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introduction - Pennsylvania Natural Heritage Program

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LITERATURE CITEDAnonymous. 1985. A preliminary inventory of natural areas of the Hoosier National Forest. IndianaDepartment of <strong>Natural</strong> Resources, Indianapolis, Indiana. Unpublished report. 197 p.Anderson, M.G. and B. Vickery. In press. Scaling the coarse filter: determining the adequate size ofecosystem-based reserves. Conservation Biology.Arkansas Forestry Commission. Best Management Practices Guidelines: Roads. Available online at:http://www.forestry.state.ar.us/bmp/roads.html. Accessed: May 2004.Audubon Society of <strong>Pennsylvania</strong>. Important Bird Areas Project. (2002). Retrieved fromhttp://pa.audubon.org/Ibamain.htm on May 5, 2004.Barclay, J.S. 1980. Impact of stream alterations on riparian communities in southcentral Oklahoma.Fish and Wildlife Service Contract 14-16-0008-2039. FWS/OBS-80/17. Washington, DC:Government Printing Office.Brown, M.T., J. M. Schaefer, and K. H. Brandt. 1990. Buffer zones for water, wetlands and wildlife inEast Central Florida. Prepared for the East Central Florida Regional Planning Council, Winter Park,FL. Gainesville, FL: Center for Wetlands, Univ. of FL. 71 pp.Braun, E.L. 1950. Deciduous forests of eastern North America. The Free Press, MacMillan Publ. Co.,New York. 596 p.Crossley, G.J. 1998. Important bird areas in <strong>Pennsylvania</strong>. Stackpole Books, Mechanicsburg, PA.192 p.Davis, A.F., T.L. Smith, A.M. Wilkinson, E.B. Drayton, and G.J. Edinger. 1990. A natural areasinventory of Lancaster County, <strong>Pennsylvania</strong>. <strong>Pennsylvania</strong> Science Office of the NatureConservancy, Middletown, <strong>Pennsylvania</strong>. 165 p.DeMauro, M. M. 1993. Colonial nesting bird responses to visitor use at Lake Renwick heron rookery,Illinois. <strong>Natural</strong> Areas Journal 13:4-9.East-West Gateway Coordinating Council. Highway Runoff and Water Quality Impacts. 2000.http://www.ewgateway.org/pdffiles/library/aq/wqhwywords.pdf. (Accessed: February 5, 2004).Ecological Regions of North America—Towards a Common Perspetive. 1997. Secretariat of the NorthAmerican Commission for Environmental Cooperation. ISBN 2-922305-18-X. Available online:ftp://ftp.epa.gov/wed/ecoregions/na/CEC_NAeco.pdf. Accessed: March 2004.Ehrlich, P. R., D. S. Dobkin, and D. Wheye. 1992. Birds in Jeopardy: the Imperiled and Extinct Birds ofthe United States and Canada, Including Hawaii and Puerto Rico. Stanford University Press, Stanford,California. 259 pp.Environment Canada. 2001. “Priority Substances List Assessment Report—Road Salt.” Full reportavailable from Environment Canada: email PSL.LSIP@ec.gc.ca Summary available online:http://www.ec.gc.ca/nopp/roadsalt/en/index.htm (Accessed: February 5, 2004).Farrar, DR. 1998. “The tropical flora of rockhouse cliff formations in the eastern United States.” Journalof the Torrey Botanical Society 125 (2): 91-108147

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