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R. Stevenson J, Lowe RL.  1986.  Sampling and interpretation of algal patterns for water quality assessments. Rationale for Sampling and Interpretation of Ecological Data in the Assessment of Freshwater Ecosystems. Special Technical Publication 894:118-149.
Gates FC.  1926.  Sand flotation in nature. Science. 64:595-596.
, Project Uof Michiga.  1978.  Sanitary systems of Crystal Lake Benzie County Michigan: an on-site survey. :68.
Eberhardt LSusan.  1994.  Sap-feeding and its consequences for reproductive success and communication in Yellow-bellied Sapsuckers (Sphyrapicus varius). Doctor of Philosophy:110pp..
Southwick EE.  1980.  Sapsucker trees as a factor in the distribution of hummingbirds in a northern climate. Proceedings of the Rochester Academy of Science. 13:96.
R. Stevenson J.  1997.  Scale-dependent determinants and consequences of benthic algal heterogeneity. Journal of the North American Benthological Society. 16(1):248-262.
Reich PB, Tjoelker MG, Pregitzer KS, Wright IJ, Oleksyn J, Machado J-L.  2008.  Scaling of respiration to nitrogen in leaves, stems and roots of higher land plants. Ecology Letters. 11(8):793-801.
Harrigan KM, Moore PA.  2017.  Scaling to the Organism: An Innovative Model of Dynamic Exposure Hotspots in Stream Systems. Archives of Environmental Contamination and Toxicology. (2922)
La Rue GRoger.  1935.  Schistosome dermatitis. Michigan Public Health. 23:87-90.
Cort WWalter.  1939.  Schistosome dermatitis, a public health problem in the United States. Volumen Jubilare Pro Professor Sadao Yoshida. 2:101-107.
Olivier L.  1949.  Schistosome dermatitis, a sensitization phenomenon. American Journal of Hygiene. 49(3):290-302.
Swales W.E.  1936.  Schistosome dermatitis in Canada. Notes on two causative agents and their snail hosts in Manitoba. The Canadian Journal of Research. 14:6-10.
Herber E.C.  1938.  Schistosome dermatitis in dogs. Journal of Parasitology. 24:474-475.
Cort WWalter.  1928.  Schistosome dermatitis in the United States (Michigan). Journal of the American Medical Association. 90(9):1027-1029.
Stoner D.  1920.  Sciocoris microphthalmus Flor. in northern Michigan (Heterop.). Entomological News. 31(5):141.
Gleason HAllan.  1918.  Scirpus validus for demonstrating procambium.
Stoner D.  1922.  The Scutelleroidea of the Douglas Lake region. University of Iowa Studies in Natural History. 10(1):45-65.
Lyon JGrimson, McCarthy JFrancis.  1982.  Seasat imagery for detection of coastal wetlands. Proceeding of the Fifteenth International Symposium on Remote Sensing of Environment. :1475-1485.
Lyon JGrimson, McCarthy JFrancis.  1982.  Seasat imagery for detection of coastal wetlands. :1475-1485.
Zuk M.  1987.  Seasonal and individual variation in gregarine parasite levels in the field crickets Gryllus veletis and G. pennsylvanicus. Ecological Entomology. 12:341-348.
Hendricks SPatricia, White DS.  1995.  Seasonal biogeochemical patterns in surface water, subsurface hyporheic, and riparian ground water in a temperate stream ecosystem. Archiv fur Hydrobiologie. 134(4):459-490.
Lussenhop J, Fogel RD.  1999.  Seasonal change in phosphorus content of Pinus strobus--Cenococcum geophilum ectomycorrhizae. Mycologia. 91(5):742-746.
Donnelly JRobert.  1974.  Seasonal changes in photosynthate transport within elongating shoots of Populus grandidentata. Canadian Journal of Botany. 52:2547-2559.
Donnelly JRobert.  1970.  Seasonal changes in the pattern of photosynthate transport within elongating shoots of Populus grandidentata. Doctor of Philosophy:65pp..
Gannon JEdward, Foster WL.  1975.  Seasonal changes of temperature and oxygen in Emmet and Cheboygan County Lakes. :6pp..
F. Lyman E.  1955.  Seasonal distribution and life cycles of Ephemeroptera. Annals of the Entomological Society of America. 48:380-391.
Hofmeister KL, Nave LE, Drevnick P, Veverica T, Knudstrup R, Heckman KA, Riha SJ, Schneider RL, M. Walter T.  2019.  Seasonal dynamics and exports of elements from a first‐order stream to a large inland lake in Michigan. Hydrological Processes.
