Urban Forestry & Urban Greening最新文献

{"title":"An integrative urban tree risk index as a novel framework for risk assessment: A case study of Montreal, Canada","authors":"Manuel Esperon-Rodriguez ,&nbsp;Annick St-Denis ,&nbsp;Julie Messier ,&nbsp;Rachael V. Gallagher ,&nbsp;Mark G. Tjoelker ,&nbsp;Christian Messier","doi":"10.1016/j.ufug.2025.129025","DOIUrl":"10.1016/j.ufug.2025.129025","url":null,"abstract":"<div><div>Urban trees provide essential ecosystem services in cities, but are increasingly at risk from climate extremes, urban stressors, and pests and diseases. Assessing and managing these risks is vital to maintaining the benefits urban forests offer to communities. These challenges highlight the need for robust, integrative tools to assess species-specific vulnerability and support evidence-based urban forest management. Here, we introduce the Urban Tree Risk Index (<em>UTRI</em>), a novel integrative framework designed to evaluate the vulnerability of urban tree species. The <em>UTRI</em> incorporates five components: climatic safety margins (reflecting exposure to climates outside the species’ tolerance limits), species abundance (affecting risk of disease spread), tree size and age (both affecting risk of mortality), and four key ecophysiological traits (associated with tolerance or resistance to stressors: leaf nitrogen content, seed mass, specific leaf area, and wood density). We assessed the urban forest of Montreal, Canada, and our results suggest substantial variability in safety margins across species, with many already experiencing conditions near or beyond their climatic thresholds. Notably, the five most abundant species, including <em>Acer platanoides</em> and <em>A. saccharinum</em>, constitute nearly half of Montreal’s urban forest and rank among the most vulnerable species according to <em>UTRI</em>, due to their high abundance, low climate resilience, and high climate vulnerability. By analysing with combined climate, demographic and ecophysiological trait data, the <em>UTRI</em> provides an integrative risk assessment, highlighting vulnerable species and locations, and supporting strategic urban forest management to enhance resilience under future climate challenges.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129025"},"PeriodicalIF":6.7,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144903527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimal dose of green and blue spaces at home for improving kidney health: A population-weighted analysis","authors":"Yuwen Yang ,&nbsp;William C. Sullivan ,&nbsp;Lan Luo ,&nbsp;Huan Lu ,&nbsp;Lan Wang ,&nbsp;Chris Webster ,&nbsp;Bin Jiang","doi":"10.1016/j.ufug.2025.129026","DOIUrl":"10.1016/j.ufug.2025.129026","url":null,"abstract":"<div><div>Although the health benefits of exposure to nature are well established, its relationship with chronic kidney disease (CKD) remains underexplored. Most previous studies have focused on specific subpopulations (e.g., elderly individuals, women, or CKD patients) and relied on generalized measures of green and blue spaces, overlooking the impact of distinct types of nature on CKD prevalence in the general population. This study investigated tract-level associations between residential green and blue spaces and CKD prevalence, with a focus on non-linear relationships and optimal doses of exposure. We employed a population-weighted exposure assessment and generalized additive mixed models, with adjustment for key covariates, and examined modification by urbanicity and mediation through air pollution and heat. We found that residential exposure to forest and open water was inversely associated with CKD prevalence. The strongest beneficial association for forest occurred at a 1 km buffer (<em>β</em>=-0.802; 95 % CI: −0.962, −0.643), showing a U-shaped curve with an optimal dose of 4500 m². Open water showed the strongest beneficial associations at a 400 m buffer (<em>β</em>=-1.131; 95 % CI: −1.345, −0.918), with no clear optimal dose. Associations were more pronounced in urbanized tracts, where optimal doses were slightly smaller. Forests reduced CKD risk by lowering air pollution and high temperatures, while open water operated primarily through temperature reduction. These findings suggest that strategically increasing residential forest cover both near homes and across broader neighborhoods via small-scale interventions and promoting well-distributed waterbodies near residences could effectively improve kidney health. This study underscores the potential of nature and health research to inform evidence-based urban planning with measurable environmental targets.