Presentations

Presented as TalkPosterLecture

Christiansen CT (2016, January) Seasonal controls on litter and soil carbon and nutrient cycling in arctic tundra ecosystems – and potential impacts of climate change. Seminar talk presented to the Department of Biology at Queen’s University in Kingston, Ontario, Canada.

Christiansen CT, P Grogan (2015, August) Legacies: How will greater winter snowfall affect biogeochemical cycling in shrub tundra ecosystems during the summer, and over multiple years? Invited talk presented at the 2015 Ecological Society of America (ESA) meeting in Baltimore, Maryland, USA.

Christiansen CT, P Grogan (2015, June) Winter biogeochemical processes in the Arctic – they are cool… Talk presented at the 2015 Terrestrial Ecosystems Workshop at University of Western Ontario in London, Ontario, Canada.

Christiansen CT (2015, February) Controls on decomposition – with examples from arctic tundra ecosystems. Invited lecture presented in the undergraduate course ‘Community and ecosystem ecology’ at Queen’s University, Kingston, Canada.

Christiansen CT, D Lamhonwah, K Moniz, S Montross, P Das, V Walker, M Lafreniere, S Lamoureux, P Grogan (2014, December) Is everything everywhere? Investigating the importance of scale in spatial variability of permafrost microbial community composition and biogeochemistry. Talk presented at the 2014 Arctic Change meeting in Ottawa, Ontario, Canada.

Buell MC, L Ge, CT Christiansen, V Wright, C Elliott, S Arruda, K Foster, A Wilson, E Humphreys, P Grogan, P Lafleur (2014, December) Tundra carbon cycling from ecosystems to the landscape scale: A synthesis of ongoing terrestrial and aquatic research in a Canadian low arctic watershed. Poster presented at the 2014 Arctic Change meeting in Ottawa, Ontario, Canada.

Christiansen CT (2014, September) ‘Something’ about ecosystem ecology. Invited lecture presented in the graduate course ‘Terrestrial Ecosystems’ at Queen’s University, Kingston, Canada.

Lamhonwah D, MJ Lafrenière, SF Lamoureux, SN Montross, BB Wolfe, CT Christiansen, JE Holloway (2014, March) Seasonal evolution of active layer depth and the influence on stream water chemistry in a High Arctic watershed, Cape Bounty, Nunavut. Poster presented at the 2014 Thermokarst Aquatic ecosystems Workshop (THAW) in Quebec City, Quebec, Canada.

Christiansen CT, D Lamhonwah, S Montross, C Inglese, K Moniz, M Lafraniere, S Lamoureux, P Grogan (2013, December) What does the permafrost contain? A soil depth-specific characterization of microbial community composition and biogeochemistry in three soil cores from Cape Bounty, Melville Island, Nunavut, Canada. Poster presented at the 2013 ArcticNet meeting in Halifax, Nova Scotia, Canada.

Christiansen CT, J Neufeld, K Moniz, VK Walker, P Grogan (2013, December) What goes on beneath: Soil depth specific changes in tundra microbial communities and biogeochemistry during the seasonal thaw. Talk presented at the 2013 ArcticNet meeting in Halifax, Nova Scotia, Canada.

Kumar N, P Grogan, H Chu, CT Christiansen, K Moniz, VK Walker (2013, June) Predicting the unpredictable – more bad news for arctic soils? Poster presented at the 2013 Canadian Society of Microbiologists at Carleton University in Ottawa, Ontario, Canada.

Christiansen CT, P Grogan (2013, April) Does deepened snow affect summer-time carbon cycling in the Arctic? Talk presented at the 2013 Northern Research Day at Queen’s University in Kingston, Ontario, Canada.

Kumar N, P Grogan, H Chu, CT Christiansen, K Moniz, VK Walker (2013, April) Predicting the unpredictable – more bad news for arctic soils? Poster presented at the 2013 Northern Research Day at Queen’s University in Kingston, Ontario, Canada.

Christiansen CT, P Grogan (2013, January) Does deepened snow affect summer-time carbon balance in Canadian low arctic birch tundra? Talk presented at the 2013 Terrestrial Ecosystems Workshop at University of Western Ontario in London, Ontario, Canada.

Christiansen CT, P Grogan (2012, December) Does enhanced winter snow accumulation affect tundra carbon and nutrient dynamics during the growing season? Talk presented at the 2012 ArcticNet meeting in Vancouver, British Columbia, Canada.

Christiansen CT, P Grogan (2012, December) How does variation in soil profile biogeochemical properties affect microbial diversity and functionality in tundra soils? Talk presented at the 3rd Arctic Development and Adaptation to Permafrost (ADAPT) Workshop in Vancouver, British Columbia, Canada.

Christiansen CT, P Grogan (2012, March) Seasonality in Arctic biogeochemical dynamics. Talk presented at the Ecology, Evolution and Behaviour seminar series at Queen’s University, Kingston, ON, Canada.

Christiansen CT, P Grogan (2012, January) Litter decomposition in the Arctic – do the data match with the snow-shrub hypothesis? Talk presented at the 2012 Terrestrial Ecosystems Workshop at Queen’s University in Kingston, Ontario, Canada.

Christiansen CT (2011, June) Ecosystem trace gas exchange and soil organic matter in high arctic heath during autumn freeze-in… and during climate change. Invited lecture presented in the graduate course ‘Terrestrial Ecosystem Processes’ at University of Copenhagen, Copenhagen, Denmark.

Christiansen CT, NM Schmidt, A Michelsen (2011, May) Long term effects of climate change on high arctic heath CO2-exchange during the autumn freeze-in period. Poster and short talk presented at The Arctic as a Messenger for Global Processes – Climate Change and Pollution Conference in Copenhagen, Denmark.

Christiansen CT, NM Schmidt, A Michelsen (2010, December) Increased summer precipitation decreases soil microbial activity in high arctic dry heath in autumn. Poster presented at the 2nd International Symposium on Arctic Research (ISAR-2) in Tokyo, Japan.

Christiansen CT, NM Schmidt, A Michelsen (2010, November) Increased summer precipitation decreases microbial activity during autumn in a high arctic semi desert. Poster and short talk presented at the MicroPerm Workshop in Potsdam, Germany. Awarded the jury’s special honorable prize.

Svendsen SH, CT Christiansen, Michelsen A, NM Schmidt (2010, March) Changes in ecosystem production in a high arctic semi desert during the growing season. Poster presented at The State of the Arctic Conference, Miami, USA.

Christiansen CT, SH Svendsen, A Michelsen, NM Schmidt (2010, March) Increased summer precipitation decreases microbial activity during autumn in a high arctic semi desert. Poster presented at The State of the Arctic Conference in Miami, USA.

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