WVXU: Study finds invasive plants are thriving in Southwest Ohio
UC biologist Denis Conover talks to Cincinnati Edition about ways to curb invasive species
University of Cincinnati botanist Denis Conover spoke to WVXU's Cincinnati Edition about ways members of the public can help to prevent the spread of nonnative, invasive plants such as Callery pear trees, English ivy and Higan cherry.
Conover said some nonnative plants in gardens, arboretums, back yards and other places are escaping cultivation to spread across wild forests in Southwest Ohio.
UC Professor-Educator Denis Conover is studying the impact of nonnative, invasive species on wild areas in Southwest Ohio. Photo/Andrew Higley/UC Marketing + Brand
He pointed to a close example, the landscaping outside his office on UC's Uptown Campus.
“This is winged euonymus, otherwise known as burning bush. And here is Chinese silver grass. It’s a popular ornamental, but the seeds are dispersed by the wind,” he said.
For his latest study published in the journal Ecological Restoration, he and his students examined the impact that nonnative, invasive plants are having on forests. He found that plants at arboretums and public gardens inadvertently can seed wild areas with nonnative plants.
Conover, a professor-educator in UC's College of Arts and Sciences, told WVXU's Cincinnati Edition that native plants support a far greater variety of insects and other wildlife than nonnative plants.
“Several hundred species of moths will lay their eggs on an oak tree. And all those moth caterpillars are eaten by birds,” he told host Lucy May. “If you want to have the bird diversity, you need the caterpillars.”
Conover said nonnative plants can carry pathogenic fungi such as the one responsible for chestnut blight and Dutch elm disease.
“Butternuts are also being attacked by a fungus they think came from Asia,” he said. “If you introduce plants from other continents, you might be bringing pathogens with them.”
Listen to the interview on WVXU's Cincinnati Edition.
Featured image at top: UC Professor-Educator Denis Conover studies the impact of nonnative, invasive species. Photo/Andrew Higley/UC Marketing + Brand
UC Professor-Educator Denis Conover leads public botanical walks at Burnet Woods and other parks when the weather permits. Photo/Andrew Higley/UC Marketing + Brand
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