23. Dunst. R. C S. M. Born, P. D. Uttormark, S. A. Smith, S. A. Nichols, J. O. 

 Peterson, D. R. Knauer, S. L. Serns, D. R. Winter, and T. L. Wirth. 1974. 

 Survey of lake rehabilitation techniques and experiences. Tech. Bull. No. 75, 

 Department of Natural Resources. Madira, Wise. 179 pp. 



24. Federal Register. 1974. Vol. 39, October 8. 



25. Cairns, J., Jr. 1980. Estimating hazard. BioScience. 30(2): 101-107. 



26. Vogl, R. J. 1977. Fire: a destructive menace or a natural process? pp. 261-289 

 In Recovery and restoration of damaged ecosystems. J. Cairns, Jr., K. L. 

 Dickson, and E. E. Herricks, eds. University Press of Virginia, Charlottesville, 

 Va. 531 pp. 



27. Vogl, R. J. 1980. The ecological factors that produce perturbation-dependent 

 ecosystems, pp. 63-94 In The recovery process in damaged ecosystems. J. 

 Cairns, Jr., ed. Ann Arbor Science Publishers. Ann Arbor, Mich. 



28. Mueller-Dombois, D. 1980. The 'ohi'a dieback phenomenon in the Hawaiian 

 rainforest, pp. 153-161 In The recovery process in damaged ecosystems. J. 

 Cairns, Jr., ed. Ann Arbor Science Publishers. Ann Arbor, Mich. 



29. Mueller-Dombois, D., and V. J. Krajina. 1968. Comparison of east-flank 

 vegetation on Mauna Loa and Mauna Kea, Hawaii. Recent Adv. Trop. Ecol. 

 2:508-520. 



30. Woods Hole Conference. 1977. Long-term ecological measurements. National 

 Technical Information Service. Springfield, Va. 26 pp. 



31. Loucks, O. L. 1979. Long-term ecological research: concept statement and 

 measurement needs. Proc. of the Instructional Ecology Workshop. Indian- 

 apolis, Ind. 27 pp. 



32. Botkin, D. B. 1978. A pilot program for long-term observation and study of 

 ecosystems in the United States: report of a second conference on long-term 

 ecological measurements. Woods Hole, Mass. 44 pp. 



33. Toyryla P. 1979. Publication of the Hubbard Brook ecosystem study. Cornell 

 University. Ithaca, N.Y. 34 pp. 



34. Bormann, F. H., and G. E. Likens. 1979. Catastrophic disturbance and the 

 steady state in northern hardwood forests. Amer. Sci. 67:660-669. 



35. Edmondson, W. T. 1979. Lake Washington and the predictability of limnolog- 

 ical events. Arch. Hydrobiol. 13:234-241. 



36. Cairns. J., Jr., and K. L. Dickson. In press. Risk analysis for aquatic ecosys- 

 tems. In Biological evaluation of environmental impact. J. Reisa, ed. Council 

 on Environmental Quality, Washington. D.C. 



37. Rapport, D. J., and J. E. Turner. 1977. Economic models in ecology. Science. 

 195:367-373. 



38. Cairns, J., Jr., K. M. Hart, and M.S. Henebry. 1980. The effects of a sublethal 

 dose of copper sulfate on the colonization rate of freshwater protozoan 

 communities. Amer. Midi. Nat. 104( 1):93-101. 



39. Seagle, H. H., Jr., A. C. Hendricks, and J. Cairns. Jr. 1980. Does improved 

 waste treatment have demonstrable biological benefits? Environ. Manage. 

 4(l):49-56. 



40. Cairns, J., Jr., and K. L. Dickson, eds. 1972. An ecosystematic study of the 

 South River, Virginia. Water Resources Research Center Bull. No. 54. Virgi- 

 nia Polytechnic Institute and State University. Blacksburg, Va. 104 pp. 



41. Regier, H. A., and W. L. Hartman. 1973. Lake Erie's fish community: 150 

 years of cultural stresses. Science. 180:248-1255. 



42. Boyle, J. R. 1975. Nutrients in relation of intensive culture of forest crops. 

 Iowa State J. Res. 49(3):297-303. 



43. Boyle, J. R. 1976. A system for evaluating potential impacts on whole-tree 

 harvesting on site quality. TAPPl. 59(7):79-8l. 



44. Odum, E. P., J. T. Finn, and E. H. Franz. 1979. Perturbation theory and the 

 subsidy-stress gradient. BioScience. 29(6):349-352. 



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