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As summer progresses,
隨著夏日持續(xù)
even more of the Southern Ocean is gradually opening up.
南大洋的冰面逐漸融化
The summer melt, as it moves south,
夏季慢慢南移
arrives first at the Antarctic Peninsula,
率先來到南極半島
the most northern tip of the continent.
南極大陸的最北段
As the ice retreats, a dramatic 500-mile-long coastline
隨著冰面縮減 七個(gè)月以來
is revealed for the first time in seven months.
500英里長的廣袤海岸線首次重見天日
This new seascape is home
這片全新的海景
to one of the most numerous mammals on the planet.
為地球上數(shù)量最多的哺乳動(dòng)物提供了家園
Crabeater seals.
食蟹海豹
Over 15 million live here, amongst the drifting ice floes.
它們在漂浮的冰川上生活了一千五百萬年
They owe their existence here to living organisms so small,
它們的生存依賴與一種微小的生物體
you might hardly notice them.
這種生物體幾乎小到難以令人察覺
The underside of the sea ice is stained by algae.
浮冰的下表面充滿了藻類
These microscopic plants
這些微小的植物
support the most important Antarctic creatures of all.
養(yǎng)活了南極洲最重要的生物
Krill.
磷蝦
They have been grazing on the algal layer throughout the winter.
整個(gè)冬天 它們以海藻果腹
As the ice melts, more of the algae are released into the water.
隨著冰的消融 更多的海藻在海里生長
Both algae and krill flourish in the summer sun.
海藻和磷蝦在夏日的艷陽下大量繁殖
The krill collect the algae in the sieve-like basket
磷蝦前腿之間連接的體毛像篩狀的籃子
formed by the interlocking hairs between their front legs.
磷蝦將海藻收集在其中
