一些高蛋白质的食品富含保护营养素，如在胡桃和鱼（如野生鲑鱼）中发现的ε-3脂肪酸。
Some high-protein foods are rich in protective nutrients, such as the omega-3 fatty acids found in walnuts and fish like wild salmon.
河流源头酸化依然是重要的鲑鱼水产业和特别保护区(例如威尔士·怀尔河)面临的一个严重问题。
Headwater acidification is still a significant problem for important salmon fisheries, and Special Areas of Conservation such as the Welsh River Wye.
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