Historic Cairo
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A new approach using morphological regionalization reveals significant historical urban areas in Cairo's Bulaq Abulela quarter that are currently unprotected, challenging existing conservation boundaries. This method, applied to trace the area's morphological transformation, highlights gaps in local protection frameworks and advocates for its integration into future boundary delimitation processes. The findings underscore the need to revise current protection strategies to better safeguard Cairo's historic urban fabric amid rapid urbanization pressures.
Dinosaur Provincial Park
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2021 —
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Strontium isotope analysis of dinosaur enamel from Dinosaur Provincial Park, Canada, reveals distinct migratory patterns: hadrosaurs traveled under 100 km, while ceratopsians ranged up to 200 km. This geochemical approach, leveraging enamel's resistance to diagenesis, also suggests some plesiosaurs inhabited freshwater environments. Additionally, conodonts from Silurian deposits in Gotland, Sweden, were found to exclusively occupy marine settings, with trophic partitioning evident among co-occurring taxa. The study highlights the potential of strontium ratios in reconstructing paleoecological behaviors and habitat preferences across evolutionary timescales.
Teide National Park
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Inoculation with specific Bradyrhizobium strains significantly enhances the growth, survival, and nitrogen fixation of Spartocytisus supranubius, a keystone legume species in Teide National Park. The study demonstrated that inoculated plants exhibited higher nodule formation, biomass, and water content, both under greenhouse conditions and in field trials. This approach not only accelerates plant development but also improves stress resilience, offering a promising strategy for the conservation of this threatened species. By leveraging rhizobial inoculation—a technique traditionally used in agronomy—the research provides a novel method to support ecosystem stability in nitrogen-poor high-mountain environments.
The Causses and the Cévennes, Mediterranean agro-pastoral Cultural Landscape
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2021 —
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A multidisciplinary analysis of Late Neolithic collective burials in southeastern France reveals distinct cultural practices between cave and dolmen burial sites. While both regions—Languedoc oriental and southern Cévennes—showed no significant differences in burial management, the Languedoc oriented exhibited a systematic exclusion of younger individuals, whereas the Cévennes displayed greater variability. Notably, dental markers of para-masticatory activity were found in dolmens of the Cévennes, suggesting basketry or leatherwork among those interred there, unlike cave burials. The study also uncovered evidence of soil preparation for burials, hinting at a symbolic or technical integration of burial sites into funerary practices. This research sheds light on regional variations in Neolithic mortuary customs and craft specialization.
Cocos Island National Park
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2021 —
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In 2019, Cocos Island National Park (CINP) generated approximately US$19.7 million in socioeconomic benefits, with 88% of this value derived at the national level. The study highlights the park's significance as a driver for economic activities, particularly through its rich biodiversity, including critical marine species like the hammerhead shark (<em>Sphyrna lewini</em>). Researchers used cluster analysis and a value chain approach to map productive and non-productive activities linked to the CINP across local, regional, national, and international scales. The findings underscore the vulnerability of these economic benefits to threats such as overfishing and climate change, emphasizing the need for robust conservation measures to safeguard both ecological integrity and socioeconomic returns.
Pre-Hispanic City and National Park of Palenque
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2021 —
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A recent zooarchaeological study at the UNESCO World Heritage Site of Palenque, Mexico, reveals sophisticated Mayan practices for managing animal populations during the Late Classic period. Researchers from the Proyecto Regional Palenque (PREP) analyzed sediment samples from an elite residential complex, uncovering diverse faunal remains—primarily freshwater fish—as well as plant material. This approach allowed them to reconstruct paleolandscapes and identify evidence of selective hunting, domestication, or captivity strategies, providing new insights into the ecological and social dimensions of Mayan urban life. Unlike previous studies focused solely on species identification, this research integrates biological and anthropological perspectives to deepen our understanding of human-animal interactions in ancient Mesoamerica.
