PUBLICATIONS: Peer-Reviewed Publications

  1. Rushforth, S.R., S.D. Burton, J.R. Johansen and J.A. Grimes. 1980. Thioploca ingrica Visloukh on wet walls in Zion National Park, Utah. Great Basin Naturalist 40:98-100.
  2. Johansen, J.R. and S.R. Rushforth. 1981. Diatoms of surface waters and soils of selected oil shale lease areas of eastern Utah. Nova Hedwigia 34:333-390.
  3. Johansen, J.R., S.R. Rushforth and J.D. Brotherson. 1981. Subaerial algae of Navajo National Monument, Arizona. Great Basin Naturalist 41:433-439.
  4. Fryxell, G.A., J.R. Johansen and G.J. Doucette. 1982. Antarctic phytoplankton cultures and collections around South Georgia. Antarctic Journal of the United States 17(5):160-162.
  5. Johansen, J.R., A. Javakul and S.R. Rushforth. 1982. Effects of burning on the algal communities of a high desert soil near Wallsburg, Utah. Journal of Range Management 35:598-600.
  6. Johansen, J.R., S.R. Rushforth and I. Kaczmarska. 1982. Algal populations in Bottle Hollow Reservoir, Duschesne County, Utah. Great Basin Naturalist 42:205-218.
  7. Brotherson, J.D., S.R. Rushforth and J.R. Johansen. 1983. Effects of long-term grazing on cryptogam crust cover in Navajo National Monument, Ariz. Journal of Range Management 36:579-581.
  8. Brotherson, J.D., S.R. Rushforth and J.R. Johansen and C. Morden. 1983. Population dynamics and age relationships of eight tree species in Navajo National Monument, Arizona. Journal of Range Management 36:579-581.
  9. Johansen, J.R., S.R. Rushforth and J.D. Brotherson. 1983. The algal flora of Navajo National Monument, Arizona. Nova Hedwigia 38:501-553.
  10. Johansen, J.R., S.R. Rushforth, R. Oberndorfer, N. Fungladda and J.A. Grimes. 1983. The algal flora of selected wet walls in Zion National Park, Utah, U.S.A. Nova Hedwigia 38:765-808.
  11. Johansen, J.R. 1984. Response of soil algae to a hundred-year storm in the Great Basin Desert, Utah. Phykos 23:51-54.
  12. Johansen, J.R., L.L. St. Clair, B.L. Webb and G.T. Nebeker. 1984. Recovery patterns of cryptogamic soil crusts in desert rangelands following fire disturbance. The Bryologist 87:238-243.
  13. Rushforth, S.R., I. Kaczmarska and J.R. Johansen. 1984. The subaerial diatom flora of Thurston Lava Tube, Hawaii. Bacillaria 7:135-157.
  14. St. Clair, L.L., B.L. Webb, J.R. Johansen and G.T. Nebeker. 1984. Cryptogamic soil crusts: enhancement of seedling establishment in disturbed and undisturbed areas. Reclamation and Revegetation Research 3:129-136.
  15. Ashley, J., S.R. Rushforth and J.R. Johansen. 1985. Soil algae of cryptogamic crusts from the Uintah Basin, Utah, U.S.A. Great Basin Naturalist 45:432-442.
  16. Brotherson, J.D., W.E. Evenson, S.R. Rushforth, J. Fairchild and J.R. Johansen. 1985. Spatial patterns of plant communities and differential weathering in Navajo National Monument, Arizona. Great Basin Naturalist 45:1-13.
  17. Johansen, J.R., G.J. Doucette and G.A. Fryxell. 1985. The genus Thalassiosira (Bacillariophyceae): morphology of heterovalvate resting spores of [T. scotia]. American Journal of Botany 72:1861-1870.
  18. Johansen, J.R. and G.A. Fryxell. 1985. The genus Thalassiosira (Bacillariophyceae): studies on species occurring south of the Antarctic Convergence Zone. Phycologia 24:155-179.
