Under the Ice: How Organisms Survive Lake Wingra in Winter

by Grace Graham, WI Master Naturalist Volunteer for UW-Madison Arboretum Just as we are experiencing the transformation to winter, the lakes around us are facing their own seasonal changes. During spring and fall, the water column experiences a process called turn­over, the mixing of water from different depths, and a redistribu­tion of oxygen and nutrients.

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Leaf mulch: good for the flowerbed, good for the watershed

by Tim Kuhman (Associate Professor of Biological Sciences at Edgewood College and Friends of Lake Wingra board member)   Every autumn as the days get noticeably shorter with each passing day and the trees throughout my neighborhood begin to drop their leaves, I watch as frustrated homeowners tackle the Sisyphean task of raking those leaves

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