Archaeological Area and the Patriarchal Basilica of Aquileia
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2021 —
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Archaeological investigations at the UNESCO World Heritage Site of Aquileia reveal significant commercial spaces dating back to Late Antiquity, providing new insights into the diachronic transformation of urban markets. The study, conducted by the University of Verona since 2018 in the southeastern sector of Aquileia, builds on earlier 20th-century excavations that had already identified commercial areas. This research contributes to a broader understanding of how market spaces evolved over time in Roman cities, particularly along the Adriatic coast.
Great Smoky Mountains National Park
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2021 —
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Plant species identity is the dominant factor shaping arbuscular mycorrhizal (AM) fungal communities, even under disturbances like fire and urbanization. A 2016 wildfire in Great Smoky Mountains National Park, exacerbated by drought and long-term fire suppression, provided a rare opportunity to study the combined effects of fire and urbanization on belowground ecosystems. Researchers found that while burn severity and exurban proximity influenced some AM fungal metrics—such as reduced colonization in burned areas and greater compositional variability in urban-adjacent sites—plant species identity had the strongest effect on AM fungi. No interactive effects between fire and urbanization were detected, suggesting that AM fungal taxa may persist if plant community structure remains stable or undisturbed habitats serve as inoculum sources post-fire. The study underscores the importance of preserving natural, undisturbed areas within wildland-urban interfaces to maintain belowground ecosystem resilience.
Mausoleum of Khoja Ahmed Yasawi
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2021 —
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Archaeological excavations have determined that the underground mosque 'Hilvet', located near the Mausoleum of Khoja Ahmed Yasawi, was constructed in the 12th century and remained active until the mid-20th century. This finding clarifies its historical significance as a key center for Sufism's development in the Islamic world. The study employed historical-comparative and historical-typological methods, prioritizing data analysis to distinguish scientifically verified facts from legends. Previous research had been hindered by discrepancies in historical records and structural modifications, making exact dating challenging. The excavations, initiated in 1972-1973, provide the first reliable evidence of its original appearance and construction timeline, offering new insights into the typological function of such structures.
City of Cuzco
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2021 —
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A novel approach using machine learning and geotagged photographs from Flickr identifies emerging archaeological tourist attractions in Peru, many of which are unmonitored due to their open-access nature. This study highlights 'on-the-rise' sites accessible from five Peruvian cities, offering a scalable method for global application. By analyzing large-scale internet photo datasets, researchers detected patterns that could predict future over-tourism risks, such as pollution and destruction, at these lesser-known heritage locations. The findings underscore the need for targeted conservation efforts and sustainable tourism planning to mitigate potential damage as tourist itineraries expand beyond traditional sites like those in Cuzco.
Central Sector of the Imperial Citadel of Thang Long - Hanoi
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2021 —
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Archaeological excavations at the No.18 site on Hoang Dieu Street, within the Central Sector of the Imperial Citadel of Thang Long-Hanoi, have uncovered significant insights into the city's historical layout, palace construction, aristocratic life, inheritance practices, and cultural exchanges. The findings provide a detailed account of the citadel's role as a political and cultural center during its thousand-year tenure as Vietnam's capital, from its establishment in 1010 under the Ly Dynasty to its recognition as a UNESCO World Heritage Site. This research sheds light on the evolution of Dai La Citadel, predating the Imperial Citadel, and its transformation into Thang Long, offering a comprehensive understanding of its architectural and social significance.
Gebel Barkal and the Sites of the Napatan Region
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2021 —
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Recent archaeological excavations at Jebel Barkal, Sudan, have uncovered a monumental foundation platform linked to elite Meroitic structure B 1700, likely constructed during the reign of King Natakamani (1st century AD). The findings suggest that B 1700 adhered to the classic Meroitic square plan, featuring central columned spaces and distinct functional areas across multiple floors. Analysis of brick masonry, earlier occupation layers, and later activities, including a significant pottery dump used in the platform's fill, provides insights into the site's construction process and its role within the broader temple complex. This research significantly contributes to understanding Napata's development as a political and economic center during the Classic Meroitic period, with implications for reconstructing the history of Jebel Barkal's royal and religious zones.
