Anderson, J. R., E. E. Hardy, andJ. T. Roach 1976. A land use and land cover classification system for use with remote sensor data. Geological Survey Professional Paper 964, A revision of the land use classification system as presented in U.S. Geological Survey Circular 671. U.S. Government Printing Office, Washington, D.C.
Aravena, R., L. Evans
, andJ. A. Cherry
. 1993. Stable isotopes of oxygen and nitrogen in source identification of nitrate from septic systems.Ground Water
Bertness, M. D.
1991. Zonation ofSpartina patens
in a New England salt marsh.Ecology
Bertness, M. D. 1992. The ecology of a New England salt marsh.American Scientist 80:260–268.
Bertness, M. D.
andA. M. Ellison
. 1987. Determinants of pattern in a New England salt marsh plant community.Ecological Monographs
Bertness, M. D. andS. C. Pennings. 2000. Spatial variation in process and pattern in salt marsh plant communities in eastern North America, p. 39–58.In M. P. Weinstein, and D. A. Kreeger (eds.), Concepts and Controversies in Tidal Marsh Ecology. Kluwer Academic Publishers, The Netherlands.
Bricker-Urso, S., S. W. Nixon, J. K. Cochran, D. J. Hirschberg
, andC. Hunt
. 1989. Accretion rates and sediment accumulation in Rhode Island salt marshes.Estuaries
Carpenter, S., N. F. Caraco, D. L. Correll, R. W. Howarth, S. N. Sharpley, andV. H. Smith. 1998. Nonpoint pollution of surface waters with phosphorus and nitrogen.Issues in Ecology 3:1–12.
Cole, M. L., I. Valiela, K. D. Kroeger, G. L. Tomasky, J. Cebrian, C. Wigand, R. A. McKinney, S. P. Grady, and M. E. C. Silva. 2004. Assessment of a δ15N isotopic method to indicate anthropogenic eutrophication in aquatic ecosystems.Journal of Environmental Quality January/February 2004 (in press).
Deegan, L. A.
2002. Lessons learned: The effects of nutrient envichment on the support of nekton by seagrass and salt marsh ecosystems.Estuaries
Donnelly, J. P.
andM. D. Bertness
. 2001. Rapid shoreward encroachment of salt marsh cord grass in response to accelerated sea-level rise.Proceedings of the National Academy of Science
Emery, N. C., P. J. Ewanchuk
, andM. D. Bertnes
. 2001. Competition and salt-marsh plant zonation: Stress tolerators may be dominant competitors.Ecology
Gallagher, J. L., G. F. Somers, D. M. Grant
, andD. M. Seliskar
. 1988. Persistent differences in two forms ofSpartina alterniflora
: A common garden experiment.Ecology
Goldberg, D. E.
andT. E. Miller
. 1990. Effects of different resource additions on species diversity in an annual plant community.Ecology
Gormley, J. R.
andR. F. Spalding
. 1979. Sources and concentrations of nitrate-nitrogen in groundwater of the central Platte region, Nebraska.Ground Water
Heltshe, J. F.
andN. E. Forrester
. 1983. Estimating species richness using the jackknife procedure.Biometrics
Howes, B. L., W. H. Dacey
, andD. D. Goehringer
. 1986. Factors controlling the growth form ofSpartina alterniflora
: Feedbacks between above-ground production, sediment oxidation, nitrogen and salinity.Journal of Ecology
Howes, B. L., R. W. Howarth, J. M. Teal, andI. Valiela. 1981. Oxidation-reduction potentials in a salt marsh: Spatial paterns and interactions with primary production.Limnology and Oceanography 26:350–360.
Kreitler, C. W.
andL. A. Browning
. 1983. Nitrogen-isotope analysis of groundwater nitrate in carbonate aquifers Natural sources versus human pollution.Journal of Hydrology
Kreitler, C. W., S. Ragone
, andB. G. Katz
N ratios of ground water nitrate, Long Island, NY.Ground Water
Levine, J. M., J. S. Brewer
, andM. D. Bertness
1998. Nutrients, competition, and plant zonation in a New England salt marsh.Journal of Ecology
McClelland, J. W.
