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Mystery Beneath the Ice PDF พิมพ์ อีเมล
เขียนโดย Administrator   
วันพุธที่ 03 กุมภาพันธ์ 2016 เวลา 04:29 น.

Iceberg, Western Antarctica

Iceberg, Western Antarctica

 
 
 
 
 
 
Petermann Island, Antarctic Peninsula, Antarctica 
Petermann Island, Antarctic Peninsula, Antarctica
 
 
 
 
 
 
 
 
Icebergs at Dusk, Antarctic Sound, Antarctica 

Icebergs at Dusk, Antarctic Sound, Antarctica

 
 
 
 
 
 
 





 

What’s behind the death of a tiny creature with an outsized role in the Antarctic?

 

 

 

          Tiny, transparent, and threatened, krill are crucial to the Antarctic ecosystem. But the population of krill is crashing for reasons that continue to baffle the experts. A leading theory says that krill’s life cycle is driven by an internal body clock that responds to the waxing and waning of the Antarctic ice pack, and as climate change alters the timing of the ice pack, their life cycle is disrupted. To test it, NOVA travels on the Polarstern, a state-of-the-art research vessel, to the frigid ice pack in the dead of winter. From camps established on the ice, scientists dive beneath the surface in search of the ice caves that shelter juvenile krill during the winter. There, they hope to discover what’s causing the krill to vanish and, ultimately, how the shifting seasons caused by climate change could disrupt ecosystems around the world.
 
 
 
 
          Scientists search for the killer decimating the population of shrimp-like creatures in Antarctica.
 

 

Boating the Yalour Islands, Antarctica

Boating the Yalour Islands, Antarctica 

 

 

 

 

 

Adelie Penguins, Antarctica  

Adelie Penguins, Antarctica 

 

 

 

 

Weddell Seal and Pup, Antarctica 

Weddell Seal and Pup, Antarctica

 

 

 

 

Broken Fast, Ice Under the Midnight Sun and Impending Storm Edward VIII, Bay Kemp Coast, Antarctica 

Broken Fast, Ice Under the Midnight Sun and Impending Storm Edward VIII, Bay Kemp Coast, Antarctica

 

 

 

 

 Emperor Penguin Colony, Cape Roget, Ross Sea, Antarctica

 Emperor Penguin Colony, Cape Roget, Ross Sea, Antarctica 

 

 

 

 

Dumont D'Urville Terre Adelie Coast, East Antarctica 

Dumont D'Urville Terre Adelie Coast, East Antarctica

 

 

 

 

Aurora Australis Over the Bellingshausen Sea, Ellsworth Land Region, Antarctica 

Aurora Australis Over the Bellingshausen Sea, Ellsworth Land Region, Antarctica

 

 

 

 

Swimming Emperor Penguins, Antarctica 

Swimming Emperor Penguins, Antarctica

 

 

 

 

 

Seals at the South Pole, Antarctica 

Seals at the South Pole, Antarctica

 

 

 

 

Eroded Iceberg in the Lemaire Channel, Antarctica

Eroded Iceberg in the Lemaire Channel, Antarctica

 

 

 

 



แก้ไขล่าสุด ( วันพุธที่ 03 กุมภาพันธ์ 2016 เวลา 05:21 น. )
 

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