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Invasive weeds will no longer have “the right of way” for over 700 miles of southeast Missouri roads.
CAPE GIRARDEAU, Mo. – The Missouri Department of Conservation (MDC), Missouri Department of Transportation (MoDOT), and the Missouri Prairie Foundation (MPF) have partnered to work with contractors to eliminate invasive plants along roadways from the top of Ste. Genevieve County, all the way to the southern border of Missouri. According to Nate Muenks, MDC’s habitat management coordinator, 723 miles of roadways will be spot treated for invasive plants, in a phased approach.
“MDC is thrilled to partner with MoDOT, MPF and the contractors to take this proactive approach against the threat of invasive plants,” Muenks said. “When invasive plants are left to thrive, they choke out native plants. The reduction in native plants can destroy valuable habitat and is very hard on our wildlife populations.”
Of the 723 miles of highway that will be spot treated for invasive plants, 165 miles are along Interstate 55. The other 558 miles are along roadways connecting to the Interstate, all near or in Conservation Opportunity Areas (COA). COAs are geographical areas where broad conservation goals are best met. MDC, with the help of conservation partners, identifies COAs throughout the state where investments in the prioritized areas can increase the likelihood of long-term success, maximize effectiveness over large landscapes, improve funding efficiency and promote cooperative efforts with other agencies for benefits that cross property lines.
Muenks said MDC, MoDOT, MPF and the contractors all see the value in working together to combat the prolific spread of invasive plants.
“Our roadways are a major traveling corridor, for not only public transportation but also in the spread of invasive weeds,” said Mark Aufdenberg, a MoDOT roadside manager. “It’s surprising how invasive seeds are spread through vehicle movement, so if we can treat our roadways and stop them before they go onto other properties and conservation areas, that’s a good thing.”
Aufdenberg said the cooperative project supplements MoDOT roadside management and allows MoDOT employees to focus more time on maintaining roadway surfaces and safety.
“Having the help from contractors and other agencies is a big benefit to us,” Aufdenberg said. “We don’t want to give invasive weeds the right of way.”
Aufdenberg said the contractors will not broadcast spray herbicides across the entire roadsides, but will instead spot-spray, targeting only the invasive plants.
“This targeted, specific approach will protect the good plants, while targeting the bad,” he said.
MPF agrees that the state’s roadways provide connectivity across the state, and not just for people. The MPF is a private, nonprofit, conservation organization with a mission to protect and restore prairies and other native grasslands, some of the most biologically diverse habitats in the state.
“We’re very concerned with the control of invasive species on the property we own and we’re very pleased to work in partnership with MDC, MoDOT and the other entities involved in this project,” said Carol Davit, MPF’s executive director. “Invasive plants pose real environmental and economic threats to our state, and collaboration is key in this fight.”
Davit said the project is also important because the work is happening in highly trafficked areas.
“Because this work is very visible along the roadways, we hope to inspire Missourians, and travelers in general, to be vigilant and take action against invasive plants on their own property as well,” Davit said.
Aufdenberg asks drivers in southeast Missouri to watch out for the contractors as they work along the roadways. Drivers will see large, orange, diamond shaped signs that say, “Invasive Plant Strike Team” where workers are spraying.
“Please slow down and give them some room as they work,” Aufdenberg said. “Safety is most important in our roadside projects.”
Muenks said MDC can help private landowners who want to eliminate invasive plants and improve wildlife habitat on their land. More information for landowners is available atwww.mdc.mo.gov/property.