2006
Johnston, C.A. 2006. GIS in ecology: history of useful analytical tools and new approaches. 91st Annual Meeting of the Ecological Society of America. Memphis, TN. 6-11 August. http://abstracts.co.allenpress.com/pweb/esa2006/document/?ID=60835
Tulbure, M., D. Auger, and C.A. Johnston. 2006. Invasion of Great Lakes coastal wetlands by non-native genotypes of Phragmites australis. 91st Annual Meeting of the Ecological Society of America. Memphis, TN. 6-11 August. http://abstracts.co.allenpress.com/pweb/esa2006/document/?ID=62625
Johnston, C.A., B.A. Shmagin. P.C. Frost, J.H. Larson, G.A. Lamberti, S.D. Bridgham. Digital Wetland Databases Differ in Ability to Predict DOC Concentrations in Streams (poster). Biogeomon 2006, 5th Intenational Symposium on Ecosystem Behavior, Santa Cruz, CA. 25-30 June.
Johnston, C.A., D. Ghioca, J. Chang, B. Bedford, M. Bourdaghs, C. Frieswyk, M. Tulbure, L. Vaccaro, and J. Zedler. 2006. Multi-taxa Vegetation Models of Ecological Condition in Great Lakes Coastal Wetlands. International Association for Great Lakes Research 49th Annual Conference, Windsor, Ontario. 22-26 May.
Wu, K., C.A. Johnston, C. Cherrier, S. Bridgham, and B. Shmagin. 2006. Hydrologic calibration of the SWAT model in a Great Lakes coastal watershed. American Institute of Hydrology Annual Meeting & International Conference, Baton Rouge, LA. 21-24 May.
Johnston, C.A., and B. Pengra. 2006. Phragmites mapping using Hyperion imagery. Remote Sensing Across the Great Lakes: Observations, Monitoring and Action. Great Lakes Regional Data Exchange, Rochester, NY. 4-6 April.
2005
Tan, Z, C.A. Johnston, S. Liu, and L.L. Tieszen. 2005. Evaluation of Ecosystem Controls on Terrestrial Carbon Dynamics at a Sample Block Scale. Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract B41B-0187. American Geophysical Union Fall Meeting, San Francisco, CA. 5-9 December.
Chang, Jiyul, and Carol Johnston. 2005. Object-oriented Classification of High-resolution Coastal Wetland Imagery. PECORA 16, Sioux Falls, SD. 23-27 October.
Wu, Kangsheng, Boris Shmagin, and Carol Johnston. 2005. Seasonal Patterns of Baseflow and Surface Runoff in the Ontonagon River Watershed, Michigan (poster). South Dakota/North Dakota EPSCoR 5th Biennial Joint Conference, Brookings, SD. 8-9 September.
Tulbure, Mirela, Donald L. Auger and Carol A. Johnston. 2005. A Rapid Expansion of Phragmites australis in a Great Lakes Coastal Wetland (poster). South Dakota/North Dakota EPSCoR 5th Biennial Joint Conference, Brookings, SD. 8-9 September.
Pengra, Bruce, Jiyul Chang, and Carol Johnston. 2005. Influence of Coastal Geology on Wetland Abundance in the Great Lakes (poster). South Dakota/North Dakota EPSCoR 5th Biennial Joint Conference, Brookings, SD. 8-9 September.
Shmagin, Boris and Carol Johnston. 2005. The Hydroclimatology of the Central Territory of Conterminous U.S. and Stream Flow Regime in Missouri River Basin (poster). South Dakota/North Dakota EPSCoR 5th Biennial Joint Conference, Brookings, SD. 8-9 September.
Chang, Jiyul, Carol Johnston, Gerald Niemi, and Peter Wolter. 2005. Classification of High-resolution Coastal Wetland Imagery using object-oriented segmentation method (poster). South Dakota/North Dakota EPSCoR 5th Biennial Joint Conference, Brookings, SD. 8-9 September.
