Ballast water management system certification testing requirements for protists are a poor fit for the Great Lakes

Agriculture & Biology

• ballast water 100%
• Great Lakes 83%
• protists 76%
• certification 76%
• water management 74%
• management systems 66%
• testing 25%
• cells 13%
• water 10%
• invasive species 8%
• ecosystems 6%

Earth & Environmental Sciences

• ballast water 86%
• protist 81%
• certification 71%
• water management 57%
• lake 38%
• cell 33%
• freshwater resource 14%
• aquatic system 11%
• invasive species 11%
• water 9%
• test 8%
• ecosystem 6%