Photo credit: Eric Mueller. This composition uses data visualization techniques to chart invasive terrestrial species within the Minnesota Three Rivers Park District. Each plant represents a different invasive. They are organized chronologically from left to right, mapping the year the species was added to the Minnesota Department of Agriculture’s Noxious Weed list. Each aspect of […]

Photo credit: Peter Lee. Floating Marsh-marigold (Caltha natans) is an endangered aquatic species that is very sensitive to disturbances such as water level fluctuation from motorboats, increased herbicides and nutrient enrichment in the water, and loss of habitat from invasive species such as Purple Loosestrife. On Nov 1, 2018, the MN DNR issued permits for […]