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Old 08-25-2019, 05:38 PM
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biggyJ biggyJ is offline
 
Join Date: Jun 2011
Location: Calgary SW
Posts: 326
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Ravyak

Exactly, I understand the gist. Higher numbers = More fish.

But I was more interested in the formula used to calculate the value (I agree it’s not as simple as counting how many fish are in the net)

Lots of variables at play,
Soak time
Sq ft of net
Width of river
Time of day
Tide schedule
Sets per day

Knowing how they cone up with the number might reveal more info beyond the actual released stat.

Further: How does the cumulative index number correlate to actual fish numbers in a given year?

Steelhead test Fishery cumulative for 2018 was 180.5

Does this mean 180, 1800, 18000 Steelhead returning to the Skeena in 2018?
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