  19. Johansen, J.R. and S.R. Rushforth. 1985. A contribution to the taxonomy of Chaetoceros muelleri Lemmerman (Bacillariophyceae) and related taxa. Phycologia 24:437-447.
  20. Johansen, J.R. and S.R. Rushforth. 1985. Cryptogamic soil crusts: seasonal variation in algal populations in the Tintic Mountains, Juab County, Utah, U.S.A. Great Basin Naturalist 45:14-21.
  21. Kaczmarska, I., S.R. Rushforth and J.R. Johansen. 1985. Chaetoceros amanita Cleve-Euler (Bacillariophyceae) from Blue Lake Warm Spring, Utah, U.S.A. Phycologia 24:103-109.
  22. Johansen, J.R. and L.L. St. Clair. 1986. Cryptogamic soil crusts: recovery from grazing near Camp Floyd State Park, Utah, USA. Great Basin Naturalist 46:632-640.
  23. Rushforth, S.R. and J.R. Johansen. 1986. The inland Chaetoceros (Bacillariophyceae) species of North America. Journal of Phycology 22:441-448.
  24. Rushforth, S.R., L.E. Squires and J.R. Johansen. 1986. Three new records for diatoms from the Great Basin, USA. Great Basin Naturalist 46:398-403.
  25. St. Clair, L.L., J.R. Johansen and B.L. Webb. 1986. Rapid stabilization of fire-disturbed sites using a soil crust slurry: inoculation studies. Reclamation and Revegetation Research 4:261-269.
  26. Johansen, J.R. and E. Theriot. 1987. The relationship between valve diameter and number of central fultoportulae in Thalassiosira weissflogii (Bacillariophyceae). Journal of Phycology 23:663-665.
  27. Johansen, J.R., G.J. Doucette, W.R. Barclay and J.D. Bull. 1988. The morphology and physiology of Pleurochrysis dentata sp. nov. (Prymnesiophyceae), a new coccolithophorid species from an inland saline pond in New Mexico, U.S.A. Phycologia 27:78-88.
  28. McMillan, M. and J.R. Johansen. 1988. Morphological changes in Thalassiosira decipiens (Bacillariophyceae) cultured in media of four different salinities. British Journal of Phycology. 23:307-316.
  29. Rushforth, S.R., J.R. Johansen and D.L. Sorensen. 1988. The occurrence of Phaeodactylum tricornutum in the Great Salt Lake, Utah, USA. Great Basin Naturalist 48:324-326.
  30. Tadros, M.G. and J.R. Johansen. 1988. Physiological characterization of six lipid-producing diatoms from the southeastern United States. Journal of Phycology 24:445-452.
  31. Johansen, J.R., W.R. Barclay and N. Nagle. 1990. Chaetoceros muelleri (Bacillariophyceae): Physiological variability within ten strains. Journal of Phycology 26:271-278.
  32. Barclay, W.R., J.R. Johansen, K.L. Terry and S.P. Toon. 1991. The influence of ionic parameters on the growth and limited distribution of Boekelovia hooglandii (Chromophyta). Phycologia 30:355-364.
  33. Dayner, D.M. and J.R. Johansen. 1991. Observations on the algal flora of Seneca Cavern, Seneca County, Ohio. Ohio Journal of Science 91:118-121.
  34. Johansen, J.R. 1991. Morphological variability and cell wall composition of Phaeodactylum tricornutum (Bacillariophyceae). Great Basin Naturalist 51:310-315.
  35. Yearsley, K.H., S.R. Rushforth and J.R. Johansen. 1992. The diatom flora of Beaver Dam Creek, Washington County, Utah, U.S.A. Great Basin Naturalist 52:131-138.
  36. Grondin, A.E. and J.R. Johansen. 1993. Microbial spatial heterogeneity in microbiotic crusts in Colorado National Monument. I. Algae. Great Basin Naturalist 53:24-30.
  37. Johansen, J.R. 1993. Minireview: cryptogamic crusts of semiarid and arid lands of North America. Journal of Phycology 29:139-147.
