外来入侵植物腺龙葵在我国的适生区预测
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国家重点研发计划(2016YFC1200800);国家自然科学基金(31471827);国家科技支撑计划(2015BAD08B03)


Predicting the potential distribution of the invasive weed, Solanum sarrachoides in China
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    摘要:

    [目的] 全球恶性杂草腺龙葵最早于20世纪80年代入侵我国辽宁,90年代以后在河南被发现,近年来在新疆和北京都有入侵记录。明确其潜在的适生区对制定防控措施具有重要意义。[方法] 通过查找全球生物多样性信息数据库、标本记录、文献信息以及实地调查等途径获得了腺龙葵在全球的分布点,利用Maxent生态位模型模拟了其适应的气候生态位,并投影到中国预测了其潜在适生区。[结果] 适生区预测结果显示,腺龙葵在我国存在广阔的适生区,除海南、广东、黑龙江、吉林外的27省区都存在其适生区。[结论] 腺龙葵在我国进一步扩散蔓延的风险极高。建议对新入侵地采取早期监测预警和根除措施,并加大对适生区内进口货物接受区的监测力度,以预防其再次入侵。

    Abstract:

    [Aim] The notorious weed of worldwide importance, Solanum sarrachoides, was first recorded at Liaoning, northeast of China in the 1980s. It was found to invade Henan, central China in 1990s, Beijing, north China and Xinjiang, northwest China in 2010s. To monitor and control its further invasion and spread, it is necessary to establish an early warning program by predicting its potential distribution in China.[Method] We firstly collected occurrence records of S. sarrachoides worldwide using the GBIF database, field investigations, herbarium records, and published literature. Subsequently, we used ecological niche modeling to predict the potential distribution of S. sarrachoides in China. Finally the highly risk area for potential invasion and spread was identified.[Result] Maxent modeling prediction showed that with the exception of four provinces in the south and north of China (Heilongjiang, Liaoning, Jilin and Hainan), most areas were suitable for the survival of S. sarrachoides.[Conclusion] S. sarrachoides may invade local areas and spread faster in the future. It is recommended that an eradication program should be attempted in the newly invaded areas and monitoring programs should be applied in the potentially vulnerable regions, particularly in receiving harbors, transfer stations of imported cereal grains or fodder crops, which are highly vulnerable to be contaminated with seeds of S. sarrachoides.

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唐瑶,王瑞,张震,李家美,万方浩.外来入侵植物腺龙葵在我国的适生区预测[J].生物安全学报中文版,2018,27(4):290-294

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  • 收稿日期:2018-10-09
  • 最后修改日期:2018-11-01
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  • 在线发布日期: 2019-01-04
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