Fujisan, sacred place and source of artistic inspiration
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A study reveals that the centuries-old practice of excluding women from sacred sites (nyonin kekkai) began to dissolve in Japan around a decade before its formal abolition in 1872, particularly within the cult of Mt. Fuji during Edo period. This shift was marked by the emergence of miniature Fuji replicas (Fujizuka), which allowed both men and women to engage in climbing rituals, while women increasingly defied restrictions by pilgriming to the real mountain and attempting summits. The research highlights how social norms around female impurity began to erode, though lingering attitudes persisted even after legal changes. The study combines historical analysis with cultural critique to explore these dynamics.
Kakadu National Park
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Researchers developed the 'double-differenced dNBR' method, which combines high-resolution Landsat and coarse-scale MODIS/VIIRS imagery to map fine-grained fire mosaics (pyrodiversity) in Kakadu National Park's lowland eucalyptus savannas. This approach enhances contrast by subtracting long-term average dNBR from seasonal Landsat mosaics, effectively addressing the limitations of existing satellite-based fire mapping techniques. The study demonstrates that this method accurately captures pyrodiversity—critical for biodiversity persistence—in homogenous landscapes, though it may not suit heterogeneous areas. Comparison with other fire metrics suggests high accuracy, but further field validation is recommended.
Semmering Railway
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The Semmering Base Tunnel (SBT), a critical component of the Baltic-Adriatic Railway Network, successfully addressed complex hydrogeological challenges through innovative drilling and grouting techniques. The study highlights the effective implementation of a Standpipe-Packer system, a cased drilling system with grouting inserts, and a combined cement-polyurethane grout mix (Hybrid Grout) to stabilize the grout under high groundwater pressure conditions. These innovations significantly improved construction processes in areas with pressurized groundwater, including karst-prone limestone and dolomite formations with initial water pressures of up to 25 bar. The research demonstrates how these advanced methods can mitigate risks associated with flowing ground conditions and intense fracturing in transition zones, providing a robust solution for similar geological settings.
Redwood National and State Parks
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A Roosevelt elk population in Redwood National and State Parks, California, exhibits a female-skewed adult sex ratio (ASR) that declines with increasing population density, providing empirical support for the female substitution hypothesis (FSH). The FSH suggests that as food resources deplete, females outcompete males for forage, leading to passive male displacement. Over 24 years, systematic surveys revealed that declining ASR correlated with rising female abundance and reduced forage biomass, while males were found in peripheral areas when females were abundant. This pattern aligns with the FSH, demonstrating density-dependent effects in a nonmigratory, hunting-protected population.
Ngorongoro Conservation Area
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Habitat requirements—water, pasture, shelter, and space—drive nearly all human-wildlife interactions within the Ngorongoro Conservation Area (NCA), Tanzania. A study of 396 households in four Maasai villages revealed that these needs, alongside factors such as wildlife population growth, firewood collection, livestock management, and cultural practices like lion hunting for defense or rituals, fuel conflicts. Climate change and large household sizes exacerbate these interactions, posing threats to coexistence through injuries, deaths, disease transmission, and property damage. Mitigation strategies proposed include expanding boarding schools, improving water access, increasing food assistance, implementing population control measures, promoting zero-grazing practices, discouraging human-cattle co-sleeping, enhancing wildlife attack record-keeping, and disseminating research findings to local communities.
Chitwan National Park
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Household perceptions of invasive plant presence, not actual ecological data, strongly influence prohibited resource collection behaviors in Chitwan National Park. The study combines sociodemographic variables and spatial analysis to reveal how perceptions shape conservation challenges. Researchers used structured interviews, tablet-based data collection, and field surveys to assess collection patterns in community forests and the park. A social-ecological systems approach identified key drivers of illegal resource gathering, offering critical insights for conservation policy that transcend traditional ecological or social frameworks alone.
Tropical Rainforest Heritage of Sumatra
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Over half of the distributions of three critically endangered mammals—Sumatran elephant, Sumatran orangutan, and Sumatran tiger—in Sumatra's tropical rainforests occur outside protected areas, with coverage proportions of 83%, 72%, and 54% respectively. This study used ensemble machine learning algorithms to predict their potential ranges based on anthropogenic, biophysical, topographic, and climatic parameters, achieving high model performance (Sørensen: 0.81–0.94). Conservation status and temperature seasonality were identified as the most critical environmental predictors for these species' distributions. The findings highlight urgent conservation priorities both inside and outside protected areas to ensure the survival of these iconic Indonesian mammals.
