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Community Toxicity Testing. Special Technical Publication 920. 1986.
Developing a sampling strategy. Rationale for Sampling and Interpretation of Ecological Data in the Assessment of Freshwater Ecosystems. Special Technical Publication 894:168-186.. 1986.
A simple, cost-effective multispecies toxicity test using organisms with a cosmopolitan distribution. Environmental Monitoring and Assessment. 6:207-220.. 1986.
Multispecies toxicity testing using indigenous organisms - a new, cost-effective approach to ecosystem protection. 1985 TAPPI Environmental Conference. :149-159.. 1985.
A provisional multispecies toxicity test using indigenous organisms. Journal of Testing and Evaluation. 13(4):316-319.. 1985.
Are single species toxicity tests alone adequate for estimating environmental hazard? Environmental Monitoring and Assessment. 4(3):259-273.. 1984.
Freshwater biological monitoring: keynote address. Freshwater Biological Monitoring. :1-14.. 1984.
Multispecies toxicity testing. Bulletin of the Ecological Society of America. 65(3):301-304.. 1984.
The case for simultaneous toxicity testing at different levels of biological organization. Aquatic Toxicology and Hazard Assessment: Sixth Symposium. Special Technical Publication 802:17pp... 1983.
Early colonization patterns of diatoms and protozoans in fourteen freshwater lakes. Journal of Protozoology. 30:47-51.. 1983.
Regulating hazardous chemicals in aquatic environments. Environmental Affairs Law Review. 11(1):1-10.. 1983.
The relationship of freshwater protozoan communities to the MacArthur-Wilson equilibrium model. Diversity Hutchinson. :272-287.. 1983.
Interactive and noninteractive protozoan colonization processes. Artificial Substrates. :23-70.. 1982.
Artificial Substrates. Ann Arbor Science Publishers. Ann Arbor, Mich. 279 pp.. 1982.
Freshwater protozoan communities. Microbial Interactions and Communities. :249-285.. 1982.
Predictive and reactive systems for aquatic ecosystem quality control. Scientific Basis of Water-Resource Management, Geophysics Study Commission, National Resource Council. :72-84.. 1982.
Restoration of damaged ecosystems. Research on Fish and Wildlife Habitat. EPA-600/8-82-022:220-239.. 1982.
Biological monitoring. Part I. Early warning systems. Water Research. 14:1179-1196.. 1980.
Coping with point source discharges. Fisheries. 5(6):5-8.. 1980.
The effects of a sublethal dose of copper sulfate on the colonization rate of freshwater protozoan communities. The American Midlands Naturalist. 104:93-101.. 1980.
Ecological considerations in reclaiming surface mined lands. Minerals and the Environment. 1(3):83-89.. 1979.
Protozoan colonization of artificial substrates. Methods and Measurements of Periphyton Communities: A Review. Special Technical Publication 690:34-57.. 1979.
A strategy for use of protozoans in the evaluation of hazardous substances. Biological Indicators of Water Quality. :61-67.. 1979.
Estimating the Hazard of Chemical Substances to Aquatic Life. Spec. Tech. Publ. 657:278.. 1978.
The modification of inland waters. Wildlife and America. :146-162.. 1978.
Zooperiphyton (especially protozoa) as indicators of water quality. Transactions of the American Microscopical Society. 97:44-49.. 1978.
Factors affecting the number of species in freshwater protozoan communities. Aquatic Microbial Communities. :257-304.. 1977.
Aquatic organisms response to severe stress following acutely sublethal toxicant exposure. Water Resource Bulletin. 12:1233-1243.. 1976.
Colonization of artificial substrates by protozoa: replicated samples. Archiv fur Protistenkunde. 118:259-267.. 1976.
The effects of substrate quality upon colonization by freshwater protozoans. Revista de Biologia. 10(1-4):13-20.. 1976.
The influence of natural perturbation on protozoan communities inhabiting artificial substrates. Transactions of the American Microscopical Society. 95:646-653.. 1976.
Invertebrate response to thermal shock following exposure to acutely sublethal concentrations of chemicals. Archiv fur Hydrobiologie. 77:164-175.. 1976.
Qualitative differences in protozoan colonization of artificial substrates. Hydrobiologia. 51:233-237.. 1976.
Critical species, including man, within the biosphere. Naturwissenschaften. 62(5):193-199.. 1975.
