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086 0 |a E 1.99:bnl-51195 
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088 |a bnl-51195 
245 0 0 |a Proceedings of the international workshop on the effects of acid precipitation on vegetation, soils, and terrestrial ecosystems, Brookhaven National Laboratory, June 12 to 14, 1979  |h [electronic resource] 
260 |a Upton, N.Y. :  |b Brookhaven National Laboratory ;  |a Oak Ridge, Tenn. :  |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,  |c 1979. 
300 |a Pages: 57 :  |b digital, PDF file. 
336 |a text  |b txt  |2 rdacontent. 
337 |a computer  |b c  |2 rdamedia. 
338 |a online resource  |b cr  |2 rdacarrier. 
500 |a Published through SciTech Connect. 
500 |a 01/01/1979. 
500 |a "bnl-51195" 
500 |a Hendrey, G.R.; Evans, L.S. 
520 3 |a The objectives of the workshop were to determine the levels of current knowledge of the effects of acid precipitation on vegetation, soils, and terrestrial ecosystems; research needed in these areas to understand the environmental impacts of acid rain; and to help coordinate research groups to avoid excessive duplication of research. The workshop was designed so that researchers in the areas of effects of acid precipitation on vegetation, soils, and whole ecosystem approaches could communicate effectively. There was a general consensus that acid rain at extreme ambient levels, or in artificial systems that simulate extreme ambient levels, causes injury to plant tissues. A major area of concern of acid rain injury was thought to be plant reproduction. The overall levels of significance of plant injury among various plant species remain unknown. The most important priorities in the area of effects of acid rain on crops were an evaluation of effects on crop yields and interaction of acid rain in combination with pollutants on various plants. Few participants thought that ambient acid rain loadings have altered soils to such a degree that plants are affected at present, but many thought that acid rain could cause some alterations in soils. The most important research priorities were in the areas of the effects of acid rain on increased leaching of exchangeable plant nutrients and alterations in phosphorous availability. All participants agreed that there are alterations in terrestrial ecosystems from acid precipitation. However, no demonstrated harmful effects were presented from natural ecosystems. Further research on the effects of acid rain on terrestrial ecosystems should be directed mostly toward the interaction of acid rain with toxic elements such as Al, Fe, and Mn and on the effects on nutrient cycling, especially that of nitrogen. 
536 |b AC02-76CH00016. 
650 7 |a Information.  |2 local. 
650 7 |a Experimental Data.  |2 local. 
650 7 |a Atmospheric Precipitations.  |2 local. 
650 7 |a Environmental Effects.  |2 local. 
650 7 |a Separation Processes.  |2 local. 
650 7 |a Soils.  |2 local. 
650 7 |a Recommendations.  |2 local. 
650 7 |a Plant Tissues.  |2 local. 
650 7 |a Elements.  |2 local. 
650 7 |a Plants.  |2 local. 
650 7 |a Research Programs.  |2 local. 
650 7 |a Data Forms.  |2 local. 
650 7 |a Aluminium.  |2 local. 
650 7 |a Tables.  |2 local. 
650 7 |a Iron.  |2 local. 
650 7 |a Biological Pathways.  |2 local. 
650 7 |a Yields.  |2 local. 
650 7 |a Injuries.  |2 local. 
650 7 |a Ecosystems.  |2 local. 
650 7 |a Nonmetals.  |2 local. 
650 7 |a Terrestrial Ecosystems.  |2 local. 
650 7 |a Nutrients.  |2 local. 
650 7 |a Numerical Data.  |2 local. 
650 7 |a Metals.  |2 local. 
650 7 |a Manganese.  |2 local. 
650 7 |a Rain.  |2 local. 
650 7 |a Contamination.  |2 local. 
650 7 |a Forests.  |2 local. 
650 7 |a Leaching.  |2 local. 
650 7 |a Dissolution.  |2 local. 
650 7 |a Chemical Reactions.  |2 local. 
650 7 |a Phosphorus.  |2 local. 
650 7 |a Transition Elements.  |2 local. 
650 7 |a Acid Rain.  |2 local. 
650 7 |a Crops.  |2 local. 
650 7 |a Data.  |2 local. 
650 7 |a Metabolism.  |2 local. 
650 7 |a Environmental Sciences.  |2 edbsc. 
650 7 |a Radiation, Thermal, And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat..  |2 edbsc. 
710 2 |a Brookhaven National Laboratory.  |4 res. 
710 1 |a United States.  |b Department of Energy.  |b Office of Scientific and Technical Information.  |4 dst. 
856 4 0 |u http://www.osti.gov/servlets/purl/5338464/  |z Online Access 
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952 f f |p Can circulate  |a University of Colorado Boulder  |b Online  |c Online  |d Online  |e E 1.99:bnl-51195  |h Superintendent of Documents classification  |i web  |n 1