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Comparative anatomy and radulae of the Gyraulus subgenus Torquis in North America (Gastropoda: Planorbidae). Journal of Medical and Applied Malacology. 2:59-77.. 1990.
Comparative escape behavior of adult green frogs (Rana clamitans) and northern leopard frogs (R. pipiens). Bulletin of the Maryland Herpetological Society. 26(3):81-99.. 1990.
Comparative grazing efficiency of pulmonate and prosobranch snails. Journal of the North American Benthological Society. 9(1):35-44.. 1990.
Comparison of cation leaching in five northern hardwood stands along an air pollution gradient using a throughfall modelling approach. IUFRO World Congress Proceedings. :295-306.. 1990.
Contributions to the life history of Proterometra dickermani (Digenea: Azygiidae). Journal of Parasitology. 76:447-450.. 1990.
Clonal growth of male and female bigtooth aspen (Populus grandidentata). Ecology. 69:2031-2033.. 1988.
Control of swimmer's itch in Michigan: past, present and future. The Michigan Riparian. :10,19.. 1988.
A checklist and classification of the land snails of the University of Michigan Biological Station area. Walkerana. 2(8):293-300.. 1987.
Colonization of artificial substrates by micrometazoa. Archiv fur Hydrobiologie. 110:519-531.. 1987.
A comparative approach to the ecology of the Piping Plover. School of Natural Resources and Environment. Master of Science:48pp... 1987.
Composition of snowmelt and runoff in northern Michigan. Environmental Science and Technology. 21:295-299.. 1987.
Consequences of self-fertilization and the maintenance of gynodioecy in the bladder campion (Silene vulgaris). Association of Southeastern Biologists Bulletin. 34:125(Abstr.. 1987.
The contribution of dry deposition to snowpack acidity in Michigan. Seasonal Snowcovers: Physics, Chemistry, Hydrology. :299-320of746.. 1987.
Cellulose digestion in Monochamus marmorator Kby. (Coleoptera: Cerambycidae): role of acquired fungal enzymes. Journal of Chemical Ecology. 12(5):1057-1070.. 1986.
Community Toxicity Testing. Special Technical Publication 920. 1986.
Comparative reproductive ecology of the Johnny Darter (Etheostoma nigrum). Doctor of Philosophy:268pp... 1986.
Comparative success of seeds from hermaphrodite and female plants of the bladder campion, Silene vulgaris (Caryophyllaceae). American Journal of Botany. 73:669.. 1986.
Comparison of estimates of hazard derived at three levels of complexity. Community Toxicity Testing. Special Technical Publication 920:30-48.. 1986.
A comparison of rates of aboveground growth and carbon dioxide assimilation by aspen on sites of high and low quality. Tree Physiology. 2:29-34.. 1986.
Confidence intervals for the similarity between algal communities. Hydrobiologia. 139:237-245.. 1986.
Changes in the upland forests of the Douglas Lake region over the past 75 years. The University of Michigan Biological Station 1909 - 1983. :59-67.. 1985.
A comparison of four methods for determining leaf area index in successional hardwood forests. Canadian Journal of Forest Research. 15:1154-1158.. 1985.
Cryptic behavior in juvenile toads. Journal of Herpetology. 19:524-527.. 1985.
Comparative spermatogenesis in the Jungermanniales (Hepaticae) I. Observations on the structure of the young spermatids of Cephalozia lunulifolia and Chiloscyphus pallescens. Journal of Bryology. 13(2):247-256.. 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.
Changes in tree composition in a northern Michigan hardwood forest since 1934. Michigan Botanist. 22:103-109.. 1983.
A comparative study of the two varieties of Mimulus glabratus (Scrophulariceae) in Michigan. Department of Biology. Master of Science:58pp... 1983.
Cypripedium flowers entrap adult Thymelicus (Lepidoptera: Hesperiidae) in northern Michigan. Journal of the Lepidopterists' Society. 37(4):265–268.. 1983.
Chemical and physical characteristics of shallow ground waters in northern Michigan bogs, swamps, and fens. American Journal of Botany. 69:1231-1239.. 1982.
A comparison of epiphytes on Bangia atropurpurea (Rhodophyta) and Cladophora glomerata (Chlorophyta) from northern Michigan. Journal of Great Lakes Research. 8:164-168.. 1982.
