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Kettle Hole Marsh: 10,000 years in the making

Carleton’s Kettle Hole Marsh sits alongside a trail through the prairie in the Lower Arboretum. The marsh, now covered in ice and cattails, is about 10,000 years in the making. Its story begins at the time of Minnesota’s last glaciation.   About 15,000 years ago, an ice sheet covered most of…

Arb notes: the role of conservation in the climate crisis

Earlier this month, the Minnesota chapter of the Nature Conservancy released a report on the state of the climate crisis in Minnesota. While the data are startling—in fifty years, Minnesota summers will likely feel like those of Kansas today—the report also offers hope. Specifically, it outlines 13 natural climate solutions…

Arb Notes: the underwater Arb — ditching lead tackle

With over a million licensed anglers and 10,000 lakes, Minnesota is a playground for fishermen of all backgrounds. From the elusive muskellunge and walleye to the familiar bluegill, Carleton’s Arboretum is a wonderful place to explore Minnesota’s underwater world. But before you head over to the Cannon or Lyman Lakes,…

Wide open spaces: Buckthorn removal near Kettle Hole Marsh

Along the northeastern edge of Kettle Hole Marsh sits half of a forest. An overstory of red oaks andboxelders towers above a messy tangle of stumps and bare ground. The area feels gutted, the space where an understory should be strangely empty. A little more to the east, right where…

In a rut: signs of white-tailed Deer mating season

It is mid-autumn in the arboretum: many trees are bare, a few hearty bird species remain, and white-tailed deer mating season is in full swing. Referred to as the “rut,” white-tailed deer mating season occurs from October to December. Because whitetails are short-day breeders, behavioral changes are trigged by reduced…