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Twitchell Island is an island in the Sacramento-San Joaquin River Delta in Sacramento County, California, 35 kilometres southwest of Sacramento. At 2 metres below sea level, the is bounded on the north by Seven Mile Slough, on the east and south by the San Joaquin River, and on the west by Three Mile Slough. The island is entirely within the Rio Vista Gas Field, although well pads and associated infrastructure make up only a small part of its land use. Twitchell is eighty-five percent owned by the State of California. Twitchell Island is the site of an experiment being conducted by the U.S. Geological Survey to study whether growing tules and cattails on the sinking islands of the Sacramento Delta can reverse the soil loss caused by wind, rain and farming. The soil under the 15-acre site has risen 1 to 2 feet since the project started in 1996. The plants not only help rebuild the level of the soil, but sequester quite a bit of carbon as well. It is believed that farmers in the delta might be able to make money with so-called "carbon-capture" farming by planting tules and cattails rather than row crops and get paid by companies who need to meet state greenhouse gas limits.〔 ==See also== *List of islands of California 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「Twitchell Island」の詳細全文を読む スポンサード リンク
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