Is in-stream N2 fixation an important N source for benthic communities and stream ecosystems?

Journal of the North American Benthological Society

Volumn 27, Issue 1, 2008, Pages 186-211

  Marcarelli, Amy M ^a,b   Baker, Michelle A ^a   Wurtsbaugh, Wayne A ^a  

^a UTAH STATE UNIVERSITY   (United States)

^b Nucl Eng Idaho State University   (United States)

Author keywords

Ammonium; Denitrification; DIN uptake; Nitrate; Nitrogen cycle; Nitrogen fixation; Stream

Indexed keywords

BENTHOS; COMMUNITY COMPOSITION; COMMUNITY DYNAMICS; COMPARATIVE STUDY; FOOD WEB; FRESHWATER ECOSYSTEM; METHODOLOGY; NITROGEN CYCLE; NITROGEN FIXATION; NUTRIENT BUDGET; STREAM;

EID: 38949101388     PISSN: 08873593     EISSN: None     Source Type: Journal    
DOI: 10.1899/07-027.1     Document Type: Review

References (134)

1. ABE, S.-I., K. KISO, O. KATANO, S. YAMAMOTO, T. NAGUMO, AND J. TANAKA. 2006. Impacts of differential consumption by the grazing fish, Plecoglossus altivelis, on the benthic algal composition in the Chikuma River, Japan. Phycological Research 54:94-98.
2. ABOAL, M., M. A. PUIG, P. MATEO, AND E. PERONA. 2002. Implications of cyanophyte toxicity on biological monitoring of calcareous streams in north-east Spain. Journal of Applied Phycology 14:49-56.
3. ALEXANDER, R. B., R. A. SMITH, AND G. E. SCHWARZ. 2000. Effect of stream channel size on the delivery of nitrogen to the Gulf of Mexico. Nature 403:758-761.
4. ARP, C. D., AND M. A. BAKER. 2007. Discontinuities in stream nutrient uptake below lakes in mountain drainage networks. Limnology and Oceanography 52:1978-1990.
5. ASHKENAS, L. R., S. L. JOHNSON, S. V. GREGORY, J. L. TANK, AND W. M. WOLLHEIM. 2004. A stable isotope tracer study of nitrogen uptake and transformation in an old-growth forest stream. Ecology 85:1725-1739.
6. BALDWIN, D. S., A. M. MITCHELL, G. N. REES, G. O. WATSON, AND J. L. WILLIAMS. 2006. Nitrogen processing by biofilms along a lowland river continuum. River Research and Applications 22:319-326.
7. BARTKOW, M. E., AND J. W. UDY. 2004. Quantifying potential nitrogen removal by denitrification in stream sediments at a regional scale. Marine and Freshwater Research 55: 309-315.
8. 2 fixation by non-heterocystous cyanobacteria. FEMS Microbiology Reviews 19:139-185.
9. BERNHARDT, E. S., R. O. HALL, AND G. E. LIKENS. 2002. Whole-system estimates of nitrification and nitrate uptake in streams of the Hubbard Brook experimental forest. Ecosystems 5:419-430.
10. BERNHARDT, E. S., AND G. E. LIKENS. 2002. Dissolved organic carbon enrichment alters nitrogen dynamics in a forest stream. Ecology 83:1689-1700.
11. BERNOT, M. J., AND W. K. DODDS. 2005. Nitrogen retention, removal, and saturation in lotic ecosystems. Ecosystems 8:442-453.
12. BERNOT, M. J., W. K. DODDS, W. S. GARDNER, M. J. MCCARTHY, D. SOBOLEV, AND J. L. TANK. 2003. Comparing denitrification estimates for a Texas estuary by using acetylene inhibition and membrane inlet mass spectrometry. Applied and Environmental Microbiology 69:5950-5956.
