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Found 10 records similar to Coastal and epipelagic habitats of the St. Lawrence Estuary and Gulf - Database

Federal

Fisheries and Oceans Canada (DFO) conducts an annual multidisciplinary scientific survey with a bottom trawl in the Estuary and the northern Gulf of St. Lawrence since 1978. Over the years this survey has been conducted on four vessels: the MV Gadus Atlantica (1978-1994), the MV Lady Hammond (1984-1990), the CCGS Alfred Needler (1990-2005) and the CCGS Teleost (2004-2021). It is important to note that the objectives, the methods used and the identification of the species during these surveys have improved over time in response to DFO requests and mandates. The data are therefore not directly comparable between these surveys.

Last Updated: Nov. 1, 2022
Date Published: Jan. 1, 2019
Organization: Fisheries and Oceans Canada
Formats: PDF CSV HTML ESRI REST
Keywords:  St. Lawrence Estuary, Gulf of St. Lawrence, Groundfish; Shrimp; Multidisciplinary survey; Teleost, Oceans, Marine biology, Fish, Aquatic wildlife, Fisheries management, Aquatic ecosystems
Federal

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.

Last Updated: May 31, 2022
Date Published: Jan. 1, 2022
Organization: Fisheries and Oceans Canada
Formats: SHP CSV ESRI REST
Keywords:  Quebec, Estuary of St. Lawrence, Beluga whale, Whale, Summer, relative density, Delphinapterus leucas, urn:lsid:marinespecies.org:taxname:137115, Marine mammals
Federal

This layer represents the relative summer density of beluga calves 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 as 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.

Last Updated: May 31, 2022
Date Published: Jan. 1, 2022
Organization: Fisheries and Oceans Canada
Formats: SHP CSV ESRI REST
Keywords:  Quebec, Estuary of St. Lawrence, Whale, Marine mammals, Beluga whale, Calves, Delphinapterus leucas, urn:lsid:marinespecies.org:taxname:137115, Aquatic animals
Federal

2011 to 2020 pelagic fish abundance in the Estuary and the Gulf of St. Lawrence. The abundance is expressed as a number of individuals per normalized trawl set. Each species is individually represented in the northern Gulf and in the southern Gulf. Input data are from the annual August (North) and September (South) multidisciplinary surveys.

Last Updated: May 5, 2022
Date Published: Jan. 1, 2019
Organization: Fisheries and Oceans Canada
Formats: CSV ESRI REST
Keywords:  pelagic fishes, distribution, abondance, Gulf of St. Lawrence, St. Lawrence Estuary, Earth sciences, Aquatic wildlife, Salt water, Salt water fish
Federal

2011 to 2020 demersal fish abundance in the Estuary and the Gulf of St. Lawrence. The abundance is expressed as a number of individuals per normalized trawl set. Each species is individually represented in the northern Gulf and in the southern Gulf. Input data are from the annual August (North) and September (South) multidisciplinary surveys.

Last Updated: May 5, 2022
Date Published: Jan. 1, 2019
Organization: Fisheries and Oceans Canada
Formats: CSV ESRI REST
Keywords:  demersal fishes, distribution, abondance, Gulf of St. Lawrence, St. Lawrence Estuary, Salt water, Oceans, Earth sciences, Aquatic wildlife
Federal

This layer represents the seasonal distribution of St. Lawrence Estuary beluga whale population (Delphinapterus leucas). Summer distribution is based on many surveys conducted between the end of August and early September. Fall and winter distributions are based on aerial surveys conducted during mid-October, November and from December to March 1989-1990. Spring distribution is based on anecdotal reports and two aerial surveys conducted in late April and early June 1990.

Last Updated: May 31, 2022
Date Published: Jan. 1, 2022
Organization: Fisheries and Oceans Canada
Formats: SHP CSV ESRI REST
Keywords:  Quebec, Estuary of St. Lawrence, Whale, Marine mammals, Seasonal distribution, Beluga whale, Delphinapterus leucas, urn:lsid:marinespecies.org:taxname:137115, Aquatic wildlife
Federal

Ministerial Appearance at the House of Commons Standing Committee on Fisheries and Oceans, April 13, 2022

Last Updated: Jul. 5, 2022
Date Published: Jul. 5, 2022
Organization: Fisheries and Oceans Canada
Formats: HTML
Keywords:  capelin, fisheries, Gulf of St. Lawrence
Federal

This layer represents the seasonal distribution of the St. Lawrence Estuary beluga whale population (Delphinapterus leucas). Three groups are represented: females with calf, adult males and mixed sectors. Herd distribution was defined using Fisheries and Oceans Canada (DFO) published data about beluga whales (see references). Herd distribution areas are only valid during the summer, and the uses of these areas by the herds are unknown.

Last Updated: May 31, 2022
Date Published: Jan. 1, 2022
Organization: Fisheries and Oceans Canada
Formats: SHP CSV ESRI REST
Keywords:  Quebec, Estuary of St. Lawrence, Marine mammals, Whale, Distribution, Summer, Herds, Beluga, Delphinapterus leucas
Federal

Deep water (> 200 m) dissolved oxygen interpolated on a grid cell of 10 km x10 km in the Estuary and Gulf of St. Lawrence. Input data are from the annual August multidisciplinary survey hold in 2011 to 2020. Purpose

Since 1990, the Department of Fisheries and Oceans has been conducting an annual multidisciplinary survey in the Estuary and northern Gulf of St. Lawrence using a standardized protocol. These surveys are an important source of information about the status of the marine ressources.

Last Updated: May 2, 2022
Date Published: Jan. 1, 2018
Organization: Fisheries and Oceans Canada
Formats: CSV ESRI REST
Keywords:  Oxygen, Ocean chemistry, St. Lawrence Estuary, Gulf of St. Lawrence, Earth sciences, Oceanography, Salt water, Oceans
Federal

Gridded pH of the Estuary and Gulf of St. Lawrence bottom waters including shallow waters. Data are a result of a 3D interpolation on a 1km x 1km x bottom depth grid. All the available CTD data sampled during the 2017 August and September multidisciplinary surveys were used. Purpose

Since 1990, the Department of Fisheries and Oceans has been conducting an annual multidisciplinary survey in the Estuary and northern Gulf of St. Lawrence using a standardized protocol.

Last Updated: Sep. 20, 2019
Date Published: Jan. 1, 2018
Organization: Fisheries and Oceans Canada
Formats: ESRI REST
Keywords:  Water pH, Ocean Chemistry, St. Lawrence Estuary, Gulf of St. Lawrence, Earth sciences, Oceanography, Oceans, Salt water, Chemistry
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