  38. Johansen, J.R., J. Ashley and W.R. Rayburn. 1993. The effects of rangefire on soil algal crusts in semiarid shrub-steppe of the Lower columbia Basin and their subsequent recovery. Great Basin Naturalist 53:73-88.
  39. St. Clair, L.L. and J.R. Johansen. 1993. The lichen component of microbiotic soil crust communities in the intermountain area of the western United States. Great Basin Naturalist 53:5-12.
  40. Wheeler, C.C., V.R. Flechtner and J.R. Johansen. 1993. Microbial spatial heterogeneity in microbiotic crusts in Colorado National Monument. II. Bacteria. Great Basin Naturalist 53:31-39.
  41. Wilder, G.J. and J.R. Johansen. 1993. Comparative anatomy of absorbing roots and anchoring roots in three species of Cyclanthaceae (Monocotyledoneae). Canadian Journal of Botany 70:2384-2404.
  42. Johansen, J.R., S. Lacognata and J.P. Kociolek. 1994. Examination of type material of Denticula rainierensis Sovereign. Pages 211-219 in: Kociolek, J.P. (ed.), Proceedings of the 11th International Diatom Symposium. Memoirs of the California Academy of Sciences, Number 17.
  43. Grondin, A.E. and J.R. Johansen. 1995. Seasonal succession in a soil algal community associated with a beech-maple forest in northeastern Ohio, U.S.A. Nova Hedwigia 60:1-12.
  44. Johansen, J.R. and J.S. Boyer. 1995. A morphometric analysis of six Chaetoceros strains from inland saline lakes, with a description of Chaetoceros transisetus sp. nov. Pages 87-101 in: Kociolek, J.P. and M.J. Sullivan (eds.), A century of diatom research in North America: a tribute to the distinguished careers of Charles W. Reimer and Ruth Patrick. Koeltz Scientific Books.
  45. Sgro, G.V. and J.R. Johansen. 1995. Rapid bioassessment of algal periphyton in freshwater streams. Pages 291-311 in: Butterworth, F.M., L.D. Corkum and J. Guzman-Rinc˘n (eds.), Biomonitors and biomarkers as indicators of environmental change: a handbook. Plenum Publishing Corp.
  46. Buttars, S.M., L.L. St. Clair, J.R. Johansen, J.C. Sray, M.C. Payne, B.L. Webb, R.E. Terry, B.K. Pendleton & S.D. Warren. 1998. Pelletized cyanobacterial soil amendments: laboratory testing for survival, escapability, and nitrogen fixation. Arid Soil Research and Rehabilitation 12(2):165-178.
  47. Flechtner, V.R., J.R. Johansen, & W.H. Clark. 1998. Algal composition of microbiotic crusts from the central desert of Baja California, Mexico. Great Basin Naturalist 58:295-311.
  48. Johansen, J.R. & J.C. Sray. 1998. Microcostatus gen. nov., a new aerophilic diatom genus based on Navicula krasskei Hustedt. Diatom Research 13:93-101.
  49. Johansen, J.R. 1999. Diatoms of aerial habitats. Pages 264-273 in: Stoermer, E.F. & J.P. Smol(eds.), The diatoms: applications for the environmental and earth sciences.  Cambridge University Press, Cambridge, U.K.
  50. Evans, R.D. & J.R. Johansen. 1999. Microbiotic crusts and ecosystem processes. Critical Reviews in Plant Sciences 18:183-225.
  51. Gaiser, E. and J.R. Johansen. 2000. Freshwater diatoms from Carolina bays and other isolated wetlands on the Atlantic coastal plain of South Carolina, U.S.A., with descriptions of seven taxa new to science. Diatom Research 15:75-130.
  52. Boyer, S.L., V.F. Flechtner, and J.R. Johansen. 2001. Is the 16S-23S rRNA internal transcribed spacer region a good tool for use in molecular systematics and population genetics? A case study in cyanobacteria. Molecular Biology and Evolution 18:1057-1069.
