Fish Passage Priorities - CDFW - 2018 [ds2817]
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Man-made barriers to salmonid migration include road /stream crossings, irrigation diversions and dams. Road /stream crossings are extremely numerous and often cross...
阻碍鲑科鱼类(salmonid)洄游的人工屏障包括道路跨溪设施、引水导流设施与水坝。其中道路跨溪设施数量极为繁多,且常横跨……
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State of California