13. BERNOT, M. J., J. L. TANK, T. V. ROYER, AND M. B. DAVID. 2006. Nutrient uptake in streams draining agricultural catchments of the midwestern United States. Freshwater Biology 51:499-509.
14. BROOKSHIRE, E. N. J., H. M. VALETT, S. A. THOMAS, AND J. R. WEBSTER. 2005. Coupled cycling of dissolved organic nitrogen and carbon in a forest stream. Ecology 86: 2487-2496.
15. BUCKLEY, B. M., AND F. J. TRISKA. 1978. Presence and ecological role of nitrogen-fixing bacteria associated with wood decay in streams. Verhandlungen der Internationalen Vereinigung für theoretische und angewandte Limnologie 20:1333-1339.
16. BURGIN, A. J., AND S. K. HAMILTON. 2007. Have we overemphasized the role of denitrification in aquatic ecosystems? A review of nitrate removal pathways. Frontiers in Ecology and the Environment 5:89-96.
17. CHATARPAUL, L., J. B. ROBINSON, AND N. K. KAUSHIK. 1980. Effects of tubificid worms on denitrification and nitrification in stream sediment. Canadian Journal of Fisheries and Aquatic Sciences 37:656-663.
18. CHRISTENSEN, P. B., AND J. SORENSEN. 1988. Denitrification in sediment of lowland streams: regional and seasonal variation in Gelbaek and Rabis Baek, Denmark. FEMS Microbiology Ecology 53:335-344.
19. 2-fixing red alder. Ecosystems 6:773-785.
20. COOKE, J. G., AND R. E. WHITE. 1987. The effect of nitrate in stream water on the relationship between denitrification and nitrification in a stream sediment microcosm. Freshwater Biology 18:213-226.
21. COOPER, A. B., AND J. G. COOKE. 1984. Nitrate loss and transformation in 2 vegetated headwater streams. New Zealand Journal of Marine and Freshwater Research 18: 441-450.
22. CSADA, R. D., P. C. JAMES, AND R. H. M. ESPIE. 1996. The "file drawer problem" of non-significant results: does it apply to biological research? Oikos 76:591-593.
23. CUMMINS, K. W., J. R. SEDELL, F. J. SWANSON, G. W. MINSHALL, S. G. FISHER, C. E. CUSHING, R. C. PETERSEN, AND R. L. VANNOTE. 1983. Organic matter budgets for stream ecosystems: problems in their evaluation. Pages 299-353 in J. R. Barnes and G. W. Minshall (editors). Stream ecology: application and testing of general ecological theory. Plenum Press, New York.
24. DAVIS, J. C., AND G. W. MINSHALL. 1999. Nitrogen and phosphorus uptake in two Idaho (USA) headwater wilderness streams. Oecologia (Berlin) 119:247-255.
25. DENT, C. L., AND N. B. GRIMM. 1999. Spatial heterogeneity of stream water nutrient concentrations over successional time. Ecology 80:2283-2298.
26. DODDS, W. K., AND R. W. CASTENHOLZ. 1988. The nitrogen budget of an oligotrophic cold water pond. Archiv für Hydrobiologie Supplement 79:343-362.
27. DODDS, W. K., M. A. EVANS-WHITE, N. M. GERLANC, L. GRAY, D. A. GUDDER, M. J. KEMP, A. L. LOPEZ, D. STAGLIANO, E. A. STRAUSS, J. L. TANK, M. R. WHILES, AND W. M. WOLLHEIM. 2000. Quantification of the nitrogen cycle in a prairie stream. Ecosystems 3:574-589.
28. DODDS, W. K., A. J. LOPEZ, W. B. BOWDEN, S. GREGORY, N. B. GRIMM, S. K. HAMILTON, A. E. HERSHEY, E. MARTÍ, W. H. MCDOWELL, J. L. MEYER, D. MORRALL, P. J. MULHOLLAND, B. J. PETERSON, J. L. TANK, H. M. VALETT, J. R. WEBSTER, AND W. WOLLHEIM. 2002. N uptake as a function of concentration in streams. Journal of the North American Benthological Society 21:206-220.
