Climate Change Study Reveals Threats to Local Biodiversity in Southwest China

A recent study on climate change has highlighted the potential risks posed by the invasive plant species, Solanum aculeatissimum, native to the Brazilian ecosystem but now naturalized in southwestern China. The herbaceous to semi-woody perennial plant has been found to have significant negative impacts on local biodiversity, with its distribution and range projected to shift under different climate change scenarios.

Key Takeaways:

• The study systematically screened and integrated 100 distribution records from authoritative databases, including the Chinese Virtual Plant Specimen Database, the Global Biodiversity Information Facility, and Chinese Natural Museums.
• The research found that human pressure and isothermality are the primary driving forces shaping the distribution of Solanum aculeatissimum, with the core suitable habitats predominantly concentrated in the provinces of Yunnan, Guizhou, and Sichuan.
• By 2070, the distribution center shifts northeastward to Qujing City, with the invasion front extending into southern Tibet under the SSP5-8.5 scenario.
• The study underscores the synergistic effects of socioeconomic development pathways and bioclimatic thresholds on invasive species' biogeographical patterns, providing a robust predictive framework for adaptive management strategies.
• The research has been supported by Major Scientific And Technological Projects of Yunnan Province, the National Natural Science Foundation of China, and the First-class Forestry Academic Subject in Yunna Province.
• The study's findings highlight the importance of considering the impacts of climate change on invasive species and the need for adaptive management strategies to mitigate these effects.

Statistics:

• 100 distribution records of Solanum aculeatissimum were integrated from authoritative databases.
• 23 environmental variables were incorporated into the study, including 19 bioclimatic factors, 3 topographic indicators, and the Human Footprint Index.
• 79.7% of the driving forces shaping the distribution of Solanum aculeatissimum were attributed to human pressure.
• 10.1% of the driving forces shaping the distribution of Solanum aculeatissimum were attributed to isothermality.

Sources:

• Analysis of a Potentially Suitable Habitat for * * Solanum aculeatissimum* * in Southwest China Under Climate Change Scenarios. Plants, 2025,14(13):1979.
• MDPI AG. (Available from https://doi-org.sdpl.idm.oclc.org/10.3390/plants14131979)
• Data from Southwest Forestry University. (As reported in Global Warming Focus, July 28, 2025)