Landscape and Urban Planning最新文献

Wildfire risk in Alaska: Spatial association between social vulnerability, wildfire hazard, and wildfire mitigation programs

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-17 DOI: 10.1016/j.landurbplan.2025.105321

Xiaoyu Liang , Desheng Liu

High-latitude regions are experiencing larger, longer, and more severe wildfires, leading to significant impacts on ecosystems and human societies. However, quantitative assessments of wildfire risk that consider both social and ecological characteristics are still lacking in these remote regions. Using Alaska as a case study, we quantified and mapped the association between social vulnerability, wildfire hazard potential, and selected wildfire mitigation activities (federal and state fuel treatment projects and Community Wildfire Protection Plans) to address this gap. We observed great variation in the associations. Remote regions in southcentral and interior Alaska displayed moderate-to-high social vulnerability and wildfire hazard potential, while urban areas exhibited lower social vulnerability regardless of wildfire hazard potential. Notably, state fuel treatments and CWPPs, which are concentrated near urban areas, generally showed a negative association with social vulnerability, though the CWPP–vulnerability association turned positive under high wildfire hazard in urban regions. In contrast, federal fuel treatment projects, which were widespread across the landscape, showed a consistent positive association with social vulnerability regardless of wildfire hazard potential and urban/rural divisions. Our results provide critical context for the policy challenges posed by escalating wildfire risk and inform the environmental justice implications of wildfire mitigation activities. This study contributes to larger-scale, global wildfire management assessments, offering guidance for equitable, context-specific wildfire management strategies in other regions facing increasing wildfire risks.

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引用次数: 0

Urban green space, respiratory health and rising temperatures: An examination of the complex relationship between green space and adult asthma across racialized neighborhoods in Los Angeles County

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-17 DOI: 10.1016/j.landurbplan.2025.105320

Peng Chen, Bernadette Hanlon

Using spatial regressions in Piecewise Structural Equation Modeling, this study aims to investigate the relationship between urban green space (UGS) and adult asthma-related emergency department (ED) visits in urbanized Los Angeles County. Controlling for socioeconomic and built-environment factors at the neighborhood scale, we examine both direct associations between various UGS types—trees, grass, and water bodies—and asthma ED visit rates, as well as indirect pathways through air pollution (PM2.5) and land surface temperature (LST). Our findings reveal distinct pathways through which UGS types are associated with asthma ED visit rates. Proportions of trees and water bodies are negatively associated with asthma ED visit rates through different indirect pathways: trees through both LST and PM2.5 pathways, and water bodies through the LST pathway. Grass proportions, conversely, are positively associated with asthma ED visit rates both directly and indirectly through LST. We also highlight variations in these associations across different racialized communities. Specifically, in predominantly White communities, tree proportions demonstrate an additional direct negative association with asthma ED visit rates, whereas the positive associations between grass proportions and both asthma ED visit rates and LST, observed in minoritized communities of color, are not present. Moreover, the overall positive association between grass proportions and asthma ED visit rates is significantly stronger in minoritized communities of color. This research suggests prioritizing trees and water bodies over grass in green infrastructure planning and advocates for a context-specific approach in urban planning and public health management to optimize the benefits of UGS.

{"title":"Urban green space, respiratory health and rising temperatures: An examination of the complex relationship between green space and adult asthma across racialized neighborhoods in Los Angeles County","authors":"Peng Chen, Bernadette Hanlon","doi":"10.1016/j.landurbplan.2025.105320","DOIUrl":"10.1016/j.landurbplan.2025.105320","url":null,"abstract":"<div><div>Using spatial regressions in Piecewise Structural Equation Modeling, this study aims to investigate the relationship between urban green space (UGS) and adult asthma-related emergency department (ED) visits in urbanized Los Angeles County. Controlling for socioeconomic and built-environment factors at the neighborhood scale, we examine both direct associations between various UGS types—trees, grass, and water bodies—and asthma ED visit rates, as well as indirect pathways through air pollution (PM2.5) and land surface temperature (LST). Our findings reveal distinct pathways through which UGS types are associated with asthma ED visit rates. Proportions of trees and water bodies are negatively associated with asthma ED visit rates through different indirect pathways: trees through both LST and PM2.5 pathways, and water bodies through the LST pathway. Grass proportions, conversely, are positively associated with asthma ED visit rates both directly and indirectly through LST. We also highlight variations in these associations across different racialized communities. Specifically, in predominantly White communities, tree proportions demonstrate an additional direct negative association with asthma ED visit rates, whereas the positive associations between grass proportions and both asthma ED visit rates and LST, observed in minoritized communities of color, are not present. Moreover, the overall positive association between grass proportions and asthma ED visit rates is significantly stronger in minoritized communities of color. This research suggests prioritizing trees and water bodies over grass in green infrastructure planning and advocates for a context-specific approach in urban planning and public health management to optimize the benefits of UGS.</div></div>","PeriodicalId":54744,"journal":{"name":"Landscape and Urban Planning","volume":"258 ","pages":"Article 105320"},"PeriodicalIF":7.9,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143429186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Response to Guerin et al. Comment on ’Mapping the climate risk to urban forests at city scale’ 对 Guerin 等人关于 "绘制城市规模的城市森林气候风险图 "的评论的回应

