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Predicting the potential distribution of the vine mealybug, Planococcus ficus under climate change by MaxEnt
Crop Protection ( IF 2.5 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.cropro.2020.105268
Wei Ji , Kai Han , Yunyun Lu , Jiufeng Wei

Abstract The vine mealybug, Planococcus ficus, is a major vineyard insect pest, and it represents a serious threat to grape production. P. ficus originated in Israel, and it has now spread throughout the Mediterranean, South Africa, and the Middle East. However, the potential distribution range of this pest is unknown, and its spread could hamper both crop management and farmer's eradication efforts. This study used MaxEnt to determine the potential distribution of P. ficus under current climate conditions, and under projected global climate change using three different climate change scenarios and two representative concentration pathways. The results showed that under current climatic conditions, the Mediterranean coast, South America, South Africa, Southern Australia, and North America are the primary potentially suitable areas and that the highly suitable ranges are mainly concentrated in these areas. Additionally, some areas need to strengthen quarantine measures, especially where the pest has not been reported, such as Australia, New Zealand and East Asia. Under different climate emission scenarios, the total potentially suitable and highly suitable areas all showed decreases compared with those under the current climate condition. Our study also suggested that the mean temperature of the driest quarter (Bio9) was the greatest contributor (36.7%) to the P. ficus model. Our results will be useful for control and management of P. ficus, and can also be used as a reference for studies on other insect species.

中文翻译:

MaxEnt预测气候变化下葡萄粉蚧、Planococcus ficus的潜在分布

摘要 葡萄粉蚧,Planococcus ficus,是一种主要的葡萄园害虫,严重威胁着葡萄的生产。P. ficus 起源于以色列,现已遍及地中海、南非和中东。然而,这种害虫的潜在分布范围未知,其传播可能会阻碍作物管理和农民的根除工作。本研究使用 MaxEnt 来确定 P. ficus 在当前气候条件下的潜在分布,以及使用三种不同气候变化情景和两种代表性浓度路径预测的全球气候变化。结果表明,在目前的气候条件下,地中海沿岸、南美洲、南非、澳大利亚南部、和北美是主要的潜在适宜地区,高度适宜的范围主要集中在这些地区。此外,一些地区需要加强检疫措施,特别是在未报告有害生物的地区,如澳大利亚、新西兰和东亚。在不同气候排放情景下,潜在适宜区和高度适宜区总量均较当前气候条件下有所减少。我们的研究还表明,最干燥地区 (Bio9) 的平均温度对 P. ficus 模型的贡献最大 (36.7%)。我们的研究结果将有助于控制和管理 P. ficus,也可作为其他昆虫物种研究的参考。一些地区需要加强检疫措施,特别是尚未报告有害生物的地区,如澳大利亚、新西兰和东亚。在不同气候排放情景下,潜在适宜区和高度适宜区总量均较当前气候条件下有所减少。我们的研究还表明,最干燥地区 (Bio9) 的平均温度对 P. ficus 模型的贡献最大 (36.7%)。我们的研究结果将有助于控制和管理 P. ficus,也可作为其他昆虫物种研究的参考。一些地区需要加强检疫措施,特别是尚未报告有害生物的地区,如澳大利亚、新西兰和东亚。在不同气候排放情景下,潜在适宜区和高度适宜区总量均较当前气候条件下有所减少。我们的研究还表明,最干燥地区 (Bio9) 的平均温度对 P. ficus 模型的贡献最大 (36.7%)。我们的研究结果将有助于控制和管理 P. ficus,也可以作为其他昆虫物种研究的参考。与当前气候条件下相比,潜在适宜区和高度适宜区总量均有所减少。我们的研究还表明,最干燥地区 (Bio9) 的平均温度对 P. ficus 模型的贡献最大 (36.7%)。我们的研究结果将有助于控制和管理 P. ficus,也可作为其他昆虫物种研究的参考。与当前气候条件下相比,潜在适宜区和高度适宜区总量均有所减少。我们的研究还表明,最干燥地区 (Bio9) 的平均温度对 P. ficus 模型的贡献最大 (36.7%)。我们的研究结果将有助于控制和管理 P. ficus,也可作为其他昆虫物种研究的参考。
更新日期:2020-11-01
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