Cleaned spawner survey data

This dataset is a version of the New Salmon Escapement Database (NuSEDS) downloaded from Open Data Canada on January 21, 2025 at https://open.canada.ca/data/en/dataset/c48669a3-045b-400d-b730-48aafe8c5ee6.

These data have been cleaned and matched to Conservation Units (CUs) by staff at the Pacific Salmon Foundation. 

Details of the data cleaning procedure are outlined in the Pacific Salmon Explorer Technical Report (Appendix 2) available online at https://www.salmonexplorer.ca/methods/appendix-2.html.

The entire cleaning procedure is available online at a_nuseds_collation and corresponding code a_nuseds_collation.Rmd.

The procedure to match the cleaned data to CUs is available online at b_nuseds_cuid_pse and corresponding code b_nuseds_cuid_pse.Rmd. 

This revised dataset (v3, 2025-04-15) includes observed counts of zero.

This is the dataset used in Atkinson et al. 2025. Monitoring for fisheries or for fish? Declines in monitoring of salmon spawners continue despite a conservation crisis, published in the CJFAS.

The definition of the fields/columns is available at: METADATA_2_nuseds_cuid_streamid.csv