I do not know what the cause was; it could have been a fishing mortality, old age, or some other accident.

Population dynamics - The study of fish populations and how fishing mortality, growth, recruitment, and natural morality affect them.

Management of shad has called for more conservative regulations, as well as policies to help the species obtain a lower fishing mortality.

Constant catch and constant fishing mortality are two types of simple harvest control rules.

This helps limit fishing mortalities of sturgeon to bycatch.

Fisheries scientists define the rate at which the stock is removed by fishing as the fishing mortality.

"The fishing mortality has never been this high."

The Commission indicated earlier that only about 20% of the desired reduction in fishing mortality will be achieved by the application.

This should not be reviewed, at least until other management measures are in place to reduce their fishing mortality.

The one readily available course of action for those whose job it is to protect the species was to curtail fishing mortality drastically.