Putorana Plateau
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Dryagin’s char (Salvelinus drjagini) from Lake Sobachye on the Putorana Plateau exhibits distinct morphological and demographic traits compared to Boganid char, making it a promising candidate for aquaculture. This subspecies is characterized by a wider body, with mature fish reaching up to 27.9% of their body length in height. It also features 112–133 perforated scales along the lateral line and 21–29 gill rakers on the first gill arch. Analysis revealed that Dryagin’s char reaches sexual maturity at 6 years, with a prolonged maturation period extending to 8–9 years. The study found that its fecundity ranges from 3,833 to 18,270 eggs, strongly correlated with fish mass (r = 0.83) and size (r = 0.77). Despite similar maturation times, Dryagin’s char’s larger size makes it more advantageous for native species introduction in aquaculture, particularly in the Krasnoyarsk Territory.
Badain Jaran Desert - Towers of Sand and Lakes
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Dust aerosols significantly advance cloud formation time by approximately 138 minutes for every 0.1 increase in aerosol optical depth, primarily through radiative effects that destabilize the low troposphere when total precipitable water exceeds 18.5 kg/m². Conversely, dust inhibits convective cloud formation via microphysical processes under lower moisture conditions. This study, conducted using high-resolution Himawari-8 satellite data over the minimally human-influenced Badain Jaran Desert, provides critical observational evidence to refine cloud parameterization in atmospheric models.
Archaeological Site of Ani
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Research on the medieval city of Ani, a UNESCO World Heritage Site and former capital of the Armenian kingdom, reveals significant advancements in understanding its residential architecture. The study, supported by the Russian Science Foundation, periodizes the historiography of Ani's dwellings, analyzing their evolution, typology, and stylistics over five centuries. It highlights both the achievements and limitations of past research, particularly the lack of new archaeological data and the inability to explore known monuments in situ due to environmental constraints. The findings raise questions about the depth of discussion on architectural issues across different residential quarters, streets, and buildings, contributing to a more comprehensive understanding of Ani's cultural layers.
Meidan Emam, Esfahan
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Naqsh-e-Jahan Square in Isfahan, a prototype of Persian urban design, exemplifies dynamic symmetry—a nuanced approach to balance and harmony that transcends traditional definitions. Unlike absolute symmetry, its architectural elements embody relative asymmetry within symmetrical frameworks, creating a fluid interplay that enhances visual and spatial coherence. This study redefines symmetry by analyzing the square's design, revealing how it achieves harmony through layered, evolving patterns rather than rigid uniformity. The research contrasts this dynamic approach with contemporary understandings of symmetry, offering insights into the adaptability of architectural principles across eras.
Quanzhou: Emporium of the World in Song-Yuan China
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Between 1989 and 2018, Quanzhou City experienced a dramatic expansion of built-up land by 192.99 km², primarily at the expense of forests, water bodies, and cropland, leading to a significant decline in ecological quality. The study, utilizing Landsat imagery and remote sensing techniques, found that the average Remote Sensing based Ecological Index (RSEI) dropped from 0.78 to 0.34, with areas rated 'good' decreasing by nearly two-thirds while those rated 'bad' increased fourfold. Built-up land expansion intensity was negatively correlated with ecological quality, highlighting how urbanization accelerates environmental degradation. Government policies were identified as a key driver of these changes, underscoring the need for sustainable urban planning that integrates ecological considerations.
Mount Wuyi
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A study on the subtropical evergreen broad-leaved forest in Mount Wuyi, Fujian Province, China, revealed shifts in tree species dynamics between 2013 and 2018. The research found that while species richness increased slightly, diversity indices like Shannon-Wiener and Simpson showed minor declines. Tree population declined by 6.5%, with higher mortality (2.3%) than recruitment (0.96%), suggesting heightened competition among species for resources like light. Notably, common species decreased while rare ones increased, indicating potential vulnerability to disturbances. The study also highlighted challenges in the regeneration of sun-adapted species like <em>Alniphyllum fortunei</em> and <em>Schima superba</em>, hinting at a possible shift toward shade-tolerant or intermediate species. This research provides critical insights into forest dynamics, aiding conservation efforts for UNESCO-listed sites.
