| Published Abstracts and Presentations |
2008
Jung, K.H., Chang, S.X. and Neufeld, C. 2008. H+ Budget in two intensively monitored watersheds in the Alberta Oil Sands Region. TEEM-NSMWG Workshop, October 15-17, 2008. Banff Park Lodge, Banff, Alberta.
Preston, C.M., Chang, S.X., Mead, D.J. and Swanston, C.W. 2008. Field recovery and seedling-bioassay availability of 15N-urea 10 years after application to a Douglas-fir pole stand in coastal British Columbia. Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, the Geological Society of America, The Gulf Coast Association of Geological Societies and Houston Geological Society 2008 Joint Annual Meeting: Celebrating the International Year of Planet Earth. October 5-9, 2008. Houston, TX.
Chang, S.X., Teklay, T., Arevalo, C. and Bhatti, J. 2008. Soil C stabilization: sensitivity to temperature and effects of landuse change. Frontiers of Soil Science, Canadian Society of Soil Science 2008 annual meeting. Prince George, British Columbia, July 6 - 10, 2008. (oral presentation)
Attaeian, B., Chang, S.X. and Cahill, J.F. 2008. Limited impact of warming and defoliation on nitrogen dynamics in a rough fescue grassland. Frontiers of Soil Science, Canadian Society of Soil Science 2008 annual meeting. Prince George, British Columbia, July 6 - 10, 2008. (oral presentation)
Shi, Z., Thomas, B.R. and Chang, S.X. 2008. Net CO2 exchange at the forest floor: effects of hybrid poplar stand age and land uses. Frontiers of Soil Science, Canadian Society of Soil Science 2008 annual meeting. Prince George, British Columbia, July 6 - 10, 2008. (poster presentation)
Pattison, S.R., Chang, S.X. and Thomas, B.R. 2008. Pulpmill biosolids and urea affects soil N cycling and N2O Emissions in a hybrid poplar plantation in northern Alberta. Frontiers of Soil Science, Canadian Society of Soil Science 2008 annual meeting. Prince George, British Columbia, July 6 - 10, 2008. (oral presentation)
Kwak, J.H., Lim, S.S., Lee, K.H., Kim, H.Y., Chang, S.X. and Choi, W.J. 2008. Prospects of reconstructing historical precipitation pH from tree ring chemistry of Pinus densiflora in Korea. Frontiers of Soil Science, Canadian Society of Soil Science 2008 annual meeting. Prince George, British Columbia, July 6 - 10, 2008. (poster presentation)
Choi, W.J. and Chang, S.X. 2008. Nitrogen application effects on total petroleum hydrocarbon degradation in composted drilling wastes differ with compost age. Frontiers of Soil Science, Canadian Society of Soil Science 2008 annual meeting. Prince George, British Columbia, July 6 - 10, 2008. (poster presentation)
Gu, B.J., Ge, Y., Chang, S.X., Peng, C.H. and Chang, J. Ecological consequences of rapid urban development in Edmonton, Alberta. Frontiers of Soil Science, Canadian Society of Soil Science 2008 annual meeting. Prince George, British Columbia, July 6 - 10, 2008. (oral presentation)
Jung, K.H., Chang, S.X., Neufeld, C. and Ok, Y.S. 2008. Soil physical environment between Populus tremuloides and Pinus banksiana dominated stands in the Athabasca oil sands region, Alberta. FILS Lecture series poster session. University of Alberta, March 6, 2008. (poster paper)
Neufeld, C., Chang, S.X. and Feng, Y. 2008. Effects of N and S deposition on the properties of soils in the Fort McMurray area. FILS Lecture series poster session. University of Alberta, March 6, 2008. (poster paper)
Pattison, S.R., Chang, S.X. and Thomas, B.R. 2008. Application of pulpmill biosolids and urea to a hybrid poplar plantation in northern Alberta: The response of greenhouse gas emissions. FILS Lecture series poster session.University of Alberta, March 6, 2008. (poster paper)
Lin, Y., Ge, Y., Chang, J., Chang, S.X., Hao, X.Y. and Wang, Y. 2008. Watertable level and N addition affect N and C dynamics in mesocosms of a subtropical wetland. FILS Lecture series poster session. University of Alberta, March 6, 2008. (poster paper)
Anyia, A.O., Slaski, J.J., Vidmar, J.J., Capo-Chichi, L., Chen, J. and Chang, S.X. 2008. Physiological traits contributing to water productivity and yield stability of barley on the Canadian Prairies. The 5th International Crop Science Congress, Jeju, Korea. April 13-18, 2008.
