Shrinking krill population and rising temperatures could force Antarctic whales to migrate.
磷虾数量的减少和气温的升高可能迫使南极鲸迁徙。
The main component of the krill population was post larval stages.
样品的组成主要是幼体后期的南极磷虾。
The fear is that devastating the krill population will set in train a series of changes that will affect other creatures.
一个担心是，损坏了磷虾种群数量将引起一系列影响其它生物的变化。
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