Research Publications of the Field Station

      1. Grittinger, T. 1970. String bog in southern Wisconsin. Ecology 51: 928-930.
      2. Grittinger, T. 1971. Vegetational patterns and ordination in Cedarburg Bog, Wisconsin. Trans. Wis. Acad. Science, Arts & Let. 59: 79-106.
      3. Carlson, D. 1971. A method for sampling larval and emerging insects using an aquatic black light trap. Canad. Ent. 103: 10.
      4. Ficken, R., P. Matthiae and R. Horwich. 1971. Eye marks in vertebrates: aids to vision. Science173: 936-939.
      5. Ficken, M. and R. Ficken. 1973. The effect of number, kind and order of song elements on playback responses of the Golden-winged Warbler. Behaviour 46: 114-128.
      6. Weise, C. M. 1971. Relative abundance of some small landbirds in southeastern Wisconsin.Pass. Pigeon 33: 173-188.
      7. Carlson, D. 1972. Comparative value of black light and cool white lamps in attracting insects to aquatic traps. Jour. Kansas Ent. Soc. 45: 194-199.
      8. Weise, C. M. 1973. Seasonality in birds. In: Seasonality and Phenology Modelling. H. Leith, ed. Springer-Verlag.
      9. Ficken, M. and R. Ficken. 1974. Is the Golden-winged Warbler a social mimic of the Black-capped Chickadee? Wilson Bull. 86: 468-471.
      10. Ficken, R., M. Ficken and J. Hailman. 1974. Temporal pattern shifts to avoid acoustic interference in singing birds. Science 183: 762-763.
      11. Holleback, M. 1974. Behavioral interactions and the dispersal of the family in Black-capped Chickadees. Wilson Bull. 86: 466-468.
      12. Baxter, J. 1971. Life cycle studies of two North American grass rusts. Mycologia 63: 889-890.
      13. Ficken, M. and S. Witkin. 1977. Responses of Black-capped Chickadee flocks to predators.Auk 94: 156-157.
      14. Ficken, R., M. Ficken and J. Hailman. 1978. Differential aggression in genetically different White-throated Sparrows. Zeitschrift f. Tierpsychologie 46: 43-57.
      15. Ficken, M. 1977. Avian play. Auk 94: 573-582.
      16. Ficken, M., R. Ficken and S. Witkin. 1978. The vocal repertoire of the Black-capped Chickadee. Auk 95: 34-48.
      17. Ingold, J. 1976. A hybrid Common Flicker wintering in southeastern Wisconsin. Pass. Pigeon38: 88.
      18. Witkin, S. F. 1977. The importance of directional sound radiation in an avian vocalization.Condor 79: 490-493.
      19. Bridgman, H. 1976. The influence of urban pollution on the spectrum of direct visible radiation.Twenty-third International Geographical Congress, Moscow. 139-144.
      20. Keefer, J. W. 1977. A census of marsh birds using transect counts at the Cedarburg Bog. Pass. Pigeon 39: 207-212.
      21. Keefer, J. 1976. Observation of mobbing behavior in Tree Swallows. Pass. Pigeon 38: 90-91.
      22. Miller, L. and C. M. Weise. 1978. Effects of altered photoperiod on migratory orientation in White-throated Sparrows, (Zonotrichia albicollis). Condor 80: 94-96.
      23. Weise, C. M. and J. R. Meyer. 1979. Juvenile dispersal and development of site-fidelity in the Black-capped Chickadee. Auk 96: 40-55.
      24. Ficken, M., R. Ficken and J. Hailman. 1978. A model of repetitive behavior illustrated by Chickadee calling. Anim. Behav. 26: 2.
      25. Ficken, M. 1981. Food finding in Black-capped Chickadees: altruistic communication? Wilson Bull. 93: 393-394.
      26. Ficken, M., S. Witkin and C. M. Weise. 1981. Associations among members of a Black-capped Chickadee flock. Behav. Ecol. and Soc. 8: 245-249.
      27. Steingraber, D. A., L. J. Kascht and D. H. Franck. 1979. Variation of shoot morphology and bifurcation ratio in sugar maple (Acer saccharum) saplings. Amer. Jour. Bot. 66: 441-445.
      28. Ingold, J. L. 1977. Behavior of adult and juvenile White-breasted Nuthatches at the time of fledging. Pass. Pigeon 39: 299-300.
      29. Witkin, S. R. and M. Ficken. 1979. Chickadee alarm calls: Does mate investment pay dividend? Anim. Behav. 27: 1275-1276.
      30. Bridgman, H. 1978. Direct visible spectra and aerosol optical depths at rural locations during the summer of 1975 at Milwaukee. Solar Energy 21: 139-148.
      31. Bridgman, H. 1978. Aerosol size distributions and extinction coefficients in the lowest 100 meters of an urban atmosphere. Proc. Internat. Clean Air Conf., Brisbane, pp. 763-775.
      32. Bridgman, H. 1978. The trials and tribulations of turbidity. Soc. Newcastle Univ. Geog. Students Jour. 4: 61-63.
      33. Gorham, E. and D. Tilton. 1978. The mineral content of Sphagnum fuscum as affected by human settlement. Canad. Jour. Bot. 56: 2755-2759.
      34. Bridgman, H. 1979. Measured and theoretical particle size distribution over industrial and rural locations at Milwaukee; April 1976. Atmos. Environ. 13: 629-638.
      35. Bridgman, H. 1979. Aerosol extinction at 500 nm in urban and rural air at Milwaukee in April 1976. Jour. Appl. Meteorol. 18: 105-116.
      36. Bridgman, H. 1980. Diurnal variations in the spectrum of direct beam visible radiation at urban and rural locations at Milwaukee. Archiv. Meteorol. Biophys. Bioklimat., Serv. B 28: 101-113.