. 1998. Linking nitrogen in estuarine producers to land-derived sources.Limnology and Oceanography
McKee, K. L.
andW. H. Patrick
, Jr. 1988. The relationship of smooth cordgrass (Spartina alterniflora
) to tidal datums: A review.Estuaries
McKinney, R. A., W. G. Nelson, M. A. Charpentier
, andC. Wigand
. 2001. Ribbed mussel nitrogen isotope signatures reflect nitrogen sources in coastal salt marshes.Ecological Applications
Mendelssohn, L. A., K. L. McKee
, andW. H. Patrick
. 1981. Oxygen deficiency inSpartina alterniflora
roots: Metabolic addaptation to anoxia.Science
Miller, W. B.
andF. E. Egler
. 1950. Vegetation of the Wequetequock-Pawcatuck tidal marshes, Connecticut.Ecological Monographs
Niering, W. A.
andR. S. Warren
. 1980. Vegetation patterns and processes in New England salt marshes.BioScience
Nixon, S. W. 1982. The ecology of New England high salt marshes: A community profile. FFWS/OBS-81/55. U.S. Fish and Wildlife Service, Washington, D.C.
Nixon, S. W.
andC. A. Oviatt
. 1973. Analysis of local variation in the standing crop ofspartina alterniflora
Oviatt, C. A., S. W. Nixon
, andJ. Garber
. 1977. Variation and evaluation of costal salt marshes.Environmental Management
Redfield, A. C.
1972. Development of a New England salt marsh.Ecological Monographs
Roman, C. T., N. Jaworski, F. T. Short, S. Findlay
, andS. Warren
. 2000. Estuaries of the northeastern United States: Habitat and land use signatures.Estuaries
1984. Plant dominace along an artificial nutrient gradient.Ecology
1987. Secondary dominance and the pattern of plant dominance along an experimental nutrient gradient.Ecological Monographs
Thursby, G. B. and M. A. Abdelrhman. 2004. Growth of the marsh elderIva frutescens in relation to land elevation.Estuaries 27: (in press).
Valiela, I., M. L. Cole, J. McClelland, J. Hauxwell, J. Cebrian, andS. B. Joye. 2000b. Role of salt marshes as part of coastal landscapes, p. 23–38.In M. P. Weinstein and D. A. Kreeger (eds.) Concepts and Controversies in Tidal Marsh Ecology. Kluwer Academic Publishers, The Netherlands.
Valiela, I., G. Collins, J. Kremer, K. Lajtha, M. Geist, B. Seely, J. Brawley
, andC. H. Sham
. 1997. Nitrogen loading from coastal watersheds to receiving estuaries: New method and applications.Ecological Applications
Valiela, I., M. Geist, J. McClelland
, andG. Tomasky
. 2000a. Nitrogen loading from watersheds to estuaries: Verification of the Waquoit Bay Nitrogen Loading Model.Biogeochemistry
Valiela, I. andJ. M. Teal. 1974. Nutrient limitation in salt marsh vegetation, p. 563–574.In R. J. Reimold and W. H. Queen (eds.), Ecology of Halophytes. Academic Press, New York.
Valiela, I., J. M. Teal
, andW. J. Sass
. 1973. Nutrient retention in salt marsh plots experimentally fertilized with sewage sludge.Estuarine and Coastal Marine Science
Valiela, I., J. M. Teal
, andW. J. Sass
. 1975. Production and dynamics of salt marsh vegetation and the effects of experimental treatment with sewage sludge.Journal of Applied Ecology
Vitousek, P. M., R. Aber, R. W. Howarth, G. E. Likens, P. A. Matson, D. W. Schindler, W. H. Schlesinger, andG. D. Tilman. 1997. Human alteration of the global nitrogen cycle: Causes and consequences.Ecological Applications 7:737–750.
Warren, R. S.
andW. A. Niering
. 1993. Vegetation change on a northeast tidal marsh: Interaction of sea-level rise and marsh accretion.Ecology
Weinstein, M. P.
andJ. H. Balletto
. 1999. Does the common reed,Phragmites australis
, affect essential fish habitat?Estuaries
Wigand, C., R. Comeleo, R. McKinney, G. Thursby, M. Chintala
, andM. Charpentier
. 2001. Outline of a new approach to evaluate ecological integrity of salt marshes.Human and Ecological Risk Assessment