Predicting Potential Geographical Distributions of Medicinal Plant Piper hainanense Using Maximum Entropy
The potential geographical distributions of Piper hairumense were predicted with Maxent software based on twenty four locations and twenty seven environmental layers. The results showed that the Maxent model had 87.5% success rate and was statistically significant. The potential distributions of P. Hainanense with the highest suitability were mainly located in the Hainan Island, southern Guangdong and Guangxi. Northern Vietnam and Central Laos where the species had never been documented were also predicted as the suitable habitat. Only small area of the species' potential distribution had been under protection. According to the jackknife test, some precipitation and temperature parameters were identified as highly effective factors on the distribution of the species and could possibly account for its narrow distribution scale. This approach presented here appeared to be quite promising in predicting suitable habitat for threatened and endangered species with small sample records and could be an effective tool for biodiversity conservation planning, monitoring and management.
Piper hairumenseMaxentENMPotential geographic distribution
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