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   Cirsium arvense (草本植物) English 
生態 分佈 管理 影響 參考資料 聯繫


    此物種詳細資訊 United States (USA)
    狀態: 外來
    入侵:
    出現紀錄: ?????
    來源: USDA, NRCS, 2002
    到達日期:
    簡介: 意外引入
    此地點的物種說明:
    Probably introduced to North America in the 1600s as a contaminant of crop seed and/or ship's ballast.
    此地點的管理資訊:
    C. arvense is classified as a noxious weed.
    地點註解:
    影響:
    競爭: It threatens natural communities by directly competing with and displacing native vegetation, decreasing species diversity, and changing the structure and composition of some habitats (Nuzzo, 1997).
    經濟 /民生: Zouhar (2001) states that it is considered one of the most tenacious and economically important agricultural weeds. It presents an economic threat to farmers and ranchers (Nuzzo, 1997), costing tens of millions of dollars in direct crop losses annually and additional millions for control (Thunhorst and Swearingen, 1997).
    農業: Thunhorst and Swearingen (1997) report that Cirsium arvense has long been recognized as a major agricultural pest. Nuzzo (2001) states that infestations reduce crop yield through competition for water, nutrients and minerals, and through interference with harvest. It is a host for bean aphid and stalk borer, insects that affect corn and tomatoes, and for sod-web worm (Crampus sp.), which damages corn.
    最後修改 : 18/10/2004 9:45:12 a.m.


ISSG Landcare Research NBII IUCN University of Auckland