Minton SThomas.  1991.  Seasonal fish assemblage continuity on artificial reefs in a north temperate lake. School of Natural Resources and Environment. Master of Science:26pp..
Cort WWalter, Hussey KL, Ameel DJ.  1960.  Seasonal fluctuations in larval trematode infections in Stagnicola emarginata angulata from Phragmites Flats on Douglas Lake. Proceedings of the Helminthological Society of Washington. 27:11-13.
Clampitt PT.  1972.  Seasonal migrations and other movements in Douglas Lake pulmonate snails. Malacological Review. 5:11-12.
Clampitt PT.  1974.  Seasonal migratory cycle and related movements of the fresh-water pulmonate snail, Physa integra. The American Midlands Naturalist. 92:275-300.
Cowan DP, Waldbauer GP.  1984.  Seasonal occurrence and mating at flowers by Ancistrocerus antilope (Hymenoptera: Eumenidae). Proceedings of the Entomological Society of Washington. 86:930-934.
Jurik TW.  1986.  Seasonal patterns of leaf photosynthetic capacity in successional northern hardwood tree species. American Journal of Botany. 73:131-138.
Curtis PS, Teeri JA.  1992.  Seasonal responses of leaf gas exchange to elevated carbon dioxide in Populus grandidentata. Canadian Journal of Forest Research. 22:1320-1325.
Jarvis AJ, Stauch VJ, Schulz K, Young PC.  2004.  The seasonal temperature dependency of photosynthesis and respiration in two deciduous forests. Global Change Biology. 10:939-950.
Hubbs CL.  1923.  Seasonal variation in the number of vertebrae of fishes. Papers of the Michigan Academy of Science, Arts and Letters. 2:207-214.
Karl T., Guenther A., Spirig C., Hansel A, Fall R..  2003.  Seasonal variation of biogenic VOC emissions above a mixed hardwood forest in northern Michigan. Geophysical Research Letters. 30(23)
Pippin MR, Bertman SB, Thornberry TDean, Town MS, Carroll MAnne, Sillman S.  2001.  Seasonal variations of PAN, PPN, and O3 at the upper Midwest PROPHET site. Journal of Geophysical Research. 106(D20):24,451-24,463.
Lloyd JE, Pace A.E.  1975.  Seasonality in northen field crickets. Florida Entomologist. 58:31-32.
T. Porter W.  1951.  A second nest of the Goshawk near Douglas Lake Cheboygan County, Michigan. Jack Pine Warbler. 29:89-90.
Hungerford HB.  1924.  A second new Mesovelia from Douglas Lake, Michigan region (Hemiptera; Mesoveliidae). Annals of the Entomological Society of America. 17:453-456.
Homola RLouis.  1972.  Section Celluloderma of the genus Pluteus in North America. Mycologia. 64:1211-1247.
Jr. JFrank Ammi.  1972.  The section Dermocybe of Cortinarius in North America. Doctor of Philosophy:282pp..
White DS.  1986.  Sediments and benthos. Principals and Practices of Pond Aquaculture. :15-20.
Scheiner SM.  1988.  The seed bank and above-ground vegetation in an upland pine-hardwood succession. Michigan Botanist. 27:99-106.
Pauley SS, Whitmore FW, Spurr SH.  1955.  Seed source trials of eastern white pine. Forest Science. 1(3):244-256.
Sefcik LTaylor, Zak DR, Ellsworth DS.  2006.  Seedling survival in a northern temperate forest understory is increased by elevated atmospheric carbon dioxide and atmospheric nitrogen deposition. Global Change Biology. 13:132-146.
Delcourt P.A.  1973.  Seiche activity: significant in late summer lake primary production? Bulletin of the Association of Southeastern Biologists. 20:29.
Romeril A.B.  1961.  Selection of genetically superior clones of bigtooth aspen in northern lower Michigan. School of Natural Resources. Master of Forestry:57pp..
Xu M, Cerreta AL, Schultz TD, Fincke OM.  2014.  Selective use of multiple cues by males reflects a decision rule for sex discrimination in a sexually mimetic damselfly. Animal Behaviour. 92:9-18.
W. Frohne C.  1939.  Semiaquatic Hymenoptera in north Michigan lakes. Transactions of the American Microscopical Society. 58:228-240.
.  1959.  Semicentennial Celebration: Proceedings of The University of Michigan Biological Station, June 16-19, 1959. :130pp..
