Over the past 10 to 15 years, the proportion of overexploited and depleted stocks has remained unchanged, after showing a marked increase during the 1970s and 1980s.
过去10至15年，被过度捕捞和耗竭的鱼类种群比例没有变化，而此前在1970年代和1980年代出现了明显增加。