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The Great Meadows Wildlife Refuge is a twelve-mile (19 km) long river wetlands conservation area, in two major parcels, stretching from the towns of Billerica, Massachusetts (downstream) to Wayland, Massachusetts (upstream), along the Concord and Sudbury rivers. Considered by some ornithologists among the best inland bird observatories in the state of Massachusetts, this National Wildlife Refuge is a popular destination for bird watchers and tourists. About 85 percent of the refuge's is freshwater wetlands.〔( Great Meadows National Wildlife Refuge ) United States Fish and Wildlife Service, United States Department of the Interior. Retrieved January 1, 2007.〕 == History == The original Concord, Massachusetts parcel that was the beginning nucleus of the sanctuary, has been known as the "Great Meadows" since the 17th century.〔 〕 The parcel was donated by Concord resident Samuel Hoar in 1944 to the U.S. Government.〔 〕〔 〕 Hoar purchased a part of the Meadows in 1928, and built earthen dams (dikes) to hold the water within the marshlands, enhancing their value as waterfowl habitat for hunting. To provide greater protection for the area’s wetlands and wildlife, the U.S. Fish and Wildlife Service began buying additional land during the 1960s.〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Great Meadows National Wildlife Refuge」の詳細全文を読む スポンサード リンク
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