      37. Apel, K. and M. Ficken. 1981. Predator alarm calls of young Black-capped Chickadees. Auk98: 3.
      38. Coggins, J. R., J. L. Tedesco and C. E. Rupprecht. 1981. Intestinal helminths of the bat, Myotis keeni (Merriam), from southeastern Wisconsin. Proceedings of the Helminthological Society of Washington 48: 93-96.
      39. Ficken, M. 1981. What is the song of the Black-capped Chickadee? Condor 83: 384-386.
      40. Hoehne, L. 1981. Groundlayer vegetation of wooded islands in the urban-suburban matrix. In:Spatio-temporal pattern of forest ecosystems in man dominated landscapes. R. Burgess and D. Sharpe, eds. Academic Press.
      41. Kean, W. F. and T. E. Klebold. 1981. Paleomagnetism of sediment cores from Cedarburg Bog, Wisconsin and a comparison with cores from Lake Michigan. Jour. of Great Lakes Research 7: 276-285.
      42. Levenson, J. 1981. Forest island vegetation in southeastern Wisconsin. In: Spatio-temporal pattern of forest ecosystems in man dominated landscapes. R. Burgess and D. Sharpe, eds. Academic Press.
      43. Levenson, J. 1981. The southern-mesic forest of southeastern Wisconsin: species composition and community structure. Contributions in Biology and Geology, No. 41. Milwaukee Public Museum.
      44. Danos, S. C., J. S. Maki and C. C. Remsen. 1983. Stratification of microorganisms and nutrients in the surface microlayer of small freshwater ponds. Hydrobiol. 98: 193-202.
      45. Reinartz, J. A. 1984. Life history variation of common mullein (Verbascum thaspsus L.) I. Latitudinal differences in population dynamics and timing of reproduction. Jour. of Ecol. 72: 897-912.
      46. Reinartz, J. A. 1984. Life history variation of common mullein (Verbascum thapsus L.) II. Plant size, biomass partitioning and morphology. Jour. of Ecol. 72: 913-926.
      47. Reinartz, J. A. 1984. Life history variation of common mullein (Verbascum thapsus L.) III. Differences among sequential cohorts. Jour. of Ecol. 72: 927-936.
      48. Matthiae, P. and F. Stearns. 1981. Mammals in forest islands of southeastern Wisconsin. In:Spatio-temporal pattern of forest ecosystems in man dominated landscapes. R. Burgess and D. Sharpe, eds. Academic Press.
      49. Raney, J. and M. Bruner. 1981. Role of edge in forest island dynamics. In: Spatio-temporal pattern of forest ecosystems in man dominated landscapes. R. Burgess and D. Sharpe, eds. Academic Press.
      50. Sharpe, D. M., F. W. Stearns, R. L. Burgess and W. C. Johnson. 1981. Spatio-temporal patterns of forest ecosystems in man dominated landscapes. Proc. Int. Congr. Neth. Society of Landscape Ecology, Veldhoven, Neth. Pp. 109-116.
      51. Borkin, S. S. 1982. Notes on shifting distribution patterns and survival of immature Danaus plexippus (Lepidoptera: Danaidae) on the food plant Asclepias syriaca. Great Lakes Entomologist 15: 199-206.
      52. Censky, E. and M. Ficken. 1982. Responses of Black-capped Chickadees to mirrors. Wilson Bull. 94: 590-594.
      53. Coggins, J. R., J. L. Tedesco and C. E. Rupprecht. 1982. Seasonal changes and overwintering of a parasite in the bat, Myotis lucifugus (LeConte) in a Wisconsin hibernaculum. Amer. Midland Nat. 107: 305-315.
      54. Maki, J. S. and C. C. Remsen. 1983. A membrane absorption – SEM technique for observing neuston organisms. Microb. Ecol. 9: 177-183.
      55. Estep, K. W. and C. C. Remsen. 1983. A new species of Fragilaria from the midwestern United States. Nova Hedwigia 37: 217-221.
      56. Ficken, R. and M. Ficken. 1982. Interspecific plumage similarity: the Mockingbird and the Loggerhead Shrike. Wilson Bull. 94: 223.
      57. Brooks, D. R. and J. R. Coggins. 1983. Limatulum mcdanieli n. sp. (Digenea: Lecithodendriidae) from Myotis lucifugus (Mammalia: Chiroptera). Wisconsin Trans. Am. Microsc. Soc. 102: 81-83.
      58. Ingold, J.L. 1981. Defense of breeding territories in the white-breasted nuthatch. Passenger Pigeon 43: 41-42.
      59. Ficken, M., R. Ficken and K. Apel. 1985. Dialects in a call associated with pair interactions in the Black-capped Chickadee. Auk 102: 145-151.
      60. Ficken, M. and C. M. Weise. 1984. A complex call of the Black-capped Chickadee (Parus atricapillus). I. Microgeographic variation. Auk 101: 349-360.
      61. Estep, K. W. and C. C. Remsen. 1984. The relationship of individual algal species to the surface microlayer of a small freshwater pond. Jour. of Plankton Research 6: 123-135.
      62. Estep, K. W., J. S. Maki, S. C. Danos and C. C. Remsen. 1984. The retrieval of material from the surface microlayer with different sampling devices and its implications for partitioning of material within the microlayer. Jour. of Freshwater Biol. 15: 15-19.
      63. Maki, J. S., S. C. Danos and C. C. Remsen. 1984. Quantitative changes in fungal colony-forming units in the surface microlayers of two freshwater ponds. Canad. Jour. Microbiol. 30: 578-586.
      64. Estep, K. W. and C. C. Remsen. 1985. Influence of the surface microlayer on nutrients, chlorophyll and algal diversity of a small eutrophic bog pond. Hydrobiologia 121: 203-213.
      65. Hailman, J. P., M. S. Ficken and R. W. Ficken. 1985. The “Chick-a-dee” calls of Parus atricapillus: a recombinant system of animal communication compared with written English.Semiotica 56: 191-224.