Stonehenge, Avebury and Associated Sites
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2021 —
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A recent archaeological discovery near the sources of Stonehenge’s stones in southwest Wales challenges centuries-old dismissals of a medieval legend about the monument's origin. Researchers found evidence of a dismantled stone circle, suggesting that the legend—previously considered pure invention—may contain a grain of truth. This study compares the legend with archaeological data to explore its potential historical basis, offering new insights into the origins and cultural significance of Stonehenge, one of the world’s most iconic prehistoric sites.
Incense Route - Desert Cities in the Negev
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2021 —
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Nabataean civilization, centered in Petra, thrived as a wealthy Arab kingdom controlling vital trade routes from Arabia to the Mediterranean and Egypt. Their mastery of stone-cutting and pottery production, particularly during the Roman era, allowed them to dominate international markets with exquisite ceramic vessels and perfumed oils. As a client state under Augustus, their prosperity persisted even after Roman annexation in 106 CE, maintaining economic influence until the 3rd century CE. Their written language, Aramaic, laid foundational linguistic groundwork for modern Arabic. This study synthesizes archaeological evidence and material culture to illuminate Nabataea's geopolitical significance, economic strategies, and cultural legacy in the southern Levant.
Hegmataneh
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2021 —
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A re-evaluation of historical and archaeological evidence challenges the long-held identification of modern Sulaimani with the ancient city of Celonae, mentioned by Roman historian Quintus Curtius Rufus. The study suggests that Celonae was likely located in the northern edges of Garmian district within the Qaradagh ranges, based on Alexander the Great's documented route and Assyrian royal inscriptions referring to a mountain called Siluna. Additionally, the paper dismisses other proposed identifications for Sulaimani, such as Arrakdi (capital of Zamuan Lullubu) or Lagalaga, citing inconsistencies with cuneiform records and geographical evidence. Archaeological findings in Sulaimani, including Ubaid potsherds, Jamdet-Nasr seals, and human skulls, indicate a settlement dating back to the 5th-4th millennium BCE, providing new insights into the region's ancient history.
Qutb Minar and its Monuments, Delhi
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2021 —
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A groundbreaking work that intertwines the history of post-Independence archaeology in India with the life and contributions of Madhukar Narhar Deshpande, a pioneering Indian archaeologist. The book reveals untold conservation stories around iconic sites like the Qutb Minar in Delhi and Gol Gumbad in Bijapur, as well as the lesser-known efforts to preserve the Badrinath temple. It also explores the shared intellectual chemistry between Deshpande and India's first Prime Minister, Jawaharlal Nehru, at historic cave shrines such as Ajanta and Ellora. Through Deshpande's narrative, the book reconstructs the institutional history of the Archaeological Survey of India (ASI), highlighting the challenges faced by its director generals and the processes that shaped its discoveries.
Mesa Verde National Park
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2021 —
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A critical examination of the intersection between archaeology, tourism, and development at Mesa Verde National Park reveals how these forces perpetuate environmental injustices against descendant Pueblo communities. The study highlights that while tourists are drawn to iconic cliff-dwelling sites like Cliff Palace and Spruce Tree House for exploration and fascination, these practices often disregard the ancestral significance of the land for Indigenous peoples. Using a conceptual framework from environmental justice studies, the research advocates for a more ethical approach to heritage management, one that centers the voices and perspectives of descendant communities in conservation and tourism narratives.
Hill Forts of Rajasthan
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2021 —
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New archaeological findings at Bandiyagarh fort, Rajasthan, India, reveal its strategic significance as a fortified hideout for the Parmar dynasty (910–1312 AD.). Located 10 km from Chandravati, the dynasty's capital, and surrounded by natural barriers—steep hills, water-streams, dense forests, and hostile ethnic groups—the fort was designed to evade plunder during the Silk-route trade era. Excavations uncovered water bodies, temples, inscriptions, watchtowers, and structural remains, indicating a blend of Hindu and Jain influences. Geographical analysis suggests Bandiyagarh served as a defensive stronghold, complementing other Parmar forts built for war or concealment in Sirohi's cradle-like terrain.
