By Timothy J. Sullivan
A number of air toxins are emitted into the ambience from human-caused and common emissions assets during the usa and in different places. those contaminants effect delicate typical assets in desolate tract, together with the nationwide parks. The process of nationwide parks within the usa is between our best resources. This publication offers a compilation and synthesis of present medical knowing concerning the explanations and results of those toxins inside nationwide park lands. It describes pollutant emissions, deposition, and exposures; it identifies the serious (tipping aspect) a great deal of pollutant deposition at which opposed affects are manifested.
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Additional resources for Air pollution and its impacts on U.S. national parks
C. T. A. Bishop. 2013. Effects of acidic deposition and soil acidification on sugar maple in the Adirondack Mountains, New York. Environ. Sci. Technol. 47:12687–12694. S. S. Fish and Wildlife Service. 2000. Federal land managers’ air quality related values workgroup (FLAG) phase I report. S. S. Fish and Wildlife Service-Air Quality Branch. National Park Service, Denver, CO. S. S. S. Fish and Wildlife Service. 2010. Federal land managers’ air quality related values work group (FLAG): Phase I report—Revised (2010).
Robert Kohut edited sections on the effects of ozone on park vegetation. Photographs were mostly provided by the National Park Service. Helpful suggestions that contributed to book organization and content were provided by Ellen Porter, Tamara Blett, and Tonnie Cummings. The book benefited greatly from review comments offered on an earlier draft by Gail Begley, David Gay, William Jackson, Robert Kohut, Dixon Landers, and Jason Lynch. My wife and daughters provided encouragement and accompanied me on visits to many of the parks discussed herein.
The second section comprises 19 case studies of specific parks and/or park networks (small groups of parks that have similar resources and experience similar threats). They are organized by geographic region. The case studies focus on many of the larger parks that have been relatively well studied. S. Virgin Islands, north to Alaska, and west to Hawaii. Affected ecosystems span the spectrum from rain forests to deserts, high mountains to coastal areas, and forests to grasslands and wetlands. The reader will likely need to master the material presented in the first three introductory chapters in order to fully understand the case study chapters.