South China Karst
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A significant improvement in landscape ecological quality was observed in the South China Karst region from 2015 to 2020, with a comprehensive score rising from 0.539 to 0.662 due to effective rocky desertification control measures. The study applied spatial heterogeneity and landscape pattern theories to assess ecological quality at three levels: landscape stability, disturbance degree, and restoration ability. While overall progress was noted, areas of unused land and mining remained ecologically degraded, highlighting the negative impact of unsustainable activities like ore mining. Treatment strategies such as returning farmland to forest and agroforestry proved effective in enhancing ecological quality, particularly in northern and southern regions, though their benefits varied significantly. This research introduces a quantitative method for evaluating ecological quality in karst areas, offering insights for sustainable restoration efforts.
Yakushima
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2022 —
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Wild Yaku sika deer (Cervus nippon yakushimae) on Yakushima Island exhibit unique rumen bacterial microbiota (RBM) that enable dietary flexibility under high population density. This study revealed that the RBM of wild Yaku sika has higher species richness and diversity compared to other sika deer populations, likely due to their access to diverse, tannin-rich plants in the island's subtropical ecosystem. High-density populations showed increased Firmicutes abundance and higher tannase gene prevalence, suggesting an adaptive response to unpalatable feed sources. The research combined high-throughput sequencing with targeted cultivation and functional analyses to characterize the RBM, providing insights into how microbial adaptations support nutritional resilience in wild ruminants.
Pre-Hispanic City of Teotihuacan
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A groundbreaking multimethod archaeometry study reveals the earliest evidence of primate captivity and translocation in Mesoamerica, dating to 250-300 CE. The analysis of a spider monkey sacrificed at Teotihuacan's ceremonial center provides insights into interregional diplomacy between Teotihuacan and the Maya during Early Classic Mesoamerica (1-550 CE). This discovery suggests that a period of fluid ritual exchange with Maya dignitaries preceded Teotihuacan's militaristic involvement, challenging previous narratives. The study combines zooarchaeological, isotopic, ancient DNA, paleobotanical, and radiocarbon dating techniques to reconstruct the monkey's life history, including its age at capture (before 3 years), duration in captivity (over 2 years), anthropogenic diet (maize, arrowroot, chili pepper), and context of sacrifice. The presence of Maya vessels and murals further supports the diplomatic gift exchange interpretation.
Lower Valley of the Awash
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Research at Maka’amitalu, Hadar, in Ethiopia’s lower Awash Valley, reveals significant species turnover in large mammal faunas during the Early Pleistocene (~2.4–1.9 Ma), with a small but diverse assemblage of 20 taxa. Unlike older deposits (e.g., Hadar Formation and Ledi-Geraru), this fauna shows subtle shifts in dietary proportions, body size, and bovid abundances, suggesting a constant rate of turnover over time. Biochronological analysis supports the age estimate from Bouroukie Tuff 3 (BKT-3). The study highlights the paleoecological and evolutionary significance of the region, contributing to our understanding of mammalian evolution in eastern Africa.
Ancient City of Qalhat
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A comprehensive survey of Oman's coastal habitats unveiled a richer echinoderm biodiversity than previously anticipated, with 75 species documented across four classes: holothuroids (21), echinoids (20), crinoids (6), and asteroids (28). Notable discoveries include the first observation of <em>Holothuria nobilis</em> north of the Red Sea and <em>Holothuria arenacava</em> near Muscat, alongside the life record of the starfish <em>Ferdina sadhensis</em>. The study also identified several unidentified specimens, hinting at potential new species. A significant shift in echinoderm community structure was observed at Ras-Al-Hadd, suggesting either environmental changes or a bio-geographic barrier limiting species dispersal. Conducted across five regions—Musandam, Capital area, Sur-Qalhat, Masirah, and Dhofar—the survey provides critical insights into the marine biodiversity of the Arabian Sea and Sea of Oman.
Virunga National Park
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Eco-war tourism, a growing niche where tourists seek adventure and conservation in conflict zones, intensifies green militarization and reshapes space into 'safe' and 'dangerous' areas. In Virunga National Park, Democratic Republic of Congo, this phenomenon commodifies both war and gorillas, contributing to the bunkerization of tourism and the militarization of conservation efforts. The study links critical security studies and political ecology to demonstrate how eco-war tourism, rooted in colonial durabilities, produces Eurocentric ideas about nature protection while entangling diverse security interventions—military, tourism, humanitarianism, and conservation—in inherently political nature-society relations. It underscores the futility of treating 'society' and 'the environment' as separate fields of security.
