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Water Science News – Fall 2011

Science information for water professionals, policy and decision makers, and others interested in effective management of Canada’s water resources

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In this Issue:

Science Notes

Recent Publications

About this e-news

Science Notes

Items in this e-newsletter with hyperlinked titles have been published recently in Environmental Science News, a web-based update on new science and technology at Environment Canada. Subscribe to the RSS Feed

Bloody Red Shrimp - An Invasive Species in the Great Lakes Now Found in the St. Lawrence River

Bloody red shrimp | © J. Marty, St. Lawrence River InstituteThe bloody red shrimp (Hemimysis anomala) has invaded all of the Great Lakes except for Lake Superior. Sampling shows the highest numbers in Canadian waters are in the Port of Montréal.  Given its high level of activity, the port could represent a key ...

Testing of oil-spill chemical dispersants | © ECOil Spill Planning in the Canadian Beaufort Sea Region

A recent workshop, Dispersant Use in the Canadian Beaufort Sea, held in Inuvik (Northwest Territories), provided major stakeholders with an understanding of chemical oil spill dispersants and considered the environmental effects and benefits of using dispersants to respond to oil spills ...

Award Presented to Environment Canada Researchers for Work on Microbial Source Tracking

A Toronto-area beach occupied by numerous gulls, and cormorants | © EC, Tom EdgeDr. Tom Edge and Stephen Hill have been awarded a Scientific and Technical Achievement Award from the United States Environmental Protection Agency for their recent research publications on microbial source tracking.  Environment Canada and United States Environmental Protection Agency researchers applied genomics techniques to discover ...

Confocal Laser Scanning Microscopy image showing general live (green) and dead (red) cells associated with eroded floc (laboratory flume experiment) | © University of Guelph, Mahendran BasuvarajIdentifying Sources of Pathogens – Role of Sediments (Interactions between Sediment and Water)

Work completed in collaboration with scientists from McMaster, Guelph, and Ryerson universities has led Dr. Ian G. Droppo to conclude that river bed sediment can represent a significant source of pathogenic organisms to the water column ...

Photo showing three species that are representative of native species (the good: logperch), invaders (the bad: Round Goby), and parasites (the ugly: Acanthocephalan) | © EC, Andrée GendronNative Species, Invaders, and Parasites: The Good, the Bad, and the Ugly

Environment Canada scientists have discovered that populations of Round Goby (Neogobius melanostomus) recently introduced in the St. Lawrence River were considerably less parasitized than two indigenous fish species, whereas the Round Goby is highly infected with parasites in its native range...

Photo of researcher in the North | © EC, P. MarshPresenting Results of Five Years of Research in the North

Improved Processes and Parameterization for Prediction in Cold Regions (2006–2011) is a research network devoted to improving understanding of cold regions hydrometeorology ...

Algae and Omega-3 Polyunsaturated Fatty Acids: A Double Edged Sword? Implications Scenic photo looking towards Lake Ontario | © Janet Jardinefor Fisheries, Foodwebs, and Foul Odours

... focused on compounds produced largely by golden algae, and showed that they can have significant and sometimes insidious socioeconomic and ecological impacts at several foodweb levels, and potentially affect recruitment success of commercially important fish species such as salmon ...

Recent Publications

State of Lake Winnipeg: 1997 to 2007 Report CoverRelease of State of Lake Winnipeg: 1999 to 2007 Report

Environment Canada and Manitoba Water Stewardship have released the State of Lake Winnipeg report, the first comprehensive assessment of the physical, chemical and biological characteristics of Lake Winnipeg since intensive monitoring began in the late 1990s. The report documents research and monitoring on Lake Winnipeg’s water quality, water levels, algae growth, climate conditions, and emerging issues, and will serve as an important reference to measure progress to restore the health of Lake Winnipeg. 

The report, a deliverable under EC's Lake Winnipeg Basin Initiative, is a collaboration by researchers from government, universities and non-governmental organizations. Lucie Levesque, Malcolm Conly and John Lawrence led EC’s efforts. Technical and highlights reports are available in CD format or online from either EC's Publication Catalogue or Manitoba Water Stewardship. CD and printed copies are also available from Nancy Hnatiuk at the Lake Winnipeg Basin Office (204-983-4819;

Physical Processes in Natural Waters

A conference proceedings of the 15th International Workshop on Physical Processes in Natural Waters, held In July in Burlington is now available. Environment Canada, in collaboration with the University of Guelph, organized the meeting, which focused on physical processes and Physical Processes in Natural Waters group photo | © ECthe linkages to ecosystem processes and water quality in lakes. Water and atmospheric scientists presented recent work on management of taste and odour problems in drinking water; dispersion of wastewater in lakes; algal bloom development; sustainable aquaculture; the impact of river plumes on nearshore water quality and attached algae in the nearshore environment; and impacts of extreme climate conditions and episodic events in the lakes. Selected presentations will be published as a special issue of the Water Quality Research Journal of Canada.

Temporal Comparison of Benthic Conditions within Two Areas of Concern

Two new publications are available that compare benthic conditions in 2009 with those from 2003 in two Areas of Concern and are available in PDF from Danielle Milani, (, 905-336-4760) of Aquatic Ecosystem Impacts Research:

Benthic invertebrate sampling in Nipigon Bay | © EC1. Nipigon Bay Area of Concern:

Milani, D., and L. Grapentine. 2011. Benthic Conditions in the Nipigon Bay Area of Concern in 2009 and Comparison to 2003. Environment Canada, National Water Research Institute, Burlington, Ontario, WSTD Contribution No. 11-076.

2. Spanish Harbour Area of Concern:

Milani, D. 2011. Benthic Conditions in the Spanish Harbour Area of Concern in 2009 and comparison to 2003. Environment Canada, National Water Research Institute, Burlington, Ontario, WSTD Contribution No. 11-070.

State of the Saint John River Report Now Available

View upstream along the Saint John River, NB | © Wendy MonkThe Canadian Rivers Institute's State of the Saint John River Report, which includes contributions from Environment Canada (Dr. Donald Baird and Dr. Wendy Monk [river habitats chapter), and Dr. Joseph Culp, Mr. Eric Luiker, and Mr. David Hryn [primary production chapter] of the Aquatic Ecosystem Impacts Research Division), is now available to download from the Canadian Rivers Institute website:

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