Comparison of five ageing methodologies applied to walleye (Stizostedion vitreum) in Burt Lake, Michigan. Journal of Great Lakes Research. 8:666-671.. 1982.
Consideration of the taxonomic position of the diatom Entomoneis ornata (J. W. Bail). Reim. Micron. 13:57-58.. 1982.
Creating and maintaining cultures of Chironomus tentans (Diptera: Chironomidae). Entomological News. 93:54-58.. 1982.
Caspian Tern colonies in the Great Lakes: responses to an unpredictable environment. Doctor of Philosophy:106pp... 1981.
Comparative studies of the zoobenthos of a natural and man-made rocky habitat on the eastern shore of Lake Michigan. :65pp... 1981.
A comparison of vascular vegetation and protozoan communities in some freshwater wetlands of northern lower Michigan. Hydrobiologia. 83:353-375.. 1981.
Crayfish productivity, allochthony, and basin morphometry. Canadian Journal of Fisheries and Aquatic Sciences. 38:175-183.. 1981.
Characterization of benthic diatom communities in Grand Traverse Bay, Lake Michigan. Doctor of Philosophy:411pp... 1980.
Coping with point source discharges. Fisheries. 5(6):5-8.. 1980.
Cation release from Michigan spodosols leached with aspen leaf extracts. Soil Science Society of America Journal. 44:593-596.. 1979.
The clubmosses Lycopodium sitchense and L. sabinifolium in the upper Great Lakes region. Michigan Botanist. 18:3-13.. 1979.
The comparative ecology and frequencies of interspecific hybridization of Michigan woodferns. Michigan Botanist. 18:47-56.. 1979.
A comparative study of bird populations on a wooded expressway median. Jack Pine Warbler. 57:184-189.. 1979.
Conidial ultrastructure and taxonomic affinity of a fungal parasite of Sphagnum. Michigan Botanist. 18:15-18.. 1979.
Carbon dioxide and climate. Uniterra. 2:4-5.. 1978.
Cation release from Michigan spodosols leached with aspen leaf extracts. School of Natural Resources and Environment. Master of Science:62pp... 1978.
Composition and distribution of crustacean plankton in twelve inland water bodies of Thailand. Kasetsart University Fisheries Research Bulletin. (10):14pp... 1978.
Consolidating taxonomic information into a working library. Transactions of the American Microscopical Society. 97:417-418.. 1978.
Chromosome studies of some mosses of the Douglas Lake region. IV. Michigan Botanist. 16:51-55.. 1977.
Colony selection and colony site tenacity in Ring-billed Gulls at a stable colony. The Auk. 94:469-478.. 1977.
Changes in the phytosociology of boreal-conifer-hardwood forests on Mackinac Island, Michigan, 1934 to 1974. The American Midlands Naturalist. 96:317-323.. 1976.
The chemical composition of atmospheric precipitation from selected stations in Michigan. Water, Air, and Soil Pollution. 6:385-393.. 1976.
The clutch size and numbers of eggs of brown-headed cowbirds: effects of latitude and breeding season. The Condor. 78:337-342.. 1976.
Colonization of artificial substrates by protozoa: replicated samples. Archiv fur Protistenkunde. 118:259-267.. 1976.
A comparison between numbers and kinds of freshwater protozoans colonizing autoclaved and unautoclaved polyurethane substrates. Applied and Environmental Microbiology. 31:750-753.. 1976.
Cowbird parasitism of the Cedar Waxwing and its evolutionary implications. The Auk. 93:498-509.. 1976.
Crustacean zooplankton of the Straits of Mackinac and northern Lake Michigan. Biological, Chemical and Physical Relationships in the Straits of Mackinac. EPA-600/3-76-095:133-190.. 1976.
Comments on Sphagnum capillaceum. Contributions from the University of Michigan Herbarium. 11:89-93.. 1975.
Comparative ultrastructure of the valves of some Cyclotella species (Bacillariophyceae). Journal of Phycology. 11:415-424.. 1975.
Critical species, including man, within the biosphere. Naturwissenschaften. 62(5):193-199.. 1975.
A case of age-related territory usurpation in the American Redstart. Jack Pine Warbler. 51:91-92.. 1974.
The crustacean zooplankton of Green Bay, Lake Michigan. 17th Conference on Great Lakes Research. :28-51.. 1974.
