In 1959, statewide salmon harvests were about 25 million salmon a year. In 1999 (forty years later) Alaska's commercial wild salmon catch was 214 million fish, the second largest in the state's history.
Interval Basics. Swim times vary according to age and ability. In general, average lap swimmers in a 100 m pool comfortably complete a 100 m swim in two minutes. A swimmer who has an easy interval time of two minutes would consider a 100 m time of one minute 30 seconds very good.
However, where a learner. pool is provided and in larger pools, the depth. should be increased to a minimum of 1.0 m to. facilitate tumble turns. The depth of the water can also affect the. speed that swimmers can attain. Pools used. for swimming competition under FINA rules, require a minimum water depth of 1.35 m. extending from 1.0 m to at least 6.0 m from. the end wall for pools with starting blocks. Elsewhere a minimum depth of 1.0 m is required.