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Catalogue Entry: Relative occurrence of Northern Wolffish in the Estuary and Gulf of St. Lawrence
Spatial distribution of the relative occurrence of northern wolffish in the annual DFO groundfish research surveys conducted by the Québec (1978-2008) and Gulf (1971-2008)... -
Catalogue Entry: Ecologically or Biologically Significant Marine Areas (EBSAs), Newfoundland...
The Oceans Act (1997) commits Canada to maintaining biological diversity and productivity in the marine environment. A key component of this is to identify areas that are... -
Catalogue Entry: Coast of Bays Metrics: Geography, Hydrology and Physical Oceanography of an...
This dataset was compiled as part of a multiyear effort lead by Fisheries and Oceans Canada (DFO) to support sustainable aquaculture regulation in the Coast of Bays, an area of... -
Catalogue Entry: Lake sturgeon - Important sites - Presence, breeding, feeding, concentration - FHAMIS
Lake sturgeon's presence zones, breeding, feeding and concentration areas according to a literature review of documents produced between 1976 and 2002.Data extracted from the... -
Catalogue Entry: Fleming Survey of Juvenile Atlantic Cod in Coastal Avalon and Northeast...
The Department of Fisheries established a survey of demersal juvenile Atlantic cod (Gadus morhua) in the nearshore (<10 m deep) in 1959. This survey aimed to characterize the... -
Catalogue Entry: Floating Structures in the Pacific Northwest
These data were created under DFO’s Strategic Program for Ecosystem-based Research and Advice - Aquatic Invasive Species Program: “Evaluation of the movement of marine... -
Catalogue Entry: Sea pens significant concentration areas in the Gulf of St. Lawrence
Identification of significant concentrations of sea pens in the Gulf of St. Lawrence biogeographic unit using Kernel density estimation (KDE). This method was applied to create... -
Catalogue Entry: Spatial density models of cetaceans in the Canadian Pacific estimated from...
Many cetacean species were depleted in Canadian Pacific waters by commercial whaling, which ended in 1967. Although some populations have since shown evidence of recovery, there... -
Catalogue Entry: Important Areas for Sponge Reefs in Strait of Georgia Ecoregion
This layer details Important Areas (IAs) relevant to sponge reefs (Hexactinosida) in the Strait of Georgia (SOG) ecoregion. This data was mapped to inform the selection of... -
Catalogue Entry: Known concentration areas of the Stimpson's surfclam in the Estuary and the...
Stimpson's surfclam or Arctic surfclam (Mactromeris polynyma) concentration areas in this layer are described as being known and commercially exploited historically and/or... -
Catalogue Entry: Oceans Act Marine Protected Areas
Marine protected areas (MPAs) are one among a number of spatial management tools, and are defined as areas that are established for the long-term, and managed through legal or... -
Catalogue Entry: Historical distribution of kelp forests on the coast of British Columbia: 1858 - 1956
This dataset is a contribution to the development of a kelp distribution vector dataset. Bull kelp (Nereocystis leutkeana) and giant kelp (Macrocystis pyrifera) are important... -
Catalogue Entry: Atlantic herring - Concentration areas, spawning sites and breeding areas - FHAMIS
Atlantic herring. Concentration, breeding areas and larval retention areas of Atlantic Herring in the St. Lawrence Estuary.Data extracted from the Fish Habitat Management... -
Catalogue Entry: Known concentration areas of Arctic wedge clam in the Estuary and the Gulf...
The dataset represents known concentration areas of harvested or unharvested Arctic wedge clam (Mesodesma arctatum) in the Estuary and the Gulf of St. Lawrence, Quebec region.... -
Catalogue Entry: Atlantic sturgeon breeding, feeding and concentration areas in the fluvial...
Layer that includes the known information on the atlantic sturgeon breeding, feeding and concentration areas in the St. Lawrence River and Estuary according to a literature... -
Catalogue Entry: National Aquatic Invasive Species (AIS) Risk Assessment for Zebra (Dreissena...
Zebra Mussel (Dreissena polymorpha) and Quagga Mussel (Dreissena rostriformis bugensis) have a long history of invasion in European and North American freshwater ecosystems,... -
Catalogue Entry: Pacific Marine Ecological Classification System and its Application to the...
Description: Biophysical Units: Under the Pacific Marine Ecological Classification System (PMECS; DFO 2016; Rubidge et al. 2016), biophysical units are areas of distinct... -
Catalogue Entry: NAFO fishing division 4T Herring Spawning Grounds Acoustic Survey
In 2015, a spawning ground acoustic survey that follows the design of the fishery-independent acoustic survey was initiated. This survey is the result of a partnership between... -
Catalogue Entry: NAFO fishing division 4T Herring Science Acoustic Survey
Since 1991, an annual fishery-independent acoustic survey of early fall (September-October) concentrations of Herring has been conducted in the sGSL. The standard annual survey... -
Catalogue Entry: Vessel Traffic Routes
This service provides routeing measures. These include established (mandatory) direction of traffic flow, recommended direction of traffic flow, separation lines, separation...