Price, D.T., Orchansky, A., Sidders, D., Arevalo, C., Thomas, B.R., Bhatti, J. and Chang, S.X. 2008. Carbon balance of a young hybrid poplar plantation. 2008 Canadian Carbon Program/Fluxnet-Canada Annual General Meeting, March 14-16, 2008, Calgary, Alberta.
Chang, S.X. and Liang, H. 2008. Recovery and retranslocation of 15N-urea in a drained minerotrophic peatland 13 years after application. EUROSOIL 2008: Soil - Society - Environment, 25 - 29 August, 2008, Vienna, Austria.
Cahill, J.F., Bork, E.W., Chang, S.X., Proctor, H.C. and Wilson, S.D. 2008. Interactions between defoliation, warming, and drought in a native northern grassland in Alberta, Canada. Joint Meeting of the International Grassland Congress and the International Rangeland Congress, 29th June – 5th July, 2008, Hohhot, China.
Pattison, S.R., Chang, S.X. and Thomas, B.R. 2008. Do pulpmill biosolids and urea application affect greenhouse gas emissions in hybrid poplar plantations in northern Alberta? Abstracts of the 45th Annual Alberta Soil Science Workshop: Ecological Footprint of Human Activities on Alberta’s Soils. February 19-21, 2008. Lethbridge Lodge Hotel and Conference Centre, Lethbridge, Alberta. (oral paper)
Gu, B.J., Ge, Y., Chang, J. and Chang, S.X. 2008. Ecological and socioeconomic consequences of rapid urban development in Edmonton, Alberta. Abstracts of the 45th Annual Alberta Soil Science Workshop: Ecological Footprint of Human Activities on Alberta’s Soils. February 19-21, 2008. Lethbridge Lodge Hotel and Conference Centre, Lethbridge, Alberta. (poster paper)
Neufeld, C., Chang, S.X. and Feng, Y. 2008. Effects of N and S deposition on the properties of soils in the Fort McMurray area. Abstracts of the 45th Annual Alberta Soil Science Workshop: Ecological Footprint of Human Activities on Alberta’s Soils. February 19-21, 2008. Lethbridge Lodge Hotel and Conference Centre, Lethbridge, Alberta. (oral paper)
Lin, Y., Ge, Y., Chang, J., Chang, S.X., Hao, X.Y. and Wang, Y. 2008. Watertable level and N deposition affect C and N dynamics in mesocosms of a subtropical wetland. Abstracts of the 45th Annual Alberta Soil Science Workshop: Ecological Footprint of Human Activities on Alberta’s Soils. February 19-21, 2008. Lethbridge Lodge Hotel and Conference Centre, Lethbridge, Alberta. (oral paper)
Pattison, S.R., Chang, S.X. and Thomas, B.R. 2008. Application of pulpmill biosolids and urea to a hybrid poplar plantation in northern Alberta: The response of greenhouse gas emissions. Waste - The Social Context '08. May 11th - 15th, 2008. The Shaw Conference Centre, Edmonton, Alberta. (poster paper)
2007
Chang, S.X., Neufeld, C. and Ok, Y.S. 2007. Fluxes of N and S in two watersheds and in an artificial acidification experiment in the oil sands. Terrestrial Environmental Effects Monitoring (TEEM) Program & NOxSO2 Management Working Group (NSMWG) Integration Workshop. October 16 – 19, 2007. Banff Park Lodge, Banff, Alberta. (oral paper)
Kwak, J.H., Choi, W.J., Lim, S.S., Lee, S.H., Lee, S.M., Chang, S.X., Jung, J.W., Yoon, K.S., Choi, S.M. 2007. Soil 15N/14N ratios indicate the sources and transformations of N in reclaimed coastal tidelands. Eighth Conference of the East and Southeast Asian Federation of Soil Science – New Challenges for Agricultural Science: Harmonizing Food Production with the Environment. 22-23 October, 2007. Tsukuba International Congress Center, Tsukuba, Ibaraki, Japan. Abstracts, p. 161.
