Global climate change promotes aboveground growth and high-latitude species distribution in medicinal plants: Insights from the genus Panax

Global climate change (GCC) significantly affects the quality and distribution of medicinal plants, with varying impacts across genera, posing a threat to human health. However, an understanding of such influences is unknown. Here, we take the genus Panax as a case study, using meta-analysis and Max...

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Bibliographic Details
Published in:Journal of cleaner production 2024-11, Vol.478, p.143863, Article 143863
Main Authors: Yan, Qi, Zhang, Xinke, Li, Mingchi, Zhang, Guoshuai, Huang, Lin-Fang
Format: Article
Language:English
Subjects:
Adaptation strategies
Genus Panax
Ginsenoside
Global climate change
Medicinal plants
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Summary:Global climate change (GCC) significantly affects the quality and distribution of medicinal plants, with varying impacts across genera, posing a threat to human health. However, an understanding of such influences is unknown. Here, we take the genus Panax as a case study, using meta-analysis and MaxEnt to analyze 710 observation pairs and 588 locations, in order to determine the impact of GCC on the quality and distribution of medicinal plants. Meta-analysis indicates that GCC enhances photosynthesis and physiology, promoting aboveground growth but hindering underground development. Saponin levels in aboveground parts decline without affecting those below ground, correlating closely with biomass. Further examination revealed that the genus Panax's response to GCC is significantly moderated by various factors. MaxEnt results showed a modest range expansion, particularly beneficial for Panax ginseng (Pg) and Panax quinquefolius (Pq) at higher latitudes, but detrimental for Panax notoginseng (Pn) at lower latitudes. Notably, root rot severity peaks in China's principal Panax cultivation areas under the SSP245 scenario. Ultimately, our results propose strategies for agronomic management: "Environment matching species" by adjusting water and nitrogen inputs, and "Species matching environment" by promoting carbon reduction and optimized production for migration to higher latitudes. By integrating meta-analysis with MaxEnt modeling, we provide a novel methodological framework for future research on medicinal plant adaptation to GCC. [Display omitted]
ISSN:0959-6526
DOI:10.1016/j.jclepro.2024.143863