29. DUDLEY, T. L., AND C. M. D'ANTONIO. 1991. The effects of substrate texture, grazing, and disturbance on macroalgal establishment in streams. Ecology 72:297-309.
30. DUFF, J. H., C. M. PRINGLE, AND F. J. TRISKA. 1996. Nitrate reduction in sediments of lowland tropical streams draining swamp forests in Costa Rica: an ecosystem perspective. Biogeochemistry 33:179-196.
31. DUFF, J. H., F. J. TRISKA, AND R. S. OREMLAND. 1984. Denitrification associated with stream periphyton: chamber estimates from undisrupted communities. Journal of Environmental Quality 13:514-518.
32. EARL, S. R., H. M. VALETT, AND J. R. WEBSTER. 2006. Nitrogen saturation in stream ecosystems. Ecology 87:3140-3151.
33. EDWARDS, R. W., AND H. L. J. ROLLEY. 1965. Oxygen consumption of river muds. Journal of Ecology 53:1-19.
34. ELWOOD, J. W., J. D. NEWBOLD, A. F. TRIMBLE, AND R. W. STARK. 1981. The limiting role of phosphorus in a woodland stream ecosystem: effects of P enrichment on leaf decomposition and primary producers. Ecology 62: 146-158.
35. ENSIGN, S. H., AND M. W. DOYLE. 2005. In-channel transient storage and associated nutrient retention: evidence from experimental manipulations. Limnology and Oceanography 50:1740-1751.
36. ENSIGN, S. H., AND M. W. DOYLE. 2006. Nutrient spiraling in streams and river networks. Journal of Geophysical Research 111:G04009, doi:10.1029/2005JG000114.
37. ENSIGN, S. H., S. K. MCMILLAN, S. P. THOMPSON, AND M. F. PIEHLER. 2006. Nitrogen and phosphorus attenuation within the stream network of a coastal, agricultural watershed. Journal of Environmental Quality 35:1237-1247.
38. FELLOWS, C. S., H. M. VALETT, C. N. DAHM, P. J. MULHOLLAND, AND S. A. THOMAS. 2006. Coupling nutrient uptake and energy flow in headwater streams. Ecosystems 9: 788-804.
39. FERBER, L. R., S. N. LEVINE, A. LINI, AND G. P. LIVINGSTON. 2004. Do cyanobacteria dominate in eutrophic lakes because they fix atmospheric nitrogen? Freshwater Biology 49: 690-708.
40. FINDLAY, S. 1995. Importance of surface-subsurface exchange in stream ecosystems: the hyporheic zone. Limnology and Oceanography 40:159-164.
41. FISHER, S. G., L. J. GRAY, N. B. GRIMM, AND D. E. BUSCH. 1982. Temporal succession in a desert stream ecosystem following flash flooding. Ecological Monographs 52:93-110.
42. FISHER, S. G., AND G. E. LIKENS. 1973. Energy flow in Bear Brook, New Hampshire: an integrative approach to stream ecosystem metabolism. Ecological Monographs 43:421-439.
43. FRANCIS, M. M., R. J. NAIMAN, AND J. M. MELILLO. 1985. Nitrogen fixation in subarctic streams influenced by beaver (Castor canadensis). Hydrobiologia 121:193-202.
44. 2 as a nitrogen source. Archives of Microbiology 145:259-265.
45. GOOSEFF, M. N., D. M. MCKNIGHT, R. L. RUNKEL, AND J. H. DUFF. 2004. Denitrification and hydrologic transient storage in a glacial meltwater stream, McMurdo Dry Valleys, Antarctica. Limnology and Oceanography 49:1884-1895.
46. GOTELLI, N. J., AND A. M. ELLISON. 2004. A primer of ecological statistics. Sinauer Associates, Sunderland, Massachusetts.
