NEW LONDON - Once common, the oak savanna is now among the most endangered ecosystems in the world. It is also the defining characteristic of Sibley State Park, located west of New London on the ...

ELLENDALE, Minn. — A brush mower roars through Elizabeth Arthur-Knutson’s oak savanna, clearing buckthorn and prickly from its path. The grinding sound of small trees being reduced to ground clutter ...

While most all of the landscape in southeastern Minnesota has changed considerably over the past two centuries, one remnant, the oak savanna, still survives. Although not a dominant ecosystem it once ...

LITTLE FALLS — Crane Meadows National Wildlife Refuge is planning a series of prescribed burns during the spring season to help maintain the natural habitats for wildlife and reduce the chance of ...

Red-headed woodpeckers and their oak savanna habitats are in serious decline. Red-headed woodpeckers and the oak savanna habitat that supports them are in serious decline. To forage for insects and ...

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In the race to restore some of North America's most biodiverse and threatened ecosystems, a straightforward first step is likely among the most important. New research shows that degraded savanna ...

SOUTH BEND — Facing pushback, a company that wants to build a controversial wrecked car lot next to a rare black oak savanna at the former South Bend Motor Speedway has asked county officials for an ...

Historically, closed eastern forests transitioned into open savannas and prairies in the U.S. Midwest, but this transition is poorly understood. To investigate the eastern boundary of the ...

LITTLE FALLS — Crane Meadows National Wildlife Refuge is planning a series of prescribed burns this spring to help maintain natural habitats for wildlife and reduce the chance of wildfires outside the ...

New research shows that degraded savanna ecosystems can reap lasting benefits from a single seeding of native understory plants. Once a diverse understory of savanna plants became established, its ...