Prediction of potentially suitable distribution areas of Thesium chinense Turcz. in China against the background of climate change.

With traditional Chinese medicine playing an increasingly important role in human society, the scarcity of wild resources has become a key constraint to the development of the industry. For this study, optimized maximum entropy models were employed to predict the patterns and changes in potentially suitable distribution areas for Thesium chinense Turcz. in China, in the present (1970–2000) and future (2050s, 2070s, and 2090s) under multiple climate scenarios (SSP1-2.6, SSP2-4.5, SSP3-7.0, and SSP5-8.5). The results showed that the predicted regions of high, medium, and low potential fitness zones were 6.19 × 10⁴, 150.99 × 10⁴, and 155.61 × 10⁴ km². The highly suitable areas were primarily found in Shandong and Shanxi Provinces. Furthermore, we found its relatively stable habitat was mainly distributed across South Central Shanxi, Eastern Gansu, and Midwest Guizhou. An analysis of the transfer of masses revealed that the potential habitat of the plant migrated in a northwesterly direction under various climatic conditions. [ABSTRACT FROM AUTHOR]

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