LITERATURE CITED
- Adams , F. S. , Cole , H. Jr. and Massie , L. B. 1973 . Element constitution of selected aquatic vascular plants from Pennsylvania: submersed and floating leaved species and rooted emergent species . Environmental Pollution , 5 : 117 – 147 .
- Auclair , A. N.D. 1982 . Seasonal dynamics of nutrients in a Carex meadow . Canadian Journal of Botany , 60 : 1671 – 1678 .
- Brix , H. 1997 . Do macrophytes play a role in constructed treatment wetlands? . Water Science and Technology , 35 : 11 – 17 .
- Edwards , G. S. 1991 . Root distribution of soft-stem bulrush (Scirpus validus) in constructed wetland . Ecological Engineering , 1 : 239 – 243 .
- Green , E. K. and Galatowitsch , S. M. 2001 . Differences in wetland plant community establishment with additions of nitrate-N and invasive species (Phalaris arundinacea Typha x glauca) . Canadian Journal of Botany , 79 : 170 – 178 .
- Hoagland , C. R. , Gentry , L. E. , David , M. B. and Kovacik , D. A. 2001 . Plant nutrient uptake and biomass accumulation in a constructed wetland . Journal of Freshwater Ecology , 16 : 527 – 540 .
- Koerselman , W. and Meuleman , A. F.M. 1996 . The vegetation N:P ratio: a new tool to detect the nature of nutrient limitation . Journal of Applied Ecology , 33 : 1441 – 1450 .
- Kuehn , K. A. , Lemke , M. J. , Suberkropp , K. and Wetzel , R. G. 2000 . Microbial biomass and production associated with decaying leaf litter of the emergent macrophytes Juncus effusus. . Limnology and Oceanography , 45 : 862 – 870 .
- McJannet , C. L. , Keddy , P. A. and Pick , F. R. 1995 . Nitrogen and phosphorus tissue concentrations in 41 wetland plants: a comparison across habitats and functional groups . Function Ecology , 9 : 231 – 238 .
- Meuleman , A. F.M. , Beekman , J. Ph. and Verhoeven , J. T.A. 2002 . Nutrient retention and nutrient-use efficiency in Phragmites australis stands after wastewater application . Wetlands , 22 : 712 – 721 .
- Meyerson , L. A. , Chambers , R. M. and Vogt , K. A. 1999 . The effects of phragmites removal on nutrient pools in a freshwater tidal marsh ecosystem . Biological Invasions , 1 : 129 – 136 .
- Meyerson , L. A. , Saltonstall , K. , Windham , L. , Kiviat , E. and Findlay , S. 2000 . A comparison of Phragmites australis in freshwater and brackish marsh environments in North America . Wetlands Ecology and Management , 8 : 89 – 103 .
- Moore , D. R.J. , Keddy , P. A. , Gaudet , C. L. and Wisheu , I. C. 1989 . Conservation of wetlands: do infertile wetlands deserve a higher priority? . Biological Conservation , 47 : 203 – 217 .
- Pullin , B. P. and Hammer , D. A. 1991 . Aquatic plants improve wastewater treatment . Water Environment & Technology , 3 : 36 – 40 .
- Ratliff , R. D. and Westfall , S. E. 1988 . Biomass trends in a Nebraska sedge meadow, Sierra National Forest, California . Aquatic Botany , 30 : 109 – 124 .
- Seabloom , E. W. and van der valk , A. G. 2003a . The development of vegetative zonation patterns in restored prairie pothole wetlands . Journal of Applied Ecology , 40 : 92 – 100 .
- Seabloom , E. W. and van der valk , A. G. 2003b . Plant diversity, composition, and invasion of restored and natural prairie pothole wetlands: implications for restoration . Wetlands , 23 : 1 – 12 .
- Tilman , D. 1982 . Resource competition and community structure. Princeton Monographs in Population Biology 17. 310 Princeton, New Jersey. : Princeton University Press .
- U.S. Environmental Protection Agency . 1983 . Methods for chemical analysis of water and wastes. US EPA, Office of Research and Development. Washington, DC EPA-600/4–79-020. 552
- Zar , J. H. 1999 . Biostatistical analysis, fourth edition 663 Upper Saddle River, New Jersey. : Prentice Hall .