brings huge quantities of food into these high rivers that normally struggle to support much life. 于是这些平常只能勉强维持众多动物生计的 高山河流终于有了提供饕餮大餐的机会
These salamanders have an exceptionally slow metabolism. 大鲵的新陈代谢十分缓慢
They're the only large predator in these icy waters. 它们是这些冰水中唯一的大型掠食动物
Usually, these mountain streams only provide enough food for small animals to survive. 通常 山涧提供的食物 只能维持小型动物生存
Invertebrates dominate these upper reaches. 无脊椎动物统治着上游河段
Yet these precious waters are rich with surprise. 可是这些珍贵的淡水中却充满了惊奇
These forests are a host to a rich variety of springtime migrants. 这些灌木林也是许多种春季候鸟的家园