目前,环境专家已经提出诉讼,要求禁止美国垦务局(ＵＳＢＲ)从哥伦比亚引水用于农田灌溉的“非法”行为。他们辩护说,应增大河水流量以保护那些受到威胁和濒临灭绝的鲑鱼。这是因为水流流量的增大既有利于鲑鱼的回游,同时又使河水水温降低,适宜鱼类生长。现在还不清楚如果这个禁 At present, environmental experts have filed a lawsuit demanding that the United States Bureau of Reclamation (USBR) prohibit “illegal” activities that divert water from Colombia for farmland irrigation. They argued that river flow should be increased to protect salmon that is threatened and endangered. This is because the increase of water flow is conducive to the salmon back to swim, while reducing the river water temperature, suitable for fish growth. It is not yet clear if this ban