Fisheries dictionary

INSTANTANEOUS RATE OF FISHING MORTALITY

When fishing and natural mortality act concurrently, F is equal to the instantaneous total mortality rate, multiplied by the ratio of fishing deaths to all deaths. Also called: rate of fishing; instantaneous rate of fishing; force of fishing mortality.

  1. instantaneous rate of fishing mortality—used to describe the decrease in numbers of fish over time when fishing and natural mortality act concurrently Nt No e^Zt where No is the initial number and Nt is the ...Dictionary of ichthyology