      66. Reinartz, J. A. 1984. Verbascum densiflorum in southeast Wisconsin. Rhodora 86: 95-99.
      67. Popp, J. W., R. W. Ficken and J. A. Reinartz. 1985. Short-term temporal avoidance of interspecific acoustic interference among forest birds. Auk 102: 744-748.
      68. Ficken, R. W., J. W. Popp and P. E. Matthiae. 1985. Avoidance of acoustic interference by Ovenbirds. Wilson Bull. 97: 596-571.
      69. Johnson, W. C. and C. S. Adkisson. 1985. Dispersal of beech nuts by Blue Jays in fragmented landscapes. Amer. Midland Nat. 113: 319-324.
      70. Bruederle, L. P. and F. W. Stearns. 1985. Ice storm damage to a southern Wisconsin mesic forest. Bull. Torrey Bot. Club 112: 167-175.
      71. Reinartz, J. A. and N. J. Cutright. 1985. The purple peril. Wis. Nat. Resources 9: II-III.
      72. Reinartz, J. A. and M. A. Kuchenreuther. 1985. The status of purple loosestrife (Lythrum salicaria) in Wisconsin – 1984. Bull. Bot. Club Wis. 17: 30-40.
      73. Weise, C. M. and J. Ingold. 1985. Observations on feather coloration in a presumed Common Flicker integrade. Jour. Field Ornith. 56: 403-405.
      74. Stephenson, A. H. and J. Minnich. 1974. Water turnover in free-living Song Sparrows in southeastern Wisconsin. Amer. Zool. 14: 1257.
      75. Mitchell-Olds, T. 1986. Quantitative genetics of survival and growth in Impatiens capensis.Evolution 40: 107-116.
      76. Apel, K. M. and C. M. Weise. 1986. The hiss display of nestling Black capped Chickadees in captivity. Wilson Bull. 98: 320-321.
      77. Popp, J. W. and R. Ficken. 1987. Effect of non specific singing on the song of the Ovenbird.Bird Behavior 7: 22-26.
      78. Popp, J. W. 1987. Agonistic communication among wintering Purple Finches. Wilson Bull. 99: 97-100.
      79. Hailman, J. P. and M. S. Ficken. 1986. Combinatorial animal communication with computable syntax: “Chick a dee” calling qualifies as ‘language’ by structural linguistics. Anim. Behav. 34: 1899-1901.
      80. Hailman, J. P., M. S. Ficken and R. W. Ficken. 1987. Constraints on the structure of combinatorial “Chick a dee” calls. Ethology 75: 62-80.
      81. Platt, M. E. and M. S. Ficken. 1987. Organization of singing in House Wrens. Journal of Field Ornithol. 58: 190-197.
      82. Reinartz, J. A., J. W. Popp and M. A. Kuchenreuther. 1986. Purple loosestrife control: Minimum Glyphosate dose sought. Restoration and Management Notes. 4: 84.
      83. Popp, J. W. 1987. Resource value and dominance among American goldfinches. Bird Behav.7: 73-77.
      84. Popp, J. W. 1987. Choice of opponents during competition for food among American goldfinches. Ethology 75: 31-36.
      85. Popp, J. W. 1987. Allofeeding in American goldfinches, (Carduelis tristis). Wilson Bull. 99: 293-294.
      86. Ficken, M. S., C. M. Weise and J. A. Reinartz. 1987. A complex vocalization of the Black capped Chickadee (Parus atricapillus). II. Repertoires, dominance and dialects. Condor 89: 500-509.
      87. Reinartz, J. A. and J. W. Popp. 1987. The structure of clones of northern prickly ash (Xanthoxylum americanum). Amer. Jour. Bot. 74: 415-428.
      88. Johnson, C. and C. Adkisson. 1986. Airlifting the oaks. Nat. Hist. 95: 41-46.
      89. Ficken, M. S. 1987. The Chickadee’s early warning system. Birder’s World 1: 12-15.
      90. Bowles, M. L. 1983. The tallgrass prairie orchids Platanthera leucophaea (Nutt.) Lindl. and Cypripediam candidum Muhl. ex Willd.; and implications toward management. Nat. Areas Jour. 3: 14-37.
      91. Sheviak, C. J. and M. L. Bowles. 1986. The prairie fringed orchids: a pollinator isolated species pair. Rhodora 88: 267-290.
      92. Christy, J. A., M. J. Dibben, F. D. Bowers and R. E. Andrus. 1986. Ten mosses new to Wisconsin. Evansia 3: 12-13.
      93. Held, M. E. 1983. Pattern of beech regeneration in the east central United States. Bull. Torrey Bot. Club 110: 55 62.
      94. Popp, J. W. 1986. Changes in scanning and feeding rates with group size among American goldfinches. Bird Behav. 6: 97-98.
      95. Popp, J. W. 1987. Risk and effectiveness in the use of agonistic displays by American goldfinches. Behaviour 103: 141-156.
      96. Kean, W. F. 1981. Paleomagnetism at the late Ordovician Neda Iron Ore from Wisconsin, Iowa and Illinois. Geophysical Research Letters 8: 880-882.
      97. Ficken, M. and R. Ficken. 1987. Bill sweeping behavior of a Mexican Chickadee. Condor 89: 901-902.
      98. Knight, S. E. and D. M. Waller. 1987. Genetic consequences of outcrossing in the cleistogamous annual, Impatiens capensis. Evolution 41: 969-978.
      99. Rogers, C. M. 1987. Predation risk and fasting capacity: Do winter birds maintain optimal body mass? Ecology 68: 1051-1061.
      100. Popp, J. W. 1988. Effects of experience on aggression among American goldfinches.Behavioural Processes 16: 11-19.
      101. Popp, J. W. 1988. Scanning behavior of finches in mixed species groups. Condor 90: 510-512.
      102. Popp, J. W. 1988. Effects of food handling times on scanning rates of American Goldfinches.Auk 105: 384-385.
      103. Carpenter, T. W. 1987. Effects of environmental variables on responses of Eastern Screech owls to playback. In: Biol. and Conserv. of Northern Forest Owls. Nero, R. W., et al., eds. U.S. For. Serv. Genl. Tech. Rep. RM-142.
