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Publications

Showing 15421 – 15440 of 15962 publications

Seasonal variation of the phytoplankton community structure in the São João River, Iguaçu National Park, Brazil

Iguaçu National Park — 2013 — WHE914BDF55AC

A study of the São João River, a tributary of the Iguaçu River within Iguaçu National Park, Brazil, revealed significant seasonal and spatial variations in phytoplankton community structure. Over an annual cycle (August 2008 to July 2009), 221 taxa were identified, with Bacillariophyceae dominating both in density and biovolume. Detrended Correspondence Analysis (DCA) highlighted distinct differences between seasons and sampling sites, driven primarily by limnological factors such as temperature, transparency, and nutrient availability. While temporal heterogeneity was observed in diversity indexes and evenness, spatial similarity persisted due to the proximity of study stations and unidirectional flow characteristics typical of lotic environments.

Ship incident risk in the areas of Tubbataha and Banc d'Arguin: A case for designation as Particular Sensitive Sea Area?

Banc d'Arguin National Park — 2013 — WHE8EB3C69887

Research confirms that ship incident risk has increased significantly near the Banc d'Arguin National Park (Mauritania) and Tubbataha Reef National Park (Philippines), supporting their potential designation as Particular Sensitive Sea Areas (PSSA) under the International Maritime Organization (IMO). The study employed an integrated framework combining comprehensive data to estimate total risk exposure from shipping activities, revealing a rising trend in risk measures for vessels operating in or near West Africa and Southeast Asia. This finding underscores the need for heightened protection for these ecologically vital UNESCO sites, which are vulnerable to growing maritime traffic.

Soundscape of the West Lake Scenic Area with profound cultural background—a case study of Evening Bell Ringing in Jingci Temple, China

West Lake Cultural Landscape of Hangzhou — 2013 — WHEB15092B009

Research on the soundscape of Hangzhou's West Lake Cultural Landscape reveals that natural, cultural, and historic sounds significantly influence people's subjective experiences. The study, focusing on the Evening Bell Ringing at Jingci Temple, analyzed objective physical indices in winter and spring, combined with subjective evaluations from participants. Findings demonstrate a strong correlation between the soundscape and the local environment, history, and culture, emphasizing the importance of integrating these elements for a cohesive and meaningful auditory experience. This insight underscores the interplay between natural and cultural factors in shaping the perception of scenic areas.

Spatial Factors Play a Major Role as Determinants of Endemic Ground Beetle Beta Diversity of Madeira Island Laurisilva

Laurisilva of Madeira — 2013 — WHED5FBCD78BE

Spatial factors significantly influence the beta diversity of endemic ground beetles in Madeira Island's Laurisilva, a relict forest. The study found that 31.9% of species turnover and 40.7% of species richness variation could be explained by environmental and spatial variables. Climate, disturbance, soil organic matter content, altitude, and slope were key determinants, with spatial variables indicating the importance of dispersal ability and the island's complex orography. The research used a spatially explicit analysis to evaluate the contribution of pure environmental, pure spatial, and environmentally structured effects on beetle species richness and composition.

Spatial user interface for experiencing Mogao caves

Mogao Caves — 2013 — WHE4ACA38BAD6

A novel spatial user interface, Pure Land AR, enables immersive virtual exploration of the UNESCO World Heritage Site Mogao Caves using handheld devices. This installation leverages augmented reality (AR) to provide users with an interactive experience, allowing them to virtually visit and engage with the historic site. Deployed in museums and galleries, it demonstrates the potential for spatial interfaces to enhance cultural heritage accessibility. User responses indicate positive reception, highlighting the effectiveness of this approach in bridging physical and digital experiences.

Speaking of fire: reflexive governance in landscapes of social change and shifting local identities

Canaima National Park — 2013 — WHECBD14097C7

Indigenous peoples in Canaima National Park, Venezuela, gain confidence to engage in dialogue with other actors when their marginalized environmental knowledge is publicly acknowledged within endogenous cultural processes. This finding emerges from three participatory research projects in the Gran Sabana region that facilitated dialogue among indigenous groups regarding their conflicting views of fire. The studies fostered community-wide critical reflections on cultural change and identity formations, suggesting a pathway to reflexive environmental governance in intercultural settings marked by conflict and rapid social transformation.

Stadtgeschichten: Rumor, Gossip, and the Making of Classical Weimar

Classical Weimar — 2013 — WHE5FE6DF3204

Rumor and gossip played a pivotal role in shaping Classical Weimar's cultural significance, acting as instrumental forces rather than obstacles. This study reveals how urban limitations in 18th-century Weimar facilitated the circulation of rumors and gossip, which helped negotiate tensions between the court and the town, elevating Weimar to national prominence. By linking these social phenomena to the built environment, the research demonstrates that persistent rumors were crucial in transcending material restrictions and establishing Classical Weimar's iconic status in German cultural history.