47. GRIMM, N. B. 1987. Nitrogen dynamics during succession in a desert stream. Ecology 68:1157-1170.
48. GRIMM, N. B. 1994. Disturbance, succession and ecosystem processes in streams: a case study from the desert. Pages 93-112 in P. S. Giller, A. G. Hildrew, and D. G. Raffaeli (editors). Aquatic ecology: scale, pattern and process. Blackwell Scientific, Oxford, UK.
49. GRIMM, N. B., AND K. C. PETRONE. 1997. Nitrogen fixation in a desert stream ecosystem. Biogeochemistry 37:33-61.
50. GRIMM, N. B., R. W. SHEIBLEY, C. L. CRENSHAW, C. N. DAHM, W. J. ROACH, AND L. H. ZEGLIN. 2005. N retention and transformation in urban streams. Journal of the North American Benthological Society 24:626-642.
51. GÜCKER, B., AND I. G. BOËCHAT. 2004. Stream morphology controls ammonium retention in tropical headwaters. Ecology 85:2818-2827.
52. HALL, R. O., E. S. BERNHARDT, AND G. E. LIKENS. 2002. Relating nutrient uptake with transient storage in forested mountain streams. Limnology and Oceanography 47: 255-265.
53. HALL, R. O., B. J. PETERSON, AND J. L. MEYER. 1998. Testing a nitrogen-cycling model of a forest stream by using a nitrogen-15 tracer addition. Ecosystems 1:283-298.
54. HALL, R. O., AND J. L. TANK. 2003. Ecosystem metabolism controls nitrogen uptake in streams in Grand Teton National Park, Wyoming. Limnology and Oceanography 48:1120-1128.
55. HALL, R. O., J. L. TANK, AND M. F. DYBDAHL. 2003. Exotic snails dominate nitrogen and carbon cycling in a highly productive stream. Frontiers of Ecology and the Environment 1:407-411.
56. HAMILTON, S. K., J. L. TANK, D. F. RAIKOW, W. M. WOLLHEIM, B. J. PETERSON, AND J. R. WEBSTER. 2001. Nitrogen uptake and transformation in a Midwestern U.S. stream: a stable isotope enrichment study. Biogeochemistry 54:297-340.
57. HARRISON, J. A., P. A. MATSON, AND S. E. FENDORF. 2005. Effects of a diel oxygen cycle on nitrogen transformations and greenhouse gas emissions in a eutrophied subtropical stream. Aquatic Sciences 67:308-315.
58. HENRY, J. C., AND S. G. FISHER. 2003. Spatial segregation of periphyton communities in a desert stream: causes and consequences for N cycling. Journal of the North American Benthological Society 22:511-527.
59. HILL, A. R. 1979. Denitrification in the nitrogen budget of a river ecosystem. Nature 281:291-292.
60. HILL, A. R., AND K. SANMUGADAS. 1985. Denitrification rates in relation to stream sediment characteristics. Water Research 19:1579-1586.
61. HILL, W. R., AND A. W. KNIGHT. 1987. Experimental analysis of the grazing interaction between a mayfly and stream algae. Ecology 68:1955-1965.
62. HOLMES, R. M., J. B. JONES, S. G. FISHER, AND N. B. GRIMM. 1996. Denitrification in a nitrogen-limited stream ecosystem. Biogeochemistry 33:125-146.
63. HORNE, A. J. 1975. Algal nitrogen fixation in California streams: diel cycles and nocturnal fixation. Freshwater Biology 5:471-477.
64. HORNE, A. J., AND C. J. W. CARMIGGELT. 1975. Algal nitrogen fixation in Californian streams: seasonal cycles. Freshwater Biology 5:461-470.
65. HOWARD-WILLIAMS, C., J. C. PRISCU, AND W. F. VINCENT. 1989. Nitrogen dynamics in two Antarctic streams. Hydrobiologia 172:51-61.