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-15 DOI: 10.1016/j.landurbplan.2025.105324

Manuel Esperon-Rodriguez , Rachael Gallagher , Niels Souverijns , Quentin Lejeune , Carl-Friedrich Schleussner , Mark G. Tjoelker

Urban forests are broadly considered as a nature-based solution; however, they are also vulnerable to climate change, highlighting the need to identify species and cities at risk. A novel approach was developed to identify species and locations at potential climatic risk using the safety margin (i.e., a metric of species’ climate sensitivity) (Esperon-Rodriguez et al., 2024a). A recent comment on this approach by Guerin et al. (2025) found no relationship between safety margin estimates with hydraulic vulnerability; therefore, they raised caution about using climate-based methods to assess species’ climate risk. Here, we present evidence that a relative tolerance rank (i.e., a metric of performance that spans multiple traits) does indeed show a positive relationship with safety margin. We also found evidence that the species safety margin correlated negatively to crown dieback observed during extreme heat and drought. While caveats are advised when using climate-based methods, we suggest that these methods can provide context-specific insights for urban forest management, bridging the gap between broad climatic tolerances and local environmental conditions.

{"title":"Response to Guerin et al. Comment on ’Mapping the climate risk to urban forests at city scale’","authors":"Manuel Esperon-Rodriguez , Rachael Gallagher , Niels Souverijns , Quentin Lejeune , Carl-Friedrich Schleussner , Mark G. Tjoelker","doi":"10.1016/j.landurbplan.2025.105324","DOIUrl":"10.1016/j.landurbplan.2025.105324","url":null,"abstract":"<div><div>Urban forests are broadly considered as a nature-based solution; however, they are also vulnerable to climate change, highlighting the need to identify species and cities at risk. A novel approach was developed to identify species and locations at potential climatic risk using the safety margin (i.e., a metric of species’ climate sensitivity) (<span><span>Esperon-Rodriguez et al., 2024a</span></span>). A recent comment on this approach by <span><span>Guerin et al. (2025)</span></span> found no relationship between safety margin estimates with hydraulic vulnerability; therefore, they raised caution about using climate-based methods to assess species’ climate risk. Here, we present evidence that a relative tolerance rank (i.e., a metric of performance that spans multiple traits) does indeed show a positive relationship with safety margin. We also found evidence that the species safety margin correlated negatively to crown dieback observed during extreme heat and drought. While caveats are advised when using climate-based methods, we suggest that these methods can provide context-specific insights for urban forest management, bridging the gap between broad climatic tolerances and local environmental conditions.</div></div>","PeriodicalId":54744,"journal":{"name":"Landscape and Urban Planning","volume":"258 ","pages":"Article 105324"},"PeriodicalIF":7.9,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143421148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}

引用次数: 0

Substitution effects and spatial factors in the social demand for landscape aesthetics in agroecosystems

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-11 DOI: 10.1016/j.landurbplan.2025.105322

