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Pacific Salmon Explorer
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Trends in Spawner Abundance

This assessment provides information on the trends in estimated spawner abundance over the long term (all years of data) and short term (most recent three generations) for the selected Conservation Unit. Linear trends are estimated on a natural log scale from smoothed spawner abundance time series.

  • Average spawner abundance per generation

Widgeon (river-type)

Sockeye
River Sockeye
Long-term trend: -20.5% change over all years
Northern Transboundary
Haida Gwaii
Nass
Skeena
Central Coast
Fraser
Vancouver Isl. & Mainland Inlets
Columbia
All Regions
Figures

Layers List

  • Conservation Unit Boundaries
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