Petersburg Pilot -

ADFG thinks Chinook numbers in Taku may be overestimated

 

March 29, 2018



JUNEAU, Alaska (AP) – The Alaska Department of Fish and Game said it has been overestimating how many Chinook and sockeye salmon make it up the Taku River.

Department officials said the statistical bias is being corrected by new state-of-the-art studies, the Juneau Empire reported Sunday.

The department said it had been overestimating the salmon numbers by 30 to 40 percent. The estimates were conducted using a decades-old “mark-recapture” system.

Department coordinator Ed Jones said seal predation and the old system have caused much of the problem.

The department uses a series of buck...



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