K’gari (Fraser Island)
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K’gari (Fraser Island), an Australian World Heritage Site, faces significant ecological and cultural management challenges due to its unique isolation, biodiversity, and rich First Nations history. Research identifies a contested balance between tourism pressures, biosecurity threats, and climate change while emphasizing the need for equitable co-management involving Indigenous Peoples. The study reveals that island uniqueness, though underfunded in research, demands greater investment to address conservation gaps. It proposes a framework for sustainable management that integrates ecological integrity with cultural custodianship, offering global applicability to similar World Heritage Sites.
Garajonay National Park
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Soundscapes in Garajonay National Park, home to Europe's only well-preserved primary cloud forests, reveal nuanced acoustic assembly mechanisms that differ between mature and transitional forests. Mature forests exhibit stronger acoustic aggregation and niche partitioning, with higher acoustic diversity indices (ADI), while transitional forests show elevated lower-frequency sound levels. Notably, acoustic niche partitioning weakens as ADI increases, suggesting less temporal avoidance of similar frequencies in more diverse soundscapes. Seasonal comparisons indicate that burned areas are most vulnerable during harsh summer conditions but resemble intact vegetation in terms of ADI and sound levels during winter. These findings underscore the potential of soundscape monitoring to inform conservation strategies and restoration efforts in this unique UNESCO World Heritage Site.
Tajik National Park (Mountains of the Pamirs)
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Context-specific ecological calendars significantly enhance food security and reduce vulnerability to climate change for Pamir Mountain communities. A comparative analysis of two Tajik villages, Savnob and Roshorv, revealed that distinct microecologies influence the timing and practices of livelihood activities despite their close geographic proximity. These differences led to mutual support between villages, increasing food availability and resilience against climate threats. The study highlights the importance of revitalizing traditional ecological knowledge through participatory action research, which can adapt to changing climates while maintaining anticipatory capacity for seasonal changes.
The Grand Canal
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A new method for ecological function regionalization (EFR) using the Leading Ecological Function (LEF) index has been developed, offering a more precise and practical approach to identifying dominant ecosystem services. Applied to the Core Area of the Beijing-Hangzhou Grand Canal (CA-BHGC), this study found that biodiversity maintenance, food production, and water retention are the primary ecological functions, with grid proportions of 51.64%, 41.04%, and 6.93% respectively. The LEF index, calculated using the Maximum Value Composite (MVC) method, effectively represents the advantageous ecological functions of grid pixels, contributing over 50% to the comprehensive ecological function value in most cases. This approach enhances spatial guidance for ecological management, showing strong correlation with natural geographical environments and aiding in conflict resolution among economic development, ecological protection, and cross-administrative regions.
San Cristóbal de La Laguna
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A UNESCO World Heritage City, San Cristóbal de La Laguna (Canary Islands), has achieved a 4% to 48% reduction in carbon dioxide emissions between 2009 and 2019 through targeted interventions. This progress, driven by the city's commitment to the EU's Climate and Energy Pact, highlights effective strategies for urban sustainability in fossil fuel-dependent regions. The study analyzed emissions across four sectors—buildings, public lighting, transportation, and agriculture, forestry, and fishing—and demonstrated that a Sustainable Energy and Climate Action Plan (SECAP) could further reduce emissions by 64% by 2030 if fully implemented. This case offers valuable insights for other oceanic islands aiming to meet ambitious climate targets.
K’gari (Fraser Island)
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Human-wildlife conflict, driven by negative interactions between people and wildlife, is a significant contributor to biodiversity loss and species extinction. This study critically analyzes the governance of such conflicts, revealing that legal institutions often exacerbate these issues by promoting individual autonomy while ignoring the interconnected vulnerabilities shared by humans and non-human species. Using case studies from K'gari (Fraser Island) in Australia, Northern Botswana, and the global wildlife trade's role in COVID-19, the research demonstrates how international and state laws fail to address or mitigate these conflicts effectively. The findings underscore the need for transformative management strategies that recognize and integrate the ecological and social dimensions of human-wildlife interactions.
