Book Chapter
Year of Publication
	
  						1997			      
Book Title
	
  						S. T. A. Pickett, R. S. Ostfeld, M. Shachak, and G. E. Likens (eds.). The Ecological Basis of Conservation: Heterogeneity, Ecosystems, and Biodiversity			      
Number of Pages
	
  						108-119			      
Publisher
	
  						Chapman & Hall, Inc., New York