f2654c67_ods___Managing_Invasive_Plants__Appropriate_Target
[Method] Drawing down water levels [Key Considerations] in northern areas, winter drawdown may result in additional control by freezing plants and roots requires dams or weirs to control water levels selective based on timing [Appropriate Target] 
submerged plants; more effective on woody perennials than herbaceous perennials
Targets and Considerations - Physical Methods: Management Methods - Managing Invasive Plants
Appropriate Target