Journal
ECOLOGICAL INFORMATICS
Volume 68, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ecoinf.2021.101533
Keywords
Mentha pulegium; Climate change; Potential distribution; MaxEnt; Suitable habitat; Tunisia
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This study used the MaxEnt model to predict the future distribution of Mentha pulegium in Tunisia. The results showed that suitable habitats for this medicinal plant would decrease and shift toward the east due to climate change.
Climate change and human activities have caused the degeneration of the natural habitats of medicinal plants. Mentha pulegium L. is one of the most common medicinal plants in Tunisia that features high economic and ecological values. Predicting species' suitable habitats, through modeling, has evolved as a useful tool for the assessment of resource conservation to protect medicinal plants. Herein, we used MaxEnt model to predict current and future distributions of M. pulegium under two representative concentration pathways (RCP2.6 and RCP8.5) for the years 2050 and 2070. MaxEnt modeling was in the Excellent category since all the AUCs were above 0.9. Results showed that high and moderate suitable habitats for the current distribution of M. pulegium encompassed ca. 9929 km2 and 16,423 km2, respectively. These areas are mainly located in North Tunisia. Precipitation of the coldest quarter (Bio19) was identified as the most critical factor shaping M. pulegium distribution. Compared to the current distribution, the highly and moderately suitable areas for M. pulegium under the two RCPs (RCP2.6 and RCP8.5) would decrease in the 2050s and 2070s. The model projected a shift of the suitable area from Northeastward to Center-eastward. These results may provide a useful tool for developing adaptive management strategies to enhance M. pulegium protection and sustainable utilization in the context of global climate change.
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