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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

Individual Conservation Units (44)

Great Central

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

Nimpkish

Sockeye
Lake Sockeye
Long-term trend: -46.9% change over all years

Sakinaw

Sockeye
Lake Sockeye
Long-term trend: -99.8% change over all years

Sproat

Sockeye
Lake Sockeye
Long-term trend: 84.7% change over all years

Alice

Sockeye
Lake Sockeye
DATA DEFICIENT

Canoe Creek

Sockeye
Lake Sockeye
DATA DEFICIENT

Cecilia

Sockeye
Lake Sockeye
DATA DEFICIENT

Cheewat

Sockeye
Lake Sockeye
DATA DEFICIENT

Clayoquot

Sockeye
Lake Sockeye
DATA DEFICIENT

Deserted

Sockeye
Lake Sockeye
DATA DEFICIENT

East Vancouver Island & Georgia Strait (river-type)

Sockeye
River Sockeye
DATA DEFICIENT

Fairy

Sockeye
Lake Sockeye
DATA DEFICIENT

Fulmore

Sockeye
Lake Sockeye
DATA DEFICIENT

Henderson

Sockeye
Lake Sockeye
DATA DEFICIENT

Hesquiat

Sockeye
Lake Sockeye
DATA DEFICIENT

Heydon

Sockeye
Lake Sockeye
DATA DEFICIENT

Hobiton

Sockeye
Lake Sockeye
DATA DEFICIENT

Ida-Bonanza

Sockeye
Lake Sockeye
DATA DEFICIENT

Jansen

Sockeye
Lake Sockeye
DATA DEFICIENT

Kakweiken

Sockeye
Lake Sockeye
DATA DEFICIENT

Kanim

Sockeye
Lake Sockeye
DATA DEFICIENT

Kennedy

Sockeye
Lake Sockeye
DATA DEFICIENT

Loose

Sockeye
Lake Sockeye
DATA DEFICIENT

Mackenzie

Sockeye
Lake Sockeye
DATA DEFICIENT

Maggie

Sockeye
Lake Sockeye
DATA DEFICIENT

Megin

Sockeye
Lake Sockeye
DATA DEFICIENT

Muchalat

Sockeye
Lake Sockeye
DATA DEFICIENT

Muriel

Sockeye
Lake Sockeye
DATA DEFICIENT

NW Vancouver Island (river-type)

Sockeye
River Sockeye
DATA DEFICIENT

Nahwitti

Sockeye
Lake Sockeye
DATA DEFICIENT

Nitinat

Sockeye
Lake Sockeye
DATA DEFICIENT

O'Connell

Sockeye
Lake Sockeye
DATA DEFICIENT

Park River

Sockeye
Lake Sockeye
DATA DEFICIENT

Phillips

Sockeye
Lake Sockeye
DATA DEFICIENT

Power

Sockeye
Lake Sockeye
DATA DEFICIENT

Quatse

Sockeye
Lake Sockeye
DATA DEFICIENT

Schoen

Sockeye
Lake Sockeye
DATA DEFICIENT

Shushartie

Sockeye
Lake Sockeye
DATA DEFICIENT

Southern Fjords (river-type)

Sockeye
River Sockeye
DATA DEFICIENT

Tzoonie

Sockeye
Lake Sockeye
DATA DEFICIENT

Vernon

Sockeye
Lake Sockeye
DATA DEFICIENT

West Vancouver Island (river-type)

Sockeye
River Sockeye
DATA DEFICIENT

William-Brink

Sockeye
Lake Sockeye
DATA DEFICIENT

Woss

Sockeye
Lake Sockeye
DATA DEFICIENT
Northern Transboundary
Haida Gwaii
Nass
Skeena
Central Coast
Fraser
Vancouver Isl. & Mainland Inlets
Columbia
All Regions
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