N. D., Bechtold, W. A. & McClure, J. P.. (1985). Pine Growth Reductions in the Southeast. Resource Bulletin SE 83, Southeastern Forest Experimental Station, USDA Forest Service, Asheville, North Carolina.
  • Skarby, L., Troeng, E. & Bostrom, C.-A.. (1987). Ozone uptake and effects on transpiration, net photosynthesis and dark respiration in Scots pine. Forest Science 33, 801808.
  • Taylor, G. E., Norby, R. J., McLaughlin, S. B., Johnson, A. H. & Turner, R. S.. (1986). Carbon dioxide assimilation and growth of red spruce (Picea rubens Sarg.) seedlings in response to ozone, precipitation chemistry and soil type. Oecologia 70, 163171.
  • Treshow, M. & Anderson, F.. (1989). Plant Stress from Air Pollution. John Wiley and Sons, New York .
  • Wiselogel, A. E., Bailey, J. K., Newton, R. J. & Fong, F.. (1991). Growth response of loblolly pine (Pinus taeda L.) seedlings to ozone fumigation. Environmental Pollution 71, 4356.