To be fair, the solution environmentalists prefer - cutting ties between the lakes and the Mississippi - would mean reconfiguring some 70 miles of canals and rivers.

公平地说，环保组织喜欢的方案-割断大湖区和密西西比之间的联系-意味着重新配置约70英里的河流和运河。

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The land between the lakes looked the same: on one side, Little Lee , frosty surface glittering in sunlight within a frame of golden reeds, streaked by long blue shadows from snow-laden trees.

河中间的那片土地看起来还是老样子，河的这一边，金黄色的芦苇的表面结上了霜，在阳光的照射下闪耀着，被厚厚的积雪压着的树投下了长长的影子。

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In arid and semiarid regions, on the other hand, the small number of lakes and the great distances between them reduce the possibilities for correlation.

另一方面，在干旱和半干旱地区，湖泊数量少，湖泊之间距离远，减少了相互关联的可能性。

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This week,we tell about the biggest system of freshwater lakes in the world, the Great Lakes between the United States and Canada.

VOA: special.2009.11.11

Under pressure from Congress, the Army Corps of Engineers has pledged to offer options for preventing species migrations between the Great Lakes and the Mississippi River watershed later this year.

WSJ: Report: Asian carp may have reached Great Lakes

In one instance, we proposed reestablishing the natural division between the Great Lakes and the Mississippi River watersheds (essentially disconnecting them) in order to restore the banks of the Chicago River.

WSJ: A Renegade Architect Connects Cities and the Natural World

The research is the first to show a direct link in Antarctica between the behaviour of the lakes and the velocity of the ice moving overhead.

BBC: Under-ice flood speeds up glacier