Arctic SDI catalogue
Pacific Salmon Stock Management Units
Salmon have a complex hierarchical population structure extending from groups of salmon at individual spawning sites all the way up to taxonomic species. These independently functioning aggregates are defined as Conservation Units (CUs) in the Wild Salmon Policy. A stock management unit (SMU) is a group of one or more CUs that are managed together with the objective of achieving a joint status.
There are 69 SMUs containing 468 CUs. In 2022, eight SMUs units did not have enough information to provide an assessment. Sixty-one units were assigned a forecast. There are ongoing requests to represent salmon information for these areas. Salmon are assessed and managed at different levels for different needs. The layers in this dataset include administrative areas, stock management units, and conservation units.
The data included is a shapefile containing a single feature class layer represented in point and polygon form, as well as a csv table (attributes) to present Stock Management Unit information in a simple, visual way.
Simple
- Date ( RI_367 )
- 2024-09-05
- Date ( RI_366 )
- 2024-04-15
- Status
- completed; complété RI_593
- Maintenance and update frequency
- asNeeded; auBesoin RI_540
- Keywords
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- SMU
- CU
- stock
- outlook
- Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
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- Maps
- Salt water fish
- Geographic data
- Geographical maps
- Use limitation
- Open Government Licence - Canada (http://open.canada.ca/en/open-government-licence-canada)
- Access constraints
- license; licence RI_606
- Use constraints
- license; licence RI_606
- Spatial representation type
- vector; vecteur RI_635
- Metadata language
- eng; CAN
- Character set
- utf8; utf8 RI_458
- Topic category
-
- Boundaries
- Begin date
- 2021-04-01
- End date
- 2023-07-05
))
- Supplemental Information
-
Salmon have a complex hierarchical population structure extending from groups of salmon at individual spawning sites all the way up to taxonomic species. Their precise homing to natal streams and their death after spawning restrict gene flow among fish at different spawning locations. However, since some salmon stray, genetic exchange also occurs among fish from different persistent spawning sites (demes) in a geographic area. These interactions form a geographic network of demes and the basic level of genetic organization in Pacific salmon. The likelihood of genetic exchange decreases with increased distance between streams, or with greater physical differences between streams. Fewer strays and less genetic mixing result in less genetic similarity between fish in these streams. Eventually, as distance or environmental differences grow to severely limit gene flow, the spawning groups will function as separate lineages. These independently functioning aggregates are defined as Conservation Units in this policy. A stock management unit (SMU) is a group of one or more conservation units (CU) that are managed together with the objective of achieving a joint status.
Conservation units were published as part of the Wild Salmon Policy, these units were then grouped into stock management units by species and administrative area for management of Pacific salmon.
- Reference system identifier
- https://epsg.io / EPSG:4326 /
- Distribution format
-
-
SHP
(
unknown
)
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CSV
(
unknown
)
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PDF
(
unknown
)
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SHP
(
unknown
)
- OnLine resource
-
Pacific Salmon Stock Management Units --Shapefile
(
HTTPS
)
Dataset;SHP;eng
- OnLine resource
-
Pacific Salmon Stock Management Units
(
HTTPS
)
Dataset;CSV;eng
- OnLine resource
-
Pacific Salmon Stock Management Units - Maps
(
HTTPS
)
Supporting Document;PDF;eng
- OnLine resource
-
Pacific Salmon Stock Management Units
(
ESRI REST: Map Service
)
Web Service;ESRI REST;eng
- OnLine resource
-
Pacific Salmon Stock Management Units
(
ESRI REST: Map Service
)
Web Service;ESRI REST;fra
- OnLine resource
-
Pacific Salmon Stock Management Units - GISHub Metadata
(
HTTPS
)
Supporting Document;PDF;eng
- OnLine resource
-
Pacific Salmon Stock Management Units - GISHub Metadata
(
HTTPS
)
Supporting Document;PDF;fra
- OnLine resource
-
Data Dictionary
(
HTTPS
)
Supporting Document;CSV;eng,fra
- File identifier
- 776a7aa3-a265-4f13-827c-eb2ef1ac2889 XML
- Metadata language
- eng; CAN
- Character set
- utf8; utf8 RI_458
- Hierarchy level
- dataset; jeuDonnées RI_622
- Date stamp
- 2024-09-25T22:32:08.196Z
- Metadata standard name
- North American Profile of ISO 19115:2003 - Geographic information - Metadata
- Metadata standard version
- CAN/CGSB-171.100-2009
Overviews
Spatial extent
Provided by
