What question did this study set out to answer?

The aim is to assess current and future habitat suitability for Stephania tetrandra, identifying conservation priorities linked to climate change.

March 19, 2026DiversityOpen Access

Ensemble Species Distribution Modeling Reveals Stable High-Suitability Areas and Conservation Priorities for Stephania tetrandra in China Under CMIP6 Scenarios

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Quantifies habitat suitability for Stephania tetrandra in China, highlighting conservation priorities under future climate scenarios.

The aim is to assess current and future habitat suitability for Stephania tetrandra, identifying conservation priorities linked to climate change.
Utilized an ensemble species distribution modeling framework to evaluate habitat suitability.
Compiled and preprocessed occurrence records to reduce sampling bias.
Derived current predictors from WorldClim and complemented with topographic variables.
Applied CMIP6 climate projections for future suitability assessments.
Employed multiple algorithms and cross-validation to generate a weighted ensemble of suitability maps.
Current high-suitability areas total approximately 519,000 km², primarily in the humid subtropical region.
Future projections indicate a 74% reduction in high-suitability areas by the 2090s under SSP5-8.5.
Niche overlap decreases, suggesting potential habitat displacement as suitability windows narrow.
Uncertainty in northwestern regions impacts future projections significantly.

Wang et al. (2026) studied this question.

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