Tan, Zhengxi, Carol A. Johnston and Shuguang Liu. 2005. Analysis of Ecosystem Controls on Terrestrial Carbon Dynamics At the Sample Block Scale (poster). South Dakota/North Dakota EPSCoR 5th Biennial Joint Conference, Brookings, SD. 8-9 September.
Vaccaro, Lynn, Barbara Bedford, and Carol Johnston. 2005. Patterns of Cattail Abundance and its Impact on Vegetation Structure in Great Lakes Wetlands (poster). South Dakota/North Dakota EPSCoR 5th Biennial Joint Conference, Brookings, SD. 8-9 September.http://abstracts.co.allenpress.com/pweb/esa2005/document/?ID=51263
Johnston, C.A. "Community to the Globe: Landscape Analysis Using Geospatial Tools." Ecological Society of America and IX International Congress of Ecology (workshop presenter). Montreal, Quebec, Canada. 7-12 August 2005.
Shmagin, B.A., C.A. Johnston, and S.D. Bridgham. 2005. Ecohydrology or Hydroecology: time-space and scale-metric aspects. 90th Annual Meeting of the Ecological Society of America and IX International Congress of Ecology (INTECOL), Montreal, Quebec, Canada. 7-12 August. http://abstracts.co.allenpress.com/pweb/esa2005/document/?ID=51466
Tulbure, M.G., D. Auger, and C.A. Johnston. 2005. A rapid expansion of Phragmites australis in a Great Lakes Coastal Wetland (poster). 90th Annual Meeting of the Ecological Society of America and IX International Congress of Ecology (INTECOL), Montreal, Quebec, Canada. 7-12 August. http://abstracts.co.allenpress.com/pweb/esa2005/document/?ID=51827
Vaccaro, L.E., C.A. Johnston, and B.L. Bedford. 2005. Understanding a biotic indicator: Scaling down from regional patterns to local mechanisms of cattail dominance and plant species density. 90th Annual Meeting of the Ecological Society of America and IX International Congress of Ecology (INTECOL), Montreal, Quebec, Canada. 7-12 August. http://abstracts.co.allenpress.com/pweb/esa2005/document/?ID=51263
Brazner, J.C., N.P. Danz, G.J. Niemi, J.M. Hanowski, C.A. Johnston, and L.B. Johnson. 2005. Evaluating geographic and geomorphic influences on indicators of Great Lakes coastal wetland condition across multiple taxonomic groups. 90th Annual Meeting of the Ecological Society of America and IX International Congress of Ecology (INTECOL), Montreal, Quebec, Canada. 7-12 August. http://abstracts.co.allenpress.com/pweb/esa2005/document/?ID=50911
Frost, P.C., Larson, J.L., Cherrier, C.T., Zheng, Z., Johnston, C.A., Bridgham, S.D., Lamberti, G.A., and Lodge, D.M. 2005. C:N:P ratios of organic particles in northern Michigan streams: effects of lakes, wetlands, and watershed size. American Society for Limnology and Oceanography Aquatic Sciences Meeting, Salt Lake City, UT. 20-25 February.
Larson, J.H., P.C. Frost, Z. Zheng, C. Johnston, S.D. Bridgham, G.A. Lamberti, and D.M. Lodge. 2005. Do upstream lakes affect the quantity and absorbance of dissolved organic matter in streams? North American Benthological Society, New Orleans, LA. 22-27 May.
Shmagin, B.A., C.A. Johnston, and S.D. Bridgham. 2005. Multidimensional structure of streamflow regime in a hierarchy of landscapes within the U.S. Great Lakes basin. 48th Annual Conference on Great Lakes Research. Ann Arbor, MI. 23-27 May
Johnston, C.A. "GIS and Remote Sensing for Ecological Indicators of Great Lakes Coastal Wetlands." University of Nebraska-Lincoln, Center for Advanced Land Management Information Technologies (invited seminar). Lincoln, NE. 23 March 2005.
Niemi, G.J., P. Wolter, G. Host, L. Johnson, T. Hollenhorst, N. Danz, and C. Johnston. 2005. Landscape Change in the US Great Lakes Watershed - 1992 to 2002. International Association for Landscape Ecology Annual Symposium, Syracuse, NY. 12-16 March.