Helmig D, Ortega J, Duhl T, Tanner D, Guenther A, Harley P, Wiedinmyer C, Milford J, Sakulyanontvittaya T.  2007.  Sesquiterpene Emissions from Pine Trees − Identifications, Emission Rates and Flux Estimates for the Contiguous United States. Environmental Science & Technology. 41(5):1545-1553.
Duhl T.R, Helmig D., Guenther A..  2008.  Sesquiterpene emissions from vegetation: a review. Biogeosciences. 5(3):761-777.
Vitt DH.  1968.  Sex determination in mosses. Michigan Botanist. 7:195-203.
Cort WWalter.  1921.  Sex in the trematode family Schistosomidae. Science. 53:226-228.
Sakai AK.  1990.  Sex ratios of red maple (Acer rubrum) populations in northern lower Michigan. Ecology. 71:571-580.
Claerr KA.  2001.  Sex-biased herbivory in Salix cordata Michaux and Salix exigua Nutt.: patterns and mechanisms. Master of Science:62pp..
Wang X, Griffin KL.  2003.  Sex-specific physiological and growth responses to elevated atmospheric CO2 in Silene latifolia Poiret. Global Change Biology. 9(4):612-618.
Koch WJ.  1960.  A sexual aquatic phycomycete parasitic in Hyalotheca. Journal of the Elisha Mitchell Scientific Society. 76:186.
Cowan DP.  1986.  Sexual behavior of Eumenid wasps (Hymenoptera: Eumenidae). Proceedings of the Entomological Society of Washington. 88(3):531-541.
Lanigan PJ, Barrows EM.  1977.  Sexual behavior of Murgantia histrionica (Hemiptera: Pentatomidae). Psyche. 84:191-197.
Force ER, Schmeichel NL.  1933.  Sexual differentiation in the tail length of the lined snake, Tropidoclonion lineatum (Hallowell). The Biologist. 14:70-72.
Loveland HF.  1956.  Sexual dimorphism in the moss genus Dicranum Hedw. Doctor of Philosophy:107pp..
Burt CE.  1928.  Sexual dimorphism in the tail length of the common garter snake, Thamnophis sirtalis sirtalis (Linne). Copeia. (166):13-14.
Sakai AK.  1990.  Sexual reproduction of red maple (Acer rubrum) in northern lower Michigan. The American Midlands Naturalist. 123:309-318.
Zuk M.  1986.  Sexual selection, mate choice and gregarine parasite levels in the field crickets Gryllus veletis and G. pennsylvanicus. Doctor of Philosophy:149pp..
Cheng SJ.  2016.  Shedding Light on Photosynthesis: The Impacts of Atmospheric Conditions and Plant Canopy Structure on Ecosystem Carbon Uptake. Ecology and Evolutionary Biology. :145.
R. Hunter D.  1990.  Shell dissolution rate in freshwater pulmonate snails: influence of periostracum and water chemistry. The Nautilus. 104(3):87-91.
Fero KC, Moore PA.  2014.  Shelter availability influences social behavior and habitat choice in crayfish, Orconectes virilis. Behavior. 151:103-123.
Fahey RT, Alveshere BC, Burton JI, D'Amato AW, Dickinson YL, Keeton WS, Kern CC, Larson AJ, Palik BJ, Puettmann KJ et al..  2018.  Shifting conceptions of complexity in forest management and silviculture. Forest Ecology and Management.
Lowe RL, Pillsbury RW.  1995.  Shifts in benthic algal community structure and function following the appearance of Zebra Mussels (Dreissena polymorpha) in Saginaw Bay, Lake Huron. Journal of Great Lakes Research. 21(4):558-566.
Lotan JE, Zahner R.  1963.  Shoot and needle responses of 20-year-old red pine to current soil moisture regimes. Forest Science. 9:497-506.
.  1975.  Shoreline Development Factor (SDF). :3pp..
De Byle NValentine.  1965.  Short-tailed shrew attacks garter snake. Journal of Mammalogy. 46:329.
Keller TAllen, Ruman LC.  1998.  Short-term crayfish effects on stream algae and invertebrates. Journal of Freshwater Ecology. 13(1):97-104.
Jurik TW, Weber JA, Gates DM.  1984.  Short-term effects of CO2 on gas exchange of leaves of bigtooth aspen (Populus grandidentata) in the field. Plant Physiology. 75:1022-1026.
Welshofer KB, Zarnetske PL, Lany NK, Read QD.  2018.  Short-term responses to warming vary between native vs. exotic species and with latitude in an early successional plant community. Oecologia. 187(1):333-342.