Biblical Tels - Megiddo, Hazor, Beer Sheba
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2021 —
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A reevaluation of the term 'tōr' in biblical texts, traditionally translated as 'turtledove,' challenges its conventional interpretation. Scholars propose alternative renderings based on zooarchaeological data from the Southern Levant, suggesting that sacrificial birds in ancient Israel may not have been exclusively domesticated. This finding has implications for understanding Israelite cult practices and the relationship between household boundaries and ritual spaces. The study combines archaeological bird remains with biblical indications to refine interpretations of sacrificial rituals.
Te Henua Enata – The Marquesas Islands
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2021 —
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Archaeometric analyses reveal distinct provenances for adze-blades from Nuku Hiva, Marquesas Islands. A basalt flake from Vaitehii I closely matches the local Tekao type tholeiitic basalt, suggesting local origin. In contrast, a phonolite flake from Ha’ahinani traces its source to Ua Pou island, indicating inter-island trade or movement. The study employed mineralogical, petrological, and geochemical techniques to characterize raw materials and outline their provenances, providing insights into ancient maritime connections in Polynesia.
Kairouan
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2021 —
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A detailed archaeoseismological study of the Cherichira aqueduct bridge in Kairouan, Tunisia, reveals that the AD 859 earthquake likely caused significant damage to the Aghlabid-era bridge, potentially rendering it dysfunctional. The research combines historic accounts, 3D laser scan modeling, radiocarbon dating, and geological analysis to assess damage patterns attributable to earthquakes or severe flash floods. Eighteen earthquake scenarios were modeled, with magnitudes ranging from MW6.1 to 7.2, indicating that while some damage may stem from flooding, most is consistent with seismic activity. The study suggests the AD 859 event was particularly destructive but leaves unresolved whether later earthquakes in AD 911 or 1041 led to its complete destruction, pending further dating of bridge sections.
Silk Roads: the Routes Network of Chang'an-Tianshan Corridor
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2021 —
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A pioneering heritage inventory system, ARCHES DUNHUANG, has been developed to safeguard the Buddhist grottoes along China's Gansu Silk Road section. This system leverages open-source Arches platform, integrating semantic graph data modeling and CIDOC-CRM ontology to ensure robust data management, interoperability, and longevity. The project demonstrates how flexible design tools like Arches Designer can be tailored to meet specific conservation needs while providing intuitive visualization through grottoes map plugins. By standardizing data collection and analysis, this system offers a scalable model for managing other Silk Road heritage sites in China and beyond, marking a significant advancement in cultural resource preservation.
Tabriz Historic Bazaar Complex
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2021 —
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A unique architectural innovation, the 'specific karbandis' of Tabriz Historic Bazaar Complex, defies conventional structural geometry. Unlike traditional designs, these ribs exhibit complex forms that deviate from theoretical models while maintaining structural integrity. The study reveals that their implementation varies significantly despite shared geometric principles, challenging existing assumptions about their function and role in roof construction. Through a combination of library research, field studies, and analysis of restoration documentation, the authors uncovered the hidden structural concepts behind these elements. Findings highlight the necessity of considering form, material properties, and application techniques to preserve and restore these at-risk vaults, which are crucial for understanding Tabriz's architectural heritage.
Aachen Cathedral
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Ancient and medieval architectural designs, including those of the Aachen Cathedral, were grounded in geometric and arithmetic principles that reflected cosmic order and harmony. These design canons, often symbolic, served both structural and allegorical purposes, conveying intangible messages from commissioners. Metric analysis of six iconic structures—ranging from the Cheops pyramid to Castel del Monte—reveals consistent design practices with probable semantic content. This study demonstrates that such historical examples can inspire modern sustainable construction by integrating timeless geometric principles into contemporary creative design.
Melaka and George Town, Historic Cities of the Straits of Malacca
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2021 —
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George Town's shophouses, pivotal to its UNESCO World Heritage status, exhibit interior architectural identity design that remains under-researched despite their cultural significance. This study reveals that the definition and origin of 'shophouses' in the region have been overshadowed by western and eastern influences, with their interior design's importance largely unaddressed in existing literature. Using observation, case studies, and secondary sources, the research highlights how interior architectural identity design governs shophouse aesthetics, offering critical insights for stakeholders involved in heritage preservation.