José A. Albaladejo-García, José M. Martínez-Paz

One of the cultural ecosystem services provided by agroecosystems is landscape aesthetics, which has a very positive effect on social well-being. In many areas, such as the Mediterranean, changes in land use have been negatively affecting the provision of this service, which is becoming increasingly crucial in the formulation of agricultural policies. The objective of this paper was to assess the social demand for agricultural landscape aesthetics, considering both the levels of use and the willingness to contribute to its conservation. This was done while considering the existence of substitute landscapes and spatial effects. The flowering fruit trees in Cieza (SE-Spain) were used as a representative case study of semi-arid Mediterranean agricultural landscapes. A survey of 493 households was conducted, in which a contingent valuation exercise was implemented. The results demonstrated the availability of alternative spaces in the region and spatial effects, such as distance decay or distance increase, were factors that explain the diverse aspects of the social demand for the agricultural landscape. This justifies the suitability of carrying out this type of analysis of complete social demand as a preliminary step towards the formulation of more effective agricultural and land management measures to achieve social well-being.

{"title":"Substitution effects and spatial factors in the social demand for landscape aesthetics in agroecosystems","authors":"José A. Albaladejo-García, José M. Martínez-Paz","doi":"10.1016/j.landurbplan.2025.105322","DOIUrl":"10.1016/j.landurbplan.2025.105322","url":null,"abstract":"<div><div>One of the cultural ecosystem services provided by agroecosystems is landscape aesthetics, which has a very positive effect on social well-being. In many areas, such as the Mediterranean, changes in land use have been negatively affecting the provision of this service, which is becoming increasingly crucial in the formulation of agricultural policies. The objective of this paper was to assess the social demand for agricultural landscape aesthetics, considering both the levels of use and the willingness to contribute to its conservation. This was done while considering the existence of substitute landscapes and spatial effects. The flowering fruit trees in Cieza (SE-Spain) were used as a representative case study of semi-arid Mediterranean agricultural landscapes. A survey of 493 households was conducted, in which a contingent valuation exercise was implemented. The results demonstrated the availability of alternative spaces in the region and spatial effects, such as distance decay or distance increase, were factors that explain the diverse aspects of the social demand for the agricultural landscape. This justifies the suitability of carrying out this type of analysis of complete social demand as a preliminary step towards the formulation of more effective agricultural and land management measures to achieve social well-being.</div></div>","PeriodicalId":54744,"journal":{"name":"Landscape and Urban Planning","volume":"257 ","pages":"Article 105322"},"PeriodicalIF":7.9,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}

引用次数: 0

Watching nature through the window cannot be overlooked! Nexus between green window view, physical activity intention, and intensity among older adults

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-11 DOI: 10.1016/j.landurbplan.2025.105318

Yue Yin, Tianyu Xia, Ting Shu, Bing Zhao, Gexiang Zhang, Jinguang Zhang

Extensive studies have underscored the positive associations between various types of greenspace exposure and physical activity (PA); however, few studies have examined the beneficial effects of greenspaces viewed from windows on the PA of older adults. This study is the first to disentangle the association between green window views (GWV) and PA intensity and determine whether this association is mediated by PA intention. Using three-dimensional (3D) point-cloud data derived from Unmanned Aerial Vehicle (UAV) photogrammetry, we developed a set of 3D indicators to evaluate objective GWV across four dimensions: naturalness (window greening view ratio), diversity (window vegetation colour richness index), complexity (window vegetation complexity index), and coherence (window greening unity index). In addition, we collected perceived greenness as a subjective GWV metric. A total of 1,007 older adults from 40 residential communities in Nanjing, China were recruited to report their PA intention and intensity. A hierarchical linear model and multilevel mediation analysis were then employed to examine the associations between the GWV, PA intention, and PA intensity. The results suggest that the window greening view ratio was positively associated with PA intensity, while the window vegetation colour richness index showed a negative association. The window greening view ratio, window vegetation complexity index, window greening unity index, and perceived greenness are significantly associated with PA intention, which, in turn, may enhance PA intensity among older adults. Our findings shed light on how visible vegetation characteristics from windows may influence PA intensity among older adults and whether these associations can be partially mediated by PA intention, offering valuable insights for policy initiatives focused on health-oriented greenspace planning.

