Atlantic Ocean Watershed
The Atlantic Ocean watershed spreads over all eastern Canada and covers an area of 1.6 million km2. It is dominated by the Great Lakes, namely Lakes Superior, Erie, Huron, Michigan and Ontario, and the St. Lawrence River, and includes the lakes and the rivers from the Atlantic coast such as the Churchill River (in Labrador) and the Saint John River (in New Brunswick).
The Great Lakes are a vast shared resource containing a significant portion of the world's freshwater. They are fundamental to the well-being of many Canadians and Americans, as well as sustaining a rich variety of plants and animals. The Great Lakes provide the foundation for billions of dollars in economic activity, and they are a direct source of drinking water for millions of Canadians.
- From the city to the lake: Loadings of PCBs, PBDEs, PAHs and PCMs from Toronto to Lake Ontario (2014)
- Flame Retardants and Legacy Chemicals in Great Lakes' Water (2014)
- Are mercury levels on the rise in Lake Erie fish? (2011)
- Great Lakes (2011)
- State of the Great Lakes 2009 (2010)
- State of the Great Lakes 2009 Highlights (2010)
- Perfluoroalkyl Compounds in Sediments of Tributaries and Open-Water Areas of the Great Lakes (2009)
- Polybrominated Diphenyl Ethers in Sediments of Tributaries and Open-Water Areas of the Great Lakes (2009)
- Contaminants in Sediments of Canadian Tributaries and Open-water Areas of the Lower Great Lakes (2007)
- Niagara River Upstream/Downstream Monitoring Program Report 1999-2000 and 2000-2001 (2005)
- Lake Simcoe Clean-Up Fund Round 6 Projects (2011)
- Phosphorus and deepwater oxygen relationships in Lake Simcoe (2011)
- Special Issue of JGLR on Lake Simcoe, Ontario, Canada: Multiple stressors and management challenges for large lakes (2011)
St. Lawrence River
The St. Lawrence River harbours a complex ecosystem whose physical properties vary from upstream to downstream. It includes lakes and freshwater reaches, a long estuary, and a gulf with marine features. The area is home to richly diverse habitats and an equally rich diversity of flora and fauna.
- St. Lawrence River (2011)
- Overview of the State of the St. Lawrence River (2008)
- Fact sheets on indicators of the State of the St. Lawrence (2002 to 2008)
- Comparative study of protocols used by Réseau de suivi du benthos of Quebec Government and by Canadian aquatic biomonitoring of Government of Canada
St. Croix River
The St. Croix River watershed covers an area of 1,649 square miles (4,271 km2) along the Canada and United States border between New Brunswick and Maine. The 110-mile (185 km) St. Croix River serves as a natural boundary between Canada and the United States. Because of its strategic location, the river has played a unique role in the history of Maritime Canada and the U.S. and remains important for these reasons today (CHRS 2007).
- 2014 Annual Report of the International St. Croix River Watershed Board
- 2009 Annual Automated Water Quality Monitoring Report - St. Croix River at Milltown Dam
- 2009 Annual Automated Water Quality Monitoring Report - St. Croix River at Forest City
Saint John River
The Saint John River, which has a rich history of colonization, commercial development, forestry, agriculture, and fishing, is the largest river basin in the Maritimes at 55,100 km2. It’s headwaters originate in both the province of Quebec and the state of Maine and flows 673 km southeast through New Brunswick before reaching the Bay of Fundy.
The Churchill River, the largest river within the Atlantic provinces, drains an area nearly 80,000 km2 with an average discharge of 1,740 m3/sec. The Churchill is an important socio-economic resource as the site for Canada’s second largest hydroelectric facility, Churchill Falls, and assessments are currently underway for adding new hydroelectric facilities further downstream.
- Assessment of Wastewater Impacts in the Churchill River near Happy Valley – Goose Bay, Labrador (2011)
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