Ellora Caves
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2021 —
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Granite's durability, aesthetic appeal, and versatility have made it a preferred architectural stone since ancient times. This study highlights granite's significance in global architectures, from the Great Pyramid of Giza to India's Ellora Caves and monolithic structures like Lalibela's churches. However, recent research shows that some granite products exceed permissible radioactivity limits, posing environmental concerns. The study also explores other durable rocks used in Indian architecture, including sedimentary, metamorphic, and igneous varieties. By analyzing mineralogical characteristics and textural diversity, the research underscores granite's enduring role while cautioning about its potential radioactive impact.
Seokguram Grotto and Bulguksa Temple
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2021 —
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Recent architectural analysis of the Seokguram Grotto, a UNESCO-listed Korean Buddhist site, reveals its unique structural and compositional sophistication. By comparing its features with other ancient hypogeal constructions, researchers uncovered hidden proportions and cohesive construction techniques that distinguish it from similar structures. The study also explores subtle lighting effects and philosophical underpinnings, demonstrating Seokguram's enduring relevance through modern parallels, such as Tadao Ando’s Buddha Hill in Hokkaido (2017). This rediscovery of its latent architectural properties offers new insights into Korean heritage conservation and monument design.
Berlin Modernism Housing Estates
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2021 —
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During the Weimar Republic, German architecture and urban planning faced significant challenges, marked by economic hardship and the need for large-scale housing solutions. While visionary modernist projects, such as Berlin's housing estates and the Bauhaus movement, gained international attention, they did not dominate the era. Instead, a 'multiple modernity' emerged, blending radical modernist forms with traditional elements. This study reveals that pragmatic, cost-saving approaches to industrialized housing construction were more prevalent than the avant-garde ideals of Neues Bauen, which later influenced global architecture after its exiles in 1933.
Xanthos-Letoon
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2021 —
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A new virtual reconstruction of the Nereid Monument at Xanthos-Letoon, one of the most famous structures from the Lycian period, has been proposed based on a critical reassessment of historical reconstructions. Utilizing advanced 3D technologies and photogrammetric data, researchers evaluated past reconstructions—including those from the 19th century—and identified inaccuracies or issues in their publication. This innovative approach, supported by the French government’s IdEx program, combines architectural analysis with interactive educational tools to enhance public accessibility and scholarly understanding of this UNESCO World Heritage Site.
Historic Jeddah, the Gate to Makkah
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2021 —
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Historical buildings, such as the Hazzazi House in Jeddah, Saudi Arabia, demonstrate significant potential to mitigate airborne virus transmission through natural ventilation. A study published in <em>International Journal of Environmental Research and Public Health</em> found that effective air ventilation in heritage structures can substantially reduce the risks of spreading infectious viruses like COVID-19. The research integrated data on wind speed, direction, inflow/outflow, and natural ventilation to model disease transmission risks, revealing that well-designed historic buildings inherently offer advantages for public health during pandemics. This insight underscores the importance of preserving traditional architectural features, particularly those facilitating airflow, as a strategy to combat infectious diseases in urban environments.
Orkhon Valley Cultural Landscape
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2021 —
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Research demonstrates that consumer-grade UAV technology can efficiently record large areas of medieval heritage sites, even under strict time constraints. The study developed optimized workflows for rapid data acquisition, focusing on two Central Asian case studies: the Medieval fortifications in Bukhara (Uzbekistan) and the Orkhon Valley (Mongolia). By integrating videogrammetry with single-shot imagery, the approach ensures gap-free coverage while maximizing area coverage. The findings provide practical guidelines for low-cost, off-the-shelf hardware and software, offering a scalable solution for documenting heritage sites that cannot be preserved in their entirety.
Costiera Amalfitana
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Abandoned cultural heritage, particularly from the proto-industrial era linked to milling and paper production, remains undervalued in the inland areas of Costiera Amalfitana, despite its historical significance. This study maps and documents these disused structures, offering a framework for their potential economic revitalization through complementary tourism. Using census-based methods, geographic location analysis, and photographic documentation, researchers identified a rich but neglected material and immaterial heritage that could enhance the region's tourist offerings beyond its coastal appeal.
