渔事焦点:为了拯救蛙鱼和虹鳟所做的努力,一座开放海域养鱼场引起的  

Fish Focus:An eflfort to save salmon and steelhead,and controversy concerning an open-ocean

作　　者：Lynda V.Mapes 

机构地区：[1]不详

出　　处：《空中英语教室（高级版．彭蒙惠英语）》2021年第3期34-36,47,48,共5页Studio Classroom

摘　　要：[Federal officials have approved a program]to kill up to 840 sea lions in a portion of the Columbia River and its tributaries over the next five years to boost the survival of salmon and steelhead at risk of extinction.

关 键 词：虹鳟 BOOST 蛙鱼 

分 类 号：S91[农业科学—水产科学]