Abstract
Varanus griseus caspius (desert monitor) is a predator included appendix I of Convention on International Trade in Endangered Species; therefore, it is crucial to plan for its conservation. In this study, the suitable habitats of the desert monitor, Varanus griseus caspius, were evaluated in Iran, considering 10 environmental factors, for three periods of time: mid-Holocene, current, and years 2041–2060. Three individual models were produced to create an ensemble model: Generalized Boosting Model (GBM), Generalized Additive Model (GAM), and Random Forests (RF). Next, highly suitable areas in current and future periods were compared to the boundaries of conservation areas (CA). Among the different models projected, the ensemble model performed the best. The results indicated that so far, the distribution range of the species has shifted profoundly and will continue to grow in the future, while some currently suitable CAs will turn into unsuitable habitats for the species. We suggest further studies focus on redefining and broadening the CAs borders. Also, studying the species connectivity in current and potential future habitats can help to protect the species.
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