Invasive weeds are an ongoing concern in Minnesota. Despite broad interest in addressing invasive plant-related problems in the state, there are relatively few datasets regarding species-specific concerns, costs, and management efforts. In this study, we address this knowledge gap using a questionnaire-survey approach. We asked landowners, stakeholders, and land managers a series of questions regarding thirteen invasive weeds in Minnesota, including both buckthorn species (Rhamnus cathartica, Frangula alnus) and wild parsnip (Pastinaca sativa). Respondents (249 total) shared their concerns, cost information, and information regarding recent and planned management efforts for these weeds. Frequently-cited concerns varied considerably by species and type of respondent, but broadly included the potential impacts of weeds on conservation and ecology, weed-related impacts on forest regeneration, and weed-related impacts on recreation. Reported costs and management approaches varied depending on respondent type (private landowner or public lands professional), with public land professionals generally more willing and able to implement more expensive management approaches (i.e., mechanical removal, controlled burn) than private landowners. The broad results and data from this survey may be of interest to a number of researchers and natural resource professionals, as it provides some foundational context for further analyses.
Staff paper series (University of Minnesota. Department of Forest Resources);
Reinhardt, Jason; Russell, Matthew B.; Lazarus, William; Chandler, Monika; Senay, Senait.
Status of Invasive Plants and Management Techniques in Minnesota: Results from a 2018 Survey.
University of Minnesota.
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