Summary of 1990 ozone effects research Acadia National Park

Eckert, Robert

Contents include four separate papers: 1. Project summary by Robert T. Eckert (7 pages) ; 2. Open-top chamber studies to assess the effects of ozone on native vegetation of Acadia National Park by Robert Kohut and John Laurence (33 pages) ; 3. The Acadia/NPS controlled exposure study : preliminary results of the spectral characterization studies conducted during the summer, 1990 by Barrett N. Rock, David M. Moss, and Rick Pickford (11 pages) ; and 4. Fluorescence of red spruce and white pine : Acadia National Park, Maine by Arnold F. Theinsen (30 pages). Summarizes ozone effects research for 1990 at Acadia National Park. Evaluated foliar injury to a number of species noting the following as most responsive to ozone: broad-leaved aster, grey birch, northern red oak, jack pine, and bunchberry. Significant effects of ozone depression of rates of photosynthesis were found in broad-leaved aster and paper birch. Notes broad-leaved aster has potential for use as a bioindicator of ozone.and photosynthetic effects. Describes results of spectral analysis /STUDY LOCATIONS:/ /MOUNT DESERT ISLAND/Sand Beach