Frost, P.C., Larson, J.L., Cherrier, C.T., Zheng, Z., Johnston, C.A., Bridgham, S.D., Lamberti, G.A., and Lodge, D.M. 2005. Stoichiometry of suspended organic particles in northern Michigan streams: effects of watershed landcover and geomorphology. Society of Canadian Limnologists, Windsor, ON, Canada. 6-9 January.
2004
Johnston, C.A., B.A. Shmagin, and S.D. Bridgham. 2004. Climate change effects on streamflow from wetland-dominated watersheds of the U.S. Great Lakes basin. In Abstracts, Annual Meeting of the Soil Science Society of America, Seattle, WA. 1-4 November.
Johnston, C.A., J. Chang, M. Tulbure, T. Brown, M. Bourdaghs, C. Frieswyk,, J. Zedler. B. Bedford, and L. Vaccaro. 2004. Wetland plant species assemblages: Developing new and testing existing indicators. Estuarine and Great Lakes Coastal Indicators Program Annual Meeting, Duluth, MN. 30 Sept. - 1 Oct.
Doeringsfeld, M., I. Schlosser, C. Johnston, and P. Meysembourg. 2004. Interactions of genetic variation and landscape dynamics in a successional lotic ecosystem: lessons from clonal and sexual fish. 134th Annual Meeting of the American Fisheries Society, Madison, WI. 22-26 August.
Johnston, C.A., M. Bourdaghs, T. Brown, C. Frieswyk, J. Zedler, B. Bedford, and L. Vaccaro. 2004. Plants as environmental indicators in Great Lakes coastal wetlands. Rushmore Regional Conference on Biocomplexity, Sioux Falls, SD. 11-12 August.
Pengra, B., J. Chang, and C.A. Johnston. 2004. Influence of coastal geology on wetland abundance in the Great Lakes (poster). Rushmore Regional Conference on Biocomplexity, Sioux Falls, SD. 11-12 August.
Zheng, Z., C.A. Johnston, P.C. Frost, J.H. Larson, S.D. Bridgham, and C.T. Cherrier. 2004. Effect of landscape characteristics on DOC concentration in streams of Ontonagon watershed (poster). Rushmore Regional Conference on Biocomplexity, Sioux Falls, SD. 11-12 August.
Frieswyk, C.B., C.A. Johnston, and J.B. Zedler. 2004. Quantifying and qualifying dominance in vegetation. 89th Annual Meeting of the Ecological Society of America, Portland OR. 1-6 August. http://abstracts.co.allenpress.com/pweb/esa2004/document/?ID=36129
Vaccaro, L.E., C.A. Johnston, and B.L. Bedford. 2004. Patterns of cattail abundance and its impact on vegetation structure in Great Lake wetlands (poster). 25th Annual Meeting of the Society of Wetland Scientists, Seattle, WA. 18-23 July.
Frieswyk, C.B., A.M. Boers, C.A. Johnston, and J.B. Zedler. 2004. Cattail dominance as an indicator. 47th Annual Conference on Great Lakes Research, Waterloo, ON. 24-28 May.
Johnston, C.A., B.L. Bedford, M. Bourdaghs, T. Brown, C.B. Frieswyk,, L.E. Vaccaro, and J.B. Zedler. 2004. Plants as environmental indicators in Great Lakes coastal wetlands. 47th Annual Conference on Great Lakes Research, Waterloo, ON. 24-28 May.
Johnston, C.A., B.A. Shmagin, and S.D. Bridgham. 2004. Hydrological regionalization of the U.S. Great Lakes Basin. 47th Annual Conference on Great Lakes Research, Waterloo, ON. 24-28 May.
Frieswyk, C.B., C.A. Johnston, and J.B. Zedler. 2004. Measuring dominance among co-occuring plants (poster). Coastal Society, Newport RI. 23-26 May.
