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Rivers and Streams: Multi-scale Understanding and Tools

Session Organizers: Nick Jones, Stephanie Melles
Date: January 5, 8:30 – 10:30 
Location: Salon E

Summary Information

Watersheds are composed of hierarchically nested branched directional networks that present challenges in studying their function and variation at different spatial scales. Likewise, resource managers face an overwhelming complexity of information that requires understandable solutions. This symposium will focus on understanding processes across scales and types of streams to reduce complexity and provide tools for research and management.

Presentations

8:30 - 8:50: An aquatic ecosystem classification for Ontario’s rivers and streams.
N.E. Jones¹ and B.J. Schmidt¹ 

8:50 - 9:10: Identifying seasonal road salt hotspots in three urban and urbanizing stream networks.
S.J. Melles², C. Oswald⁶, and C. Ash^2,6  

9:10 - 9:30: Lake outlet effects on stream segments and watersheds.
M. Allerton⁵, N.E. Jones¹, S.J. Melles², and B.J. Schmidt¹ 

9:30 - 9:50: Spatial patterns of stable isotope ratios of C and N in Great Lake tributaries: the influence of resource subsidies and fragmentation.
M. McKenzie⁵ and N.E. Jones¹ 

9:50 - 10:10: Can measures of fish and benthic invertebrate community size structure be used as indicators in multiscale stream monitoring programs?
I. Sutton¹ and N.E. Jones¹ 

10:10 - 10:30: Can the metabolic theory improve productivity estimates of stream fish communities?
Richter, I⁷; Jackson, D.⁷; Jones, N.E.¹

¹ River and Stream Ecology Lab Ontario Ministry of Natural Resources and Forestry
² Melles Lab in Spatial Ecology, Ryerson University
³ Species Conservation Policy Branch, Ontario Ministry of Natural Resources and Forestry
⁴ Upper Great Lakes Management Unit, Ministry of Natural Resources and Forestry
⁵ Environmental and Life Sciences, Trent University
⁶ Ryerson Watershed Hydrology and Biogeochemistry, Ryerson Universit
⁷ University of Toronto