Pacific Herring Spawn Index Data

Description

Pacific Herring spawn index data for British Columbia from 1951 to present. Note that the spawn index is a relative index of spawning biomass. In addition, “NA" indicates that data are unavailable because they are either incomplete or withheld; contact the custodian for more information. For the "Region" column specifically, "NA" indicates that the location is outside stock assessment region boundaries. There are a few caveats to consider when interpreting Pacific Herring spawn index data, which are discussed in the technical report (see supporting documents).

Resources

Name Format Description Link
Data Dictionary PDF https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/d892511c-d851-4f85-a0ec-708bc05d2810/attachments/Data_dictionary_EN_FR_Pacific_herring_SID.pdf
Pacific Herring Section Maps PDF https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/d892511c-d851-4f85-a0ec-708bc05d2810/attachments/Pacific_Herring_Section_Maps.pdf
Pacific Herring spawn index data CSV https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/d892511c-d851-4f85-a0ec-708bc05d2810/attachments/Pacific_herring_spawn_index_data_2025_EN.csv
Pacific Herring spawn index data CSV https://api-proxy.edh-cde.dfo-mpo.gc.ca/catalogue/records/d892511c-d851-4f85-a0ec-708bc05d2810/attachments/Pacific_herring_spawn_index_data_2025_FR.csv
Pacific Herring Spawn Index Data Ersi REST https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/pacific_herring_spawn_index_data/MapServer
Pacific Herring Spawn Index Data Ersi REST https://egisp.dfo-mpo.gc.ca/arcgis/rest/services/open_data_donnees_ouvertes/pacific_herring_spawn_index_data/MapServer
SpawnIndex R Package HTML https://github.com/grinnellm/SpawnIndex
Pacific Herring Spawn Survey Manual PDF https://waves-vagues.dfo-mpo.gc.ca/library-bibliotheque/40897874.pdf
Canadian Technical Report of Fisheries and Aquatic Sciences 3489 PDF https://waves-vagues.dfo-mpo.gc.ca/library-bibliotheque/41216787.pdf

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