Lim, S.S., Choi, W.J., Kwak, J.H., Jung, J.W., Chang, S.X., Kim, H.Y., Yoon, K.S. and Choi, S.M. 2007. Liquid pig manure application to crops results in specific carbon and nitrogen isotopic signatures. Eighth Conference of the East and Southeast Asian Federation of Soil Science – New Challenges for Agricultural Science: Harmonizing Food Production with the Environment. 22-23 October, 2007. Tsukuba International Congress Center, Tsukuba, Ibaraki, Japan. Abstracts, p. 201.
Kwak, J.H., Choi, W.J., Lee, K.H., Lim, S.S., Jung, J.W., Kim, H.Y., Lee, S.M. and Chang, S.X. 2007. 13C/12C, 15N/14N and Ca/Al in red pine stands as potential evidence of atmospheric changes in an industrial region. Eighth Conference of the East and Southeast Asian Federation of Soil Science – New Challenges for Agricultural Science: Harmonizing Food Production with the Environment. 22-23 October, 2007. Tsukuba International Congress Center, Tsukuba, Ibaraki, Japan. Abstracts, p. 248.
Kwak, J.H., Choi, W.J., Lim, S.S., Jung, J.W. and Chang, S.X. 2007. Composted livestock manure co-application may increase ammonia volatilization loss from urea. Eighth Conference of the East and Southeast Asian Federation of Soil Science – New Challenges for Agricultural Science: Harmonizing Food Production with the Environment. 22-23 October, 2007. Tsukuba International Congress Center, Tsukuba, Ibaraki, Japan. Abstracts, p. 250.
Close, E., Chang, S.X., Macdonald, E. and Purdy, B.G. 2007. Growth and nutritional status of aspen and white spruce on naturally saline sites in the boreal forest. The 6th North American Forest Ecology Workshop, Vancouver, B.C. June 18-20, 2007. (oral paper)
Teklay, T., Chang, S.X. and Grant, R.G. 2007. Temporal change of C and N storage in density fractions of soil from a chronosequence of hybrid poplar plantation stands. Abstracts of the 44th Annual Alberta Soil Science Workshop: The Ecology and Management of Wildland Soils. February 20-22, 2007. Radisson Hotel, Calgary, Alberta. (poster paper)
Close, E.B., Purdy, B.G., MacDonald S.E. and Chang, S.X. 2007. Growth and nutritional status of aspen and white spruce in natural saline-sodic soils of the boreal forest. Abstracts of the 44th Annual Alberta Soil Science Workshop: The Ecology and Management of Wildland Soils. February 20-22, 2007. Radisson Hotel, Calgary, Alberta. (oral paper)
Pattison, S.R., Chang, S.X. and Thomas, B.R. 2007. Greenhouse gas emissions from a hybrid poplar plantation in northern Alberta. Abstracts of the 44th Annual Alberta Soil Science Workshop: The Ecology and Management of Wildland Soils. February 20-22, 2007. Radisson Hotel, Calgary, Alberta. (poster paper)
Yasul, L.R., Chang, S.X., Arshad, M.A. and Chanasyk, D.S. 2007. Land use and landscape position effects on P mineralization rates in a riparian-agricultural landscape in central Alberta. Abstracts of the 44th Annual Alberta Soil Science Workshop: The Ecology and Management of Wildland Soils. February 20-22, 2007. Radisson Hotel, Calgary, Alberta. (oral paper)
Chang, S.X., Choi, W.J. and Bhatti J. 2007. Drainage affects N cycling in a minerotrophic peatland in central Alberta. Abstracts of the 44th Annual Alberta Soil Science Workshop: The Ecology and Management of Wildland Soils. February 20-22, 2007. Radisson Hotel, Calgary, Alberta. (oral paper)
Ok, Y.S., Chang, S.X., Feng, Y.S. and Arshad, M.A. 2007. Tree species (Pinus banksiana vs Populus tremuloides) affect soil acidification in northern Alberta. Abstracts of the 44th Annual Alberta Soil Science Workshop: The Ecology and Management of Wildland Soils. February 20-22, 2007. Radisson Hotel, Calgary, Alberta. (poster paper)
Ok, Y.S., Arshad, M.A., Chang, S.X. and Feng, Y.S. 2007. Distribution of exchangeable Al, Fe and Mn in forest soils from two contrasting watersheds in northern Alberta, Canada. The 9th International Conference on the Biogeochemistry of Trace Elements. July 15-19, 2007. Beijing, China.