66. HOWARTH, R. W., R. MARINO, J. LANE, AND J. J. COLE. 1988. Nitrogen fixation in freshwater, estuarine, and marine ecosystems. 1. Rates and importance. Limnology and Oceanography 33:669-687.
67. INWOOD, S. E., J. L. TANK, AND M. J. BERNOT. 2005. Patterns of denitrification associated with land use in 9 midwestern headwater streams. Journal of the North American Benthological Society 24:227-245.
68. JANSSON, M., L. LEONARDSON, AND J. FEJES. 1994. Denitrification and nitrogen-retention in a farmland stream in southern Sweden. Ambio 23:326-331.
69. KELLMAN, L. 2004. Nitrate removal in a first-order stream: reconciling laboratory and field measurements. Biogeochemistry 71:89-105.
70. KEMP, M. J., AND W. K. DODDS. 2002. Comparisons of nitrification and denitrification in prairie and agriculturally influenced streams. Ecological Applications 12:998-1009.
71. KOCH, B. J. 2005. Invertebrate-mediated nitrogen cycling in three connected aquatic ecosystems. MS Thesis, University of Wyoming, Laramie, Wyoming.
72. KOPÁČEK, J., AND P. BLAŽ KA. 1994. Ammonium uptake in alpine streams in the High Tatra Mountains (Slovakia). Hydrobiologia 294:157-165.
73. LAURSEN, A. E., AND R. C. CARLTON. 1999. Responses to atrazine of respiration, nitrification, and denitrification in stream sediments measured with oxygen and nitrate microelectrodes. FEMS Microbiology Ecology 29:229-240.
74. LAURSEN, A. E., AND S. P. SEITZINGER. 2002. Measurement of denitrification in rivers: an integrated, whole reach approach. Hydrobiologia 486:67-81.
75. LELAND, H. V., AND J. L. CARTER. 1985. Effects of copper on production of periphyton, nitrogen fixation, and processing of leaf litter in a Sierra Nevada, California stream. Freshwater Biology 15:155-173.
76. LIVINGSTONE, D., A. PENTECOST, AND B. A. WHITTON. 1984. Diel variations in nitrogen and carbon dioxide fixation by the blue-green alga Rivularia in an upland stream. Phycologia 23:125-133.
77. MALTCHIK, L., S. MOLLA, C. CASADO, AND C. MONTES. 1994. Measurement of nutrient spiralling in a Mediterranean stream: comparison of two extreme hydrological periods. Archiv für Hydrobiologie 130:215-227.
78. MARCARELLI, A. M. 2006. Cyanobacterial nitrogen fixation in subalpine, oligotrophic watersheds: spatial and temporal variations. PhD Dissertation, Utah State University, Logan, Utah.
79. MARCARELLI, A. M., AND W. A. WURTSBAUGH. 2006. Temperature and nutrient supply interact to control nitrogen fixation in oligotrophic streams: an experimental examination. Limnology and Oceanography 51:2278-2289.
80. MARCARELLI, A. M., AND W. A. WURTSBAUGH. 2007. Effects of upstream lakes and nutrient limitation on periphyton biomass and nitrogen fixation in oligotrophic, subalpine streams. Freshwater Biology 52:2211-2225.
81. MARTÍ, E., AND F. SABATER. 1996. High variability in temporal and spatial nutrient retention in Mediterranean streams. Ecology 77:854-869.
82. 15N addition. Freshwater Biology 47:143-160.
83. MEYER, J. L., G. E. LIKENS, AND J. SLOANE. 1981. Phosphorus, nitrogen, and organic carbon flux in a headwater stream. Archiv für Hydrobiologie 91:28-44.
84. MEYER, J. L., M. J. PAUL, AND W. K. TAULBEE. 2005. Stream ecosystem function in urbanizing landscapes. Journal of the North American Benthological Society 24:602-612.
85. MINSHALL, G. W. 1978. Autotrophy in stream ecosystems. BioScience 28:767-771.
86. 2 fixation by unicellular diazotrophs in the oligotrophic Pacific Ocean. Nature 430:1027-1031.
