Datasets
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435 datasets found
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The Heritage Value of the American Eel in the St. Lawrence Valley
St. Lawrence Global ObservatoryThe EEL (Energy, Education, and Cultural Legacy of the American Eel in the St. Lawrence River) research project aims to explore the biology, socio-economic history, and heritage value of the American eel (Anguilla rostrata), a species in decline in Quebec. The…
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Portrait of Plastic Pollution in Eastern Canada: From the Great Lakes to Newfoundland
St. Lawrence Global ObservatoryThe increase in the occurrence of plastic pollution in the environment of the St. Lawrence watershed in recent decades makes it imperative to take a systemic approach to managing plastic pollution in Eastern Canada. A comprehensive assessment of the prevalence…
OtherMarine debris CSVJPEGPDFZIP -
Education and Awareness About Marine Coral and Sponge Refuges on the North Gulf Coast
St. Lawrence Global ObservatoryThe "Comité Zone d'interventio prioritaire Côte-Nord du Golfe" (ZIP CNG) was mandated by Fisheries and Oceans Canada (DFO) to conduct awareness workshops on marine coral and sponge sanctuaries in primary schools. The project involves creating outreach…
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Stakeholder Engagement and Consultation on the Impacts and Documentation Needs Related to Flood Risk in the River Estuary of the Québec City Metropolitan Area
St. Lawrence Global ObservatoryThe Québec City metropolitan area currently lacks data and a common mapping tool for flood-prone areas that would enable consistent, coordinated, and uniform management of these areas and allow for effective communication with the public regarding the risk of…
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Evaluate the Abundance of American Eels (Anguilla rostrata) and Act on the Connectivity of their Habitats, on the North Coast of the Gulf
St. Lawrence Global ObservatoryThe Comité Zone d’Intervention Prioritaire Côte-Nord du Golfe (ZIP CNG) decided to take action to help restore eel habitat connectivity on the North Shore. To this end, a two-objective project was developed for the year 2024-2025 to initiate the process: (1)…
Fish abundance and distribution CSVHTMLODSPDFZIP -
Macrofauna, Sediment Characteristics, and Benthic Biogeochemical Fluxes Across a Coastal Breakwater System
St. Lawrence Global ObservatoryThe dataset includes measurements of macrofaunal community structure (density, biomass, species richness, and functional traits), sediment characteristics (grain size distribution, porosity, organic matter content, organic carbon and total nitrogen…
OxygenNutrientsParticulate matterStable carbon isotopesInvertebrate abundance and distribution HTMLZIP -
Abundance of Benthic Macrofauna on the Coast of Placentia Bay (2019-2020)
St. Lawrence Global ObservatoryThe identity and abundance of individual benthic macrofauna (individual 2 cm) were quantified across six survey areas located along the coast of Placentia Bay, a southern embayment of the Island of Newfoundland. From early 2019 to mid 2020, surveys were…
Fish abundance and distributionInvertebrate abundance and distribution CSV -
Influence of Winter Disturbances on Eelgrass Meadow Cover and the Structure of Associated Communities in the Subarctic St. Lawrence Marine Estuary (Quebec, Canada), 2024–2025
St. Lawrence Global ObservatoryThis dataset documents the influence of winter disturbances on eelgrass meadow cover and the structure of associated benthic communities in the subarctic maritime estuary of the St. Lawrence, Quebec, Canada. Data were collected between 2024 and 2025 at Anse à…
Sea IceSeagrass cover and compositionInvertebrate abundance and distribution HTMLODSPDFZIP -
Interview with Professor Claude Comtois
St. Lawrence Global ObservatoryIn this interview, Professor Claude Comtois presents a research project funded by Transport Canada that assesses the resilience and vulnerability of the infrastructure, operations, and supply chains of the Port of Montreal in the face of climate change. By…
Inorganic Carbon PDF -
Interview with Professor Philippe Archambault
St. Lawrence Global ObservatoryIn this interview, Professor Philippe Archambault (Université Laval) presents his work on the impacts of changes in aquatic biodiversity and cumulative environmental stressors in the St. Lawrence River. His research shows that the interaction of multiple…
