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Hayden Prairie State Preserve : ウィキペディア英語版 | Hayden Prairie State Preserve
The Hayden Prairie State Preserve is a tallgrass prairie located in Howard County, Iowa. The nearest towns are Chester and Lime Springs, both close to the northern border of the state of Iowa. It is a National Natural Landmark managed by the Iowa Department of Natural Resources.〔(【引用サイトリンク】title=Howard County Conservation Board - History )〕 ==Significance== The Hayden Prairie is a remnant of the tallgrass prairie ecosystem that once made up the majority of the land of what is now the state of Iowa. Although this remnant is only in size – less than a half section of land – it is the largest remaining parcel of tallgrass prairies surviving in Iowa outside of the Loess Hills on the western border of the state.〔〔 The prairie commemorates botanist Ada Hayden (1884–1950).〔 An Iowa farm girl, Hayden studied at the Missouri Botanical Garden (MBG) and Iowa State University (ISU) and earned a PhD in biology in 1918, one of the first women to earn this distinction in the U.S. She became an assistant professor of botany at ISU, devoting her personal and professional life to the defense of the fast-disappearing tallgrass prairies of her native state. During her working lifetime, most of the remaining patches of tallgrass that had survived the rush of Euro-American settlement in the 1800s were falling to the plowshare. Finally in 1940, the state of Iowa allocated $100 to Hayden for gasoline to drive around Iowa and identify what was left.〔 A small number of remaining prairie patches were identified, including the parcel of land that was to become Hayden Prairie. In 1945, the state of Iowa purchased this parcel for $10,001, approximately $42/acre. This land has been owned by the state ever since.〔
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「Hayden Prairie State Preserve」の詳細全文を読む
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