claim: Species distribution can be understood through factors such as available resources.
evidence: is a brackish lake on the island of Sado in the Sea of Japan off the west coast of Honshu , Japan .. brackish. Brackish water. Sado. Sado, Niigata. Sea of Japan. Sea of Japan. Honshu. Honshu. The lake is the largest of Niigata prefecture .. Niigata prefecture. Niigata prefecture. Originally Lake Kamo was a fresh water lake , but was opened to the sea during the Meiji period to avoid floods , and the water became brackish .. brackish. Brackish water. Meiji period. Meiji period. The lake is famous for oyster farming , since 1932 .. oyster farming. oyster farming. Lake Kamo is ranked among the top 100 Landscapes of Japan .. 100 Landscapes of Japan. 100 Landscapes of Japan ( Showa era )