60年代开始,我国的海洋捕捞业得到了迅速发展,捕捞产量也随之大幅度地提高。但由于人们在捕捞技术不断先进的过程中,盲目地增加渔船、渔具,酷渔滥捕现象日趋严重,造成了捕捞过度,渔业资源受到严重破坏,80年代以后传统的捕捞业逐渐衰落。广东沿海的二长棘鲷就是一个很好的例子,从其产量的变化便可直接反映资源量的变化,1972年 Since the 1960s, China’s marine fishing industry has witnessed rapid development, and its fishing output has also risen substantially. However, due to the continuous improvement of fishing technologies, the blind increase of fishing vessels, gear, and over-fishing of fishing gear has led to over-exploitation and serious damage to fishery resources. The traditional fishing industry gradually declined after the 1980s. Two long-billed sea breams along the coast of Guangdong are a good example of this, and the changes in resources can be directly reflected from changes in their yields. In 1972