In addition to insects and their relatives, many other forms of invertebrates live within Pictured Rocks National Lakeshore in both forest soils and aquatic ecosystems. Some of the most important and abundant are numerous species of zooplankton, tiny animals that form the base of many aquatic food chains. These include large numbers of minute crustaceans such as copepods, amphipods and native water fleas.
Photo by Minnesota Sea Grant
What are those "jelly blobs" on the beach?
Did You Know?
The Grand Sable Dunes are a federally designated Research Natural Area. The five square miles of dunes are an unusual glacial kame terrace with overlying dunes caused by fluctuating lake levels over the centuries. The dunes are located in Pictured Rocks National Lakeshore, near Grand Marais, Mich. More...