Publications
A journey of education, awareness-raising and the promotion of the natural and cultural heritage: from Elassona to Olympus
A novel approach to educating and raising awareness about the natural and cultural heritage of Mount Olympus, Greece, has been developed through a multidisciplinary postgraduate program. This initiative, combining elements from environmental science and special education, successfully engaged participants in a journey from Elassona to Mount Olympus, focusing on sustainable education and environmental awareness. The study highlights the potential for such programs to foster deeper connections with UNESCO World Heritage Sites by integrating educational content with experiential learning. By leveraging interdisciplinary collaboration between the University of Thessaly's departments of Agriculture, Fisheries, Aquatic Environment, and Special Education, this work demonstrates a model for promoting heritage conservation through immersive, participatory education.
Aeolian dust accretion outpaces erosion in the formation of Mediterranean alpine soils. New evidence from the periglacial zone of Mount Olympus, Greece
Aeolian dust, primarily from Saharan and local sources, plays a dominant role in the formation of alpine soils in the periglacial zone of Mount Olympus, Greece, outpacing erosion. This finding challenges traditional views on soil parent material contributions in Mediterranean karst landscapes. Researchers analyzed 23 samples from a glaciokarstic plateau, colluvial sediments, and modern Sahara dust deposits using radiogenic isotope systematics, textural, and mineralogical analyses. They found that aeolian dust contributes between 50% and 65% to the soil B horizon, with cryoturbation facilitating fine earth translocation and weak pedogenesis leading to magnetic mineral weathering and secondary clay formation. The study highlights the significance of long-distance dust transport in alpine soil development under Mediterranean periglacial conditions.
Brief communication: Tritium concentration and age of firn accumulation in an ice cave of Mount Olympus (Greece)
Researchers analyzing firn from an ice cave on Mount Olympus, Greece's highest peak, found that the absence of a tritium concentration spike—expected due to nuclear testing—suggests the ice plug is less than 50 years old. This indicates rapid melting is erasing older firn layers, potentially disrupting long-term climate records preserved in such environments. The study used tritium analysis to estimate accumulation rates and date the ice, providing insights into the dynamics of high-altitude cave ice systems under current climatic conditions.
Glacial Relicts? a New Scorpion from Mount Olympus, Greece (Euscorpiidae: Euscorpius)
Researchers have identified a new scorpion species, Euscorpius olympus, in the foothills of Mount Olympus, Greece. This discovery brings the total number of known species in the genus Euscorpius to 74 globally, 32 in Greece, and three in the vicinity of Mount Olympus. The study highlights the unique biodiversity of Mediterranean mountains like Mount Olympus, which have served as glacial refugia during Pleistocene ice ages, contributing to species diversification. The researchers also discuss the potential roles of climatic oscillations, altitudinal gradients, and habitat heterogeneity in shaping the diversity and distribution of scorpion species around this iconic landmark.
How different reproduction protocols can affect the germination of seeds: The case of three stenoendemic species on Mt. Olympus (NC Greece)
Research on three stenoendemic plant species—Centaurea incompleta, Centaurea litochorea, and Viola striis-notata—on Mount Olympus reveals that gibberellic acid treatment significantly enhances seed germination rates for two of the species, achieving levels comparable to embryo viability. This finding highlights a potential strategy for ex situ conservation or reintroduction efforts, crucial for preserving the unique flora of this UNESCO World Heritage Site. The study employed cold stratification and gibberellic acid treatments to break seed dormancy, with viability assessed using tetrazolium and Evans blue solutions. However, no effective treatment was identified for Centaurea litochorea, suggesting species-specific responses to germination protocols.
Impact of Mt. Olympus Honeys on Virulence Factors Implicated in Pathogenesis Exerted by Pseudomonas aeruginosa
Mount Olympus honeys exhibit significant antimicrobial activity against Pseudomonas aeruginosa, a globally concerning antibiotic-resistant pathogen. This study found that 20 honey samples from the region inhibited key virulence factors more effectively than Manuka honey, particularly at concentrations of 6% and 8% (v/v), which reduced biofilm formation to less than 20%. Sixteen honeys showed superior inhibition of elastase activity compared to Manuka honey, while 17 reduced pyoverdine production. Nearly all samples also suppressed pyocyanin production, with nine demonstrating stronger swimming motility inhibition. The research highlights the potential of Mount Olympus honeys as natural alternatives in combating P. aeruginosa-related infections.
Microclimate Monitoring Using Wireless Sensors for the Conservation of Cultural Heritage: The Case of the Holy Cross Hermitage in Olympus Area, Greece
A wireless sensor network successfully established long-term microclimate monitoring within the Holy Cross Hermitage, a cave site in Greece's Mount Olympus region housing 14th-century wall paintings. The study found that continuous tracking of indoor temperature, humidity, and CO₂ levels provided critical insights into environmental conditions, enabling proactive identification of potential threats to the heritage site. This approach offers a scalable solution for conservation planning by allowing timely intervention based on real-time data analysis.