Macquarie Island
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Invasive plant species, particularly those adapted to extreme cold conditions, pose significant threats to sub-Antarctic and Antarctic ecosystems. Research on Macquarie Island reveals that these species, such as Poa annua and Stellaria media, persist through large, long-lived soil seed banks and are facilitated by human introductions, animal disturbances, and climate change. While no single biological trait predicts invasiveness in the sub-Antarctic, ecological drivers like accidental human movement and soil disturbance enable their spread. The study emphasizes the need for proactive measures to prevent further invasion, develop low-impact control methods, and protect these fragile ecosystems from potential threats extending into Antarctica due to warming climates.
Historic City of Ayutthaya
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Tourists visiting Ayutthaya Historical Park, Thailand, derive significant economic value from the site, with an annual valuation of approximately 1.99 billion Baht (around $60 million USD). The study, which analyzed data from 400 tourists using the Individual Travel Cost Method (ITCM), found that visitors primarily travel to experience arts and culture, drawn by the park's ancient ruins and serene environment. Key factors influencing visitation decisions included travel cost and distance. On average, visitors make 2.61 trips per year, with each visit generating a consumer surplus of 1,508.40 Baht (around $45 USD). This economic valuation underscores the park's importance as both a cultural and recreational destination.
Cold Winter Deserts of Turan
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Kazakhstan's Northern Kyzylkum Desert harbors 310 economically valuable plant species, including woody, food, medicinal, fodder, decorative, and technical varieties. Dominant families such as Poaceae, Asteraceae, Chenopodiaceae, and Fabaceae contribute significantly to this biodiversity. The study identified 200 medicinal, 100 fodder, 22 decorative, 11 sand-fixing, and 9 fuel species, highlighting their practical applications. Research employed classical botanical, route-reconnaissance, ecological-systematic, and ecological-geographical methods to classify these species by life forms, revealing six tree species, 44 shrubs/semi-shrubs, 155 perennials, and 105 biennial/annual plants. This comprehensive analysis underscores the region's rich genetic resources and their global economic importance.
Lagoons of New Caledonia: Reef Diversity and Associated Ecosystems
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Research reveals distinct ecoregional and temporal patterns in dugong habitat use within the complex coral reef lagoon ecosystems of New Caledonia, offering critical insights for conservation. By analyzing 9371 hourly positions from 16 satellite-tagged dugongs, scientists identified significant differences in the intensity of dugong presence across shallow waters, deeper lagoon areas, and fore-reef shelves. These findings were validated using aerial survey data, extending our understanding of dugong distribution beyond traditional surveys, particularly highlighting their nocturnal preference for shallow waters during high tide. This study underscores the potential of satellite tracking and dynamic habitat modeling to inform effective spatial management strategies for elusive marine mammals like the dugong.
Mount Huangshan
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A 30-year study on the Huangshan Man and Biosphere Reserve (HMBR) reveals that sustainable ecotourism policies have simultaneously boosted local economies, increased visitor numbers, and expanded habitat suitability for an endangered primate, the Tibetan macaque. The research found that while ecotourism income rose alongside visitor counts, the macaque population thrived, particularly in low-altitude buffer zones with minimal tourist disturbance. Notably, scenic spots—once contributing minimally to habitat suitability (0.71%)—now significantly impact it negatively (32.88%), highlighting a critical trade-off between conservation and tourism development. This study provides a robust framework for evaluating the balance between sustainable development and wildlife conservation in UNESCO Man and Biosphere reserves.
Krzemionki Prehistoric Striped Flint Mining Region
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A landmark discovery in prehistoric archaeology reveals Krzemionki as one of the earliest known flint mining regions, dating back to 1922. The site's unique striped landscape was identified by geologist Jan Samsonowicz as a remnant of prehistoric mining shafts, filled with debris and soil. This finding stems from pioneering research initiated post-World War I by archaeologist Stefan Krukowski and geologist Jan Samsonowicz, who conducted extensive surveys on siliceous raw materials in Poland. Their work laid the foundation for understanding prehistoric exploitation techniques and the significance of flint deposits in the region.
Agricultural Landscape of Southern Öland
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Recent excavations at Gamla Skogsby, Öland, Sweden, have uncovered well-preserved Iron Age house foundations and artefacts, providing unprecedented insights into mid-Iron Age society during the Migration Period. These findings, conducted by Linnaeus University since 2019, complement evidence from Sandby borg—a nearby site linked to a fifth-century AD massacre—revealing the use of violence as a political tool in Scandinavia. The excavation yielded a wealth of animal bones, pottery, and other artefacts, enriching our understanding of this turbulent era.
