The counting stations were intended to provide harvest managers with data they needed to manage the salmon fisheries , but they missed much of the escapement .
Escapement is the proportion of spawning stock which survives fishing pressure during a salmon run .
The counting stations were intended to provide harvest managers with data they needed to manage the salmon fisheries , but they missed much of the proportion .
Escapement is the proportion of spawning stock which survives fishing pressure during a salmon run .