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URL: https://open.canada.ca/data/en/dataset/ae8c6577-ee59-4e63-9db8-8b29a0e07a8d
This layer represents the relative summer density of belugas in the St. Lawrence Estuary based on 35 aerial surveys carried out from 1990 to 2009. The boundaries of the areas were determined by combining the highest densities until the desired proportion of the population was obtained using kernel density estimation in order to obtain a smooth and continuous density distribution.
Within Fisheries and Oceans Canada (DFO), the ecosystem approach is considered a tool for operational planning, project implementation and preparation of advisory reports. In response to this strategic direction, the DFO science division is committed to implement the ecosystem approach in its activities as Ecosystem Research Initiatives (ERI) in each of the six administrative regions of DFO. In the Quebec region, two pilot projects were implemented, of which one aimed to define and characterize the habitat of the St. Lawrence beluga (Delphinapterus leucas).
Data sources and references:
DFO. 2016. Ecosystem Research Initiative (ERI): Integrated Advice on the Summer Habitat of the St. Lawrence Estuary Beluga (Delphinapterus leucas). DFO Can. Sci. Advis. Sec. Sci. Advis. Rep. 2016/030.
Mosnier, A., R. Larocque, M. Lebeuf, J.-F. Gosselin, S. Dubé, V. Lapointe, V. Lesage, V., H. Bourdages, D. Lefaivre, S. Senneville and C. Chion. 2016. Définition et caractérisation de l'habitat du béluga (Delphinapterus leucas) de l'estuaire du Saint-Laurent selon une approche écosystémique. Secr. can. de consult. sci. du MPO. Doc. de rech. 2016/052. vi + 93 p.
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Informations additionnelles
| Champ | Valeur |
|---|---|
| Dernière modification de la donnée | 16 janvier 2026 |
| Dernière modification de la métadonnée | 16 janvier 2026 |
| Créé le | 16 janvier 2026 |
| Format | CSV |
| Licence | License not specified |
| Datastore active | False |
| Has views | False |
| Id | 90d4db8b-2de9-4ca2-9edb-4561f993b3f3 |
| Package id | a593893e-d4c4-4a7c-8984-3425761ee290 |
| Position | 0 |
| State | active |