Historic Monuments of Ancient Kyoto (Kyoto, Uji and Otsu Cities)
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A significant shift in U.S. military policy towards cultural property protection (CPP) has been documented, marking a departure from historical practices that often neglected or even destroyed historic sites during conflicts. The study highlights the ratification of the 1954 Hague Convention by the U.S. Senate in 2009, following devastating incidents such as the looting of the Iraqi National Museum and damage to ancient sites like Samarra. This change is attributed to advocacy efforts by key figures, including Corine Wegener at the Smithsonian Institution and Laurie Rush from the Department of the Army, who played pivotal roles in integrating CPP into military planning and training. The research draws on conference proceedings and historical analysis to underscore the evolving recognition of cultural heritage preservation in modern military doctrine.
Cerrado Protected Areas: Chapada dos Veadeiros and Emas National Parks
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A significant reduction in savanna and grassland areas, alongside an increase in planted forests, pastures, and agricultural lands, was observed in the Chapada dos Veadeiros region following the implementation of Brazil's Forest Law (Lei Estadual nº 18.104/2013). This study analyzed vegetation cover changes between 2008 and 2018 using quantitative methods, including statistical analysis, to assess the law's impact on different vegetation types. While no significant changes were detected in forested areas, the findings suggest that the law may have accelerated land-use shifts, potentially threatening native ecosystems in this UNESCO World Heritage Site.
Saloum Delta
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A study on the white mullet (Mugil curema) in Senegal's Saloum Delta reveals that reproduction peaks in April, May, and June, with males reaching sexual maturity at a smaller size (220 mm) than females (226 mm). The research analyzed 406 individuals, finding a female-dominated sex ratio. Environmental parameters significantly influence reproductive timing, offering insights for sustainable fisheries management in this UNESCO World Heritage Site. Monthly sampling using surface drift nets provided data on morphometric traits and gonadal development.
Archaeological Site of Leptis Magna
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A study on the impact of emissions from the Khoms power station on Leptis Magna reveals significant concentrations of sulfur oxides and nitrogen oxides on the surfaces of marble columns and statues. These pollutants, resulting from the combustion of heavy fuels, light fuels, and natural gas, contribute to the erosion of ancient structures. The research utilized air dispersion software (DISPER) to model pollution levels under varying climate conditions, providing a quantitative assessment of the chemical reactions accelerating marble degradation. Findings underscore the urgent need for mitigation strategies to protect this archaeological treasure from further deterioration.
Peking Man Site at Zhoukoudian
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Non-uniform support settlement slightly increases the elastic global stability and elastoplastic ultimate bearing capacity of Zhoukoudian's lattice shell structure, but excessive settlement can reduce bearing capacity when initial imperfections are considered. The study used finite element analysis (ANSYS) to model geometric and material nonlinearities under varying settlement scenarios, revealing that while minor non-uniform settlements may benefit structural stability, larger displacements pose risks without significantly altering the instability path.
Thungyai-Huai Kha Khaeng Wildlife Sanctuaries
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Prescribed burns in the Thungyai-Huai Kha Khaeng Wildlife Sanctuaries significantly alter understory plant composition, favoring shrubs and competing tree seedlings over grasses and forbs. The study, conducted in deciduous dipterocarp forests (DDF) and mixed deciduous forests, found that past logging and long-term fire suppression had reduced mature key dipterocarp trees and hindered grass regeneration, critical food sources for local wildlife. Researchers surveyed 128 plots before and after annual burns, identifying 480 understory species, with grasses accounting for only 10% of biomass in DDF plots. Active habitat management is now necessary to maintain forest structure and support wildlife, particularly in areas recovering from historical logging.
Mount Taishan
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Research on Mount Taishan reveals that soil moisture regulation in forest gaps and seed size adaptability are critical factors influencing the germination and early growth of Quercus acutissima seedlings. The study found that larger seeds exhibit significantly higher emergence rates, ground diameter, biomass, and root development compared to smaller seeds. Seedlings in gap II demonstrated superior growth metrics than those under the understory (gap III), with precipitation and soil moisture playing pivotal roles in these outcomes. Correlation analysis highlighted strong positive relationships between seedling biomass and root surface area/volume, while negative correlations were observed with specific root length and surface area. These findings underscore the importance of environmental conditions and genetic traits in natural forest regeneration.
