The laurentian great lakes: A biogeochemical test bed

Physics & Astronomy

• Great Lakes (North America) 100%
• lakes 66%
• biogeochemistry 62%
• test stands 60%
• eutrophication 19%
• life support systems 18%
• recovery 16%
• economy 12%
• economics 10%
• oceans 10%
• phosphorus 9%
• histories 8%
• damage 7%

Earth & Environmental Sciences

• lake 29%
• test 19%
• biogeochemistry 18%
• environmental damage 6%
• economic activity 5%
• eutrophication 5%