87. MULHOLLAND, M. R., D. A. BRONK, AND D. G. CAPONE. 2004a. Dinitrogen fixation and release of ammonium and dissolved organic nitrogen by Trichodesmium IMS 101. Aquatic Microbial Ecology 37:85-94.
88. 15N tracer addition. Ecological Monographs 70:471-493.
89. MULHOLLAND, P. J., J. L. TANK, J. R. WEBSTER, W. B. BOWDEN, W. K. DODDS, S. V. GREGORY, N. B. GRIMM, S. K. HAMILTON, S. L. JOHNSON, E. MARTÍ, W. H. MCDOWELL, J. L. MERRIAM, J. L. MEYER, B. J. PETERSON, H. M. VALETT, AND W. M. WOLLHEIM. 2002. Can uptake length in streams be determined by nutrient addition experiments? Results from an interbiome comparison study. Journal of the North American Benthological Society 21:544-560.
90. 15N tracer addition approach. Limnology and Oceanography 49:809-820.
91. MUNN, N. L., AND J. L. MEYER. 1990. Habitat-specific solute retention in two small streams: an intersite comparison. Ecology 71:2069-2082.
92. NAIMAN, R. J., AND J. M. MELILLO. 1984. Nitrogen budget of a subarctic stream altered by beaver (Castor canadensis). Oecologia (Berlin) 62:150-155.
93. NEWBOLD, J. D., J. W. ELWOOD, R. V. O'NEILL, AND W. VAN WINKLE. 1981. Measuring nutrient spiraling in streams. Canadian Journal of Fisheries and Aquatic Sciences 38: 860-863.
94. NIELSEN, L. P., P. B. CHRISTENSEN, N. P. REVSBECH, AND J. SORENSEN. 1990. Denitrification and oxygen respiration in biofilms studied with a microsensor for nitrous oxide and oxygen. Microbial Ecology 19:63-72.
95. NIYOGI, D. K., K. S. SIMON, AND C. R. TOWNSEND. 2004. Land use and stream ecosystem functioning: nutrient uptake in streams that contrast in agricultural development. Archiv für Hydrobiologie 160:471-486.
96. O'BRIEN, J. M., AND K. W. J. WILLIARD. 2006. Potential denitrification rates in an agricultural stream in Southern Illinois. Journal of Freshwater Ecology 21:157-162.
97. PATTINSON, S. N., R. GARCIA-RUIZ, AND B. A. WHITTON. 1998. Spatial and seasonal variation in denitrification in the Swale-Ouse system, a river continuum. Science of the Total Environment 210/211:289-305.
98. PAYN, R. A., J. R. WEBSTER, P. J. MULHOLLAND, H. M. VALETT, AND W. K. DODDS. 2005. Estimation of stream nutrient uptake from nutrient addition experiments. Limnology and Oceanography: Methods 3:174-182.
99. PETERSON, B. J., L. DEEGAN, J. HELFRICH, J. E. HOBBIE, M. HULLAR, B. MOLLER, T. E. FORD, A. HERSHEY, A. HILTNER, G. KIPPHUT, M. A. LOCK, D. M. FIEBIG, V. MCKINLEY, M. C. MILLER, J. R. VESTAL, R. VENTULLO, AND G. VOLK. 1993. Biological responses of a tundra river to fertilization. Ecology 74: 653-672.
100. PETERSON, B. J., W. M. WOLLHEIM, P. J. MULHOLLAND, J. R. WEBSTER, J. L. MEYER, J. L. TANK, E. MARTÍ, W. B. BOWDEN, H. M. VALETT, A. E. HERSHEY, W. H. MCDOWELL, W. K. DODDS, S. K. HAMILTON, S. GREGORY, AND D. D. MORRALL. 2001. Control of nitrogen export from watersheds by headwater streams. Science 292:86-90.