China Danxia
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Bamboo forests (BF) exhibit the strongest carbon storage capacity among vegetation types in China's Danxia landform, outperforming Chinese fir forests (CFF), evergreen broad-leaved forests (EBF), mixed conifer–broadleaf forests (MCBF), and shrublands (SH). This finding is based on a study analyzing soil organic carbon (SOC) and its labile fractions—dissolved organic carbon (DOC), microbial biomass carbon (MBC), and easily oxidized organic carbon (EOC)—across five vegetation restoration types. Researchers found that BF and CFF had higher SOC and EOC concentrations, while BF also led in DOC content. MBC was significantly greater in BF and EBF. Soil total nitrogen (TN), total phosphorus (TP), and invertase activity emerged as key drivers of carbon accumulation, with SOC and its fractions positively correlated with these factors but negatively affected by soil pH and bulk density (BD) in most cases. The study provides critical insights for ecosystem management and restoration strategies in Danxia regions.
Bale Mountains National Park
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Soil properties in the Bale Mountains National Park, Ethiopia, vary significantly with agro-climatic zones, land cover types, and habitat gradients. Research shows that lower-altitude areas with natural vegetation and interior habitats exhibit higher soil pH, organic carbon (SOC), total nitrogen (TN), available phosphorus (AP), cation exchange capacity (CEC), and clay content. Conversely, farmland and edge habitats display increased sand and silt content, as well as higher bulk density. These findings underscore the critical need for conservation efforts targeting highly human-impacted ecosystems, such as grasslands in middle altitudes, ericaceous lands in higher altitudes, and moist forests in lower altitudes. The study employed stratified and systematic sampling techniques to analyze 72 soil samples across three agro-climatic zones, three land cover types, two habitat gradients, and four replications, using statistical methods including ANOVA and Tukey's HSD test.
Getbol, Korean Tidal Flats
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A study on the Korean Tidal Flats, part of the UNESCO World Heritage Site Getbol, reveals that larval trematode parasitism significantly impairs the reproductive capacity of Manila clams (Ruditapes philippinarum). Approximately 5.4% of the clam population was infected by three types of larval trematodes, with severe infections (heavy to very heavy) affecting about a third of these clams and potentially preventing reproduction during spawning periods. The research used histological analysis to categorize infection levels and found that heavily infected clams had significantly lower condition indices compared to uninfected ones. This highlights the detrimental impact of parasitism on economically important marine bivalves in tidal flat ecosystems.
Isole Eolie (Aeolian Islands)
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Shallow hydrothermal vents in the Aeolian Islands (Mediterranean Sea) induce significant local acidification, leading to profound changes in benthic communities. Research at three depths (16, 40, and 80 meters) revealed that CO₂ emissions simplify community structure and reduce biodiversity by eliminating sensitive taxa such as kinorhynchs, turbellarians, gastropods, while favoring tolerant species like halacarids, ostracods, and oligochaetes. Acidification also caused a notable biomass decline in macrofauna, with shifts in composition driven by lower predatory pressure and increased food availability. These findings highlight the vulnerability of shallow marine ecosystems to acidification, emphasizing the need for conservation efforts at UNESCO World Heritage Sites like the Aeolian Islands.
Doñana National Park
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A significant shift in habitat use and activity patterns among European rabbits (Oryctolagus cuniculus) and Iberian hares (Lepus granatensis) in Doñana National Park, Spain, has been linked to population declines caused by virus-borne diseases. Initially, rabbits were confined to scrublands while hares occupied marshlands, with both species sharing rush and fern belt ecotones. However, following a decline in rabbit populations due to disease outbreaks between 2005–2016, hares expanded their habitat use into scrublands, previously exclusive to rabbits. This shift is attributed to reduced competition and predation pressure from the Iberian lynx (Lynx pardinus), a rabbit specialist, which nearly disappeared due to the decline in its primary prey. Consequently, generalist predators increased, leading both lagomorph species to adopt nocturnal activity patterns to avoid higher predation risks during the day.