      104. Popp, J. W. 1989. Use of agonistic displays by Purple Finches during interspecific encounters.Bird Behav. 8: 48-50.
      105. Popp, J. W. 1988. Selection of horse dung pats by foraging house sparrows. Jour. Field Ornithol. 59: 168-177.
      106. Mulica, W. S. and N. P. Lasca. 1975. A controlled ground water recharge system in an area of urban expansion. Proceedings Second World Congress, Int. Water Resources Assoc., New Delhi, Dec. 1975. Vol. III: 175-194.
      107. Popp, J. W. and J. A. Reinartz. 1988. Sexual dimorphism in biomass allocation and clonal growth of Xanthoxylum americanum. Amer. Jour. Bot. 75: 1732-1741.
      108. Jass, J. P. 1986. Supplemental distribution records for Wisconsin terrestrial gastropods. Trans. Wis. Acad. Sci., Arts and Let. 74: 105-107.
      109. Popp, J. W. 1989. Temporal aspects of singing interactions among territorial Ovenbirds.Ethology 82: 127-133.
      110. Popp, J. W. 1989. Patterns of association among Peromyscus leucopus using artificial nest boxes during the fall. Zeit. fur Sang. 54: 123-124.
      111. Ingold, J. 1988. Release calls of mist-netted birds. J. Field Ornithol. 59: 227-234.
      112. Ficken, M. S. 1989. Are mobbing call of Steller’s Jay a “Confusion Chorus”? J. Field Ornithol.60: 52-55.
      113. Popp, J. W. and L. Bunkfeldt-Popp. 1986. Interspecific aggression among female ungulates.Aggressive Behav. 12: 197-200.
      114. Maki, J. S. and C. C. Remsen. 1989. Examination of a freshwater surface microlayer for dialle changes in the bacterioneuston. Hydrobiol 182: 25-34.
      115. Johnson, W. C. 1988. Estimating dispersibility of Acer, Fraxinus and Tilia in fragmented landscapes from patterns of seedling establishment. Landscape Ecology 1: 175-187.
      116. Popp, J. W. 1989. Methods of measuring avoidance of acoustic interference. Anim. Behav. 38: 358-360.
      117. Popp J. W. 1989. Food Storage in artificial nest-boxes by Peromyscus leucopus. Canad. Field Nat. 103: 410-411.
      118. Popp, J. W., M. S. Ficken and C. M. Weise. 1990. How are agonistic encounters among Black-capped Chickadees resolved? Anim. Behav. 39: 980-986.
      119. Popp, J. W., P. E. Matthiae, C. M. Weise and J. A. Reinartz. 1989. Fluctuations of a Peromyscus leucopus population over a twenty-two year period. Trans. Wis. Acad. Sci. Arts & Let. 77: 97-100.
      120. Young, D. 1990. Distribution of Pelecinus polyturator in Wisconsin (Hymenoptera: Pelecinidae), with speculations regarding geographical parthenogenesis. Great Lakes Entomologist 23: 1-4.
      121. Ficken, M. S. 1990. Vocal repertoire of the Mexican Chickadee I. calls. J. Field Ornithol. 61: 380-387.
      122. Ficken, M. S. 1990. Vocal repertoire of the Mexican Chickadee II. song and song-like vocalizations. J. Field Ornithol. 61: 388-395.
      123. Ficken, M. S. 1990. Acoustic characteristics of alarm calls associated with predation risk in chickadees. Anim. Behav. 39: 400-401.
      124. Ficken, M. S., C. M. Weise and J. W. Popp. 1990. Dominance rank and resource access in winter flocks of Black-capped Chickadees. Wilson Bull. 102: 623-633.
      125. Parker, A. D. 1990. Noteworthy species of Hypocrea, Hypomyces, and Thuemenella (Ascomycetes, Hypocreales) from Wisconsin. Mycotaxon XXXVIII: 77-82.
      126. Piaskowski, V. D., C. M. Weise and M. S. Ficken. 1991. The body ruffling display of the Black-capped Chickadee. Wilson Bull. 103: 426-434.
      127. Ficken, M. S. 1989. Boreal chickadees eat ash high in calcium. Wilson Bull. 101: 350-351.
      128. Gill, F. B. and M. S. Ficken. 1989. Comparative biology and evolution of Titmice: The Centennial Symposium of the Wilson Ornithological Society. Wilson Bull. 101: 180-181.
      129. Les, D. H., J. A. Reinartz and E. J. Esselman. 1991. Genetic consequences of rarity in Aster furcatus (Asteraceae), a threatened, self-incompatible plant. Evolution 45: 1641-1650.
      130. De Steven, D., J. Kline and P. E. Matthiae. 1991. Long-term changes in a Wisconsin Fagus-Acer forest in relation to glaze storm disturbance. Journal of Vegetation Science 2:201-208.
      131. Hobbs, H. H., III, and J. P. Jass. 1988. The Crayfishes and Shrimp of Wisconsin (Cambaridae, Palaemonidae). Mil. Publ. Mus. Spec. Publ. Biol. and Geol. No. 5. 177 pp.
      132. Desportes, J. P., N. B. Metcalfe, J. W. Popp, R. M. Meyer, A. Gallo and F. Cezilly. 1990. The predictability and patterns of vigilant behavior. Behavioral Processes 22: 41-46.
      133. Wimpee, C. F., R. L. Wrobel and D. K. Garvin. 1991. A divergent plastid genome in Conopholis americana, an achlorophyllous parasitic plant. Plant Mol. Biol. 17: 161-166.
      134. Wimpee, C. F., R. Morgan and R. L. Wrobel. 1992. An aberrant plastid ribosomal RNA gene cluster in the root parasite from Conopholis americana. Plant Mol. Biol. 18: 275-285.