2006
Ok, Y.S. and Chang, S.X. 2006. The role of N and S cycling in soil acidification in forest ecosystems in the oil sands region in Alberta. The NOxSO2 Management Working Group Workshop. November 9-10, 2006. The Marriott Hotel, downtown Calgary.
Arevalo, C.B.M., Orchansky, A.L., Price, D.T., Bhatti, J.S. and Chang, S.X. 2006. Surface and depth distribution of soil CO2 efflux and concentrations in a young hybrid poplar plantation in Northern Alberta, Canada. SSSA Annual Meeting, Indianapolis, IN. November 12-16, 2006.
Ok, Y.S., Chang, S.X. and Feng, Y.S. 2006. Sensitivity indices of acidification of some forest soils in the oil sands region in Alberta. Clean Air Strategic Alliance (CASA) Science Symposium on Nitrogen. Lake Louise, Alberta, September 27-29, 2006. (poster paper)
Cahill1, J.F., Bork, E.W., Chang, S.X., Proctor1, H.C., Wilson, S.D., Deutsch, E.S. and Attaeian, B. 2006. Assessing climate change impacts on rangeland ecosystem function. Towards a Sustainable Bioeconomy: Biosphere solutions for energy and the environment, the 2nd National Conference of BIOCAP Canada. October 31-November 1, 2006. Ottawa. (poster paper)
Saurette, D.D., Chang, S.X. and Thomas, B.R. 2006. Effects of land-use change on CO2 emissions in the Parkland region in northern Alberta. Towards a Sustainable Bioeconomy: Biosphere solutions for energy and the environment, the 2nd National Conference of BIOCAP Canada. October 31-November 1, 2006. Ottawa. (poster paper)
Choi, W.J. and Chang, S.X. 2006. Biodegradation of total petroleum hydrocarbon in co-composted gas drilling waste as affected by compost age and nitrogen fertilization. Proceedings of the Annual Meeting of Korean Society of Soil Science and Fertilizer, May 18-19, 2006, Sunchon National University, p.p. 231-232. (poster paper)
Close, E.B., Purdy, B.G., MacDonald, S.E. and Chang, S.X. 2006. Soil characteristics of naturally saline toposequences in the boreal forest. Geospatial Processes: Integrating Pedosphere, Lithosphere and Hydrosphere. Canadian Society of Soil Science and Canadian Geophysical Union joint conference, Banff, AB, May 14-17, 2006. (poster paper)
Choi, W.J., Arshad, M.A. and Chang, S.X. 2006. Nitrogen isotope signatures in grain crops treated with organic and chemical fertilizers in a four-year canola-barley-wheat-canola rotation. Frontiers of Soil Science, 18th World Congress of Soil Science, July 9-15, 2006 - Philadelphia, Pennsylvania, USA. (poster paper)
Saurette, D.D., Chang, S.X. and Thomas, B.R. 2006. Short-term effects of hybrid poplar plantation establishment on greenhouse gas emissions. Geospatial Processes: Integrating Pedosphere, Lithosphere and Hydrosphere. Canadian Society of Soil Science and Canadian Geophysical Union joint conference, Banff, AB, May 14-17, 2006. (oral paper)
Yasul, L.R., Chang, S.X., Arshad, M.A. and Chanasyk, D.S. 2006. Land use and landscape position effects on N and P supply rates within the Whitemud Creek watershed. Geospatial Processes: Integrating Pedosphere, Lithosphere and Hydrosphere. Canadian Society of Soil Science and Canadian Geophysical Union joint conference, Banff, AB, May 14-17, 2006. (poster paper)
Chang, S.X., Saurette, D., Arevalo, C., Thomas, B.R., Bhatti, J., Orchansky, A., and Price, D. 2006. Soil CO2 efflux from hybrid poplar plantations in the parkland region. Deriving Diversity on the Farm through Agroforestry. Park Town Hotel, Saskatoon, SK. March 21-22, 2006. (oral paper)
