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   Cortaderia jubata (草)  English   
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         管理信息

    彼得森(1988)报告说:如果采取严格的控制与管理方案,来控制箭蒲苇(Cortaderia jubata),很有机会恢复原生植物植群。

    预防措施:箭蒲苇(Cortaderia jubata)的风险评估,由澳大利亚太平洋岛屿生态系统风险计划执行(PIER),使用澳大利亚风险评估标准(Pheloung, 1995)。其结果是22分,建议如下:应禁止进口此植物(澳大利亚)或此植物可能是有害的(太平洋)。

    物理方法:如果植株够小,人工移除是有效的,但这种方法很耗费劳力。有人使用人工移除并获得良好成效,把绳子或链条绑在植物上,用一辆汽车把他们拔出地面,此方法虽然有效,但很耗费劳力。用火烧也被认为是一个方法,用来清除树叶,为以后的机械清除或化学处理预作准备。据乔治格雷(1992),美国加州公园的资源生态学家报告,火烧不会杀死此草,只会使它不愉快。麦迪逊(1994)发现,其叶片中硅含量很高,使得火烧不是很有效。

    化学方法:许多的化学处理方法,也可能是更有效,且实用的,对于严重的侵袭。监测时必需纪录族群趋势,以及此杂草对本地植物的影响,及移除工作的成效。如果发现族群迅速增加,必须密集实施移除工作,以控制其蔓延。如果移除计划是使用除草剂(混合溶液),处理后应评估成效。大多数移除计划的重点,是消除最大的植群,以减少潜在的种子传播。