State and Uncivil Society in Thailand at the Temple of Preah Vihear

Temple of Preah Vihear — 2013 — WHED60AF6F3BA

The dispute over the Temple of Preah Vihear, which began in 2008, initially fostered cooperation between Thailand and Cambodia, transforming a territorial conflict into a symbol of regional friendship. However, ultra-nationalist movements, supported by civic groups and institutions, derailed this progress, turning the temple into a source of animosity between the two nations. This study reveals how Thailand's strategic shift toward cultural diplomacy was undermined by domestic political forces, highlighting the complex interplay between state policy and civil society in shaping international relations.

Status of Horned Helmet Cassis Cornuta in Tubbataha Reefs Natural Park, and Its Trade in Puerto Princesa City, Philippines

Tubbataha Reefs Natural Park — 2013 — WHEA6104AD62F

A nationwide survey is needed to fully document the status of the giant reef gastropod Cassis cornuta, also known as the horned helmet, and the extent of its trade. This study found that most sampled C. cornuta in Tubbataha Reefs Natural Park (TRNP) were large, suggesting minimal exploitation at the site. Regression analyses indicated that shell dimensions are significant determinants of body weight, with growth rates declining as shell size increased. Despite being protected under Philippine law, shells of C. cornuta were openly displayed for sale in souvenir shops in Puerto Princesa City, highlighting a gap between legal protection and enforcement. The study emphasizes the need for further research on population dynamics, survival, and exploitation to inform more effective conservation measures for this vanishing species.

Stone deterioration and replacement of natural building stones at the Cologne cathedral - A contribution to the preservation of cultural heritage

Cologne Cathedral — 2013 — WHE0642CD5979

A comparative analysis of stone deterioration at three medieval cathedrals—Cologne, Xanten, and Altenberg—revealed that industrial pollution significantly accelerates weathering processes in both carbonate and silicate stones. The study identified distinct weathering patterns, such as crust formation and structural degradation, which vary in intensity based on environmental conditions. By correlating petrophysical properties with empirical data from laboratory tests and in situ observations, the research developed a weathering model for Drachenfels Trachyt and proposed a systematic approach to evaluate the compatibility of historical and modern replacement stones. This work provides critical insights into the preservation challenges posed by material interactions and environmental factors at UNESCO World Heritage Sites.

Strategic Participatory Planning in Archaeological Management in Greece: The Philippi Management Plan for Nomination to UNESCO’s World Heritage List

Archaeological Site of Philippi — 2013 — WHEB78D38AB7C

Strategic participatory planning in archaeological heritage management can significantly enhance the effectiveness of management plans, such as those for UNESCO World Heritage Site nominations. A case study from Philippi, Greece, reveals that conventional approaches often treat the management plan as an endpoint rather than a continuous process. The research identifies constraints and benefits of participatory planning, arguing for more critical evaluations to improve this approach in Greece and globally. This paper advocates for deeper analysis of the planning process itself to foster long-term improvements.

Street‐naming, tourism development and cultural conflict: the case of the Old City of Acre/Akko/Akka

Old City of Acre — 2013 — WHEB92F576494

Place-naming in the Old City of Acre, Israel, serves as both a tool for tourism development and a catalyst for cultural conflict. The study reveals that official street names, often chosen by development agencies like the Acre Development Company, clash with the oral naming systems used by local Arab residents, leading to symbolic struggles over the city's identity. While prior research focused on prestige or profit motivations in place-naming, this work uniquely examines tourism-driven naming and its societal implications, including resident reactions and contested identities. The analysis combines historical context with qualitative methods to uncover how naming processes reflect broader tensions between heritage preservation, commercialization, and local agency.

Strengthening the 100‐year‐old reinforced concrete dome of the Centennial Hall in Wrocław

Centennial Hall in Wrocław — 2013 — WHE63BCC83586

A century after its construction, the reinforced concrete dome of Centennial Hall in Wrocław—once the world's largest—was successfully strengthened using external prestressing techniques. This innovative approach addressed structural weaknesses in the 65-meter-diameter dome, ensuring its longevity while preserving its modernist architectural significance. The study involved a detailed assessment of the hall's condition, numerical simulations to model stress distribution, and the implementation of prestressing cables along the lower tension ring. Recognized as a UNESCO World Heritage Site for its pioneering engineering, Centennial Hall's renovation serves as a case study in sustainable heritage conservation, balancing structural integrity with historical preservation.

Surface Morphology of Basalt Columns at Svartifoss, VatnajökulsÞjóðgarður, Southern Iceland

Vatnajökull National Park - Dynamic Nature of Fire and Ice — 2013 — WHE2B8A9DA489

A striking discovery at Svartifoss, within Vatnajökull National Park, reveals the complex surface morphology of basalt columns, characterized by unique horizontal striations and millimeter-scale laminations. These features, previously undescribed, exhibit crescentic hackles with a plumose pattern, suggesting tensile stresses during fracture propagation. Additionally, circular rings on the horizontal parting surfaces display radiating hackles, likely resulting from late-stage melt migration driven by load-induced pressure gradients. Petrographic analysis confirmed an interlocking network of plagioclase laths aligned perpendicular to column axes, offering insights into the basalt's formation and structural dynamics.

