Poff, N. L., J. D. Allan, M. B. Bain, J. R. Karr, K. L. Prestegaard, B. D. 
Richter, R. E. Sparks and J. C. Stromberg (1997).  The natural flow regime. A 
paradigm for river conservation and restoration. Bioscience.  47:769-784.
	
The ecological integrity of river ecosystems depends on their natural dynamic 
character.