101. PETERSON, C. G., AND N. B. GRIMM. 1992. Temporal variation in enrichment effects during periphyton succession in a nitrogen-limited desert stream ecosystem. Journal of the North American Benthological Society 11:20-36.
102. POWER, M. E., A. J. STEWART, AND W. J. MATTHEWS. 1988. Grazer control of algae in an Ozark mountain stream: effects of short-term exclusion. Ecology 69:1894-1898.
103. PRECHTL, J., C. KNEIP, P. LOCKHART, K. WENDEROTH, AND U.-G. MAIER. 2004. Intracellular spheroid bodies of Rhopalodia gibba have nitrogen-fixing apparatus of cyanobacterial origin. Molecular Biology and Evolution 21:1477-1481.
104. PRIBYL, A. L., J. H. MCCUTCHAN, W. M. LEWIS, JR, AND J. F. SAUNDERS. 2005. Whole-system estimates of denitrification in a plains river: a comparison of two methods. Biogeochemistry 73:439-455.
105. RABALAIS, N. N., R. E. TURNER, AND D. SCAVIA. 2002. Beyond science into policy: Gulf of Mexico hypoxia and the Mississippi River. BioScience 52:129-142.
106. REDDY, K. J., B. J. HASKELL, D. M. SHERMAN, AND L. A. SHERMAN. 1993. Unicellular, aerobic nitrogen-fixing cyanobacteria of the genus Cyanothece. Journal of Bacteriology 175: 1284-1292.
107. ROYER, T. V., J. L. TANK, AND M. B. DAVID. 2004. Transport and fate of nitrate in headwater agricultural streams in Illinois. Journal of Environmental Quality 33:1296-1304.
108. SCHALLER, J. L., T. V. ROYER, M. B. DAVID, AND J. L. TANK. 2004. Denitrification associated with plants and sediments in an agricultural stream. Journal of the North American Benthological Society 23:667-676.
109. SEITZINGER, S. P. 1988. Denitrification in fresh-water and coastal marine ecosystems - ecological and geochemical significance. Limnology and Oceanography 33:702-724.
110. SEITZINGER, S. P. 1994. Linkages between organic matter mineralization and denitrification in eight riparian wetlands. Biogeochemistry 25:19-39.
111. SEITZINGER, S. P., L. P. NIELSEN, J. CAFFREY, AND P. B. CHRISTENSEN. 1993. Denitrification measurements in aquatic sediments: a comparison of three methods. Biogeochemistry 23:147-167.
112. SHEIBLEY, R. W., J. H. DUFF, A. P. JACKMAN, AND F. J. TRISKA. 2003. Inorganic nitrogen transformations in the bed of the Shingobee River, Minnesota: integrating hydrologic and biological processes using sediment perfusion cores. Limnology and Oceanography 48:1129-1140.
113. SIMON, K. S., C. R. TOWNSEND, B. J. F. BIGGS, AND W. B. BOWDEN. 2005. Temporal variation of N and P uptake in 2 New Zealand streams. Journal of the North American Benthological Society 24:1-18.
114. STERNER, R. W. 1989. Resource competition during seasonal succession toward dominance by cyanobacteria. Ecology 70:229-245.
115. 2 fixation using the acetylene reduction technique. Proceedings of the National Academy of Sciences of the Unites States of America 58:2071-2078.
116. STODDARD, J. L. 1994. Long-term changes in watershed retention of nitrogen. Pages 223-284 in L. A. Baker (editor). Environmental chemistry of lakes and reservoirs. Advances in Chemistry Series. Volume 237. American Chemical Society, Washington, DC.
117. STREAM SOLUTE WORKSHOP. 1990. Concepts and methods for assessing solute dynamics in stream ecosystems. Journal of the North American Benthological Society 9:95-119.
118. 15N-tracer addition. Limnology and Oceanography 45:1013-1029.