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129026"},"PeriodicalIF":6.7,"publicationDate":"2025-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144903524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The impact of perceived social benefits on civic advocacy for urban green infrastructure: A moderated mediation model of collective psychological ownership","authors":"Jen-Chih Chao ,&nbsp;Ji-Yuan Lin","doi":"10.1016/j.ufug.2025.129024","DOIUrl":"10.1016/j.ufug.2025.129024","url":null,"abstract":"<div><div>Urban green infrastructure is widely recognized for its ecological and social benefits. However, little is known about how perceived social benefits and civic engagement shape public support for GI projects. From the perspective of social-exchange theory, this study aims to investigate the mechanism through which perceived social benefits influences civic advocacy, with a particular focus on the mediating role of civic engagement. Furthermore, it examines both the direct moderating effect and the moderated mediation role of collective psychological ownership in this relationship. This study focuses on Taiwan’s six metropolitan cities. Its hypotheses were tested via path analysis of data from a questionnaire survey of 381 urban residents. The results disconfirmed both of the hypothesized mediations by collective psychological ownership, but confirmed that construct’s proposed moderator role and civic engagement’s mediation of the relation between perceived benefits and advocacy. As well as constituting a practical contribution to persons and groups involved with urban green-infrastructure projects, these results demonstrate the value of applying social-exchange theory to its variables of interest.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129024"},"PeriodicalIF":6.7,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Constructing an effective exposure index through mobile signal data in guangzhou: a refined resilience assessment of COVID-19-Driven shifts in urban green space usage","authors":"Jintang Chen ,&nbsp;Luyao Yang ,&nbsp;Shan Li ,&nbsp;Bin Chen ,&nbsp;Wanjun Lu ,&nbsp;Fengdeng Wan ,&nbsp;Qiumeng Li ,&nbsp;Yongheng Feng","doi":"10.1016/j.ufug.2025.129023","DOIUrl":"10.1016/j.ufug.2025.129023","url":null,"abstract":"<div><div>Urban green spaces (UGSs) contribute significantly to public health and well-being. However, research on urban park resilience during the pandemic remains scarce. Studies on the impact of the pandemic on green space usage have mostly focused on spatial distribution using cross-sectional data, thus neglecting changes from a “resilience” perspective. Additionally, current methods based on mobile signal data often overestimate exposure by including non-use behaviors, which can lead to the misjudgment of usage behavior. This study constructs an effective green space exposure (EGSE) index based on mobile signal data, integrating precise UGS spatial boundaries and reasonably setting stay duration. An innovative resilience index is also proposed by combining annual variation rates. This approach allows for a systematic analysis of resilience changes in Guangzhou’s 269 UGSs across the pre-pandemic (2019), early pandemic (2020), and post-pandemic (2022) periods. The key findings are as follows. Regarding spatiotemporal heterogeneity, central urban areas demonstrated pronounced vulnerability, with EGSE surging significantly during weekends in the post-pandemic period. Concerning park-type heterogeneity, visitation patterns shifted from the predominant use of small-scale “community parks” and “recreational parks” in the early pandemic stage to a markedly increased utilization of “comprehensive parks” during post-pandemic recovery. In terms of demographic group heterogeneity, vulnerable groups’ EGSE sharply declined during the early pandemic and showed sluggish recovery. Regarding EGSE inequality, significant disparities emerged between weekdays and weekends during post-pandemic phases. This study presents a resilience analysis framework and exposure index that offer actionable recommendations for governments to plan and allocate UGSs in densely populated areas.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129023"},"PeriodicalIF":6.7,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Growth rate of Betula pendula Roth in urban areas of central Europe: Different strategies within a single species","authors":"Eva Zahradníková,&nbsp;Simona Juriš,&nbsp;Michal Hrabovský","doi":"10.1016/j.ufug.2025.129015","DOIUrl":"10.1016/j.ufug.2025.129015","url":null,"abstract":"<div><div><em>Betula pendula</em> is a wide-spread tree species, important as a part of natural forests, a source of timber, and an ornamental tree in urban regions. It is generally considered a pioneer tree with fast growth, a short lifespan, great genetic variability, and phenotypic plasticity. To better understand how the ongoing climatic change would influence urban trees, we conducted dendrochronological study based on 42 specimens in Bratislava, varying in trunk diameter and vitality, and correlated their growth with long-term meteorological data. The climate had unpredictable influence on birch growth in Bratislava, but among the sampled individuals, we found a scale of strategies in growth rate. The slow growing individuals were generally healthier, while the fast growing trees declined more rapidly with age. We identified the relationship of tree diameter and vitality as the best predictor that enables to distinguish between these strategies and determine the tree age even without coring, with possible applications in forestry and urban tree management.