But the biggest culprit was the Edwards Dam — a small stone-and-timber structure built in 1837 for hydropower generation that blocked the fish from reaching their spawning grounds.
但是最大的原因是在1837年由小石头和木材构建的爱德华兹水坝，它被用来水力发电，水坝阻拦了鱼群到达它们的产卵地。
On the other hand, climate change is likely to alter river discharge, impacting water availability and hydropower generation.
另一方面，气候变化会改变河道流量，进而影响水资源可用量和水力发电。
At the global level, the overall impact of climate change on existing hydropower generation may be expected to be small, or even slightly positive.
从全球层面来看，预期气候变化对现有全球水力发电的整体影响较小，甚至可能产生一些积极影响。
Buerjin County depends on hydropower generation and its key power source is Tuohongtai Hydropower Station, whose existing installed capacity approximates to 20MW.
布尔津县以水力发电为主，托洪台水电站为布尔津县的骨干电源，现有装机近两万千瓦。
Buerjin County depends on hydropower generation and its key power source is Tuohongtai Hydropower Station, whose existing installed capacity approximates to 20MW.
布尔津县以水力发电为主，托洪台水电站为布尔津县的骨干电源，现有装机近两万千瓦。
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