      135. Les, D. H., D. K. Garvin and C. F. Wimpee. 1991. Molecular evolutionary history of ancient aquatic angiosperms. Proc. Nat. Acad. Sci. USA 88: 10119-10123.
      136. Wimpee, C. F., R. Morgan and R. L. Wrobel. 1992. Loss of transfer RNA genes from the plastid 16S-23S ribosomal RNA gene spacer in a parasitic plant. Current Genetics 21: 417-422.
      137. Les, D. H. 1991. Genetic diversity in the moneocious hydrophile Ceratophyllum(Ceratophyllaceae). Amer. J. Bot. 78: 1070-1082.
      138. Popp, J. and M. Ficken. 1991. Comparative analysis of acoustic structure of passerine and woodpecker nestling calls. Bioacoustics 3: 255-274.
      139. Ficken, M. and J. Nocedal. 1992. Mexican Chickadee. In: The Birds of North America, No. 8. A. Poole, Editor-in-Chief. The Academy of Natural Sciences, Philadelphia PA and The American Ornithologists’ Union, Washington, D.C.
      140. Johnson, W. C. and T. Webb III. 1989. The role of blue jays (Cyanocitta cristata L.) in the postglacial dispersal of fagaceous trees in eastern North America. J. Biogeogr. 16: 561-571.
      141. Reich, P. B. and M. B. Walters. 1992. Leaf life-span in relation to leaf, plant, and stand characteristics among diverse ecosystems. Ecological Monographs 62: 365-392.
      142. Ficken, M. and J. Popp. 1992. Syntactical organization of the gargle vocalization of the black-capped chickadee, Parus atricapillus. Ethology 91: 156-168.
      143. Les, D. H., J. A. Reinartz and L. A. Leitner. 1992. Distribution and habitats of the forked Aster (Aster furcatus: Asteraceae), a threatened Wisconsin plant. Michigan Botanist 31: 143-152.
      144. Reinartz, J. A. and E. L. Warne. 1993. Development of vegetation in small created wetlands in southeastern Wisconsin. Wetlands 13: 153-164.
      145. Ficken, M. S., E. D. Hailman and J. P. Hailman. 1994. The chick-a-dee call system of the Mexican Chickadee. Condor 96: 70-82.
      146. Gerber, T. D. and D. H. Les. 1994. Comparison of leaf morphology among submersed species of Myriophyllum (Haloragaceae) from different habitats and geographical distributions.American Journal of Botany 81: 973-979.
      147. Reinartz, J. A. and D. H. Les. 1994. Bottleneck-induced dissolution of self-incompatibility and breeding system consequences in Aster furcatus (Asteraceae). American Journal of Botany81: 446-455.
      148. Karron, J. D., N. N. Thumser, R. Tucker and A. J. Hessenauer. 1995. The influence of population density on outcrossing rates in Mimulus ringens. Heredity 75: 175-180.
      149. Pytte, C. and M .S. Ficken. 1994. Aerial display sounds of the black-chinned hummingbird.Condor 96: 1088-1091.
      150. Reinartz, J. A. 1995. Planting state-listed endangered and threatened plants. Conservation Biology 9: 771-781.
      151. Reinartz, J. A. 1994. Review: Conservation Biology: The Theory and Practice of Nature Conservation, Preservation and Management. Plant Science Bulletin 40: 55-56.
      152. Karron, J. D. 1998. Genetic consequences of different patterns of distribution and abundance. In: The Biology of Rarity. W. E. Kunin and K. J. Gaston, eds. Chapman & Hall, London. Pp. 174-189.
      153. Karron, J. D., R. Tucker, N. Thumser and J. A. Reinartz. 1995. Comparison of pollinator flight movements and gene dispersal patterns in Mimulus ringens. Heredity 75: 612-617.
      154. Gerber, T. D., T. J. Ehlinger and D. H. Les. 1994. An image analysis technique to determine the surface area and volume for dissected leaves of aquatic macrophytes. Aquatic Botany 48: 175-182.
      155. Gerber, T. D. and D. H. Les. 1996. Habitat difference among seven species of Myriophyllum(Haloragaceae) in Wisconsin and Michigan. Michigan Botanist 35: 75-86.
      156. Thumser, N., J. D. Karron and M. S. Ficken. 1996. Inter-specific variation in the calls ofSpheniscus Penguins. Wilson Bulletin 108: 72-79.
      157. Ficken, M. S. and J. W. Popp. 1995. Long-term persistence of a culturally transmitted vocalization of the black-capped chickadee. Animal Behaviour 50: 683-693.
      158. Hailman, J. and M. Ficken. 1996. Comparative analysis of vocal repertoires, with reference to Chickadees. In: Ecology and Evolution of Acoustic Communication in Birds. D. Kroodsma and E. Miller, eds. Cornell Univ. Press. Pp. 136-159.
      159. Ficken, M. S. and J. Popp. 1996. A comparative analysis of passerine mobbing calls. Auk. 113: 370-380.
      160. Ficken, M. S., M. McLaren and J. P. Hailman. 1996. Boreal Chickadee (Parus hudsonicus). In:The Birds of North America, No. 254. A. Poole and F. Gills, eds. The Academy of Natural Sciences, Philadelphia, PA, and The American Ornithologists’ Union, Washington, D.C.
      161. Reinartz, J. A. 1997. Restoring populations of rare plants. In: The Tallgrass Restoration Handbook for prairies, savannas and woodlands. S. Packard and C. F. Mutel, eds. Island Press, Washington, D. C. USA. Pp. 89-95.
      162. Yoder, H. R. and J. R. Coggins. 1996. Helminth communities in the Northern Spring Peeper,Pseudacris c. crucifer Wied, and the Wood Frog, Rana sylvatica Le Conte, from Southeastern Wisconsin. J. Helminthol. Soc. Wash. 63: 211-214.
      163. Reinartz, J. A. 1997. Controlling glossy buckthorn (Rhamnus frangula) with winter treatments of herbicide on cut stumps. Natural Areas Journal 17: 38-41.
