Book Chapter
Year of Publication
	
  						1993			      
Book Title
	
  						M. J. McDonnell and S. T. A. Pickett (eds.). Humans as Components of Ecosystems: The Ecology of Subtle Human Effects and Populated Areas			      
Number of Pages
	
  						141-157			      
Publisher
	
  						Springer-Verlag New York, Inc.			      
  