由于恢复了控制努力,帮助保护鱼类和渔业经济,大湖区的海灯数目正在下降。
Sea lamprey numbers in the Great Lakes are dropping due to resumed control efforts, helping protect fish and fishing economies.
大湖地区的侵袭性海种群随着大流行中断后控制工作恢复而减少,数量恢复到大流行前的水平,除上湖以外的大多数湖泊呈下降趋势.
Invasive sea lamprey populations in the Great Lakes have declined as control efforts resumed after pandemic disruptions, with numbers returning to pre-pandemic levels and showing a downward trend across most lakes except Lake Superior.
大湖渔业委员会与美国和加拿大机构合作,使用灯具和障碍物瞄准少年灯泡,帮助保护本地鱼类和区域渔业经济。
The Great Lakes Fishery Commission, working with U.S. and Canadian agencies, uses lampricide and barriers to target juvenile lamprey, helping protect native fish and the regional fishing economy.
官员继续压力调控对防止生态和经济损害至关重要。
Officials stress continued management is essential to prevent ecological and economic damage.