Identification of factors constraining nitrate assimilation in Lake Superior, Laurentian Great Lakes

Agriculture & Biology

• Lake Superior 100%
• Great Lakes 84%
• assimilation (physiology) 61%
• nitrates 55%
• nitrate reductase 30%
• bioassays 30%
• phytoplankton 19%
• nutrients 16%
• lakes 15%
• algae 7%
• phosphorus 6%
• biomass 5%
• metabolism 5%
• enzymes 4%
• temperature 3%

Earth & Environmental Sciences

• assimilation 59%
• nitrate 48%
• lake 38%
• bioassay 27%
• nutrient 12%
• field survey 6%
• primary production 6%
• metabolism 5%
• alga 5%
• incorporation 5%
• trial 5%
• enzyme 5%
• attribute 4%
• phosphorus 4%
• rate 4%
• biomass 4%