Great Lakes Restoration Initiative

Terrestrial Native Species

Filter Total Items: 3
Date published: November 21, 2019
Status: Active

Terrestrial Native Species and Habitat Restoration: Pitcher’s Thistle (Cirsium pitcheri)

Pitcher’s thistle (Cirsium pitcher) is a native thistle that grows on beaches and grassland dunes along the shorelines of Lakes Michigan, Superior, and Huron. It has been listed as a threatened species likely to become endangered in the foreseeable future due to loss of critical dune habitat. Shoreline development and destructive recreational activities have fragmented remaining...

Contacts: Noel Pavlovic
Date published: November 21, 2019
Status: Active

Terrestrial Native Species and Habitat Restoration: Kirtland’s Warbler Cowbird Control

By 1971, 69% of Kirtland’s warbler (a rare songbird with a limited breeding range in southern Ontario and the Upper Peninsula of Michigan) nests were parasitized by Brown-headed Cowbirds (a parasitic brood bird native to the Great Plains), resulting in less than one young Kirtland’s warbler produced per nest. Cowbird trapping began in 1972, and parasitism rates were quickly reduced to around 6...

Contacts: Ralph Grundel
Date published: November 14, 2019
Status: Active

Terrestrial Native Species Habitat Restoration: Restore Native Dunes and Oak Savanna

USGS scientists are collaborating with the National Park Service (NPS) to evaluate oak savanna restoration efforts in the Great Lakes by evaluating the success of different treatments in the southern basin and testing the efficacy of interseeding as a restoration tool.

Contacts: Noel Pavlovic