|  | 
		PS 76 - 
		Latebreaking: Biogeochemistry
	
			
	
	
  Friday, August 12, 2011: 8:30 AM-10:30 AM Exhibit Hall 3, Austin Convention Center 
	
		
	
		
	
		
	
		
	
		
	
	
		
	 
		How many mountains can we mine?  Ecological thresholds for freshwater ecosystems of the Central Appalachians
		
			
				Brian D. Lutz, Kent State University; 
			
				Emily S. Bernhardt, Duke University; 
			
				Raven L. Bier, Duke University; 
			
				Ashley Helton, Duke University; 
			
				Catherine E. Carter, TetraTech, Inc.; 
			
				John Fay, Duke University; 
			
				Ryan S. King, Baylor University; 
			
				Margaret Palmer, University of Maryland; 
			
				David Campagna, Campagna & Associates, LLC; 
			
				John Amos, SkyTruth
			
		
		
			
		 
	
	
		
	 
		Do the effects of species richness on ecosystem function rival other forms of environmental change?
		
			
				David U. Hooper, Western Washington University; 
			
				E. Carol Adair, University of Vermont; 
			
				Jarrett E. Byrnes, University of California, Davis; 
			
				Lars Gamfeldt, University of Gothenburg; 
			
				Andrew Gonzalez, McGill University; 
			
				Bruce A. Hungate, Northern Arizona University; 
			
				Mary I. O'Connor, University of British Columbia; 
			
				Bradley J. Cardinale, University of Michigan; 
			
				J. Emmett Duffy, Tennenbaum Marine Observatory Network, Smithsonian Institution
			
		
		
			
		 
	
	
		
	 
		Differential silver nanoparticle toxicity to microbes and macrophytes leads to carbon dioxide, nitrous oxide, and methane pulses
		
			
				Benjamin P. Colman, Duke University; 
			
				Curtis J. Richardson, Duke University; 
			
				Gregory V. Lowry, Carnegie Mellon University; 
			
				Brian K. Reinsch, Carnegie Mellon University; 
			
				Benjamin Espinasse, Duke University; 
			
				Mark R. Wiesner, Duke University; 
			
				Jason M. Unrine, University of Kentucky; 
			
				Emily S. Bernhardt, Duke University
			
		
		
			
		 
	
	
		
	 
		Distribution and pathways of arsenic in a hypersaline estuary
		
			
				Brian L. Fredensborg, The University of Texas-Pan American; 
			
				German Riojas, The University of Texas-Pan American; 
			
				Thomas A. Eubanks, The University of Texas-Pan American; 
			
				Alondra Hernandez, The University of Texas-Pan American; 
			
				Flor A. Sandoval, The University of Texas-Pan American; 
			
				Steven Luther, The University of Texas-Pan American; 
			
				Ramiro Garza, The University of Texas-Pan American; 
			
				Hudson DeYoe, The University of Texas-Pan American; 
			
				Frank Dirrigl Jr., The University of Texas-Pan American; 
			
				Jason Parsons, The University of Texas-Pan American; 
			
				Michael W. Persans, The University of Texas-Pan American; 
			
				Kristine L. Lowe, The University of Texas - Pan American
			
		
		
			
		 
	
 |