OxygenNutrientsSea Surface SalinitySea Surface TemperatureInvertebrate abundance and distribution PDF -
R/V Coriolis II expedition TCA-MEOPAR – COR2025 HOLOCENE SAGUENAY
St. Lawrence Global ObservatoryThis cruise report describes the R/V Coriolis II expedition TCA-MEOPAR – COR2025 HOLOCENE SAGUENAY. The mission is part of the TCA cluster 1.1. UncertainSea, workpackage Land-to-Sea, which aims to investigate land-to-ocean matter fluxes in various fjords along…
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Interview with Professor Jean-Éric Tremblay
St. Lawrence Global ObservatoryIn this interview, Professor Jean-Éric Tremblay (Université Laval) presents his work on nutrient dynamics in the St. Lawrence system, from the riverine part to the Gulf. His research reveals a major change in the ecosystem: while phosphorus inputs have been…
NutrientsNitrous oxidePhytoplankton biomass and diversity PDF -
Groundwater Flow Dynamics in Subarctic Beach Using Radioactive and Stable Isotopes, Gulf of St. Lawrence, Qc
St. Lawrence Global ObservatoryThis dataset presents a study of groundwater dynamics along a subarctic coastal environment of the St. Lawrence Gulf. For this purpose, sampling was conducted along a sandy beach located at the base of coastal cliffs in Rivière St. Jean, Quebec, Canada. Water…
Transient tracers ERDDAP -
Airborne Hyperspectral Remote Sensing of Gamache Bay with the Watersat Imaging Spectrometer Experiment (WISE)
St. Lawrence Global ObservatoryThis dataset contains the surface reflectance and water leaving reflectance computed from the airborne Watersat Imaging Spectrometer Experiment. The data was acquired by the Flight Research Laboratory of the National Research Council (Canada), the 5 july 2022…
Ocean colour HTMLPNG -
Restoring Fish Habitats in the South of the Gaspé Peninsula
St. Lawrence Global ObservatoryLasting four years (2023-2027), this fish habitat restoration project in the south of the Gaspé Peninsula aims to restore 5,500 m2 of fish habitat, carried out as part of the Aquatic Ecosystems Restoration Fund (AERF). During the first phase of this project,…
Subsurface SalinitySubsurface TemperatureFish abundance and distributionSeagrass cover and compositionInvertebrate abundance and distribution CSVHTMLODSPDFZIP -
Restoration Prioritization Strategy for the Estuaire-de-la-Rivière-Bonaventure Marine Reserve
St. Lawrence Global ObservatoryThe Restoration Prioritization Strategy for the Estuaire-de-la-Rivière-Bonaventure Marine Reserve project, conducted by the Comité ZIP Gaspésie from 2025 to 2026, aims to structure and equip decision-making in order to effectively guide restoration…
Fish abundance and distributionSeagrass cover and composition HTMLODSZIP -
Sediment Remobilization off the Deltas of the North Shore
St. Lawrence Global ObservatoryThe RQM-MEOPAR project, titled “Natural Risks Associated with Sediment Remobilization and Impacts on Primary Productivity Dynamics in the St. Lawrence Estuary,” has enabled the mapping of numerous coastal areas along the deltas of the North Shore of the St.…
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In Situ Benthic Reflectances of Gamache Bay, Anticosti Island
St. Lawrence Global ObservatoryThis dataset contains the benthic reflectance measurment made underwater (SCUBA diving) and in air, acquired in 2021, 2022 and 2023 around Gamache Bay, Anticosti Island. The data where acquired as part of the Algae-WISE project to create a database of benthic…
Ocean colour ERDDAP -
In Situ Remote Sensing Reflectance of Gamache Bay, Anticosti Island.
St. Lawrence Global ObservatoryThe primary variables of this dataset are the in situ remote sensing réflectance, the water leaving radiance, the diffuse attenuation coefficient of upwelling radiance, the water depth and canopy height of the submerged aquatic vegetation. Data was acquired…
Sea Surface SalinitySea Surface TemperatureOcean colour ERDDAP -
Rehabilitation of the Salt Marsh in the Bay of Sept-Îles: Longue-Épée Sector (2008)
St. Lawrence Global ObservatoryThe Salt Marsh Rehabilitation Project for the Bay of Sept-Îles – Longue-Épée Sector (2008) aims to find so-called “soft” solutions against salt marsh erosion in the Gulf of St. Lawrence, where ice dynamics are a major factor in erosion. The Comité ZIP…
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