Ability to understand and apply through on-the-job training and using previous, relevant experience basic biological principals, ecological variables and interactions, plant identification, herbicide application, invasive plant management techniques (of conservation biology, the management of forests, wetlands, and prairie habitats), and life histories of invasive plants. Seasonal Natural Resources Worker positions include: Resource Management Techs - Assists with the control of invasive plant species natural area restoration trail maintenance, brush and tree removal, signage, timber marking and/or timber stand improvement based on the property.