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129015"},"PeriodicalIF":6.7,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144890964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sensitivity of urban tree leaf phenology to precipitation and temperature in a Mediterranean climate city","authors":"Amy K. Dixon ,&nbsp;Michael Alonzo ,&nbsp;Dar A. Roberts ,&nbsp;Joseph P. McFadden","doi":"10.1016/j.ufug.2025.129022","DOIUrl":"10.1016/j.ufug.2025.129022","url":null,"abstract":"<div><div>Urban forests provide important services to residents such as reducing air pollution, decreasing storm water runoff, and mitigating temperature extremes. Many of these benefits are dependent on when and how long leaves are on the trees, which is determined by their leaf phenology. The timing of phenological events is expected to shift with climate change, but the direction and magnitude are still uncertain. In Mediterranean climate regions, precipitation has been shown to be an important environmental cue in natural ecosystems; however, it is unclear whether this also applies to urban landscapes where additional water resources are common. To investigate this process, we used high resolution PlanetScope satellite imagery from 2018 to 2024 to monitor more than 35,000 species-identified trees in Santa Barbara, California. We successfully detected seasonal NDVI changes of individual trees, including evergreen species which we validated with field observations. In our image time series, 81.8 % of the deciduous tree population and, notably, 69.1 % of the evergreen tree population had at least one annual phenology cycle that was detected. Overall, trees were sensitive to precipitation with spring rain delaying the end of the season by 2.25 d/cm on average across species. Warm fall temperatures delayed the green-up date whereas warm winter temperatures led to an earlier green-up. These results build upon methods to study the diverse urban forest of semi-arid climates and deepen our understanding of how changing climatic patterns may affect the leaf phenology of these species.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129022"},"PeriodicalIF":6.7,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spatiotemporal analysis of interactions between building configuration and urban green space on outdoor air temperature during heat waves: IoT sensor-based insights from Seoul, South Korea","authors":"Jungseok Seo ,&nbsp;JungHo Park","doi":"10.1016/j.ufug.2025.129019","DOIUrl":"10.1016/j.ufug.2025.129019","url":null,"abstract":"<div><div>The Urban Heat Island (UHI) effect, primarily driven by urban morphology and vegetation loss, intensifies thermal stress, energy consumption, and public health risks, particularly as global warming increases the frequency and severity of extreme heat events. Effective mitigation requires a deeper understanding of how building configuration and urban green spaces influence outdoor air temperature (OAT), particularly in high-density cities. This study analyzes these interactions using 896 IoT-based S-Dot Sensors across Seoul, South Korea, which recorded hourly OAT during a 12-day period of concurrent heat waves and tropical nights in August 2024. Multiple linear regression models with interaction terms were applied across spatial buffers ranging from 30 m to 300 m. Results indicate that broad-leaved forests reduced daytime temperatures by up to 0.20°C per 1000 m² within a 90 m buffer and effectively mitigated nighttime heat accumulation in dense urban areas. Tall buildings and built-up density significantly increased nighttime OAT, whereas smaller building footprints contributed to cooling. Crucially, green spaces enhanced thermal regulation when co-located with compact urban forms, underscoring the importance of vegetation–morphology synergies. Although UHI intensity is not directly quantified as a rural–urban differential, the findings demonstrate how the spatial configuration of green and built environments shapes intra-urban temperature variation under extreme heat. These insights support climate-resilient urban design, particularly in compact cities where integrating vegetation with built form is essential for thermal adaptation.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129019"},"PeriodicalIF":6.7,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144890962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Strategic enhancement of urban tree cover fraction to mitigate hourly accumulated population exposure to land surface temperature extremes","authors":"Jinling Quan ,&nbsp;Jiali Guo ,&nbsp;Yang Liu ,&nbsp;Jilong Chen ,&nbsp;Qingzu Luan ,&nbsp;Tao Pei","doi":"10.1016/j.ufug.2025.129020","DOIUrl":"10.1016/j.ufug.2025.129020","url":null,"abstract":"<div><div>Strategic enhancement of urban tree cover is crucial for maximizing heat mitigation while conserving space and minimizing costs. However, existing studies rarely evaluate the efficiency of consistent tree cover increases in reducing population exposure to extreme temperatures at sub-daily scales, especially over time and across diverse building morphologies. This limitation largely stems from insufficient integration of detailed spatiotemporal thermal characteristics and dynamic population distributions. To address this gap, this study employs 30-m tree cover fraction (TCF) map, seamless hourly 30-m land surface temperature (LST) data, and hourly mobile phone positioning records to quantify hourly accumulated population exposure to LST extremes—defined as the annual sum of hot hours multiplied by exposed populations—in central Beijing over 2016–2020. we then use a spatially explicit machine learning algorithm to assess exposure reduction efficiencies across diverse TCF enhancement strategies and building types. Results show an annual exposure of 1067 million person·hours (1441 per 30 ×30 m² grid), including 625 million during the day and 443 million at night. Compact/low-rise blocks exhibit more hot hours than open/high-rise blocks. City-wide strategies targeting populous and low-TCF areas reduce total TCF required to achieve equivalent exposure mitigation as uniform approaches (saving 0.6 %–20.2 % TCF), with the former demonstrating greater efficiency. Compact mid-rise and low-rise blocks yield the highest exposure reduction efficiency, whereas interventions in high-rise blocks risk adverse effects. This study provides a practical framework for targeted tree cover enhancement, supporting health-oriented urban climate resilience.