Wooden Churches of Southern Małopolska
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2021 —
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Traditional agricultural systems in the Kraków-Częstochowa Upland, Poland, are critical to preserving both biological and cultural diversity. The study reveals that the abandonment of these systems due to socio-economic changes and environmental policies threatens the region's unique biocultural heritage. Using a SWOT analysis, researchers identified strong interdependencies between cultural practices and biodiversity, emphasizing the need for sustainable agricultural strategies to protect this UNESCO-recognized landscape. The findings highlight the importance of integrating traditional knowledge with modern conservation efforts to safeguard both ecological and cultural values.
Mantua and Sabbioneta
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2021 —
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A research project in Mantua and Sabbioneta successfully engaged residents and tourists to recover and reinterpret the towns' collective memory through participatory methods. The initiative developed a kit combining personal narratives, historical maps, photos, and field trips with secondary school students, fostering new perspectives on the cities' art heritage and landscapes. Interviews with key informants enriched the collected material, offering a dynamic approach to preserving shared history while adapting it for contemporary audiences.
Cueva de las Manos, Río Pinturas
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2021 —
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Cueva de las Manos, a UNESCO World Heritage Site in Patagonia, Argentina, offers a unique window into the past through its extensive rock art panels, spanning 9400 to 2500 years ago. A notable finding is the identification of recurring themes—scenes of hunting and pregnant guanacos (a type of South American camelid)—in relation to hand stencils, suggesting a deep cultural significance tied to subsistence and symbolic representation. By integrating ethnographic records, mythological narratives from the Tehuelche people, and historical accounts, researchers propose that these themes reflect enduring cultural practices and beliefs. This interdisciplinary approach not only advances our understanding of prehistoric Patagonia but also contributes to the construction of a collective memory that bridges ancient and contemporary societies.
Abu Mena
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2021 —
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A significant discovery sheds light on the artifacts of early Christian pilgrimage, particularly focusing on Menas flasks associated with Saint Menas, a revered martyr from Egypt. These flasks, housed at the Hallie Ford Museum of Art, provide tangible evidence of religious devotion and the veneration practices of early Christians. The study examines the historical and cultural significance of these objects, tracing their origins to the fourth-century church built at Abu Mena, a site of profound spiritual importance. By analyzing these artifacts, researchers uncover insights into the material culture of Christian pilgrimage during this period, offering a glimpse into the religious and social dynamics of late antiquity.
Rock Carvings in Tanum
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Researchers developed AI models capable of automatically identifying and classifying Bronze Age rock carvings (petroglyphs) with high accuracy, particularly for boats, circles, human figures, and wheels. Using a novel 3D documentation method that reduces bias, the team trained faster region-based convolutional neural networks (Faster-RCNN) on over 4000 images from 408 scans of rock art sites in Tanum, Sweden. Data augmentation and transfer learning enhanced model performance, demonstrating the potential for AI to unlock new insights into Bronze Age social structures and ideologies. This interdisciplinary study also reflects on the implications of integrating artificial intelligence with archaeology and digital humanities.
Old City of Salamanca
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Cities shaped by universities can be characterized by a set of distinctive traits—transversality, interdisciplinarity, pluralism, creativity, inclusivity, and openness—that define their identity. This doctoral thesis identifies Salamanca (Spain) as a model university city where the integration of university projects with local development has solidified these attributes, contrasting it with Campinas (Brazil). Through conceptual historical analysis and comparative modeling, the study demonstrates that such traits are most evident when universities align with territorial and community interests, reinforcing the city’s identity. The research highlights how public policies and collaborative actions can foster this dynamic, offering a framework for understanding university-city relationships during the 19th to 20th century transition.
