Pacific Salmon Explorer

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(s). Linear trends are estimated on a natural log scale from smoothed spawner abundance time series.

Average spawner abundance per generation
Long-term trend (all years)
Short-term trend (most recent three generations)

Individual Conservation Units (45)

Alsek

Long-term trend: -72.6% change over all years

King Salmon

Long-term trend: 1,478.6% change over all years

Klukshu

Long-term trend: -47% change over all years

Kuthai

Long-term trend: -95.8% change over all years

Little Trapper

Long-term trend: -48% change over all years

Nesketahin

Long-term trend: -90.8% change over all years

Tahltan

Long-term trend: -18.4% change over all years

Tatsamenie

Long-term trend: 4% change over all years

Alsek

Alsek (river-type)

Alsek Summer

Blanchard

Border

Chilkat (river-type)

Christina

Chutine

Lower Stikine

Lower Stikine

Lynn Canal

Lynn Canal

Lynn Canal

Northern Transboundary Fjords (river-type)

Northern Transboundary Fjords (river-type)

Stikine Summer

Stikine Winter

Stikine-Early Timing

Stikine-Late Timing

Taku

Taku Summer

Taku Winter

Taku-Early Timing

Taku-Early Timing

Taku-Late Timing

Taku-Late Timing

Taku-Mid Timing

Taku-Mid Timing

Transboundary Fjords (even)

Transboundary Fjords (odd)

Unuk

Unuk

Unuk

Whiting

Whiting

Whiting

Whiting