Lake Ecology

Understanding lake ecology

Lake ecology has a big impact on lake health. Native and invasive species can interact in complex ways, even impacting water clarity and our economy.

Learn more about key topics:

The following organisms are present in the Madison lakes and can have a big impact on water quality.

About the lakes

The 62-mile long Yahara River connects lakes Mendota, Monona, Wingra, Waubesa, and Kegonsa in a chain that winds through south-central Wisconsin. Learn more about each lake, and follow the links to lake-by-lake pages with annual updates on water quality conditions.

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Lake Mendota is the first and largest lake in the Yahara chain – learn more about Lake Mendota.

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Lake Monona is the second lake in the Yahara chain – learn more about Lake Monona.

Lake Wingra, in Madison, Wisconsin as the sun was going done one day in November, 2013

Lake Wingra is the smallest Yahara lake, connected to Lake Monona via Wingra Creek – learn more about Lake Wingra.

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Lake Waubesa is third lake in the Yahara chain – learn more about Lake Waubesa.

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Lake Kegonsa is the fourth lake in the Yahara chain – learn more about Lake Kegonsa.

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