  53. Johansen, J.R. Impacts of fire on biological soil crusts. 2001. Pages 385-397 in: Belnap, J. and O.L. Lange (eds.) Biological soil crusts: structure, function, and management. Ecological Studies 150. Springer-Verlag, Berlin.
  54. Johansen, J.R., C. Britton, T.C. Rosati, Li X., L.L. St. Clair, B.L. Webb, A.J. Kennedy, and K.S. Yanko. 2001. Microbiotic crusts of the Mojave Desert: factors influencing distribution and abundance. Nova Hedwigia, Beiheft 123:339-369.
  55. Johansen, J.R. and L.E. Shubert. 2001. Algae in soils. Nova Hedwigia, Beiheft 123:295-304.
  56. Sellman, S.M., J.R. Johansen, and M.M. Coburn. 2002. Using fish to sample diatom composition in streams: are intestinal floras representative of natural substrates? Pages 529-536 in: Economou-Amilli, A., (ed.) Proceedings of the 16th International Diatom Symposium, Athens, Greece, University of Athens, Greece.
  57. Flechtner, V.R., S.L. Boyer, J.R. Johansen, and M.L. DeNoble. 2002. Spirirestis rafaelensis gen. et sp. nov. (Cyanophyceae), a new cyanobacterial genus from arid soils. Nova Hedwigia 74:1-24.
  58. Boudell, J.A., S.O. Link and J.R. Johansen. 2002. Effect of soil microtopography on seed bank distribution in the shrub-steppe. Western North American Naturalist 62:14-24.
  59. Boyer, S.L., J.R. Johansen, V.R. Flechtner and G.L. Howard. 2002. Phylogeny and genetic variance in terrestrial Microcoleus (Cyanophyceae) species based on sequence analysis of the 16S rRNA gene and associated 16S-23S ITS region. Journal of Phycology 38:1222-1235.
  60. George, D.B., B.A. Roundy, L.L. St. Clair, J.R. Johansen, G.B. Schaalje and B.L. Webb. 2003. The effects of microbiotic soil crusts on soil water loss. Arid Land Research and Management 17:113-125.
  61. Gomez, S.R., J.R. Johansen, and R.L. Lowe. 2003. Epilithic Aerial Algae of Great Smoky Mountains National Park. Biologia, Bratislava 58:603-615.
  62. Kubecková, K., J.R. Johansen, S.D. Warren, and R.L. Sparks. 2003. Development of immobilized cyanobacterial amendments for reclamation of microbiotic soil crusts. Algological Studies 109:341-362.
  63. Neher, D.A., T.L. Walters, E. Tramer, T.R. Weicht, R.M. Veluci, K. Saiya-Cork, S. Will-wolf, J. Toppin, J. Traub and J.R. Johansen. 2003. Biological soil crust and vascular plant communities in a sand savanna of northwestern Ohio. Journal of the Torrey Botanical Society 130:244-252.
  64. Rosati, T.C., J.R. Johansen and M.M. Coburn. 2003. Cyprinid fishes as samplers of benthic diatom communities in freshwater streams of varying water quality. Canadian Journal of Fisheries and Aquatic Sciences 60:117-125.
  65. Johansen, J.R., R. Lowe, S.R. Gomez, J.P. Kociolek and S.A. Makosky. 2004. New algal species records for the Great Smoky Mountains National Park, U.S.A., with an annotated checklist of all reported algal species for the park. Algological Studies 111:17-44.
  66. Casamatta D.A., J.R. Johansen, M.L. Vis & S.T. Broadwater. 2005. Molecular and ultrastructural characterization of ten polar and near-polar strains within the Oscillatoriales (Cyanobacteria). Journal of Phycology 41:421-438.
  67. Jog, S.K., J.T. Kartesz, J.R. Johansen and G.J. Wilder. 2005. Floristic study of Highland Heights Community Park, Cuyahoga Co., Ohio. Castanea 70:136-145.
