摘要
独活是一种传统中药材与经济作物,由于产地较为广泛,质量难以控制。本研究采用最大熵模型(MaxEnt)预测独活在中国当前和未来潜在适宜分布区域,揭示了气候变化如何驱动其空间分布格局的演变,同时结合高效液相色谱(HPLC)和ArcGIS空间分析技术探讨了影响独活香豆素积累的主要环境因子,并区划优质适宜种植范围。结果表明,影响独活当前种植适宜分布的关键环境因子包括年温度变化范围、最冷月最低气温、5月太阳辐射量、最冷季平均气温、最暖季节降水量。种植适宜区主要分布在四川中部(阿坝和甘孜)、甘肃南部(平凉)、陕西南部(秦岭)、湖北南部(宜昌)和云南南部等季风气候区。模型预测表明,未来的气候变化将使适宜分布的中心向北部和高纬度地区移动,导致适宜地区的减少。可能受降水的影响,香豆素含量从高适宜区向低适宜区逐渐减少,优质种植适宜区域主要集中于四川中部、甘肃南部、湖南、河南、湖北南部和安徽南部,与当前种植适宜分布基本一致,且未来面积也将逐渐减少。本研究对优化独活种植、提高质量控制水平、提高经济效益和促进产业发展提供了理论依据和技术支撑。
Angelicae publicentis Radix(Duhuo),a traditional Chinese medicine(TCM)and an economically important crop,presents challenges in quality control due to its wide geographic distribution.In this study,the MaxEnt model was employed to predict the current and future potential distribution of Duhuo in China,elucidating how climate change influences its spatial distribution patterns.Furthermore,High-Performance Liquid Chromatography(HPLC)combined with ArcGIS spatial analysis was applied to investigate the key environmental factors affecting coumarin accumulation and to identify optimal cultivation zones.The results revealed that the primary environmental factors influencing the current distribution of Duhuo include the annual temperature range,minimum temperature of the coldest month,solar radiation in May,mean temperature of the coldest quarter,and precipitation in the warmest quarter.The most suitable planting regions are primarily located in monsoon-influenced areas,including central Sichuan(Aba and Ganzi),southern Gansu(Pingliang),southern Shaanxi(Qinling),southern Hubei(Yichang),and southern Yunnan.Climate change projections suggest that the centers of suitable habitats will shift northward and to higher latitudes,resulting in a reduction in suitable areas.Coumarin content appears to decline gradually from high-suitability regions to low-suitability regions,possibly influenced by precipitation patterns.The optimal areas for cultivating high-quality Duhuo are concentrated in central Sichuan,southern Gansu,Hunan,Henan,southern Hubei,and southern Anhui,aligning closely with current suitable planting regions,although these areas are also expected to shrink in the future.This study provides valuable insights for optimizing Duhuo cultivation areas,enhancing quality control,increasing economic benefits,and promoting industrial development.
作者
胡超贵
董鹏斌
王辰玥
李欠
HU Chao-Gui;DONG Peng-Bin;WANG Chen-Yue;LI Qian(College of Agronomy,Gansu Agricultural University/State Key Laboratory of Aridland Crop Science,Lanzhou 730070,Gansu,China)
出处
《作物学报》
北大核心
2025年第6期1676-1689,I0021,I0022,共16页
Acta Agronomica Sinica
基金
国家自然科学基金项目(31860102)
陇原青年创新创业人才项目(GSRC-2023-1-4)资助。
关键词
独活
MaxEnt模型
高效液相色谱
气候响应
质量评价
Angelica publicen Maxin f.biserrata Shan et Yuan
MaxEnt model
HPLC
climatic response
quality evaluation