{"title":"Watching nature through the window cannot be overlooked! Nexus between green window view, physical activity intention, and intensity among older adults","authors":"Yue Yin, Tianyu Xia, Ting Shu, Bing Zhao, Gexiang Zhang, Jinguang Zhang","doi":"10.1016/j.landurbplan.2025.105318","DOIUrl":"10.1016/j.landurbplan.2025.105318","url":null,"abstract":"<div><div>Extensive studies have underscored the positive associations between various types of greenspace exposure and physical activity (PA); however, few studies have examined the beneficial effects of greenspaces viewed from windows on the PA of older adults. This study is the first to disentangle the association between green window views (GWV) and PA intensity and determine whether this association is mediated by PA intention. Using three-dimensional (3D) point-cloud data derived from Unmanned Aerial Vehicle (UAV) photogrammetry, we developed a set of 3D indicators to evaluate objective GWV across four dimensions: naturalness (window greening view ratio), diversity (window vegetation colour richness index), complexity (window vegetation complexity index), and coherence (window greening unity index). In addition, we collected perceived greenness as a subjective GWV metric. A total of 1,007 older adults from 40 residential communities in Nanjing, China were recruited to report their PA intention and intensity. A hierarchical linear model and multilevel mediation analysis were then employed to examine the associations between the GWV, PA intention, and PA intensity. The results suggest that the window greening view ratio was positively associated with PA intensity, while the window vegetation colour richness index showed a negative association. The window greening view ratio, window vegetation complexity index, window greening unity index, and perceived greenness are significantly associated with PA intention, which, in turn, may enhance PA intensity among older adults. Our findings shed light on how visible vegetation characteristics from windows may influence PA intensity among older adults and whether these associations can be partially mediated by PA intention, offering valuable insights for policy initiatives focused on health-oriented greenspace planning.</div></div>","PeriodicalId":54744,"journal":{"name":"Landscape and Urban Planning","volume":"257 ","pages":"Article 105318"},"PeriodicalIF":7.9,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143379250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}

引用次数: 0

Understanding the effect of built-up and green spaces upon air quality at multiple spatial scales: A systematic literature review

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-11 DOI: 10.1016/j.landurbplan.2025.105304

Chenling Wu , Ahmed Hazem Eldesoky , Eugenio Morello

Understanding how to design and plan built-up and green spaces in cities is essential for achieving optimal outdoor air quality. While several studies have investigated how different indicators of built-up and green spaces impact air quality across various spatial scales (macro, meso, and micro), the findings and evidence remain fragmented and largely inaccessible to urban designers, planners, and policymakers. To bridge this gap, we conducted a systematic literature review of 61 peer-reviewed publications to: (1) provide an overview of the literature addressing the impacts of built-up and green spaces on air quality, including key areas of investigation (emission, dispersion, deposition, exposure, etc.), the pollutants studied (particulates, gases), and the quantitative methods used (numerical, physical, and empirical models); (2) develop a taxonomy of built-up and green space indicators that influence air quality at different spatial scales, such as urban canyon aspect ratios, vegetation size, and land-use and land-cover compositions; and (3) synthesize quantitative evidence on how these indicators affect air quality (positively, negatively, insignificantly, or variously) across scales. The taxonomy and synthesized evidence offer actionable, evidence-based insights for urban planning, design, and policy to improve air quality at different spatial scales. Additionally, the review highlights several under-explored areas for future air quality research, such as the impact of vegetation configuration.

{"title":"Understanding the effect of built-up and green spaces upon air quality at multiple spatial scales: A systematic literature review","authors":"Chenling Wu , Ahmed Hazem Eldesoky , Eugenio Morello","doi":"10.1016/j.landurbplan.2025.105304","DOIUrl":"10.1016/j.landurbplan.2025.105304","url":null,"abstract":"<div><div>Understanding how to design and plan built-up and green spaces in cities is essential for achieving optimal outdoor air quality. While several studies have investigated how different indicators of built-up and green spaces impact air quality across various spatial scales (macro, meso, and micro), the findings and evidence remain fragmented and largely inaccessible to urban designers, planners, and policymakers. To bridge this gap, we conducted a systematic literature review of 61 peer-reviewed publications to: (1) provide an overview of the literature addressing the impacts of built-up and green spaces on air quality, including key areas of investigation (emission, dispersion, deposition, exposure, etc.), the pollutants studied (particulates, gases), and the quantitative methods used (numerical, physical, and empirical models); (2) develop a taxonomy of built-up and green space indicators that influence air quality at different spatial scales, such as urban canyon aspect ratios, vegetation size, and land-use and land-cover compositions; and (3) synthesize quantitative evidence on how these indicators affect air quality (positively, negatively, insignificantly, or variously) across scales. The taxonomy and synthesized evidence offer actionable, evidence-based insights for urban planning, design, and policy to improve air quality at different spatial scales. Additionally, the review highlights several under-explored areas for future air quality research, such as the impact of vegetation configuration.</div></div>","PeriodicalId":54744,"journal":{"name":"Landscape and Urban Planning","volume":"257 ","pages":"Article 105304"},"PeriodicalIF":7.9,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143388064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing recreationists’ preferences of the landscape and species using crowdsourced images and machine learning