Bikini Atoll Nuclear Test Site
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Bikini Atoll, once a pristine Pacific paradise, now bears the scars of 23 nuclear explosions conducted between 1946 and 1958 under Operation Crossroads. This study reveals its dual identity as both a site of fantasy and trauma, challenging postcolonial geography narratives while offering a vivid account of its irradiated landscape—from decaying WWII battleships to mutated coconuts. The research employs a unique blend of ultra-deep scuba diving, abject poetics, and subaquatic imagery to explore place and subjectivity, bridging personal narrative with critical inquiry. By immersing in the atoll's psychological and aesthetic dimensions, the study provides a haunting yet essential reflection on nuclear legacy and environmental consequences.
Historic City of Ahmadabad
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A novel fit-for-purpose urban building energy modeling (UBEM) framework has been developed, which balances the level of detail (LoD) required for different types of buildings to optimize data collection and model reliability. The study found that higher LoD is crucial in occupancy modeling for residential and educational buildings, while commercial buildings require more detailed envelope characteristics. This approach enables targeted data collection efforts, improving the accuracy and efficiency of UBEMs at large geographical scales. The framework was demonstrated using a case study in Ahmedabad, India, highlighting its potential to enhance sustainable urban design and operations.
Kathmandu Valley
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Cinnamomum camphora emerges as the most resilient plant species for roadside vegetation barriers in Kathmandu Valley, Nepal, demonstrating superior tolerance to air pollution. This finding is significant for urban greening strategies aimed at mitigating traffic-related pollutants. The study evaluated nine plant species using biochemical parameters (relative water content, leaf extract pH, total chlorophyll, and ascorbic acid) alongside dust-capturing potential. While Schefflera pueckleri, Psidium guajava, and Ficus benjamina exhibited sensitivity to pollution, others like Nerium oleander and Albizia julibrissin showed moderate tolerance but excelled in dust capture. N. oleander, in particular, stood out for its high dust-capturing ability, making C. camphora, N. oleander, and A. julibrissin the top candidates for roadside planting to enhance air quality.
Historic City of Yazd
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A study assessing tourism potential in Yazd's Fahadan neighborhood reveals that while the host community highly values the impact of UNESCO World Heritage inscription, tourists prioritize local capacities. Despite positive perceptions from locals and the area's cultural richness, inefficiencies in tourism management hinder its ability to attract visitors. The research used surveys with 170 participants each from both groups, analyzing responses via SPSS to evaluate three key components: impacts of inscription, local capacities, and other factors. Findings highlight a disconnect between community attitudes and tourist expectations, underscoring the need for improved organizational oversight.
Venice and its Lagoon
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Glyphosate, one of the most widely used agricultural chemicals globally, is present in the Venice Lagoon primarily due to external inputs from river inlets and local agricultural activities. A study analyzing water, suspended particulate matter, and sediment samples from seven sites between 2019 and 2021 found maximum glyphosate concentrations of 260 ng/L in lagoon water, 7 ng/L in suspended particulate matter, and 15 ng/g in sediment, with spatial and temporal variations. The research employed ion chromatography coupled with tandem mass spectrometry to assess glyphosate levels, providing insights into its distribution and sources in this unique ecosystem.
Þingvellir National Park
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A novel device designed for field studies successfully captures visitors' moment-to-moment perception of overcrowding, offering deeper insights into the quality of nature experiences compared to traditional questionnaires. Applied at Þingvellir National Park this interdisciplinary approach combines User Experience research with overcrowding assessment techniques. The device, featuring two buttons for signaling perceived overcrowding or emptiness, records time, location, and button events locally and anonymously, adhering to GDPR standards. Initial findings reveal that moment-to-moment self-reporting complements traditional methods, providing a more nuanced understanding of visitor disturbance and its spatial-temporal dynamics. This research has significant implications for sustainable park management, helping managers, designers, and rangers optimize infrastructure and visitor flow to mitigate overcrowding effects.
