Evaluate the Abundance of American Eels (Anguilla rostrata) and Act on the Connectivity of their Habitats, on the North Coast of the Gulf
The 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) validate the presence of eels in rivers with impassable barriers and characterize these barriers and the upstream habitat; (2) design eel-friendly facilities at selected dams. An inventory and characterization of upstream migration barriers was thus carried out on the Riverin River (MRC de Sept-Rivières) and the Sheldrake River (MRC de Minganie) in July and August 2024. Following the inventories, an external firm was commissioned to propose potential facilities to ensure eel migration upstream on the Riverin River.
2026 Update: Additional inventories were carried out in the summer of 2025 at the Riverin River site to gather data on eel migration at the dam and on the passability of natural barriers upstream.
Data and resources
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Archive in Darwin Core format of fish species recorded in the Riverin and Sheldrake Rivers, and the size of eels caught. Sampling events, occurrences, and…ZIP Open
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Physicochemistry of the water in the sampled sections.CSV Open
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Description of variables and the construction of identifiers.ODS Open
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Review of literature on the ecology of American eel, the status of the species, its presence on the North Shore, and the sites selected for monitoring.PDF Open
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Description of the method for detecting the presence of eel in watercourses, for characterizing impassable obstacles and for characterizing the habitat…PDF Open
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Description of the passability of the obstacles to migration and of the quality of the upstream habitat.ODS Open
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Description of the theoretical capacity of eels to swim and crawl over natural obstacles.ODS Open
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Report on activities carried out during the year 2024-2025.PDF Open
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Report on activities carried out during the year 2025-2026.PDF Open
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See the dataset on the GBIF (Global Biodiversity Information Facility) biodiversity platformHTML Open
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See the dataset on the OBIS biodiversity platform (Ocean Biodiversity Information System)HTML Open
Additional information
| DOI | https://doi.org/10.26071/1707efea-6fbb-4617 |
|---|---|
| Temporal extent | 2024-07-15 – ongoing |
| Vertical extent | 0.0 – 1.0 m |
| Date (creation) | 2024-07-15 |
| Date (publication) | 2025-10-27 |
| Date (revision) | 2026-09-30 |
| Status | onGoing |
| Update frequency | asNeeded |
| Metadata language | fr |
| Projects | Comités ZIP |
| License | Creative Commons Attribution 4.0 |
| Source metadata | ISO 19115 XML |
| Last updated | 2026-10-23 |
| Created | 2026-07-31 |
| API | package_show |