Protecting the great lakes monitoring invasive species in ballast water

被引:0
|
作者
Johnson, Emma [1 ]
Burkitt-Gray, Mary [1 ]
机构
[1] Johnson, Emma
[2] Burkitt-Gray, Mary
来源
| 1600年 / Compass Publications Inc.卷 / 61期
关键词
Water;
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U2 [铁路运输];
学科分类号
摘要
The Great Lakes are a chain of deep freshwater lakes in east-central North America, comprising Lakes Superior, Michigan, Huron, Erie and Ontario. With their unique ecology and vast size, they are widely regarded as one of the Earth’s great natural features. Although Lake Baikal in Russia has a larger volume of water, the combined area of the Great Lakes is over 244,000 sq. km, making them the largest surface of freshwater in the world.
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页码:23 / 26
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