Distribution of Trachelospermum jasminoides Under the Influence of Different Environmental Factors

Huan Yu, Zhihang Zhuo, Zhipeng He, Quanwei Liu, Xinqi Deng and Danping Xu ()
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Huan Yu: College of Life Science, China West Normal University, Nanchong 637002, China
Zhihang Zhuo: College of Life Science, China West Normal University, Nanchong 637002, China
Zhipeng He: College of Life Science, China West Normal University, Nanchong 637002, China
Quanwei Liu: College of Life Science, China West Normal University, Nanchong 637002, China
Xinqi Deng: College of Life Science, China West Normal University, Nanchong 637002, China
Danping Xu: College of Life Science, China West Normal University, Nanchong 637002, China

Agriculture, 2025, vol. 15, issue 3, 1-19

Abstract: Trachelospermum jasminoides (Lindl.) Lem. is a well-known herb with important medicinal and economic values. It is widely used in the treatment of inflammations in China. As global climate change intensifies, the ecological niche of plants has correspondingly shifted. Therefore, understanding the distribution of suitable habitats for T. jasminoides under different climate conditions is of great significance for its cultivation, introduction, and conservation. This research utilizes the MaxEnt model in combination with the Geographic Information System (ArcGIS) to analyze the present and future potential habitat distributions of T. jasminoides . Based on 227 documented occurrence points and 15 ecological variables, the results emphasize that the key environmental limitations influencing the optimal habitats of T. jasminoides are the precipitation during the coldest quarter, the mean temperature of the driest quarter, precipitation in the warmest quarter, temperature seasonality (standard deviation × 100), and the human impact index. At present, the combined area of suitable and highly suitable habitats for T. jasminoides amounts to 15.76 × 104 km 2 , with the highly suitable habitats predominantly situated in East and Central China. Based on climate scenario forecasts, within the SSP1-2.6 climate scenario, the total suitable habitat area for T. jasminoides is projected to increase relative to the current situation. Nevertheless, in the SSP2-4.5 and SSP5-8.5 climate scenarios, the suitable habitat area is anticipated to initially rise and then decline. The distribution center is mainly concentrated in the provinces of Hunan and Jiangxi, with the centroid shifting southeastward compared to the current situation. The findings of this research offer valuable insights for the effective cultivation, preservation, and sustainable use of T. jasminoides resources.

Keywords: climate change; Trachelospermum jasminoides; MaxEnt model; potential habitat distribution (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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