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Woody Invasives of the Great Lakes Collaborative

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Managing Common Buckthorn

October 3, 2023 By MIPN Coordinator

Buckthorn thickets smothering other understory vegetation and seedlings.

Native to Europe, common buckthorn (Rhamnus cathartica) is often referred to as European buckthorn. With allelopathic qualities, aggressive reproduction, and prolific growth, buckthorn can quickly outcompete native forest understory and create dense, even-aged stands. Their berries, consumed by many bird species, provide little nutrients, and are quickly excreted, contributing to further spread. With its invasive […]

Filed Under: Woody Invasive Species

Improving Management of Woody Invasive Shrubs in Forest Ecosystems

July 19, 2023 By MIPN Coordinator

Invasive shrubs threaten natural areas in the Midwest and Great Lakes region, out-competing native plants, reducing biodiversity and habitat, and altering ecosystem functions. Some of these woody invaders, including common buckthorn and bush honeysuckle, increase the risk for the spread of human pathogens, by fostering habitat for ticks and other disease vectors. The bottom line […]

Filed Under: Woody Invasive Species

Pears on the Loose!

April 12, 2023 By MIPN Coordinator

Callery pear forms thickets in disturbed areas and sometimes in higher quality habitats, which are readily identifiable in spring by their white flowers (Photo: Will Parson/Chesapeake Bay Program )

Pears on the Loose! For many people, the flowering of pear trees in our front yards and along the highways signals the beginning of Spring. In years past, these trees (known as the Callery pear, Pyrus calleryana) burst into bloom in the first few weeks of March. This display is shortly followed by the buzzing […]

Filed Under: Regulation, Woody Invasive Species Tagged With: Bradford, Callery, invasive, invasive ecology, management, Midwest, pear, regulation, woody

Woody Invasive Research Digest, 3rd & 4th Quarters 2021

December 21, 2021 By MIPN Coordinator

The following is a list of citations, links and abstracts of peer reviewed studies on woody invasive species of concern in the Great Lakes Region and their management, published between July 1 and December 31, 2021. You may be able to receive a personal-use copy of any copyrighted article by contacting the primary author. Subscribe […]

Filed Under: Research, Woody Invasive Species Tagged With: agriculture, Ailanthus altissima, Alnus glutinosa, Amur honeysuckle, biocontrol, bioenergy, black alder, black locust, Callery pear, chemical controls, climate change, common buckthorn, cut stump herbicide, disposal, evaluation, forestry, Frangula alnus, germination, glossy buckthorn, grasslands, hybridization, impacts, international, invasibility, invasion ecology, Japanese honeysuckle, literature review, Lonicera japonica, Lonicera maackii, management, native species, phenology, physical controls, pollinators, prescribed fire, Pyrus calleryana, restoration, Rhamnus cathartica, robinia pseudoacacia, soil ecology, spatial distribution, species biology, species interactions, student research, Tree-of-heaven, wetlands

Celebrating OAKtober

October 8, 2021 By MIPN Coordinator

Did you know that the U.S. has a national tree? I actually didn’t before I started researching for this post, and unlike Canada, we don’t make it super-obvious by putting it on our national flag! Back in 2004, following a public poll by The Arbor Day Foundation, Congress passed legislation establishing “the mighty oak” (all […]

Filed Under: Landscape Alternatives, Woody Invasive Species Tagged With: ecology, forestry, impacts, landscape alternatives, native species, prescribed fire, species interactions

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Recent Posts

  • Managing Common Buckthorn
  • Improving Management of Woody Invasive Shrubs in Forest Ecosystems
  • Pears on the Loose!
  • Woody Invasive Research Digest, 3rd & 4th Quarters 2021
  • Celebrating OAKtober

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  • Regulation
  • Research
  • Woody Invasive Species

About WIGL

The Woody Invasives of the Great Lakes (WIGL) Collaborative brings interested partners together to consolidate information on woody invasive plant species.

About WIGL

The Woody Invasives of the Great Lakes (WIGL) Collaborative brings interested partners together to consolidate information on woody invasive plant species. The WIGL Collaborative is coordinated by the Midwest Invasive Plant Network.

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