Symposia Details
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Impacts of Climate Change in Aquatic Ecosystems
Session Chairs:
Date: January 4, 13:20 – January 5, 11:40
Location: Salon F
Summary Information
Regional climate change is an important stressor on most aquatic ecosystems, influencing their physical, chemical, and biological characteristics. Studying the effect of climate change on aquatic ecosystems is particularly important for the implementation of successful mitigation and adaptation strategies, and to better predict future ecological trajectories. However, in a multi-stressor era soon to become the Anthropocene, it is often difficult to disentangle the effect of climate change from other anthropogenic stressors, as well as identify the mechanisms responsible for climate-induced changes in aquatic systems. In this session, we invite presenters to share the innovative techniques and study design they use to disentangle climate impacts from localized stressors on aquatic ecosystems. Moreover, presentations will highlight the value of long-term observations at local, regional, and global scales.
Presentations
Friday, January 4
13:20 - 13:40: The role of climate and lake size in regulating the phenology of ice-cover
Higgins, S.N.*, Desjardins, C., Drouin, H., Hrenchuk, L., van der Sanden, J.
13:40 - 14:00: Are lakes browning or re-browning? Impact of atmospheric deposition and climate change on long-term lake-water organic carbon levels in Ontario lakes
Meyer-Jacob, C.*, Labaj, A.L., Paterson, A.M., Michelutti, N., Cumming, B.F., Keller, W., Smol, J.P.
14:00 - 14:20: Can we track the effect of warming on the cladoceran communities of minimally-impacted lakes?
Barouillet C., Meyer-Jacob C., Mushet G. R., Hennesy S., Bertin A., Cumming B. F.
14:20 - 14:40: Effects of photodegraded dissolved organic matter on phytoplankton
Sherbo, B.*; Higgins, S.N.; Hann, B.J.
14:40 - 15:00: Effect of dissolved organic matter on red and green phenotypes of Pseudanabaena
Chemali, C.*, Creed, I.F., Trick, C. G.
15:00 - 15:30: Nutrition Break (Ballroom 2-3)
15:30 - 15:50: The interactions between eutrophication and climate change on the role of inland aquatic systems in the global carbon cycle
Prairie, Y.T.
15:50 - 16:10: Impact of glacial meltwater fluxes to carbon cycling dynamics in the Lake Hazen watershed of the Canadian high Arctic
16:10 - 16:30: Benthic assemblages as biological indicators of altered hydrological connectivity in a climate-sensitive delta floodplain - 5 years of monitoring lakes in the Mackenzie Delta, NT
Scott, R.W.*, Tank, S.E., Wang, X., Quinlan, R.
16:30 - 16:50: Investigating Landscape Drivers of Spatial Variability in Subarctic Lakes Responses to Permafrost Thaw
Coleman, K.A.*; Korosi, J.B.
16:50 - 17:10: Sedimentomics: A systematic biomarker discovery method with applications for paleolimnological reconstructions of Arctic treeline dynamics
Bell, M.*; Saleem, S.; Korosi, J.; Kimpe, L.; Blais, J.M.
Saturday, January 5
8:30 - 8:50: Permafrost thaw slumping structures zooplankton community composition in western Canadian Arctic lakes
Auger, B.*, Victor, J., Thienpont, J.R., Kokelj, S.V., and Korosi, J.B.
8:50 - 9:10: Elucidation of synergistic impacts of climate changes and regional anthropogenic disturbance on arctic great lake ecosystems
Zhu, X.
9:10 - 9:30: Historical changes in thermal regime and its influence on abundance and community structure of Kawartha Lakes piscivore communities
Fox, M.G.*
9:30 - 9:50: The cellular stress response to an acute heat shock in larval sea lamprey with potential ecological consequences in a warming world
Sutherby, J.S.*; Birceanu, O.; Wilkie, M.P.; and Jeffries, K.M.
9:50 - 10:10: Considering the cumulative effects of environmental, biological and anthropogenic stressors on walleye productivity
Jarvis, L.*; Chu, C.; McMeans, B.
10:10 - 10:30: Recreational angler perceptions in a changing word: implications for recreational fisheries management and policy development
Jeanson, A. L.*, Cooke, S. J., Young, N.
10:30 - 11:00: Nutrition Break
11:00 - 11:20: Guiding principles for preventing cyanobacteria blooms in a changing climate: Integrating nutrient limitation and sediment redox science into watershed management
Molot, L.A.*, S.L. Schiff, J.J. Venkiteswaran, H.M. Baulch, S.N. Higgins, A. Zastepa, M.J. Verschoor, D. Walters
11:20 - 11:40: Parsing out the influence of climate: What is driving recent cyanobacterial growth in the St. Lawrence River?
Moir, K.E.*; Cumming, B.F.