Patterson, S.J., Chanasyk, D.S., Naeth, M.A., Chang, S.X., Johnson, D.D., Baron, V.S., Jobson, A., Dzus, E., Kaiser, C., McNamara, S. and Bertschi, A. 2006. Agroforestry as a treatment alternative for municipal and industrial wastewater in Alberta. Deriving Diversity on the Farm through Agroforestry. Saskatoon, SK. March 21-22, 2006. (poster paper)
Arevalo, C.B.M., Orchansky, A.L., Bhatti, J.S., Chang, S.X. and Price, D.T. 2006. Spatial and temporal variability of soil respiration in a young hybrid poplar plantation in northern Alberta, Canada. 2006 Fluxnet-Canada Annual Meeting. Delta Victoria Ocean Pointe Resort, Victoria, BC. February 24-26, 2006. (poster paper)
Saurette, D., Chang, S.X. and Thomas, B.R. 2006. Heterotrophic and autotrophic respiration along a chronosequence of hybrid poplar plantations. Abstracts of the 43rd Annual Alberta Soil Science Workshop: Role of Land Use Practices in Greenhouse Gas Management. February 21-23, 2006. Delta Edmonton South Hotel and Conference Centre, Edmonton, Edmonton, Alberta. (oral paper)
Close, E., Purdy, B., Macdonald, E. and Chang, S.X. 2006. Soil characteristics in naturally saline toposequences of the boreal forest. Abstracts of the 43rd Annual Alberta Soil Science Workshop: Role of Land Use Practices in Greenhouse Gas Management. February 21-23, 2006. Delta Edmonton South Hotel and Conference Centre, Edmonton, Edmonton, Alberta. (oral paper)
Patterson, S.J., Chanasyk, D.S., Naeth, M.A., Baron, V.S., Jobson, A., Chang, S.X., Johnson, D.D., Kaiser, C., McNamara, S. and Bertschi, A. 2006. Use of kraft pulp mill effluent as a source of irrigation water for hybrid poplar and forage production. Abstracts of the 43rd Annual Alberta Soil Science Workshop: Role of Land Use Practices in Greenhouse Gas Management. February 21-23, 2006. Delta Edmonton South Hotel and Conference Centre, Edmonton, Edmonton, Alberta. (oral paper)
Arevalo, C.B.M., Orchansky, A.L., Bhatti, J.S., Chang, S.X. and Price, D.T. 2006. Spatial and temporal variability of soil respiration in a young hybrid poplar plantation in northern Alberta, Canada. Abstracts of the 43rd Annual Alberta Soil Science Workshop: Role of Land Use Practices in Greenhouse Gas Management. February 21-23, 2006. Delta Edmonton South Hotel and Conference Centre, Edmonton, Alberta. (poster paper)
2005
Tan, X. and Chang, S.X. 2005. Soil compaction and plant residue incorporation affect carbon and nitrogen mineralization rates in a forest soil. Abstracts of the 42nd Alberta Soil Science Workshop: Anthropogenic Impacts on Soil Ecosystems. February 14-16, 2005. Calgary, Alberta. (poster paper)
Matsushima, M. and Chang, S.X. 2005. Nitrogen dynamics and litter decomposition in a planted white spruce stand: Effects of weed control, litter removal and N fertilization. Abstracts of the 42nd Alberta Soil Science Workshop: Anthropogenic Impacts on Soil Ecosystems. February 14-16, 2005. Calgary, Alberta. (poster paper)
Arshad, M., Stewart, A., Reedyk, S., Chu, G., Townley-Smith, L., Chang, S.X. and Chanasyk, D. 2005. Effects of Riparian Ecosystem Management Practices on Soil and Water Quality. Abstracts of the 42nd Alberta Soil Science Workshop: Anthropogenic Impacts on Soil Ecosystems. February 14-16, 2005. Calgary, Alberta. (poster paper).
Purdy, B.P., Chang, S.X., Macdonald, S.E. and Close, E.B. 2005. Calibrating the land capability classification system for saline soils. Watershed Research Team Annual Meeting. Alberta Research Council, Edmonton, Alberta. January 24-25, 2005.
