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Mission blue butterfly habitat conservation
The U.S. Fish and Wildlife Service (USFWS) has a number of programs aimed at Mission blue butterfly habitat conservation, which include lands traditionally inhabited by the mission blue butterfly, an endangered species. A recovery plan, drawn up by the U.S. Fish and Wildlife Service in 1984, outlined the need to protect mission blue habitat and to repair habitat damaged by urbanization, off highway vehicle traffic, and invasion by exotic, non-native plants.〔(The Biogeography of the mission blue butterfly ), San Francisco State University, Department of Geography, Autumn 2000〕 An example of the type of work being done by governmental and citizen agencies can be found at the Marin Headlands in the Golden Gate National Recreation Area. In addition, regular wildfires have opened new habitat conservation opportunities as well as damaging existing ones.
==Marin Headlands==
The program at the Marin Headlands for mission blue butterfly habitat protection aims to deal with one of the main problems facing the mission blue butterfly population. The Headlands area was once owned by the U.S. Army. From 1870 on, the Army used the area for forts such as Fort Cronkhite, coastal batteries such as those that protected the San Francisco Bay during WWII, and missile sites, such as the 280 that occupied the area during the Cold War.〔Yamamoto, Marta. (Marin Headlands Whispers Stories of Bygone Days By ), Berkeley Daily Planet, Jan. 3, 2005〕 While in the Marin Headlands, the Army planted a lot of trees, so many that today the non-native, invasive species that occupy the Headlands threaten the habitat of the mission blue butterfly. The habitat protection program seeks to root out these species from selected areas of the Marin Headlands. Some of the species that have now become native to the area and threaten the habitat of the endangered mission blue butterfly include Blue Gum Eucalyptus, Monterey cypress, Monterey pine and blackwood acacia. The Mission Blue Butterfly UserFee Project in the headlands will try to remove these species and revegetate the area with native coastal prairie plants.〔(Mission blue butterfly habitat protection ), Golden Gate National Recreation Area, National Park Service〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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