As the catch declined, the skipjack became more popular, as it was smaller and cheaper to build.

However the catch per unit effort has declined from 1993-2001, as well as a decrease in size.

Over the last 20 years, as the catch declined, commercial fishermen resisted limitations.

In recent years, however, the catch has been declining.

Though biomass is increasing, catches have been declining since the 1960s and are currently almost at an all-time low.

In the past decade, the catch of salmon spending more than one year at sea has been declining.

By last year, those catches had declined to 1.5 million pounds.

The annual catch has declined from 14.6 tons in 1990 to 3.1 tons in 1994.

The two countries took that action for the sake of conservation and at the request of fishermen whose catches were declining.

Since 1989, however, the catch has declined - to an estimated 97 million tons in 1992, or 8 percent per person.