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   Pomacea canaliculata (软体动物) English   
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         一般影响

    福寿螺原产于南美洲,之后在一九八○年左右引进东南亚计划作为当地/外销食物资源之一。然而,市场发展不如预期; 大部分个体因此被释放或自行逃离,成为东南亚的许多国家稻米作物的严重害虫。在菲律宾已造成巨大的经济损失,并被列为稻米害虫榜首。一九八九年疑似由于类似经济因素,自菲律宾引进夏威夷;同样的情形再度发生。短时间内福寿螺即逃离或被蓄意释放至野地,成为芋类的头号害虫。福寿螺可由农作区快速散布至湿地及其它自然淡水环境中,造成严重冲击。可能的影响包括对原生水生植物相的破坏进而改变原始栖地,或与当地原生螺类等水生动物互相竞争。在东南亚,福寿螺已导致原生的皮拉苹果螺(Pila apple snails)数量锐减。而菲律宾境内为此采取行动,开始使用杀虫剂企图消灭牠们。目前,生态环境模拟预测(Climatic modeling)的结果显示,福寿螺可能会散布至世界上许多至今尚未受干扰的地方,特别是印度稻米密集的农作区。而在美国也已可见福寿螺的踪迹,并对德州及加州的主要稻米栽种区造成威胁。现今澳洲的情形格外令人担忧,因其可能产生福寿螺迁徙至自然湿地(如卡卡都Kakadu)或稻米农作区之虞。



         地点特有的影响:
    Cambodia English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    China English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Dominican Republic English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Guam English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Hong Kong English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Java (Indonesia) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Sumatra (Indonesia) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Japan English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Korea, Republic of English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Lao People`s Democratic Republic English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Malaysia English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Sarawak (Malaysia) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Papua New Guinea English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Philippines English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Singapore English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Sri Lanka English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Taiwan English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Thailand English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    California (United States (USA)) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Florida (USA) (United States (USA)) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Hawaii (United States (USA)) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Texas (United States (USA)) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.
    Viet Nam (Vietnam) English 
    吃草: Voracious macrophyophagous herbivore. Feeds on many crops, probably also natural vegetation.

    竞争: Possibly competes with native freshwater snail species.



ISSG Landcare Research NBII IUCN University of Auckland