Saltcedar

As part of an ongoing effort to address the existing Saltcedar invasion along the riparian corridor of the Yellowstone River; the Yellowstone County Weed District has implemented a multi-year plan to attempt to mitigate the impacts of Saltcedar. Beginning in 2007, with the financial help of the Montana Noxious Weed Trust Fund Grants Program, Yellowstone County Weed District initiated an aggressive herbicide-based attack on existing Saltcedar infestations along the western county boundary of the river corridor. The intent of the project is to divide the project corridor into manageable sections, and to systematically treat and monitor the existing Saltcedar populations; annually progressing downstream until the entire corridor has been completed. In addition to the herbicide treatments, ongoing efforts to incorporate additional biocontrol agent activities (releases and monitoring) will be ongoing as a component of an integrated approach to the plan elements.

Saltcedar management is an expensive undertaking, and Yellowstone County Weed District would also like to acknowledge the financial support of other area governmental agencies, who have contributed to this project: Bureau of Land Management, Department of Natural Resources and Conservation, and the Yellowstone County Conservation District; without their assistance, facilitating this project would not be possible.

Yellowstone River Noxious Weed Mapping Project

The Yellowstone County Weed Department has expanded their ability and involvement in the area of GPS weed inventory data collection. With the help of grant funding, the department has performed weed inventory mapping projects in the Yellowstone River corridor, and the Canyon Creek areas. The information collected should enable the department to monitor changes in the status of these watersheds.

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