      164. Jass, J. 1982. Regression estimate of population size for the Crab Spider Philodromus cespitum (Araneae, Philodromidae). The Journal of Arachnology 10: 15-18.
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      301. Stout, W.E., and R.N. Rosenfield. 2010. Colonization, growth, and density of a pioneer Cooper’s Hawk population in a large metropolitan environment. Journal of Raptor Research44: 255–267
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      308. Mooi, R. D., J. P. Wiens and G. S. Casper. 2011. Extreme color variation within populations of the common gartersnake, Thamnophis sirtalis, in central North America, with implications for subspecies status. Copeia 2011(2): 187-200.
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      316. Placyk Jr., J. S., B. M. Fitzpatrick, G. S. Casper, R. L. Small, R. G. Reynolds, D. W. A. Noble, R. J. Brooks and G. M. Burghardt. 2012. Hybridization between two gartersnake species (Thamnophis) of conservation concern: a threat or an important natural interaction?Conservation Genetics 13: 649-663.
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      319. Beans, C.M., F.F. Kilkenny, and L.F.Galloway. 2012. Climate suitability and human influences combined explain the range expansion of an invasive horticultural plant. Biological Invasions14: 2067-2078.
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      325. Fowler-Finn, K.D. and R.L. Rodriguez. 2013. Repeatability of mate preference functions inEnchenopa treehoppers (Hemiptera: Membracidae). Animal Behaviour 85:493-499.
      326. Höbel, G. and R.C. Kolodziej. 2013. Wood frogs (Lithobates sylvaticus) use water surface waves in their reproductive behaviour. Behaviour 150: 471–483.
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      329. Rodríguez, R.L., A.C. Hallett, J.T Kilmer, and K.D. Fowler-Finn. 2013. Curves as traits: genetic and environmental variation in mate preference functions. Journal of Evolutionary Biology 26: 434-442.
      330. Monroe, E.M., C. Lynch, D.A. Soluk, and H.B. Britten.  2010. Nonlethal tissue sampling techniques and microsatellite markers used for first report of genetic diversity in two populations of the endangered Somatochlora hineana  (Odonata: Corduliidae). Ann. Entomol. Soc. Am. 103(6): 1012-1017.
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      332. Beck, J.B., J.C. Semple, J.M. Brull, S.L. Lance, M.M. Phillips, S.B. Hoot, and G.A. Meyer.  2014.  Genus-wide microsatellite primers for the goldenrods (Solidago; Asteraceae).  Applications in Plant Sciences  2 (4): 1300093.  doi:10.3732/apps.1300093
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      334. Casper, G.S. 2014. Geographic distribution: Diadophis punctatus edwardsii (Northern Ring-necked Snake), USA: Minnesota: Cook County. Herpetological Review 45(1):94.
      335. Bradley D.W., R.G. Clark, P.O. Dunn, A.J. Laughlin, C.M. Taylor, C. Vleck, L.A. Whittingham, D.W. Winkler, D.R. Norris. 2014. Trans-Gulf of Mexico loop migration of tree swallows revealed by solar geolocation. Current Zoology 60:653-659.
      336. Fowler-Finn, K.D., N. Al-Wathiqui, D. Cruz, M. Al-Wathiqui and R.L. Rodríguez. 2014. MaleEnchenopa treehoppers (Hemiptera: Membracidae) vary mate-searching behavior but not signaling behavior in response to spider silk.  Naturwissenschaften 101:211–220.
      337. Green, D.M., L.A. Weir, G.S. Casper, and M.J. Lannoo (Editors). 2014. North American Amphibians: Distribution and Diversity. University of California Press, Berkeley.
      338. Höbel G. and T. Barta. 2014.  Adaptive plasticity in calling site selection in gray treefrogs (Hyla versicolor). Behaviour 151:741-754.
      339. Reichert, M., H. Galante and G. Höbel. 2014. Female grey treefrogs, Hyla versicolor, are responsive to visual stimuli but unselective of stimulus characteristics. Journal of Experimental Biology 217:3254-3262.
      340. Rebar, D. and R.L. Rodriguez. 2014.  Trees to treehoppers: genetic variation in host plants contributes to variation in the mating signals of a plant-feeding insect.  Ecology Letters 17: 203–210.
      341. Rebar, D. and R.L. Rodriguez. 2014.  Genetic variation in host plants influences the mate preferences of a plant-feeding insect. American Naturalist 184: 489–499.
      342. Thomas, J.J. and G. Höbel 2014. Hyla versicolor (Eastern Gray Treefrog). Lacrimal Spot. Herpetological Review 45(1): 112.
      343. Whittingham L.A. and P.O. Dunn. 2014. Extra-pair mating and sexual selection on male traits across populations. The Wilson Journal of Ornithology 126:9-18.
      344. Casper, G.S. 2015. New county distribution records for amphibians and reptiles in Wisconsin.Herpetological Review 46(4):582–586.
      345. Casper, G.S., J.B. LeClere and J.C. Gillingham. 2015. Natural History Notes. Thamnophis sirtalis (Common Gartersnake). Diet / scavenging. Herpetological Review 46(4):653-654.
      346. Casper, G.S., R.D. Rutherford and T.G. Anton. 2015. Baseline distribution records for amphibians and reptiles in the Upper Peninsula of Michigan. Herpetological Review46(3):391–406.
      347. Fowler-Finn, K.D., J.T. Kilmer, A.C. Hallett and R.L. Rodríguez. 2015. Variation in signal–preference genetic correlations in Enchenopa treehoppers (Hemiptera: Membracidae).Ecology and Evolution 5: 2774–2786.
      348. Hileman, E.T., J.M. Kapfer, T.C. Muehlfeld, and J.H. Giovanni. 2015. Recouping lost information when mark-recapture data are pooled: a case study of milksnakes (Lampropeltis triangulum) in the upper Midwestern United States. Journal of Herpetology 49: 428-436.