Walp RLee.  1935.  Shrubs of Cheboygan and Emmet Counties, Michigan. The American Midlands Naturalist. 16:230-247.
Blumer LSteven.  1985.  The significance of biparental care in the brown bullhead, Ictalurus nebulosus. Environmental Biology of Fishes. 12(3):231-236.
Heinen JThomas.  1994.  The significance of color change in newly metamorphosed American toads (Bufo a. americanus). Journal of Herpetology. 28(1):87-93.
Jin L., Williams E., Szramek K., Walter L., Hamilton S..  2008.  Silicate and carbonate mineral weathering in soil profiles developed on Pleistocene glacial drift (Michigan, USA): Mass balances based on soil water geochemistry. Geochimica et Cosmochimica Acta. 72(4):1027-1042.
Garrett PWayne.  1962.  Silvicultural techniques for increasing acreage occupied by better aspen clones. School of Natural Resources. Master of Forestry:71pp..
Barnes BVerne.  1996.  Silviculture, landscape ecosystems, and the iron law of the site. Forstarchiv. 67:226-235.
Smith EP, Stewart PM, Jr. JCairns.  1985.  Similarities between rarefraction methods. Hydrobiologia. 120:167-170.
Jr. JCairns, McCormick PV, Niederlehner B.R, Pratt JR.  1986.  A simple, cost-effective multispecies toxicity test using organisms with a cosmopolitan distribution. Environmental Monitoring and Assessment. 6:207-220.
Garrity SR, Vierling LA, Bickford K.  2010.  A simple filtered photodiode instrument for continuous measurement of narrowband NDVI and PRI over vegetated canopies. Agricultural and Forest Meteorology. 150(3):489-496.
Blumer LSteven.  1984.  Simple, inexpensive method of tagging ictalurid fishes for individual identification. The Progressive Fish-Culturist. 46(2):152-154.
Ayers JC, Bachmann RWerner.  1957.  Simplified computations for the dynamic height method of current determination in lakes. Limnology and Oceanography. 2:155-157.
Edwards IP, Zak DR, Kellner H, Eisenlord SD, Pregitzer KS.  2011.  Simulated Atmospheric N Deposition Alters Fungal Community Composition and Suppresses Ligninolytic Gene Expression in a Northern Hardwood Forest. PLoS ONE. 6(6):1-10.
Eisenlord SD, Zak DR.  2010.  Simulated Atmospheric Nitrogen Deposition Alters Actinobacterial Community Composition in Forest Soils. Soil Science Society of America Journal. 74(4):1157.
Zak DR, Holmes WE, Burton AJames, Pregitzer KS, Talhelm AF.  2008.  Simulated atmospheric NO3- deposition increases soil organic matter by slowing decomposition. Ecological Applications. 18(8):2016-2027.
Pregitzer KS, Burton AJames, Zak DR, Talhelm AF.  2008.  Simulated chronic nitrogen deposition increases carbon storage in Northern Temperate forests. Global Change Biology. 14:142-153.
Burton AJames, Pregitzer KS, Crawford JN, Zogg GP, Zak DR.  2004.  Simulated chronic NO3- deposition reduces soil respiration in northern hardwood forests. Global Change Biology. 10:1080-1091.
Patterson SL, Zak DR, Burton AJames, Talhelm AF, Pregitzer KS.  2011.  Simulated N deposition negatively impacts sugar maple regeneration in a northern hardwood ecosystem. Journal of Applied Ecology. 49:155-163.
van Diepen LTA, Lilleskov EA, Pregitzer KS.  2011.  Simulated nitrogen deposition affects community structure of arbuscular mycorrhizal fungi in northern hardwood forests. Molecular Ecology. 20(4):799-811.
van Diepen LTA, Lilleskov EA, Pregitzer KS, R. Miller M.  2010.  Simulated Nitrogen Deposition Causes a Decline of Intra- and Extraradical Abundance of Arbuscular Mycorrhizal Fungi and Changes in Microbial Community Structure in Northern Hardwood Forests. Ecosystems. 13:683-695.
de Vries T.  2006.  Sinnes- und Verhaltnesokologie der parasitoiden Fliege Emblemasoma auditrix (Diptera: Sarcophagidae). Doctor of Philosophy
Doherty R.G.  1993.  Site characteristics and demography of Asplenium scolopendrium var. americana at two sites in Michigan. School of Natural Resources and Environment. Master of Science:48pp..
Scheiner SM.  1987.  Size and fecundity hierarchies in an herbaceous perennial. Oecologia. 74:128-132.