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-09 DOI: 10.1016/j.landurbplan.2025.105315

Abdesslam Chai-allah , Johannes Hermes , Anne De La Foye , Zander S. Venter , Frédéric Joly , Gilles Brunschwig , Sandro Bimonte , Nathan Fox

Crowdsourced data are now well-established for assessing cultural ecosystem services (CES). In rural areas, understanding which land covers people prefer to recreate in, and how these land covers provide different CES, is necessary to support sustainable use. In this study, we aim to assess recreationists’ revealed preferences of landscape aesthetics and species observation as two CES, considering multiple land cover types in a rural area in France. This assessment was carried out using georeferenced images from two crowdsourced sources (Flickr and Wikiloc) and by analyzing their content using a machine-learning algorithm. We further developed a framework to classify images based on their content into CES-related images (those depicting landscapes or species) and non-CES-related images. Finally, we assessed how images depicting landscape aesthetics and species observation are distributed across the land covers visited by recreationists, and which species groups are the most photographed. Our results showed the dominance of images of open landscape views over close-up species images, and that grasslands are the primary providers of open views. In addition, we found that forests also provide open landscape views, suggesting that forests with gaps in canopy cover and viewpoints can be as important as grasslands in providing aesthetic views, especially in hilly landscapes. For species, the category “plants and flowers“ was the most photographed, followed by invertebrates and birds on Flickr, and domestic livestock on Wikiloc. This study provides insights into the importance of using multiple crowdsourced sources in CES assessment, providing critical insights for both landscape managers and conservationists.

{"title":"Assessing recreationists’ preferences of the landscape and species using crowdsourced images and machine learning","authors":"Abdesslam Chai-allah , Johannes Hermes , Anne De La Foye , Zander S. Venter , Frédéric Joly , Gilles Brunschwig , Sandro Bimonte , Nathan Fox","doi":"10.1016/j.landurbplan.2025.105315","DOIUrl":"10.1016/j.landurbplan.2025.105315","url":null,"abstract":"<div><div>Crowdsourced data are now well-established for assessing cultural ecosystem services (CES). In rural areas, understanding which land covers people prefer to recreate in, and how these land covers provide different CES, is necessary to support sustainable use. In this study, we aim to assess recreationists’ revealed preferences of landscape aesthetics and species observation as two CES, considering multiple land cover types in a rural area in France. This assessment was carried out using georeferenced images from two crowdsourced sources (Flickr and Wikiloc) and by analyzing their content using a machine-learning algorithm. We further developed a framework to classify images based on their content into CES-related images (those depicting landscapes or species) and non-CES-related images. Finally, we assessed how images depicting landscape aesthetics and species observation are distributed across the land covers visited by recreationists, and which species groups are the most photographed. Our results showed the dominance of images of open landscape views over close-up species images, and that grasslands are the primary providers of open views. In addition, we found that forests also provide open landscape views, suggesting that forests with gaps in canopy cover and viewpoints can be as important as grasslands in providing aesthetic views, especially in hilly landscapes. For species, the category “plants and flowers“ was the most photographed, followed by invertebrates and birds on Flickr, and domestic livestock on Wikiloc. This study provides insights into the importance of using multiple crowdsourced sources in CES assessment, providing critical insights for both landscape managers and conservationists.</div></div>","PeriodicalId":54744,"journal":{"name":"Landscape and Urban Planning","volume":"257 ","pages":"Article 105315"},"PeriodicalIF":7.9,"publicationDate":"2025-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing accessibility to peri-urban parks considering supply, demand, and traffic conditions