Saurette, D.J., Chang, S.X. and Thomas, B.R. 2005. Soil respiration in hybrid poplar plantations in northern Alberta. Capturing Canada’s Green Advantage: Biosphere Solutions for Climate Change and the Economy. BIOCAP Canada Foundation’s 1st National Conference. February 2-3, 2005, Ottawa, Ontario. (poster paper)
2004
Tan, X. and Chang, S.X. 2004. Soil compaction and plant residue incorporation affect carbon and nitrogen mineralization rates in a forest soil. 2004 Annual Meetings Abstracts, Agronomy Society of America. October 31-November 4, Seattle, Washington. (poster paper)
Choi, W.J. and Chang, S.X. 2004. Effects of co-composted drilling waste application on soil N dynamics and tree nutrition. 2004 Annual Meetings Abstracts, Agronomy Society of America. October 31-November 4, Seattle, Washington. (poster paper)
Ketilson, K. and Chang, S.X. 2004. Short-term post-fire nitrogen dynamics in a riparian mixedwood stand in Alberta. 2004 Annual Meetings Abstracts, Agronomy Society of America. October 31-November 4, Seattle, Washington. (oral paper)
Matsushima, M. and Chang, S.X. 2004. Litter layer and weed control affect soil N dynamics in a young white spruce plantation. 2004 Annual Meetings Abstracts, Agronomy Society of America. October 31-November 4, Seattle, Washington. (poster paper)
Mariani, L., Chang, S.X. and Robertson, J.A. 2004. Effects of tillage and crop residue removal on soil microbial communities in a long-term agricultural experiment. 2004 Annual Meetings Abstracts, Agronomy Society of America. October 31-November 4, Seattle, Washington. (oral paper)
Chang, S.X. and Liang, H. Long-term uptake and retranslocation of 15N-urea in a tamarack and black spruce mixedwood stand on a drained minerotrophic peatland in Alberta, Canada. P. 135, in: Programme and Abstracts, the 3rd International Nitrogen Conference: Impacts of Population Growth and Economic Development on the Nitrogen Cycle: Consequences and Mitigation at Local, Regional and Global Scales. October 12-16, Nanjing, P.R. China. (oral paper)
Chang, S.X., Zhang, M.C. and Choi, W.J. 2004. Growth and nutrient requirement of four hybrid poplar clones in a Gray Luvisol. Joint 2004 Annual General Meeting and Convention - "One Forest Under Two Flags". Edmonton, Alberta. October 2-6, 2004. (poster paper)
Tan, X., Chang, S.X. and Kabzems, R. 2004. Soil compaction and organic matter removal effects on soil microbial properties and N availability: The Boreal White and Black Spruce Long-Term Soil Productivity study. Joint 2004 Annual General Meeting and Convention - "One Forest Under Two Flags". Edmonton, Alberta. October 2-6, 2004. (poster paper)
Choi, W.J., Chang, S.X., Ro, H.M., Allen, H.L. and Kelting, D. 2004. 13C and 15N abundances of foliage, litter, and soil in a loblolly pine stand as influenced by fertilization and irrigation. Joint 2004 Annual General Meeting and Convention - "One Forest Under Two Flags". Edmonton, Alberta. October 2-6, 2004. (poster paper)
Matsushima, M. and Chang, S.X. 2004. Underground competition between Calamagrostis canadensis and Picea glauca. Joint 2004 Annual General Meeting and Convention - "One Forest Under Two Flags". Edmonton, Alberta. October 2-6, 2004. (poster paper)
Choi, W.J., Chang, S.X., Curran, M.P. and Ro, H.M. 2004. Foliar δ13C and δ15N as indicators of lodgepole pine and Douglas-fir response to soil compaction and forest floor removal. Productivity of Western Forests: A Forest Products Focus. September 20-23, 2004. Kamiche, Washington. (poster paper)
Saurette, D.D., Chang, S.X. and Thomas, B.R. 2004. Carbon sequestration in hybrid poplar plantations in northern Alberta. Proceedings of The Science of Changing Climates: Impact on Agriculture, Forestry and Wetlands. July 20-23, 2004. University of Alberta. Edmonton. p.p. 77. (poster paper)