119. THOMAS, S. A., H. M. VALETT, J. R. WEBSTER, AND P. J. MULHOLLAND. 2003. A regression approach to estimating reactive solute uptake in advective and transient storage zones of stream ecosystems. Advances in Water Resources 26:965-976.
120. TORRE, M., J. P. REBILLARD, H. AYPHASSORHO, L. LABROUE, AND C. HELMER. 1992. In situ assessment of denitrification in running waters: examples of the Charente river. Annals of Limnologie 28:263-271.
121. TRISKA, F. J., J. R. SEDELL, K. CROMACK, S. V. GREGORY, AND F. M. MCCORISON. 1984. Nitrogen budget for a small coniferous forest stream. Ecological Monographs 54:119-140.
122. VANNOTE, R. L., G. W. MINSHALL, K. W. CUMMINS, J. R. SEDELL, AND C. E. CUSHING. 1980. The river continuum concept. Canadian Journal of Fisheries and Aquatic Sciences 37: 130-137.
123. VITOUSEK, P. M., J. D. ABER, R. W. HOWARTH, G. E. LIKENS, P. A. MATSON, D. W. SCHINDLER, W. H. SCHLESSINGER, AND D. TILMAN. 1997. Human alteration of the global nitrogen cycle: sources and consequences. Ecological Applications 7:737-750.
124. WALLACE, J. B., J. R. WEBSTER, AND J. L. MEYER. 1995. Influence of log additions on physical and biotic characteristics of a mountain stream. Canadian Journal of Fisheries and Aquatic Sciences 52:2120-2137.
125. WALSBY, A. E. 1985. The permeability of heterocysts to the gases nitrogen and oxygen. Proceedings of the Royal Society of London Series B Biological Sciences 226: 345-366.
126. WEBSTER, J. R., P. J. MULHOLLAND, J. L. TANK, H. M. VALETT, W. K. DODDS, B. J. PETERSON, W. B. BOWDEN, C. N. DAHM, S. FINDLAY, S. V. GREGORY, N. B. GRIMM, S. K. HAMILTON, S. L. JOHNSON, E. MARTÍ, W. H. MCDOWELL, J. L. MEYER, D. D. MORRALL, S. A. THOMAS, AND W. M. WOLLHEIM. 2003. Factors affecting ammonium uptake in streams - an inter-biome perspective. Freshwater Biology 48:1329-1352.
127. WEHR, J. D., AND R. G. SHEATH. 2003. Freshwater algae of North America: ecology and classification. Academic Press, San Diego, California.
128. WHITTON, B. A., AND M. POTTS. 2000. The ecology of cyanobacteria: their diversity in time and space. Kluwer Academic Publishers, Dordrecht, Germany.
129. WOLLHEIM, W. M., B. J. PETERSON, L. A. DEEGAN, J. E. HOBBIE, B. HOOKER, W. B. BOWDEN, K. J. EDWARDSON, D. B. ARSCOTT, A. E. HERSHEY, AND J. FINLAY. 2001. Influence of stream size on ammonium and suspended particulate nitrogen processing. Limnology and Oceanography 46:1-13.
130. th-order mountain stream. II: Nitrogen cycling. Journal of the North American Benthological Society 15:20-34.
131. WURTSBAUGH, W. A., M. A. BAKER, H. P. GROSS, AND P. D. BROWN. 2005. Lakes as nutrient "sources" for watersheds: a landscape analysis of the temporal flux of nitrogen through sub-alpine lakes and streams. Verhandlungen der Internationalen Vereinigung für theoretische und angewandte Limnologie 29:413-419.
132. YAN, W., A. E. LAURSEN, F. WANG, P. SUN, AND S. P. SEITZINGER. 2004. Measurement of denitrification in the Chiangjiang River. Environmental Chemistry 1:95-98.
133. th edition. Prentice Hall, Upper Saddle River, New Jersey.
134. 2 in the subtropical North Pacific Ocean. Nature 412:635-638.