Sentence examples for decrease in fishing from inspiring English sources

This number decreased to 30 vessels during the El Niño period, an overall 40% decrease in fishing effort, and increased after El Niño conditions dissipated (Fig. S1).

The decrease in fishing during World War I allowed a recovery of fish stocks, and LPUP rebounded briefly to 30 tons in 1918.

The plans had been spurred by a large decrease in fishing during the late 1950s, and the need for increased tax revenue from new industries.

Increased natural disturbance such as storm events may however, contribute to a decrease in fishing activity as the small boats can venture out less often.

Simulating a 20% decrease in fishing mortality resulted in members of the general population weighing < 117 kg being above the TWI set by WHO.

The decrease in fishing effort by the mothership fleet which has occurred since the 1950's has therefore been accompanied by a contraction of the range of the fleet, and a contraction in the annual duration of the fishery, from 3 months in the 1970's to 8 weeks at present.

"We were surprised to see such a large decrease in fish size," says the study's lead author William Cheung.

In contrast with laboratory studies that reported a decrease in fish survival, the survival of the herring larvae in situ was significantly enhanced by 19 ± 2%.

Baird noted the decrease in fish harvests across the country — due, he believed, to overfishing — and thought a breeding program could help replenish stocks.

Unesco last month "noted with concern that the ecosystem of the lake is reported to be under significant stress" and a decrease in fish stocks is just one observable effect.

Exposure to Cd or Zn alone did not elicit any significant effect on reproductive output (cumulative egg production) relative to the control, however exposure to Cd and Zn in mixture resulted in a ~50% decrease in fish fecundity.