Lake Superior National Marine Conservation Area the heart of the preserve. Historic shipwrecks lie on the seabed of the Lake Superior National Marine Conservation Area, including the Gunilda at Rossport. The shores have two areas of First Nation pictographs and Sibley Peninsula has archaeological sites from Paleoindian, archaic, and woodland settlements. Lake Superior National Marine Conservation Area Lake Superior National Marine Conservation Area is a National Marine Conservation Area (NMCA) on the north shore of Lake Superior in Ontario, and is a unit of the national park system. Established on September 1, 2015, it is the largest freshwater marine protected area in the world. Although national
Yangcheng Lake of Chinese mitten crabs in Yangcheng Lake was estimated to be about . Yangcheng Lake Yangcheng Lake () is a freshwater lake about northeast of the city of Suzhou in Jiangsu Province, China. It is the most famous area of origin for the Chinese mitten crabs which are considered a delicacy. Yangchen lake is located between Lake Tai and the Yangtze River. It crosses the boundary of the cities Suzhou, Changshu and Kunshan and has a surface area of about . The Chinese mitten crabs migrate from Yangcheng Lake towards the Yangtze delta for mating in September and October. The