Chang, S.X., Liang, H. and Pluth, D.J. 2004. Uptake and retranslocation of 15N-urea in a drained minerotrophic peatland: tamarack vs black spruce. Abstracts of the 41th Alberta Soil Science Workshop. February 17-19. Lethbridge, Alberta. (oral paper)
Choi, W.J., Chang, S.X., Curran, M.P. and Ro, H.M. 2004. Foliar δ13C and δ15N as integrative indicators of physiological responses of lodgepole pine (Pinus contorta) and Douglas-fir (Pseudotsuga menziesii) to soil compaction and forest floor removal. Abstracts of the 41th Alberta Soil Science Workshop. February 17-19. Lethbridge, Alberta. (oral paper)
Mariani, L. and Chang, S.X. 2004. Impacts of timber harvesting on soil respiration and microbial biomass. Abstracts of the 41th Alberta Soil Science Workshop. February 17-19. Lethbridge, Alberta. (oral paper)
Tan, X. and Chang, S.X. 2004. Does thinning affect soil microbial properties and processes in a mid-rotation lodgepole pine stand? Abstracts of the 41th Alberta Soil Science Workshop. February 17-19. Lethbridge, Alberta. (oral paper)
Matsushima, M., Chang, S.X., Lieffers, V.J. and Comeau, P.G. 2004. Effects of Calamagrostis canadensis on young Picea glauca. Abstracts of the 41th Alberta Soil Science Workshop. February 17-19. Lethbridge, Alberta. (poster paper)
Ketilson, K., Chang, S.X., Wein, R.W. and Pluth, D.J. 2004. Moisture controls on post-fire soil nitrogen dynamics in the lower foothills of Alberta. Abstracts of the 41th Alberta Soil Science Workshop. February 17-19. Lethbridge, Alberta. (poster paper)
2003
Chang, S.X., Liang, H. and Pluth, D.J. 2003. Distribution and recovery of 15N-urea in a drained minerotrophic peatland 13 years after application. 2003 Annual Meetings Abstracts, Agronomy Society of America. November 2-6, Denver, Colorado. (poster paper)
Mariani, L., Chang, S.X. and Kabzems, R. 2003. Impacts of timber harvest on soil microbial communities and activities. Canadian Society of Soil Science annual meeting. August 10-13, 2003. Montreal, Quebec. (oral paper)
Chang, S.X., Purwoto, B. and Mead, D.J. 2003. Effects of pasture species on above- and belowground tree biomass production in temperate silvopastoral systems in New Zealand. The 8th North America Agroforestry Conference. June 23-25, 2003. Oregon State University, Corvallis, Oregon. (poster paper)
Gautam, M.K., Chang, S.X., Mead, D.J., Clinton, P. W. and Roberts, E.H. 2003. First order lateral root characteristics reflect the competitiveness of Pinus radiata D. Don planting materials: an agroforestry case study. Australasian Forestry - A Strategic Vision. 27 April - 1 May. Joint Australia and New Zealand Institute of Forestry Conference. Queenstown, New Zealand. (oral paper)
Mariani, L., Chang, S.X., Slaski, J.J. and Kabzems, R. 2003. Impacts of forest harvesting on soil microbial activity and diversity in a boreal long-term soil productivity (LTSP) study site in northern British Columbia. 40th Annual Alberta Soil Science Workshop. February 18-20, 2003. Coast Terrace Inn, Edmonton. (poster paper)
Liang, H. and Chang, S.X. 2003. Response of Populus species to phosphorus and sulfur applications in a Gray Luvisol. 40th Annual Alberta Soil Science Workshop. February 18-20, 2003. Coast Terrace Inn, Edmonton. (oral paper)
Chang, S.X. 2003. Landscape control of soil N processes in forest ecosystems. Proceedings of the 40th Alberta Soil Science Workshop. February 18-20. Edmonton, Alberta, p. 261. (oral paper)
Chang, S.X. 2003. Assessing and modeling greenhouse gas emissions and carbon sequestration in hybrid poplar plantations in northern Alberta. Carbon modeling workshop organized by Alberta Pacific Forest Industries Inc., March 21, 2003. Edmonton, Alberta. (oral paper)