  68. Nagy, M.L., J.R. Johansen, L.L. St. Clair & B.L. Webb. 2005. Impact of elevated arsenic on microbiotic soil crusts 70 years after contamination. Journal of Arid Environments 63:304-323.
  69. Casamatta D.A., S.R. Gomez and J.R. Johansen. Accepted. Rexia erecta gen. et sp. nov. and Capsosira lowei sp. nov., two newly described cyanobacterial taxa from the Great Smoky Mountain National Park (USA). Hydrobiologia.
  70. Herrick, J.E., J.W. Van Zee, J. Belnap and J.R. Johansen. Accepted. Disturbance reduces infiltration into both biologically and physically crusted sandy soils in the Mojave Desert. Journal of Arid Environments.
  71. Johansen, J.R. & D.A. Casamatta. Accepted. Recognizing cyanobacterial diversity through adoption of a new species paradigm. Algological Studies.
  72. Johansen, J.R., K. Fucíková, M.H. Fitzpatrick & R.L. Lowe. Accepted. The red algal genus Rhodospora (Bangiophycidae, Rhodophyta): first report from North America. Journal of Phycology.
  73. Sgro, G.V., M. Ketterer and J.R. Johansen. Accepted. Ecology and assessment of the benthic diatom communities of four Lake Erie estuaries using Lange-Bertalot Tolerance values. Hydrobiologia.

Other Publications

  1. Barclay, W., J. Johansen, P. Chelf, N. Nagle, P. Roessler and P. Lemke. 1986. Microalgae Culture Collection 1986-1987. SERI Publication No. SP-232-3079, SERI, Golden, CO. 149 pp.
  2. Johansen, J.R. 1986. Soil algae and range management. Applied Phycology Forum 3(1):1-2.
  3. Johansen, J.R. 1986. Importance of cryptogamic soil crusts to arid rangelands: implications for short duration grazing. In: J. Tiedeman (ed.), Short duration grazing. Proceedings, 1986 Pacific Northwest Range Management Shortcourse. Cooperative Extension, Washington State University, Pullman. pp. 127-136.
  4. Johansen, J.R. 1988. Book Review: [Atlas du Phytoplancton Marin, Vol. 2. Diatomophycees]. Michel Ricard. Phycologia 27:431-432.
  5. Johansen, J.R. 1989. Highlights of the Annual PSA Meeting. Applied Phycology Forum 25(3).
  6. Johansen, J.R. and Rayburn, W.R. 1989. Effects of rangefire on soil cryptogamic crusts. In: Baumgartner, D.M., Breuer, D.W., Zamora, B.A., Neuenschwander, L.F. and Wakimoto, R.H. (Eds.) [Prescribed Fire in the Intermountain Region, Forest Site Preparation and Range Improvement]. Washington State University Cooperative Extension, Pullman, Washington, pp. 107-109.
  7. Fryxell, G.A. and J.R. Johansen. 1990. Family Thalassiosiraceae. Section 2: the genus [Thalassiosira] from the Antarctic. pp. 98-103. In: Priddle, J. and L.K. Medlin (eds.) [The Antarctic Handbook]. British Antarctic Survey.
  8. Johansen, J.R. 1990. Report on the Eleventh International Diatom Symposium held at San Francisco State University, San Francisco, California, U.S.A. hosted jointly by the California Academy of Sciences, the San Francisco Bay Area Diatom Group and the International Society for Diatom Research, 12-17 August 1990. Diatom Research 5:438.
  9. St. Clair, L.L. and J.R. Johansen. 1993. Introduction to the symposium on soil crust communities. Great Basin Naturalist 53:1-4.
  10. Johansen, J.R. 1994. Soil crust communities in the intermountain west. Natural Areas Report 6(3):3.
  11. Johansen, J.R. 1998. Review of: Microalgae: Aspects of Diversity and Systematics. Edited by Regine Jahn, Barbara Meyer and Hans R. Presig. 1997. Nova Hedwigia 65:1-452. J. Cramer, Stuttgart. Phycologia 37:315-316.