John Hamill, a volunteer with the organization Trout Unlimited, says the experiments will help explain the current situation of all the different river resources. Then, officials can make changes based on how the river ecosystem is changing.

约翰·哈米尔是" 鳟鱼无限" 组织的一名志愿者，他说借助过去的经验，可以解释所有河流资源的现状。然后，官员可以根据河流生态系统的改变做出相应的调整。