ArticleBMC ecology and evolution2025
Future habitat dynamics of critically endangered endemic plants in the St. Catherine protected area, South Sinai, Egypt: climate change perspectives on mountain ecosystems.
Article in BMC ecology and evolution, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Predicting future habitat suitability of Smilax glabra under climate change scenarios.Scientific reports · 2026Article
- Potential distribution of Amomum Roxb. species in China under climate change: a GIS-based ecological niche modeling approach.BMC ecology and evolution · 2026Article
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5 authors.
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Abstract
backgroundMountain ecosystems provide crucial insights into species distribution, yet their fragility, especially in the warming Mediterranean, puts many species at high extinction risk. This study, focusing on four critically endangered plants in Egypt's St. Catherine Protected Area (Primula boveana, Rosa arabica, Micromeria serbaliana, and Silene oreosinaica), uses Species Distribution Models (MaxEnt) and the IUCN Red List to assess climate change impacts and enhance future conservation strategies.
resultsField observations from 2024 to 2025 revealed changes in Extent of Occurrence (EOO) and Area of Occupancy (AOO) when compared to historical records. EOO increased for all species: P. boveana (72.8 km², + 280%), R. arabica (102 km², + 117%), M. serbaliana (88.5 km², + 30%), and S. oreosinaica (61 km², + 15%) as discovery of new and rehabilitated sites. This reclassified R. arabica from Critically Endangered (CR) to Endangered (EN), although the other species remain CR. Despite these geographical increases, both human and natural threats continue to cause declines in individual numbers and habitat quality. High predictive model accuracy was recorded (AUC ≥ 0.97, TSS ≥ 0.85). Under current conditions, P. boveana and R. arabica exhibit wider potential distributions (11.3% and 12.1% of the total area, respectively) than M. serbaliana (5.2%) and S. oreosinaica (5.4%). Areas with high probability of occurrence are primarily found in the northwestern mountains, often fragmented by topography. MaxEnt projected a decline in suitable habitats for these species, with new suitable areas emerging in SCPA's southern mountains. Future habitat reduction rates for the years 2050 and 2070 varied: S. oreosinaica (2-23%), P. boveana (7-32%), and M. serbaliana (2-41%), while R. arabica demonstrated high stability (> 96%).
conclusionsOur findings show an altitudinal shift, with species moving to higher, southern mountains, experiencing habitat fragmentation and losses elsewhere. Effective conservation needs ongoing monitoring, in-situ/ex-situ efforts, and addressing threats like overgrazing. Raising environmental awareness is crucial.
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