Name: Distribution et abondance du Phoque commun dans l'estuaire et le golfe du Saint-Laurent, incluant la rivière Saguenay

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Description: #Français Cette couche représente la distribution et abondance des phoques communs (Phoca vitulinaconcolor)dans l'estuaire et le golfe du Saint-Laurent ainsi que dans la rivière Saguenay. La plupart des données proviennent de relevés aériens effectués à marée basse en juin et en août de 1994 à 1997, 2000 et 2001. Ces périodes correspondent respectivement à la mise bas et à la mue, périodes où les phoques utilisent intensivement les échoueries. Les polygones de cette couche de données représentent la distribution et l’abondance moyenne du phoque commun pour tous les inventaires aériens (tables 3 et 5, figures 3 et 5 de Robillard et al. 2005). Dans l'estuaire, les zones d'abondance élevée ont plus de 30 individus, les zones d'abondance moyenne ont entre 10 et 30 individus et les zones d'abondance faible ont moins de 10 individus. Dans le golfe, les zones d'abondance élevée ont plus de 50 individus et les zones d'abondance moyenne à faible ont moins de 50 individus.Des données non publiées de suivi du phoque commun provenant conjointement de ParcsCanada et de la Sépaq ont aussi servi à identifier des zones d'échoueries importantes dans le secteur du fjord du Saguenay etde la batture de la Pointe-aux-Vaches,qui ont été catégorisée dans le présent jeu de données comme des zones abondance élevée. #English This layer represents the Harbour seal (Phoca vitulinaconcolor) distribution and abundance in the Estuary and Gulf of St. Lawrenceand in the Saguenay River. Most of the data were collected during aerial surveys carried out at low tides during June and August 1994-1997, 200 and 2001. June and August are respectively pupping and moulting seasons, when the haulout sites are intensively used by seals. Features in this layer show the harbour seal distribution and the mean abundance for all aerial surveys (tables 3 and 5, figures 3 and 5 from Robillard et al. 2005). In the estuary, areas of high abundance have more than 30 individuals, areas of medium abundance have between 10 and 30 individuals and areas of low abundance have fewer than 10 individuals. In the Gulf, areas of high abundance have more than 50 individuals and areas of medium to low abundance have fewer than 50 individuals. Unpublished data obtained from ParksCanada and Sepaq were also used to identify important haulout areas in the Saguenay Fjord sector and in Pointe-aux-Vaches tidal flat sectors, which have been categorized in this dataset as high abundance areas.

Service Item Id: fcd85361824e444583e911526eebc3eb

Copyright Text: Sources de données: Parcs Canada. 2021. Communication personnelle. Données du suivi du phoque commun sur la batture de la Pointe-aux-Vaches. Parcs Canada et SÉPAQ. 2020. Données du suivi du phoque commun dans le fjord du Saguenay. Données non publiées. Robillard, A., V. Lesage, and M.O. Hammill. 2005. Distribution and abundance of harbour seals (Phoca vitulina concolor) and grey seals (Halichoerus grypus) in the Estuary and Gulf of St. Lawrence, 1994–2001. Can. Tech. Rep. Fish. Aquat. Sci. 2613: 152 pp.

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