Oke and her team calculated that catching smaller fish may have already slashed the value of Alaska's commercial salmon fisheries by 21%.

Oke 和她的团队计算出，捕捉较小的鱼，可能已经把阿拉斯加鲑鱼商业渔业的价值削减了21%。

Oke and her team calculated that catching smaller fish may have already slashed the value of Alaska's commercial salmon fisheries by 21 percent.

奥克和她的团队计算出，捕捞较小的鱼可能已经将阿拉斯加商业鲑鱼渔业的价值削减了 21%。

A salmon fishery pays a rent; and rent, though it cannot well be called the rent of land, makes a part of the price of a salmon, as well as wares and profit.

鲑鱼渔业支付租金； 地租虽然不能称为土地地租， 但也是鲑鱼、商品和利润的一部分价格。

To assess the survival rates of killer whales in lean years, the study examined census data for two populations, of Washington State and British Columbia, as well as annual catch numbers from chinook salmon fisheries in the Pacific Northwest.

为了评估虎鲸在淡季的存活率，该研究调查了美国华盛顿州和加拿大不列颠哥伦比亚省沿岸两个虎鲸种群的统计数据，以及太平洋西北部奇努克鲑鱼渔场的年度捕获量。