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[Study on distribution division of Codonopsis Radix].

Xiao-Jun Wu1,2, Xiao-Bo Zhang2, Lan-Ping Guo2

  • 1Department of Pharmacy, Zhejiang Chinese Medicine University, Hangzhou 310053, China.

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica
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Summary

This study maps Codonopsis Radix distribution in China, identifying precipitation and altitude as key ecological factors. Findings support rational cultivation strategies for this important medicinal herb.

Keywords:
ArcGISCodonopsis RadixMaxEntdistribution divisionenvironmental factors

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Area of Science:

  • Ecology
  • Botany
  • Pharmacognosy

Background:

  • Codonopsis Radix is a vital traditional Chinese medicine.
  • Understanding its distribution is crucial for sustainable resource management.
  • Previous studies lacked comprehensive ecological analysis.

Purpose of the Study:

  • To determine the current distribution of Codonopsis Radix in China.
  • To identify key environmental factors influencing its suitable habitats.
  • To provide a scientific basis for rational cultivation and conservation.

Main Methods:

  • Literature review and specimen data compilation.
  • Field investigations and resource surveys.
  • MaxEnt modeling integrated with ArcGIS and 55 environmental factors.

Main Results:

  • Precipitation and altitude are the primary ecological determinants for Codonopsis Radix.
  • Specific suitable regions were identified for C. pilosula, C. pilosula var. modesta, and C. tangshen.
  • Model predictions aligned with empirical distribution data.

Conclusions:

  • The study successfully mapped ecological suitability for Codonopsis Radix species.
  • Results confirm precipitation and altitude as critical factors.
  • Findings offer a scientific foundation for optimizing Codonopsis Radix cultivation and resource planning.