      349. Liu, L., L. Liang, M.D. Schwartz, A. Donnelly, Z. Wang, C.B. Schaaf and L. Liu. 2015. Evaluating the potential of MODIS satellite data to track temporal dynamics of autumn phenology in a temperature mixed forest. Remote Sensing of Environment 160: 156-165.
      350. Mathai, P.P., D.H. Zitomer and J.S. Maki. 2015. Quantitative detection of syntrophic fatty acid-degrading bacterial communities in methanogenic environments. Microbiology 161:1189–1197.
      351. Meyer, G.A. 2015. Playing the field. Science 348: 938
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      353. Reichert, M.S. and G. Hoebel. 2015. Modality interactions alter the shape of acoustic mate preference functions in gray treefrogs. Evolution 69: 2384–2398.
      354. Rodríguez, R.L., M. Araya–Salas, D.A. Gray, M.S. Reichert, L.B. Symes, M.R. Wilkins, R.J. Safran, and G. Höbel. 2015. How acoustic signals scale with body size: common trends across diverse taxa. Behavioral Ecology 26: 168-177.
      355. Rosenfield, R.N., W.E. Stout, M.D. Giovanni, N.H. Levine, J.A. Cava, M.G. Hardin and T.G. Haynes. 2015. Does breeding population trajectory and age of nesting females influence disparate nestling sex ratios in two populations of Cooper’s Hawks? Ecology and Evolution 5: 4037–4048
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      357. Smith, C.E. and G.S. Casper. 2015. Natural History Notes. Chelydra serpentina (Snapping Turtle). Hunting behavior. Herpetological Review 46(2):241-2.
      358. Whittingham, L.A., C.R. Freeman-Gallant, C.C. Taff and P.O. Dunn. 2015. Different ornaments signal male health and MHC variation in two populations of a warbler. Molecular Ecology 24: 1584-1595.
      359. Berg, J.A., G.A. Meyer, and E.B. Young. 2016. Propagule pressure and environmental conditions interact to determine establishment success of an invasive plant species, glossy buckthorn (Frangula alnus), across five different wetland habitat types. Biological Invasions 18(5): 1363-1373.
      360. Casper, G.S. 2016. Geographic Distribution: Necturus maculosus (Mudpuppy). USA: Wisconsin: Washington Co. Herpetological Review 47(3): 417.
      361. Casper, G.S. 2016. Geographic Distribution: Hyla versicolor (Gray Treefrog). USA: Wisconsin: Milwaukee Co. Herpetological Review 47(3): 419.
      362. Casper, G.S., and M. Schmidt. 2016. Geographic Distribution: Lithobates catesbeianus (American Bullfrog). USA: Wisconsin: Green Lake Co. Herpetological Review 47(3): 42
      363. Casper, G.S., and R.D. Rutherford. 2016. Geographic Distribution: Opheodrys vernalis (Smooth Greensnake). USA: Wisconsin: Menominee Co. Herpetological Review 47(3): 428.
      364. Casper, G.S., and P. Kleinhenz. 2016. Geographic Distribution. Tropidoclonion lineatum (Lined Snake). USA: Wisconsin: Dane Co. Herpetological Review 47(3): 429.
      365. Henschen, A.E., L.A. Whittingham and P.O. Dunn.  2016.  Oxidative stress is related to both melanin- and carotenoid-based ornaments in the common yellowthroat.  Functional Ecology 30(5): 749-758
      366. Keyes, A. 2016.  Home, Sweet Nest Box: A Comparison of Detection Methods for the Southern Flying Squirrel (Glaucomys volans) in Ozaukee and Washington Counties, WI.  Proceedings of The National Conference On Undergraduate Research (NCUR), University of North Carolina
      367. Kilkenny, F.F. and L.F. Galloway. 2016. Evolution of marginal populations of an invasive vine increases the likelihood of future spread. New Phytologist 209: 1773-1780.
      368. Meyer, G.A., J.A. Senulis and J.A. Reinartz. 2016. Effects of temperature and availability of insect prey on bat emergence from hibernation in spring.  Journal of Mammalogy 97(6): 1623-1633
      369. Rutherford, J.L., G.S. Casper, and B. Graves. 2016. Factors affecting predation on Wood Turtle (Glyptemys insculpta) nests in the Upper Peninsula of Michigan. Chelonian Conservation and Biology 15(2):181-186.
      370. Sorin, Y.B., R.J. Mitchell, D.W. Trapnell, and J.D. Karron. 2016.  Effects of pollination and postpollination processes on selfing rate in Mimulus ringens. American Journal of Botany 103 (8): 1524-1528.
      371. Whittingham, L.A. and P.O. Dunn. 2016. Experimental evidence that brighter males sire more extra-pair young in tree swallows. Molecular Ecology 25 (15): 3706-3715
      372. Yu, R., M.D. Schwartz, A. Donnelly and L. Liang.  2016. An observation-based progression modeling approach to spring and autumn deciduous tree phenology. International Journal of Biometeorology 60 (3): 335-349.
      373. Casper, G.S., C.E. Smith, S.M. Nadeau, and A.Lewanski. 2017. Geographic Distribution. Acris blanchardi (Blanchard’s Cricket Frog). USA: Minnesota: Dakota Co. Herpetological Review 48(4):805.
      374. Fowler-Finn K.D., D.C. Cruz and R.L. Rodríguez. 2017. Local population density and group composition influence signal-preference relationships in Enchenopa treehoppers (Hemiptera: Membracidae). Journal of Evolutionary Biology 30: 13-25.
      375. Hallett, A.C., R.J. Mitchell, E.R. Chamberlain, and J.D. Karron. 2017. Pollination success following loss of a frequent pollinator: the role of compensatory visitation by other effective pollinators. AoB PLANTS 9: plx020; doi:10.1093/aobpla/plx020.
      376. Henschen, A. E., L.A.Whittingham and P.O. Dunn. 2017. The relationship between blood parasites and ornamentation depends on the level of analysis in the common yellowthroat.  Journal of Avian Biology 48:1263-1272.
