205 



Patrick, W. H. , Jr.; Delaune, R. D. Nitrogen and phosphorus utilization 

 by Spartina alterniflora in a salt marsh in Barataria Bay, Louisiana: 

 estuarine, Coast. Mar. Sci. 4:59-64; 1976. 



Patrick, W. H. , Jr.; Mikkelsen, D. S. Plant nutrient behavior in 

 flooded soil. Fertilizer technology and use, 2d ed. Madison, WI : Soil 

 Science Society of America; 1971. 



Pearsall, W. H.; Mortimer, C. H. Oxidation and reduction potentials in 

 waterlogged soils, natural waters and muds. J. Ecol . 27:483-501; 1939. 



Ponnamperuma, F. N. The chemistry of submerged soils. Adv. Agron. 

 24:29-96; 1972. 



Putnam, J. A.; Furnival , G. M. ; McKnight, J. S. Management and inven- 

 tory of southern hardwoods. Washington, DC: U.S. Department of Agri- 

 culture, Forest Service Agricultural Handbook 181:3-7; 1960. 



Reed, P. B. , Jr. Wetland plants of the United States of America 1988, 

 St. Petersburg, FL: U.S. Fish and Wildlife Service; 1988. WELUT- 

 88/W17.01. 



Roelle, J. E.; Auble, G. T. ; Hamilton, D. B.; Johnson, R. L. ; 

 Segelquist, C. A., eds . Results of a workshop concerning ecological 

 zonation in bottomland hardwoods. Ft. Collins, CO: U.S. Fish and 

 Wildlife Service, National Ecology Center; 1987; NEC-87/14. 



Ter Braak, C. J. F. ; Prentice, I. C. A theory of gradient analysis. 

 Advances in Ecological Research 18:271-313; 1988. 



U.S. Department of Agriculture. National list of scientific plant 

 names, vols I and II. Washington, DC: Soil Conservation Service; 1982. 

 SCS-TP-159. 



Van Der Valk, A. G. Succession in wetlands; a Gleasonian approach. 

 Ecology 62(3):688-696; 1981. 



Vester, G. The physiology of flooding tolerances in trees. Bot. Sci. 

 Edinb. Trans. 41(4) : 556-557 ; 1972. 



Whittaker, R. H. Vegetation of the Great Smoky Mountains. Ecol. 

 Monogr. 26:1-69; 1956. 



Whittaker, R. H. Gradient analysis of vegetation. Biol. Rev. 

 49:207-264; 1967. 



Whittaker, R. H. Direct gradient analysis: techniques. Whittaker, 

 R. H. , ed. Ordination and classification of communities. The Hague: 

 Junk; Handbook of vegegation science 5:7-31; 1973. 



Whittaker, R. H. Ordination of plant communities, the Hague; 1978; 

 388 p. 



