Cowles Bog - Restoration

Restoration

Since the early 1900s, when Dr. Cowles studied the 'bog', the land has been changing. The once diverse sedge meadow had been replaced by a monoculture of hybrid cattails. The National Park Service has identified that the changes which have caused this include: changes in seasonal water levels, water chemistry, changes in plant density, and changes in the soil and the seed banks. These changes have been the result of changes in the surrounding area, including the construction or roads and of drainage ditches. In 2009, the national lakeshore received a 3-year grant to begin the restoration of the bog.

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