Gretchen Gerrish
Commentator - Field NotesGretchen Gerrish works for UW-Madison's Trout Lake Station through the Center for Limnology. She studies how evolutionary and ecological processes interact to allow natural systems to deal with change over time.
Most of her work focuses on zooplankton, microscopic invertebrates that provide the food-web link between fish and algae.
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If you walk barefoot in a lake or stream, your feet might slide on slippery stones. What makes them so slippery? In this month’s installment of Field Notes, Trout Lake Station’s Gretchen Gerrish takes us underwater to learn about life on rocks. -
What it's like raising chickens through a Northwoods winter.
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While many organisms thrive solely feeding on the leaves, roots and fruits of trees, very few are capable of efficiently incorporating wood into their diets.
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Pumpkins hold a unique place in the hearts, minds and stomachs of Americans; and they should, considering they are one of the oldest cultivars native to North America.
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Making national headlines, the 17-year cicadas were making a ruckus throughout eastern parts of the US leaving me to wonder, why don’t we see cicada…
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I spent most of my life not knowing that porcupines could climb trees. While I am a little embarrassed to admit this fact, I am also not sure I spent a…
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Walking from my truck into work last week, I noticed a frail looking insect flitting along the surface of the snow on the trail in front of me. On closer…
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As air temperatures in fall fluctuate between freezing at night and sunny 70 degree days, many deeper lakes within the region experience a phenomenon…
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Have you ever seen a bee emerging from a hole in the ground in the spring? There are many ground nesting bee species in Wisconsin and for this month's…
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For this month’s Field Notes, Gretchen Gerrish of UW-Madison’s Trout Lake Station tells us of the life and death of leaves.Scooping mud from the bottom of…
