基于BIOCLIM模型的绿圆跳虫在中国的适生区分析

利用DIVA-GIS软件结合BIOCLIM生态位模型对绿圆跳虫Sminthurus viridis在中国的适生区进行预测。通过建立已分布点数据集、筛选主要影响因子及BIOCLIM模型预测,绘制绿圆跳虫在中国的潜在分布图。结果表明,绿圆跳虫适生于我国整个华北平原地区以及东北平原南部、西南云贵川地区和华南北部,其中高度适生区为长江中游和黄河中下游地区,涉及四川、甘肃、宁夏、陕西、湖北、安徽6个省区。鉴于绿圆跳虫的入侵高风险,应加强对该虫的检验检疫,尤其警惕其随进口粮食进入我国。

Potential distribution of Sminthurus viridis in China analyzed by BIOCLIM model

DIVA-GIS software combined with BIOCLIM ecological niche model was used to predict the habitat of Sminthurus viridis in China. The potential distribution of S. viridis in China was mapped by establishing a dataset of distributed points, screening for major influences and BIOCLIM model prediction. The results showed that S. viridis could colonize the entire North China Plain, the southern part of the Northeast Plain, the Yunnan-Guizhou-Sichuan region in the southwest, and the northern part of South China. The highly habituated areas were in the middle and lower reaches of the Yangtze River and the Yellow River, involving six provinces, i.e. Sichuan, Gansu, Ningxia, Shaanxi, Hubei and Anhui. In view of the high risk of invasion of S. viridis, the inspection and quarantine of this pest should be strengthened, especially vigilant against its entry into China with imported grain.