    生物方法:在纽西兰,Cortaderia受到牛只放牧控制(威尔考克斯, 2003)。 English   



         地点特有的管理信息
    Australia
    It is illegal to import or grow i>C. jubata in Australia (OCA, Undated).
    California
    Several control methods have been used in California since 1985 in the control of Cortaderia jubata; herbicidal control efforts and monitoring of in the Nature Conservancy's Ring Mountain Preserve, Tiburon, California (Peterson 1988), mechanical control efforts using ropes/chains and vehicles to uproot tussocks in the Camp Pendleton Marine Corps Base, California (Peterson 1988), manual and herbicidal control efforts of between the Gualala River and Point Arena areas by the Dorothy King Young (DKY) Chapter of the California Native Plant Society (Madison 1993; 1994), mechanical removal of C. jubata using heavy equipment in the Golden Gate National Recreation Area (Nelson 1991) and manual control efforts in the California state parks of the Santa Cruz mountains by the Wildlands Restoration Program (Moore 1994) cited in the HNIS Report for Cortaderia jubata; A product of the Hawaiian Ecosystems at Risk Project accessed from http://www.hear.org/hnis/reports/HNIS-CorJub.pdf.
    Hawaii
    Cortaderia jubata is legally declared as a noxious weed in the state of Hawaii and sale or transport is illegal (DOFAW, Undated).
    From 1992 mechanical and herbicidal control efforts have been going on in upcountry Maui and Haleakala National Park by National Park Service resource management personnel, Biological Resources Division-USGS personnel and Sierra Club volunteers cited in the HNIS Report for Cortaderia jubata; A product of the Hawaiian Ecosystems at Risk Project accessed from http://www.hear.org/hnis/reports/HNIS-CorJub.pdf.
    Nelson
    C. jubata has been designated as a 'Progressive control pest' by the the Tasman-Nelson Regional Pest Management Strategy. The strategy has its effect over the combined area that lies within the administrative boundaries of the Tasman District Council and Nelson City Council. The objective of the strategy is to reduce the distribution and density of C. jubata in the Tasman-Nelson region during the term of the Strategy. Please see Hierarchy of Plant Designations for an explanation of designation terminology.
    New Zealand
    Cattle grazing is used as a means of control of C. jubata in forests (Wilcox, 2003).
    Mechanical and chemical control recommendations have been made for C. jubata invading forest plantations of New Zealand (Anonymous 1985).Another approach adopted is replacing pampas grass with native species (Anonymous 1987) cited in the HNIS Report for Cortaderia jubata; A product of the Hawaiian Ecosystems at Risk Project accessed from http://www.hear.org/hnis/reports/HNIS-CorJub.pdf..
    Poor Knights Islands
    Control of Cortaderia spp. began in 1991, focussing on three obvious infestations on the coastline. It involved one trip per year by volunteers. In 1996, a Weed Eradication Strategy was developed. The islands were split into three management zones: weed sites, weed free sites prone to invasion, and weed free sites not prone to invasion. Existing weed sites occurred in areas of disturbance associated with exposed coastal faces, shrubland and broadleaf forest. An aerial search was conducted in early summer, and sweep searches were conducted over the weed sites during spring, when flowering is commencing. Any plants found were removed from the island. There has been a dramatic decline in numbers. A four year seedling absence will be required before sites can be declared weed-free. Reinvasion remains a threat, both by wind dispersal, and by the spread of seeds by management staff.
    Both species of Cortaderia have been removed from the Poor Knights but eradication has never been achieved. A zero density adult population is being sustained . All plants were thought to have been removed in 2001/02 but further plants have since been found, some of which had set seed. Reinvasion from the mainland is suspected to be occurring. Sporadically over the last 4years individual plants have continued to appear in areas of the islands where there have not been adult pampas grass recorded. Plants have also occurred in old weed sites as recently as last year - potentially either old seed in the soil or seed rain shadow as well (Glen Coulston., pers.comm., February 2006).
    Rangitoto Is. (North Island)
    In 1995, a weed control programme was initiated on Rangitoto Island, with 72 weed species identified. These were split into three priority classes, each with a management objective. The long term aim for this species is sustained control.
    Taranaki Region (North Island)
    C. selloana is classified as a 'Containment pest plant' in the The Pest Management Strategy for Taranaki. 'Containment pest plants' are pest plants that are abundant in suitable habitats in a region or part of a region and for which the long-term goal is to prevent the spread of the plant to new areas or to neighbouring properties. Each pest plant has a management programme according to its designation. These programmes are summarised in the series of bulletins 'Pest Plant Facts'. Please see Common pampas: C. selloana for pest plant facts and management programmes.
    Tasman District
    C. jubata has been designated as a 'Progressive control pest' by the the Tasman-Nelson Regional Pest Management Strategy. The strategy has its effect over the combined area that lies within the administrative boundaries of the Tasman District Council and Nelson City Council. The objective of the strategy is to reduce the distribution and density of C. jubata in the Tasman-Nelson region during the term of the Strategy. Please see Hierarchy of Plant Designations for an explanation of designation terminology.
    Tasmania
    Efforts are ongoing in the mechanical and herbicidal control of pampas grass in natural and agricultural settings cited in the HNIS Report for Cortaderia jubata; A product of the Hawaiian Ecosystems at Risk Project accessed from http://www.hear.org/hnis/reports/HNIS-CorJub.pdf..


         管理资源 /链接

    4. Environment Waikato. 2002. Pampas (Cortaderia jubata, C. selloana, including cultivars)
    6. Landcare Research. Prospects for Biological Control of Pampas Grass (Cortaderia spp.) (Poaceae) Landcare Research Contract Report: LC9900/138 (2000)
            摘要: Report on distribution, impacts and management in New Zealand.
    7. National Pest Plant Accord, 2001. Biosecurity New Zealand.
            摘要: The National Pest Plant Accord is a cooperative agreement between regional councils and government departments with biosecurity responsibilities. Under the accord, regional councils will undertake surveillance to prevent the commercial sale and/or distribution of an agreed list of pest plants.
    Available from: http://www.biosecurity.govt.nz/pests-diseases/plants/accord.htm [Accessed 11 August 2005]
    8. New Zealand Plant Conservation Network, 2005. Unwanted Organisms. Factsheet Cortaderia jubata
    13. Taranaki Regional Council. 2003. Common pampas/Purple pampas (Cortaderia sellona / Cortaderia jubata). The Pest Plant Management Section.
    14. Tasman District Council (TDC) 2001. Tasman-Nelson Regional Pest Management Strategy

         结果页: 1  


ISSG Landcare Research NBII IUCN University of Auckland