      377. Hileman, E.T., R.B. King, J.M. Adamski, T.G. Anton, R.L. Bailey, S.J. Baker, N.D. Bieser, T.A. Bell, Jr, K.M. Bissell, D.R. Bradke, H. Campa, III, G.S. Casper, K. Cedar, M.D. Cross, B.A. DeGregorio, M.J. Dreslik, L.J. Faust, D.S. Harvey, R.W. Hay, B.C. Jellen, B.D. Johnson, G. Johnson, B.D. Kiel, B.A. Kingsbury, M.J. Kowalski, Y.M. Lee, A.M. Lentini, J.C. Marshall, D. Mauger, J.A. Moore, R.A. Paloski, C.A. Phillips, P.D. Pratt, T. Preney, K.A. Prior, A. Promaine, M. Redmer, H.K. Reinert, J.D. Rouse, K.T. Shoemaker, S. Sutton, T.J. VanDeWalle, P.J. Weatherhead, D. Wynn, and A. Yagi. 2017. Climatic and geographic predictors of life history variation in Eastern Massasauga (Sistrurus catenatus): A range-wide synthesis. PLoS ONE 12(2): e0172011. doi:10.1371/journal.pone.0172011.
      378. Joneson, S. and H. O’Brien. 2017. A molecular investigation of free-living and lichenized Nostoc sp. and symbiotic lifestyle determination. The Bryologist 120(4): 371–381.
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      380. Piaskowski, V.D., J.M. O’Donnell, and G.A. Meyer. 2017.  Bird use of the Cedarburg Bog Important Bird Area during spring and fall migration.  Passenger Pigeon 79 (2): 139 – 161.
      381. Underhill, V.A. and G. Höbel.  2017.  Variation in nocturnal light levels does not alter mate choice behavior in female eastern gray treefrogs (Hyla versicolor).  Behavioral Ecology Sociobiology 71:151.  DOI 10.1007/s00265-017-2386-1
      382. Ambardar, M., P.O. Dunn and L.A. Whittingham. 2018. Reproductive and foraging success of the Eastern Bluebird (Sialia sialis) in relation to vegetation height.  Wilson Journal of Ornithology 130(2):362–370.
      383. Casper, G.S. and R.D. Rutherford. 2018. Geographic Distribution: Lithobates catesbeianus (American Bullfrog). USA: Wisconsin: Shawano Co. Herpetological Review 49(2):282.
      384. Casper, G.S. 2018. Geographic Distribution: Ambystoma maculatum (Spotted Salamander). USA: Wisconsin: Shawano Co. Herpetological Review 49(2):280.
      385. Casper, G.S. and R.D. Rutherford. 2018. Geographic Distribution: Hemidactylium scutatum (Four-toed Salamander). USA: Wisconsin: Shawano Co. Herpetological Review 49(2):280.
      386. Casper, G.S. and R.D. Rutherford. 2018. Geographic Distribution: Notophthalmus viridescens louisianensis (Central Newt). USA: Wisconsin: Shawano Co. Herpetological Review 49(2):281.
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      388. Clark, R.G., D.W. Winkler, R.D. Dawson, D. Shutler, D.J.T. Hussell, M.P. Lombardo, P.A. Thorpe, P.O. Dunn and L.A. Whittingham. 2018. Geographic variation and environmental correlates of apparent survival rates in adult tree swallows Tachycineta bicolor. Journal of Avian Biology 49 (6). DOI: 10.1111/jav.01659
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      390. Gafvert, U. and G.S. Casper. 2018. Quality assurance plan for amphibian monitoring in the Great Lakes Network. Natural Resource Report NPS/GLKN/NRR—2018/1713. National Park Service, Fort Collins, Colorado.
      391. Graham, L.E., M.T. Trest, S. Will-Wolf, N.S. Miicke, L.M. Atonio, M.J. Piotrowski and J.J. Knack. 2018. Microscopic and metagenomic analyses of Peltigera ponojensis (Peltigerales, Ascomycota). Int. J. Plant Sci. 179(3):241–255
      392. Han, W.S., J.P. Graham, S. Choung, E. Park, W. Choi, and Y.S. Kim. Local-scale variability in groundwater resources: Cedar Creek Watershed, Wisconsin, U.S.A.  Journal of Hydro-environment Research 20: 38-51
      393. Henschen, A.E., L.A. Whittingham and P.O. Dunn. 2018. Male stress response is related to ornamentation but not resistance to oxidative stress in a warbler. Functional Ecology 32:1810–1818.
      394. Karol, K.G., M.S. Alix, R.W. Scribailo, P.M. Skawinski, R.S. Sleith, J.A. Sardina and J.D. Hall. 2018. New records of the rare North American endemic Chara brittonii (Characeae), with comments on its distribution. Brittonia 70(3):277-288. DOI 10.1007/s12228-018-9527-3
      395. Minnaar, C., B. Anderson, M.L. de Jager, and J.D. Karron. 2018. Plant-pollinator interactions along the pathway to paternity. Annals of Botany 123: 225–245. doi: 10.1093/aob/mcy167
      396. Murphy, J.C., J.R. Downie, J.M. Smith, S.R. Livingstone, R.S. Mohammed, R.M. Lehtinen, M. Eyre, J.N. Sewlal, N. Noriega, G.S. Casper, T. Anton, M.G. Rutherford, A.L. Braswell and M.J. Jowers. 2018. A Field Guide to the Amphibians and Reptiles of Trinidad & Tobago. Trinidad & Tobago Field Naturalists’ Club, Port of Spain, Trinidad and Tobago. R.J. Auguste (managing Editor).
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      407. Christopher D.A., R.J. Mitchell, D.W. Trapnell, P.A. Smallwood, W.R. Semski and J.D. Karron. 2019. Hermaphroditism promotes mate diversity in flowering plants. American Journal of Botany 106: 1131–1136. https://doi:10.1002/ajb2.1336
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