References
- Brock, E. M., 1960: Mutualism between the midge Cricotopus and the alga Nostoc. — Ecology 41: 474–483.
- Gregory, S. V., 1980: Effects of light, nutrients, and grazing on periphyton communities in streams. — Ph. D. dissertation, Oregon State Univ., 151 pp.
- Grimm, N., 1977: Factors regulating Nostoc abundance in Oregon mountain streams. — Senior Honors thesis, Hampshire College, Amherst, Massachusetts.
- Loeb, S. L. & Reuter, J. E., 1981: The epilithic periphyton community: a five-lake comparative study of community productivity, nitrogen metabolism, and depth-distribution of standing crop. — Verh. Internat. Verein. Limnol. 21: 346–352.
- Newton, M., El Hassan, B. A. & Zavitokovski, J., 1968: Role of red alder in western Oregon forest succession. — In: Proc. Symp. on Biology of Alder. 73–84. J. M. Trappe, J. F. Franklin, R. F. Tarrant & G. M. Hansen (eds.). Pacific Northwest Forest and Range Experiment Station, Portland, Oregon.
- Russell-Hunter, W. D., 1970: Productivity: an introduction to some basic aspects of biological oceanography and limnology. — Macmillan Co., London, 306 pp.
- Sedell, J. R. & Triska, F., 1975: Biological consequences of large organic debris in northwest streams. — In: Logging debris in streams: 21 pp. Oregon State Univ., School of Forestry.
- Stewart, W. D. P., 1973: Nitrogen Fixation. — In: N. G. Carr & B. A. Whitton (eds.), The Biology of Blue-green Algae: 676 pp. Univ. of California Press, Berkeley/Los Angeles.
- Stewart, W. D. P. & Alexander, G., 1971: Phosphorus availability and nitrogen activity in aquatic blue-green algae. — Freshwat. Biol. 1: 389–404.
- Stewart, W. D. P., Fitzgerald, G. P. & Burris, R. H., 1970: Acetylene reduction assay for determination of phosphorus availability in Wisconsin lakes. — Proc. Nat. Acad. Sci. 66: 1104–1111.
- Tarrant, R. F., 1968: Some effects of alder on the forest environment. — In: Proc. Symp. on Biology of Alder, p. 193, J. M. Trappe, J. F. Franklin, R. F. Tarrant & G. M. Hansen (eds.). Pacific Northwest Forest and Range Experiment Station, Portland, Oregon.
- Thut, R. N. & Haydu, E. P., 1971: Effects of forest chemicals on aquatic life. — In: Proc. Symp. on Forest Land uses and stream environment: 159–171. Oregon State Univ.
- Ward, A. K. & Wetzel, R. G., 1980: Interactions of light and nitrogen source among planktonic blue-green algae. — Arch. Hydrobiol. 90: 1–25.
- Wirth, W. W., 1957: The species of Cricotopus midges living in the blue-green alga Nostoc in California (Diptera: Tendipedidae). — The Pan-Pacific Entomol. 33: 121–126.