Acid in the Environment: Lessons Learned and Future by Gerald R. Visgilio, Diana M. Whitelaw

By Gerald R. Visgilio, Diana M. Whitelaw

This e-book is the results of a convention held biannually on the Goodwin-Niering heart for Conservation Biology and Environmental stories at Connecticut collage. It makes use of an interdisciplinary method of specialize in vital ecological affects of acid deposition. The publication combines study findings and the coverage analyses of specialists from assorted educational disciplines with the positions complex by means of representatives of assorted nongovernmental corporations.

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Extra resources for Acid in the Environment: Lessons Learned and Future Prospects

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This limitation can lead to nutrient deficiencies that can lower a tree's tolerance to environmental stress and cause decline. 2. Sugar Maple The decline of sugar maples has been studied in the eastern United States since the 1950s and there is growing evidence that sugar maple decline is linked to acidic deposition. Extensive mortality among sugar maples in Pennsylvania appears to result from deficiencies of base cations, coupled with other stresses such as insect defoliation or drought. Sugar maples are most prone to die on sites where base cation concentrations in soil or foliage Acidic Deposition 41 are lowest (Horsley et al.

In contrast in the United States only three regions are showing statistically significant increases in ANC; lakes in the Adirondacks and Upper Midwest and streams in Northern Appalachian Plateau (Stoddard et al. 2003). In the United States decreases in the sum of base cations closely correspond to decreases in sulfate plus nitrate, limiting rates of ANC increase. Three factors have limited the recovery in chemical water quality at Hubbard Brook and other watersheds in acid-sensitive regions that have received elevated inputs of acidic deposition.

Parti Ecological Impacts of Acid Deposition 3. Acidic Deposition: Sources and Ecological Effects Charles T. Driscoll, Kathy Fallon Lambert and Limin Chen 1. Acidic Deposition Acidic atmospheric deposition, popularly referred to as acid rain, is the transfer of strong acids and acid forming substances from the atmosphere to the Earth's surface. Acidic deposition is comprised of sulfuric and nitric acids, and ammonium derived from atmospheric emissions of sulfur dioxide, nitrogen oxides, and ammonia respectively.

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