Adopting Digital Tools & Technology to Evolve Sustainable Tourism at World Heritage Sites: Case Studies from India and Greece
Digital tools and technology can significantly enhance sustainable tourism at UNESCO World Heritage Sites, balancing increased visitation with conservation efforts. The study demonstrates that adopting these technologies—ranging from simple to advanced systems—can improve visibility, manage visitor capacity, and generate revenue for heritage preservation, even in remote or lesser-known sites. Case studies from Greece (Mount Olympus) and India illustrate how such interventions can mitigate the negative impacts of mass tourism while capitalizing on opportunities like those presented by the COVID-19 pandemic. These findings suggest a scalable model for global application, offering both academic and practical insights into sustainable heritage management.
DEM-Based UAV Flight Planning for 3D Mapping of Geosites: The Case of Olympus Tectonic Window, Lesvos, Greece
A novel DEM-based UAV flight planning methodology enables efficient 3D mapping of geosites, exemplified by the Olympus Tectonic Window on Lesvos island. The approach integrates topography (slope, aspect, elevation) into semi-automated algorithms to optimize data acquisition and cartographic outputs. Results demonstrate that DEMs significantly enhance flight plan design, yielding high-resolution point clouds, digital elevation models, and orthophotomaps. This method advances geoheritage conservation by providing a systematic framework for detailed geosite documentation, addressing critical gaps in current 3D mapping practices.
Bumblebee diversity and pollination networks along the elevation gradient of Mount Olympus, Greece
Mount Olympus, Greece, hosts one of the richest bumblebee diversities in Mediterranean Europe, with 22 species recorded, including four at their southernmost distribution limits and a new species for Greece. The study, conducted across 10 sites from 327 to 2,596 meters above sea level over three years (2013–2016), revealed that bumblebee and flowering plant richness followed distinct unimodal patterns along the elevation gradient. Bumblebee diversity peaked at high altitudes (1,900–2,200 m a.s.l.), while plant diversity was highest at lower to intermediate altitudes (500–1,500 m a.s.l.). Pollination networks were most diverse and generalized between 1,500–1,800 m a.s.l., with nestedness peaking at low and high elevations. These findings underscore the differential conservation value of Mount Olympus's altitudinal zones for bumblebees, their host plants, and their interactions, particularly in the context of climate change.
Tree Line Shift in the Olympus Mountain (Greece) and Climate Change
Research on Mount Olympus, Greece, reveals a significant upward shift in the tree line within the protected Olympus National Park core, directly linked to rising temperatures during the growing season. This finding underscores the impact of climate change on forest ecosystems, even in long-standing protected areas established since 1938. The study analyzed GIS data on forest cover alongside climate change trends, demonstrating that forest expansion and tree line movement are driven by warmer conditions. These results provide critical evidence for the broader relationship between temperature increases and upward tree line shifts, contributing to global discussions on climate change's effects on biodiversity and conservation efforts.
The geotectonic evolution of Olympus Mt and its mythological analogue
Mount Olympus, Greece's highest peak at 2918 meters, is renowned for its cultural significance as the mythological home of ancient Greek gods like Zeus. A striking parallel emerges between its geotectonic evolution and a lesser-known myth involving the giant siblings Otus and Ephialtes, who sought to stack mountains to reach Olympus. The study reveals that the geological processes shaping the region—such as the stacking of Mount Ossa on Olympus and Mount Pelion on Ossa—mirror the mythological narrative with eerie precision. While these tectonic events occurred 8–10 million years ago, long before human existence, the similarities suggest a deeper connection beyond coincidence. The research combines geological analysis with mythological interpretation to explore whether such parallels are purely coincidental or reflect an ancient understanding of Earth's dynamic processes.
Religion and Society in Ancient Thessaly
Ancient Thessaly, nestled beneath Mount Olympus and between Delphi and the fertile plains of Greece, presents a complex and often overlooked facet of Greek civilization. Contrary to the dominant image of ancient Greece as moderate, rational, and democratic, Thessaly was characterized by strict oligarchic governance, a reputation for indulgence and witchcraft, and a strong association with legendary heroes like Achilles and Hellen. This study reveals that Thessaly played a pivotal role in shaping Greek identity, challenging traditional narratives about the region's political and social organization. By analyzing regionalism in Greek religion, citizenship, group identities, and cult activities, the research highlights how religion served as a cornerstone for Thessalian identity and their place within the broader Greek world. It also explores how Thessaly has been perceived both by ancient and modern scholars, providing new insights into the diverse expressions of Greekness.
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