Great Lakes are estimated at 900 trillion. The influx of parasitic lamprey populations after the development of the Erie Canal and the much later Welland Canal led to the two federal governments of the US and Canada working on joint proposals to control it. By the mid-1950s, the lake trout populations of Lakes Michigan and Huron were reduced, with the lamprey deemed largely to blame. This led to the launch of the bi-national Great Lakes Fishery Commission. "The Great Lakes: An Environmental Atlas and Resource Book" (1972) noted: "Only pockets remain of the once large commercial fishery." But, water quality improvements realized
Neustrelitz Little Lakes Region Neustrelitz Little Lakes Region The Neustrelitz Little Lakes Region () is a landscape in the south of the German state of Mecklenburg-Vorpommern, in der region around the town of Neustrelitz, and in the north of the state of Brandenburg, north of Rheinsberg. The northern part of the lakeland region is drained by the River Havel, which also has its source here. There is a link through the Prebelow Canal to the southern part, the Rheinsberg Lakeland, which is drained by the Rhin. There is another link along the Mirow Canal and the Alte Fahrt to the Mecklenburg Great Lakeland. To