Derwent Valley Mills
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A novel approach using limits-of-acceptability (LoA) uncertainty analysis successfully constrained behavioral simulations of landscape evolution models (LEMs), addressing challenges posed by model equifinality and sparse calibration data. Applied to the River Derwent and Cocker catchments in the UK, this method improved the reliability of hydrological and geomorphic predictions, capturing high-magnitude sediment events with metrics ranging from 24.4% to 41.2%. The study highlights that integrating varying observation quality within uncertainty frameworks can refine model performance, offering a practical path toward full-ensemble uncertainty evaluation. This approach holds promise for better understanding flooding events and morphological changes in UNESCO World Heritage Sites like Derwent Valley Mills, where diverse but often limited data are available.
Cerrado Protected Areas: Chapada dos Veadeiros and Emas National Parks
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A study reveals that the blue-and-yellow macaw (Ara ararauna) in Brazil's Emas National Park faces critical population viability risks due to roadkill and nest poaching, potentially leading to extinction within a decade. The research models population dynamics under these threats, showing that 5000 individuals are needed for viability when both factors are considered. Roadkill alone requires 4500–7500 birds, while nest poaching demands 2000. The model highlights sensitivity to female reproduction age and adult survival rates, underscoring how human activities threaten even highly mobile species in protected areas.
Brazilian Atlantic Islands: Fernando de Noronha and Atol das Rocas Reserves
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Research around Fernando de Noronha Archipelago reveals that four pelagic predatory fish—yellowfin tuna, wahoo, barracuda, and dolphinfish—exhibit specialized yet distinct feeding strategies, minimizing competition through low trophic niche overlap. Stable isotope analysis confirmed their coexistence by targeting different prey, despite their generalist/opportunistic diets. Yellowfin tuna displayed the highest dietary diversity, while barracuda and wahoo showed notable overlap (R0 = 0.72). The study highlights the archipelago's role in supporting diverse trophic interactions among these key predators.
City of Valletta
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Urban ecosystem service assessments can effectively support greening strategies by identifying nature-based solutions that address inequalities in green infrastructure access. The study found that Valletta, Malta, exhibits significant disparities in ecosystem service capacities, with the highest concentrations in urban fringes and the lowest in dense cores. Private gardens and urban trees demonstrated the greatest regulating ecosystem service capacity per unit area, while public gardens excelled in cultural ecosystem services. Socio-economic factors, such as schooling, employment, sickness, disability, and old age, were linked to unequal access to high-capacity ecosystems, with disadvantaged communities having reduced proximity to these resources. The research used proxy-based indicators, expert knowledge, proximity, and correlation analyses to map 14 ecosystem services and evaluate their distributional implications.
Danube Delta
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2021 —
WHE0BDE27F1B8
Wild migratory birds in the Danube Delta Biosphere Reserve carry significantly higher numbers of Vibrio species compared to sedentary birds, with 74.66% of isolates coming from migratory species. Alarmingly, 81.57% of these Vibrio strains exhibit multidrug resistance (MDR), particularly against penicillins, aminoglycosides, and macrolides, indicating a substantial risk of pathogen dissemination in this UNESCO World Heritage Site. The study, which analyzed 170 bird samples using selective media and molecular methods, confirms that migratory birds—transiting through diverse environments—are more likely to harbor MDR Vibrio strains, including V. cholerae (14.33%), V. mimicus (17.33%), and V. vulnificus (10.88%). The findings underscore the need for targeted surveillance of antibiotic resistance in migratory species to mitigate ecological and public health risks.
The Sundarbans
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2021 —
WHE2445CAB90A
Between 2000 and 2020, the Indian Sundarbans lost approximately 110 km² of mangrove forest to erosion within its reserve areas, while gaining about 81 km² through plantation and regeneration in inhabited zones. Despite these gains—primarily outside contiguous mangroves—satellite-derived health indicators (EVI and NDVI) reveal a pronounced deterioration in mangrove condition, especially in sea-facing regions. This decline correlates with rising salinity, temperature increases, and reduced rainfall during pre- and post-monsoon periods. The study, using supervised classification of Landsat and MODIS imagery, also documents shifts toward salt-tolerant species while freshwater-loving genera like <em>Heritiera</em>, <em>Nypa</em>, and <em>Sonneratia</em> decline. These findings underscore the Sundarbans' vulnerability to climate change, threatening its ecological integrity and carbon storage capacity.
