University of Minnesota researcher notes drop in population

Grants | Legacy Digitization | Topics | Education | Environment |
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New research by University of Minnesota ecologist Karen Oberhauser reveals that this year's monarch population is about 30 percent below average. But the data - collected over a six-year period - also shows that the black and orange butterflies are quite resiliant. Oberhauser attributes this year's decline to three factors:

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Digitization made possible by the State of Minnesota Legacy Amendment’s Arts and Cultural Heritage Fund, approved by voters in 2008.

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