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129020"},"PeriodicalIF":6.7,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144890963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Co-designing geoprospective private and public urban greening scenarios: A data-driven workflow for planning decisions and research","authors":"Mélissa Poupelin ,&nbsp;Ludovic Granjon ,&nbsp;Guillaume Huteau ,&nbsp;Thomas Thevenin ,&nbsp;Julien Pergaud ,&nbsp;Yves Richard ,&nbsp;Benjamin Pohl","doi":"10.1016/j.ufug.2025.129021","DOIUrl":"10.1016/j.ufug.2025.129021","url":null,"abstract":"<div><div>In the context of climate change, adapting cities to extreme heat is a key challenge for urban planning research. Evaluating how urban greening affects urban climate at the metropolitan scale is crucial for promoting sustainable land-use planning research and practice. Here, we present a co-designed, GIS-automated workflow grounded in geoprospective to quantify where and how much greening can be added, while preserving essential urban functions rather than simply replacing impervious surfaces with greenery. Applied to Dijon (France), the Green Scenario, anchored in local urban planning rules adds 46,000 new trees and over 9 km² of low vegetation within the city (130,000 trees and 20 km² metropolitan-wide), covering nearly one-quarter of Dijon with new greenery. To benchmark the added value of co-design, a normative baseline that applies uniform greening targets regardless of planning constraints was also generated. Compared with the baseline, the Green Scenario shifts vegetation towards the most feasible locations: industrial and commercial zones on the periphery receive about two-thirds of the added low vegetation, whereas the historic core shows limited potential beyond streets and squares. These findings identify priority areas for mitigating heat stress, guide private and public greening policies, and provide actionable datasets for integrating nature-based solutions into urban planning and climate adaptation strategies. The transferable methodology, available through open-access computational tools, also provides layers suitable for use in climate models to estimate cooling benefits.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129021"},"PeriodicalIF":6.7,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144896227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"How do community parks affect environmental justice for older adults: Insights from availability, accessibility, and attractiveness","authors":"Xuying Bai ,&nbsp;Kai Cao ,&nbsp;Wenxin Tian","doi":"10.1016/j.ufug.2025.129017","DOIUrl":"10.1016/j.ufug.2025.129017","url":null,"abstract":"<div><div>Community parks are essential for fostering physical activity, social engagement, and mental well-being among older adults, particularly in the context of rapid population ageing. These parks significantly enhance the quality of life for older adults by offering equitable recreational areas, thus promoting environmental justice. However, current research has inadequately explored how community parks could achieve environmental justice to fulfill the distinct requirements of older adults. This study constructed an Availability-Accessibility-Attractiveness (AAA) assessment methodology by integrating older adults' subjective perspectives, systematically evaluating environmental justice in Shanghai's community parks, and investigating the impact of urban-rural disparities on the delivery of spatial services for older residents. The results revealed a pronounced urban-suburban disparity, with central urban areas significantly outperforming suburban regions in all three dimensions: availability, accessibility, and attractiveness. Further analysis identified the key factors contributing to this disparity, revealing that older residents in areas with low community park environmental justice indices have access to fewer and less attractive parks. In contrast, central urban areas offer a greater number of parks, which also have higher attractiveness ratings. Nevertheless, inequalities in accessibility are less pronounced. This study constructs the methodology of environmental justice in community parks and provides evidence-based policy recommendations to optimize park design, promote physical activity among older adults, and improve overall service quality. These insights provide crucial guidance for urban planners and policymakers in terms of addressing the challenges posed by population ageing while striving to promote sustainable urban development.</div></div>","PeriodicalId":49394,"journal":{"name":"Urban Forestry & Urban Greening","volume":"113 ","pages":"Article 129017"},"PeriodicalIF":6.7,"publicationDate":"2025-08-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}