Shmagin, B., C. Johnston and S. Bridgham. 2004. The spatial temporal regime of stream flow of the conterminous U.S. in connection with indices of global atmospheric circulation. Eos Trans. AGU, 85(17), Jt. Assem. Suppl., Abstract H33A-06. American Geophysical Union Joint Assembly, Montreal Canada. 17-21 May 2004.
Frieswyk, C.B., C.A. Johnston, and J.B. Zedler. 2004. Forms of dominance in wetland plants: a potential indicator of integrity. U.W. Arboretum Science Day, Madison, WI. 17 May.
Johnston, C.A. 2004. Are wetland vegetation indicators useful for Great Rivers? First Public Symposium on Great Rivers Issues, Godfrey, IL. 15 April.
Johnston, C.A. 2004. Expanding biocomplexity studies in South Dakota. 89th Annual Meeting, South Dakota Academy of Science. Chamberlain, SD. 3 April.
Shmagin, B.A., and C.A. Johnston. 2004.The hydroclimatology of the central territory of conterminous U.S. and stream flow regime in upper Missouri River basin (poster). 89th Annual Meeting, South Dakota Academy of Science. Chamberlain, SD. 3 April.
Shmagin, B.A., and C.A. Johnston. 2004. Minnesota's place in hydrological regionalization of the U.S. Great Lakes basin. Minnesota Water 2004: Policy and Planning to Ensure Minnesota's Water Supplies. Minneapolis, MN. 23-24 March 2004.
2003
Bourdaghs, M., and C.A. Johnston. 2003. The relationship between sampling area, species richness, and the Floristic Quality Assessment Index. EPA All-EaGLes Meeting, Bodega Bay, CA. 3-6 December.
Danz, N.P., L.B. Johnson, G.J. Niemi, R.R. Regal, J. Schuldt, V. Brady, J. Brazner, M. Bourdaghs, C. Johnston, T. Brown, and J.M. Hanowski. 2003. Integrating a fish, bird, and plant wetland indicator using regional ecological normalization. EPA All-EaGLes Meeting, Bodega Bay, CA. 3-6 December.
Niemi, G., R. Axler, V. Brady, J. Hanowski, G. Host, L. Johnson, C. Johnston, J. Kingston, R. Regal, C. Richards, D. Swackhamer, R. Howe, J. Ciborowski, and S. Bradbury. 2003. Development of environmental indicators for the U.S. Great Lakes coastal region (poster). EPA All-EaGLes Meeting, Bodega Bay, CA. 3-6 December.
Wolter, P., G. Niemi, and C. Johnston. 2003. Development of environmental indicators for the U.S. Great Lakes basin using remote sensing technology. EPA All-EaGLes Meeting, Bodega Bay, CA. 3-6 December.
Frost, P.C., G.A. Lamberti, J.H. Larson, D.M. Lodge, P.A. Maurice, S.D. Bridgham, C.T. Cherrier, C.A. Johnston, and B.A. Shmagin. 2003. Landscape control of DOC and UV radiation and their effects on stream food webs in northern Michigan (poster). Dissertation Initiative for the Advancement of Limnology and Oceanography (DIALOG IV), Bermuda Biological Station for Research, 14-19 October.
Johnston, C.A., B.L. Bedford, M. Bourdaghs, T. Brown, C. Frieswyk, L. Vaccaro, and J. Zedler. 2003. Plants as environmental indicators in Great Lakes coastal wetlands. 88th Annual Meeting of the Ecological Society of America., Savannah, Georgia. 3-8 August. http://abstracts.co.allenpress.com/pweb/esa2003/document/?ID=26123
Johnston, C.A., P. Meysembourg, and T. Hollenhorst. 2003. GIS-derived indicators of environmental stressors and ecosystem responses of Great Lakes coastal wetlands. 17th Annual Meeting of the Society for Conservation Biology. Duluth, MN. 28 June - 2 July.
Doeringsfeld, M., P. Meysembourg, C. Johnston, and I. Schlosser. 2003. Genetic diversity and environmental heterogeneity: lessons from an unusual complex of clonal and sexual fish in a diverse successional landscape. 17th Annual Meeting of the Society for Conservation Biology. Duluth, MN. 28 June - 2 July.
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