translation.en: But what makes the Ross Sea important is the vast sea of pack ice that in the spring and summer provides a wealth of phytoplankton and krill that supports what, till recently, has been a virtually intact near-shore ecosystem.
translation.zh: 但是罗斯海如此重要 是因为广袤海域由浮冰构成。 浮冰在春季和夏季 提供养分给浮游生物和磷虾。 直到近年它们仍支持着 一个完整的 近海生态系统。