CHEN Bo,ZHU Tiantian,LYU Rong,et al.Study on Ecological Suitability of Leptochloa chinensis [J].zhongguo zhongyiyao xinxi zazhi,2021,28(1):1-5.[doi:10.19879/j.cnki.1005-5304.202003005]
千金子生态适宜性区划研究
- Title:
- Study on Ecological Suitability of Leptochloa chinensis
- 文章编号:
- 1005-5304(2021)01-0001-05
- Keywords:
- Leptochloa chinensis; ecological suitability; maximum entropy model; geographic information system
- 分类号:
- R282.5
- 文献标志码:
- A
- 摘要:
- 目的 通过千金子生态适宜性评价,为选取优质千金子种植区域提供依据。方法 通过网络资料查阅和实地采集,收集千金子149个样点信息,综合55个生态因子,应用地理信息系统和最大熵模型分析千金子在全国的生态适宜性分布。结果 影响千金子生态适宜性的主要环境因子为年平均温度、9月份温度、最暖季节降雨量、7月份温度、8月份温度、10月份温度、温度季节性变化标准差、植被类型、最湿季节均温、3月份温度。山东南部、河南南部、安徽南部、江苏南部、湖北中东部、重庆南部、四川东部边缘、湖南西北部和东南部、江西东部和北部、福建西北部、广西北部、广东北部边缘地区、海南南部、台湾北部和西部边缘地区为千金子最适宜区。辽宁东部、北京南部、天津大部、河北中部、山东大部、河南中东部、安徽北部、陕西南部、江苏中北部、湖北西部、浙江大部、四川东部、湖南西南部、江西中南部、福建中南部、云南南部、广西大部、广东大部、海南中南部、台湾东部为千金子次适宜区。结论 本研究结果与千金子产区一致,可为合理选择优质千金子种植地区提供依据。
- Abstract:
- Objective To provide basis for selecting planting areas of high-quality Leptochloa chinensis through systematic evaluation of ecological suitability of Leptochloa chinensis. Methods Through network data search and field collection, 149 samples of Euphorbiae Semen were collected, 55 ecological factors were integrated, and geographic information system and maximum entropy model were used to analyze the ecological suitability distribution of Leptochloa chinensis in the whole country. Results The main environmental factors that affected the ecological suitability of Leptochloa chinensis were the annual average temperature, the temperature in September, the rainfall in the warmest season, the temperatures in July, August, and October, the standard deviation of seasonal changes in temperature, the vegetation type, the average temperature in the wettest season and the temperature in March. Southern Shandong, southern Henan, southern Anhui, southern Jiangsu, central and eastern Hubei, southern Chongqing, eastern margin of Sichuan, northwestern and southeastern Hunan, eastern and northern Jiangxi, northwestern Fujian, northern Guangxi, northern margin of Guangdong, southern Hainan, northern Taiwan and western margin were most suitable areas for Leptochloa chinensis. Eastern Liaoning, southern Beijing, most of Tianjin, central Hebei, most of Shandong, central and eastern Henan, northern Anhui, southern Shaanxi, central and northern Jiangsu, western Hubei, most of Zhejiang, eastern Sichuan, southwest Hunan, central and southern Jiangxi, central and southern Fujian, southern Yunnan, most of Guangxi, most of Guangdong, central and southern Hainan, and eastern Taiwan were sub-suitable areas for Leptochloa chinensis. Conclusion The results of this study are consistent with the producing areas of Leptochloa chinensis, which can provide a basis for the reasonable selection of planting areas of high-quality Leptochloa chinensis.
参考文献/References:
[1] 龚兰.几种杂草营养成分的研究[J].杂草科学,1989,7(2):12-14.
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备注/Memo
基金项目:甘肃省基础研究创新群体项目(1606RJIA323);全国中药资源普查项目(2018年);甘肃省教育厅高等学校创新能力提升项目(2020年)
更新日期/Last Update:
2020-12-18