The effects of lapsed time since feeding upon the toxicity of zinc to fish. Bulletin of Environmental Contamination and Toxicology. 13(3):269-274.. 1975.
Response of protozoan communities exposed to chlorine stress. Archiv fur Protistenkunde. 117:47-53.. 1975.
Bioassays. Environmental Engineers Handbook. 1:258-270.. 1974.
Distribution of protozoa in a small stream. The American Midlands Naturalist. 92:406-414.. 1974.
The effects of prior exposure to sublethal concentrations of toxicants upon the tolerance of snails to thermal shock. Archiv fur Hydrobiologie. 77:441-447.. 1974.
An interim report on the effects of prior exposure to sublethal concentrations of toxicants upon the tolerance of snails to thermal shock. Archiv fur Hydrobiologie. 74(4):441-447.. 1974.
Protozoan colonization rates on artificial substrates suspended at different depths. Transactions of the American Microscopical Society. 93:206-210.. 1974.
Protozoans (Protozoa). Pollution Ecology of Freshwater Invertebrates. :1-28.. 1974.
Le maintien de l'equilibre dans les communatis protozoaires d'eau douce. Progress in Protozoology, Proceedings of the 4th International Congress of Protozoology. :74pp... 1973.
Rapid biological monitoring system for determining aquatic community structure in receiving systems. Biological Methods for the Assessment of Water Quality. Special Technical Publication 528:148-163of256pp... 1973.
A tentative proposal for a rapid in-plant biological monitoring system. Biological Methods for the Assessment of Water Quality. Special Technical Publication 528:127-147of256pp... 1973.
Biological Methods for the Assessment of Water Quality. The Symposium on Biological Methods for the Assessment of Water Quality. Special Technical Publication 528:256.. 1973.
The effect of an influx of new species on the diversity of protozoan communities. Revista de Biologia. 9:187-206.. 1973.
The protozoan colonization of polyurethane foam units anchored in the benthic area of Douglas Lake, Michigan. Transactions of the American Microscopical Society. 92:648-656.. 1973.
The relationship between number of protozoan species and duration of habitat immersion. Revista de Biologia. 9:35-42.. 1973.
Pollution controlled changes in algal and protozoan communities. Water Pollution Microbiology. :245-272.. 1972.
Pollution related structural and functional changes in aquatic communities with emphasis on freshwater algae and protozoa. Proceedings of the Academy of Natural Sciences of Philadelphia. 124(5):79-127.. 1972.
A test of the cosmopolitan distribution of freshwater protozoans. Hydrobiologia. 39:405-427.. 1972.
Factors affecting the number of species in freshwater protozoan communities. Structure and Function of Freshwater Microbial Communities. :219-247.. 1971.
The consequences of nonselective periodic removal of portions of fresh-water protozoan communities. Transactions of the American Microscopical Society. 90:71-80.. 1971.
The effects of heated waste waters upon microbial communities. Water Resources Research in Virginia. 46:121-126.. 1971.
Response of protozoans to detergent-enzymes. Hydrobiologia. 38:193-205.. 1971.
Artificial microhabitat size and the number of colonizing protozoan species. Transactions of the American Microscopical Society. 89:100-109.. 1970.
An observation on the protozoan communities in the bottom sediments of Lake Huron. Revista de Biologia. 7:151-153.. 1970.
Reduction and restoration of the number of fresh-water protozoan species following acute exposure to copper and zinc. Transactions of the Kansas Academy of Science. 73:1-10.. 1970.
Rate of species diversity restoration following stress in freshwater protozoan communities. The University of Kansas Science Bulletin. 48(6):209-224.. 1969.
The relationship of fresh-water protozoan communities to the MacArthur-Wilson equilibrium model. The American Naturalist. 103:439-454.. 1969.
The response of fresh-water protozoan communities to heated waste waters. Chesapeake Science. 10(3/4):177-185.. 1969.
The distribution of fresh-water protozoa on a relatively homogeneous substrate. Hydrobiologia. 31:65-72.. 1968.
Probable existence of synergistic interactions among different species of protozoans. Revista de Biologia. 6(1-2):103-108.. 1967.
A checklist of the fresh-water protozoa of the Douglas Lake region, Michigan. Notulae Naturae of the Academy of Natural Sciences of Philadelphia. 383:1-10.. 1966.