Mount Taishan
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A significant decline of 38.37% in the density of Quercus acutissima seedlings was observed between 2010 and 2017, particularly among seedlings measuring 20–40 cm in height. This reduction correlates with periods of high precipitation and soil moisture, notably in 2011 and 2013. The study found that while younger seedlings (2–4 years) exhibited no significant differences in biomass or root morphology, older seedlings (5–6 years) demonstrated greater biomass accumulation. Principal component analysis revealed that drought adaptation in these seedlings involved changes in root morphology, nonstructural carbohydrate content, and biomass allocation. These findings suggest that drought stress, combined with seedling adaptation mechanisms, plays a crucial role in the dynamics of the seedling bank under Q. acutissima plantations.
Yakushima
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2022 —
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Sika deer significantly impact evergreen broad-leaved forests on Yakushima Island, Japan, with their effects varying depending on population density. Unlike findings in cooler climates, where deer typically cause severe vegetation degradation, Yakushima's unique ecosystem—characterized by high forest productivity and endemic sika deer morphology—mitigates some of these impacts. The study highlights that while deer influence forest regeneration, the relationship is more nuanced than previously understood, suggesting that deer density alone does not fully predict ecological outcomes. By analyzing spatial and temporal variations in deer populations across undisturbed forests, researchers provide new insights into how sika deer shape forest dynamics, offering a framework for studying similar systems globally.
Sichuan Giant Panda Sanctuaries - Wolong, Mt Siguniang and Jiajin Mountains
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2022 —
WHE2A0E536D78
Wild boar grazing significantly impacts species diversity and soil properties in coniferous-broad-leaved mixed forests of Jiajin Mountain, China. The study found that slight grazing disturbance (category III) maximizes plant diversity, with 172 vascular plant species recorded across 55 families and 117 genera. This includes the highest counts for trees, shrubs, and herbs compared to stronger or weaker disturbances. The research categorized four grazing intensities based on boar behavior and activity range, alongside a control (no disturbance). Soil physicochemical properties were also analyzed under these conditions. These findings provide critical insights for maintaining ecological stability in mixed forests, guiding scientific grazing management practices in this UNESCO World Heritage Site.
Kulangsu, a Historic International Settlement
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2022 —
WHE007FD65E4F
Tourism experiences at UNESCO World Heritage Sites, such as Kulangsu, significantly enhance tourists' subjective well-being by fostering recollection and storytelling. A study involving 830 respondents from two Chinese destinations—Kulangsu and Dr Sun Yat-Sen’s Mausoleum—revealed that positive tourism experiences directly boost recollection and storytelling, which in turn positively impact well-being. While recollection alone does not directly influence well-being, storytelling serves as a crucial mediator between recollection and well-being. The findings highlight the psychological benefits of tourism, particularly through narrative engagement, and validate the robustness of this model across different sites.
Central Sikhote-Alin
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2022 —
WHE67D0CCCD90
A large-scale windfall event caused by the Lionrock typhoon (2016) significantly altered soil carbon dynamics within the Central Sikhote-Alin. The study found that soil surface carbon emissions increased by 29% in Siberian pine forests and decreased by 25% in birch forests compared to control sites. This variation was attributed to differences in root decomposition timing: fine roots in Siberian pine forests decomposed during the measurement period, while those in birch forests had already decomposed before measurements began. The stock of fine roots declined by 20% in Siberian pine forests and 37% in birch forests post-windfall, with dead root stocks showing contrasting trends—58% higher in pine forests but 28% lower in birch forests. Additionally, windfall significantly increased soil moisture (p < 0.001). The study highlights the complex interplay between windfall events and carbon cycling, emphasizing the importance of fine roots in soil emissions.
Al-Ahsa Oasis, an Evolving Cultural Landscape
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2022 —
WHEA5D9059B14
A study on Al-Ahsa Oasis, Saudi Arabia, identified Bacillus thuringiensis strain PDC-AHSAA1 and three Bacillus cereus strains as highly effective against the Red Palm Weevil (Rhynchophorus ferrugineus), a destructive palm pest. These bacterial isolates, sourced from date palm rhizospheres, demonstrated low LC50 values, indicating strong efficacy in killing larvae and adults compared to other isolates. B. thuringiensis PDC-AHSAA1 was particularly potent, with LC50 values ranging from 4.19 × 10^7 to 3.78 × 10^9. The research also found that bacterial treatment inhibited larval growth, reducing body weight and increasing mortality rates over time. This study highlights the potential of Bacillus spp. as a sustainable alternative to chemical pesticides for controlling this economically damaging pest in UNESCO World Heritage Sites like Al-Ahsa Oasis.