Synthesis of Axially Chiral 1,1′‐Binaphthalenes by Palladium‐Catalysed Cross‐Coupling Reactions of Triorganoindium Reagents (Eur. J. Org. Chem. 13/2013)

Tower of Hercules — 2013 — WHE400354B52D

Researchers have developed a highly versatile and enantioselective synthesis of axially chiral 1,1′-binaphthalenes using palladium-catalyzed cross-coupling reactions with triorganoindium reagents. This method allows for the transfer of three groups attached to the indium atom, offering significant flexibility in molecular design. The study highlights that the best enantiomeric excesses are achieved using (R,S)-PPFA as a chiral ligand, enabling precise control over the stereochemistry of the products. Conducted against the backdrop of the Tower of Hercules, Spain's oldest lighthouse and a UNESCO World Heritage Site, this work advances synthetic organic chemistry by providing a robust approach to generating complex chiral molecules with potential applications in pharmaceuticals and materials science.

Techno-economic analysis of solar photovoltaic power plant for garment zone of Jaipur city

Jaipur City, Rajasthan — 2013 — WHE0469BD4601

A techno-economic analysis reveals that off-site solar photovoltaic (PV) power plants offer significant financial advantages over on-site options for the garment zone in Jaipur, India. The study estimated a 2011 energy demand of 2.21 MW and proposed a 2.5 MW solar PV plant requiring 13.14 acres of land. Off-site plants demonstrated superior performance with an internal rate of return (IRR) of 15.10%, net present value (NPV) of 249.78 million INR, and a levelized cost of energy (LCOE) of Rs. 11.40 per kWh—markedly better than on-site counterparts. The analysis also highlighted shorter payback periods for off-site plants, underscoring their economic viability in addressing Jaipur's growing energy needs while mitigating land scarcity challenges.

The ancient forests of La Gomera, Canary Islands, and their sensitivity to environmental change

Garajonay National Park — 2013 — WHEC2F54565AA

A rapid shift in forest composition occurred around 5500 years ago in Garajonay National Park, La Gomera, Canary Islands, coinciding with regional drying trends. This transition saw declines in hygrophilous species like the Canarian palm and willow, alongside an increase in Morella–Erica heath. Unlike other regions, human arrival between 3000 and 1800 years ago did not significantly alter vegetation dynamics, suggesting the park preserves a largely natural relict forest. The study used palaeoecological techniques—including pollen and charcoal analysis—to reconstruct environmental changes over the last 9600 years, highlighting its resilience to human impacts.

The Archaeology of Greek and Roman Troy

Archaeological Site of Troy — 2013 — WHE455EA8AF08

Troy's evolution from a Bronze Age settlement to a Roman city and later a Homeric tourist destination is chronicled through comprehensive archaeological analysis. Charles Brian Rose reexamines the Trojan War's context, tracing social, economic, and religious developments in Troy and its surrounding region. The study synthesizes excavations from the 19th century to recent findings (post-1988), focusing on Greek and Roman-era settlements while also exploring how medieval Europe mythologized Trojan ancestry. By integrating historical records with material culture, Rose reconstructs Troy's transformation into a cultural symbol, offering new insights into its enduring legacy.

The City of Lübeck and the Internationality of Early Hanseatic Trade

Hanseatic City of Lübeck — 2013 — WHE16EF08906A

Early Hanseatic trade in the Baltic region reached significant internationalization, with Lübeck playing a pivotal role. This study reveals how the city's strategic position and economic policies facilitated the expansion of long-distance commerce, integrating Northern European markets. By analyzing historical records, archaeological evidence, and trade documents, researchers trace the development of Lübecks infrastructure and its influence on the Hanseatic League's growth. The findings highlight Lübeck's importance in connecting regional economies, shaping medieval European trade networks.

The Conservation and Strengthening Intervention on the Wooden Floors of the Ducal Palace in Sabbioneta (MN-Italy)

Mantua and Sabbioneta — 2013 — WHE1A214901EB

A meticulous conservation and strengthening intervention on the sixteenth-century wooden floors of the Ducal Palace in Sabbioneta, Italyrevealed critical challenges in preserving such historically significant structures. The study highlights the necessity for expert restoration techniques, continuous oversight by architectural heritage authorities, and a phased approach to address structural integrity without compromising decorative elements. Conducted under the supervision of the Director of Works, Manager of Procedure, and Superintendence for Architectural Heritage and Landscape of Mantua, this intervention underscores the complexities of maintaining high-value cultural assets while balancing technical precision with historical authenticity.