Celestial orientation in recently metamorphosed Bufo americanus. Herpetologica. 29:59-62.. 1973.
Chromosome studies of some mosses of the Douglas Lake region. III. Michigan Botanist. 12:107-117.. 1973.
A comparison of fresh-water protozoan communities in geographically proximate but chemically dissimilar bodies of water. Archiv fur Protistenkunde. 115:154-161.. 1973.
A contribution to the ecology and distribution of aquatic acari in the St. Lawrence Great Lakes. Transactions of the American Microscopical Society. 92:217-224.. 1973.
The corticolous pyrenolichens of the Great Lakes region. Michigan Botanist. 12:3-68.. 1973.
Chemical communication in fireflies. Environmental Entomology. 1:265-266.. 1972.
Chromosome studies of some mosses of the Douglas Lake region. II. Michigan Botanist. 11:125-128.. 1972.
Communicative behavior in the cedar waxwing (Bombycilla cedrorum) and the Bohemian waxwing (Bombycilla garrulus). Doctor of Philosophy:154pp... 1972.
Cape May Warbler nesting in Michigan. Jack Pine Warbler. 49:125-126.. 1971.
A collection of bryophytes from Summer Island, Delta County, Michigan. Michigan Botanist. 10:3-13.. 1971.
Colonization of polyurethane substrates by fresh-water protozoans. Journal of the Elisha Mitchell Scientific Society. 87:71-72.. 1971.
The consequences of nonselective periodic removal of portions of fresh-water protozoan communities. Transactions of the American Microscopical Society. 90:71-80.. 1971.
Charles H. Swift's botanical work in Michigan. Michigan Botanist. 9:38-40.. 1970.
Chromosome studies of some mosses of the Douglas Lake region. Michigan Botanist. 9:67-71.. 1970.
Comparative ecology of the snails Physa gyrina and Physa integra (Basommatophora: Physidae). Malacologia. 10:113-151.. 1970.
Craspedacusta sowerbyi: northern extension of range in Michigan. Transactions of the American Microscopical Society. 89:325-327.. 1970.
Cuticular terminology in Russula (Agaricales). Brittonia. 22:230-239.. 1970.
Cary-Port Huron Interstade: evidence from a buried bryophyte bed, Cheboygan County, Michigan. Geological Society of America Special Paper 123. INQUA Volume:249-262.. 1969.
Cloacaridae, a new family of Cheyletoid mites from the cloaca of aquatic turtles (Acari: Acariformes: Eleutherengona). Journal of Medical Entomology. 4(3):261-272.. 1967.
Colony selection, longevity, and Ring-billed Gull populations: preliminary discussion. Bird-Banding. 38:52-60.. 1967.
Carnivora of the plant world. 14(3):4-5.. 1966.
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.
The chromosome cycle in the land snail Catinella vermeta (Stylommatophora, Succineidae). Malacologia. 3:309-325.. 1966.
The clonal growth habit of American aspens. Ecology. 47:439-447.. 1966.
A case of a weasel climbing trees. Journal of Mammalogy. 46:344-345.. 1965.
On citing the names of publishing authors. Taxon. 14:154-160.. 1965.
The clonal structure of selected aspen stands in northern lower Michigan. School of Natural Resources and Environment. Master of Science:56pp... 1965.
Clutch size and numbers of eggs laid by Brown-headed Cowbirds. The Condor. 67:44-60.. 1965.
Comparative morphology of four species of allcreadiid miracidia (Trematoda). Journal of Parasitology. 51(4):583-586.. 1965.
Comparative revegetation of denuded areas in northern Michigan. Papers of the Michigan Academy of Science, Arts and Letters. 50:139-160.. 1965.
A condition in blood cells of Natrix with reference to Cytamoeba and Toddia. II. Mechanical transmission. Journal of the Elisha Mitchell Scientific Society. 81. 1965.
The clonal concept in aspen site relations. Proceedings of the Second North American Forest Soils Conference.. 1964.
Clonal variation in suckering of aspen obscures effect of various clearcutting treatments. Journal of Forestry. 62:749-750.. 1964.
The complete botanist. Science. 146:745-748.. 1964.
A condition in blood cells of Natrix with reference to Cytamoeba and Toddia. I. Description. Journal of the Elisha Mitchell Scientific Society. 80(2). 1964.