深圳大鹏半岛4种入侵医学贝类的发现

Four alien medical mollusk found in Dapeng Peninsula,Shenzhen City

目的了解深圳大鹏半岛入侵螺类物种。方法于2012年8月至2013年1月对深圳大鹏半岛进行软体动物资源调查,通过贝壳形态学观察等鉴定入侵螺种。结果大鹏半岛境内发现4种入侵螺类,均为医学贝类,分别为褐云玛瑙螺(Achatina fulica)、小管福寿螺(Pomacea canaliculata)、尖膀胱螺(Physa acuta)和藁杆双脐螺(Biomphalaria straminea)。其中尖膀胱螺在全部采集地点均有发现,褐云玛瑙螺和小管福寿螺在除杨梅坑外的调查点均有分布,藁杆双脐螺仅分布于大鹏镇。结论 4种重要外来螺类在深圳大鹏半岛广泛入侵,鉴于其在疾病传播和农业生产上具有的潜在危害,需加强预防控制。

Objective To investigate the alien snails in Dapeng Peninsula,Shenzhen City. Methods The survey on the snail diversity in Dapeng Peninsula was carried out from August 2012 to Jan 2013,and the species of the alien snails were identified according to the shell morphology. Results Four species of alien snails including Achatina fulica,Pomacea canaliculata,Physa acuta,and Biomphalaria straminea were found in Dapeng Peninsula,P. acuta was found in all of the collected sites,A. fulica and P. canaliculata were distributed in five regions except Yangmeikeng area,and B. straminea was just found in Dapeng Town. Conclusion Four species of important alien snails invade widely in Dapeng Peninsula,Shenzhen City. As their potential risk to the disease transmission and agriculture production,the relative departments should strengthen the control and prevention.