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-07 DOI: 10.1016/j.landurbplan.2025.105313

Linchuan Yang , Yi Lu , Mengqiu Cao , Ruoyu Wang , Jie Chen

With the acceleration of urbanization, ensuring equitable access (or accessibility) to peri-urban parks for residents has become a key issue in landscape and urban planning. Traditional studies on peri-urban park accessibility often lack a comprehensive evaluation of the supply and demand for peri-urban parks and traffic conditions. Taking Chengdu as an example, this study develops an improved two-step floating catchment area method that integrates traffic conditions. It dynamically assesses accessibility to peri-urban parks at different times during weekends and spatial inequalities, as well as explores the relationship between these inequalities and traffic conditions. The results indicate that under a 60-minute time threshold, there is significant two-tier differentiation in accessibility to peri-urban parks in Chengdu, with significant differences between different time points. Particularly during periods of traffic congestion, the issue of accessibility inequality becomes more prominent. This phenomenon highlights a strong correlation between congestion levels on routes to parks and inequality in park accessibility. This study provides a novel perspective and methodology for dynamically evaluating and optimizing accessibility to peri-urban parks, providing empirical evidence for urban planners in the planning of peri-urban parks and the design of transportation systems. This study emphasizes the need for comprehensive and proactive measures in the planning process to alleviate the adverse effects of traffic congestion on accessibility to peri-urban parks.

{"title":"Assessing accessibility to peri-urban parks considering supply, demand, and traffic conditions","authors":"Linchuan Yang , Yi Lu , Mengqiu Cao , Ruoyu Wang , Jie Chen","doi":"10.1016/j.landurbplan.2025.105313","DOIUrl":"10.1016/j.landurbplan.2025.105313","url":null,"abstract":"<div><div>With the acceleration of urbanization, ensuring equitable access (or accessibility) to <em>peri</em>-urban parks for residents has become a key issue in landscape and urban planning. Traditional studies on <em>peri</em>-urban park accessibility often lack a comprehensive evaluation of the supply and demand for <em>peri</em>-urban parks and traffic conditions. Taking Chengdu as an example, this study develops an improved two-step floating catchment area method that integrates traffic conditions. It dynamically assesses accessibility to <em>peri</em>-urban parks at different times during weekends and spatial inequalities, as well as explores the relationship between these inequalities and traffic conditions. The results indicate that under a 60-minute time threshold, there is significant two-tier differentiation in accessibility to <em>peri</em>-urban parks in Chengdu, with significant differences between different time points. Particularly during periods of traffic congestion, the issue of accessibility inequality becomes more prominent. This phenomenon highlights a strong correlation between congestion levels on routes to parks and inequality in park accessibility. This study provides a novel perspective and methodology for dynamically evaluating and optimizing accessibility to <em>peri</em>-urban parks, providing empirical evidence for urban planners in the planning of <em>peri</em>-urban parks and the design of transportation systems. This study emphasizes the need for comprehensive and proactive measures in the planning process to alleviate the adverse effects of traffic congestion on accessibility to <em>peri</em>-urban parks.</div></div>","PeriodicalId":54744,"journal":{"name":"Landscape and Urban Planning","volume":"257 ","pages":"Article 105313"},"PeriodicalIF":7.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143348926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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}

引用次数: 0

Accessible, and culturally responsive: Why we need to examine diverse plant uses and values in green infrastructure

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-06 DOI: 10.1016/j.landurbplan.2025.105317

Lucero Radonic , Valeria Galindo , Karen Hanshaw , Flor Sandoval

As green infrastructure (GI) proliferates as an adaptation strategy to living with increasing temperatures in urban areas, these initiatives may impact how people differentially experience the local climate and health benefits of urban greening. Scholars have studied the uneven distribution of urban greenery, but less attention has been paid to diverse plant uses and values by different sectors of the population and how those align (or not) with institutional plant preferences enshrined in GI policies. To address this gap, this article offers an in-depth case study of publicly-funded residential raingardens in a semi-arid city of the U.S. Southwest by drawing on an environmental justice framework. Through a mixed-methods approach we identify key criteria for residential plant selection among two groups from different economic and cultural backgrounds, and examine the desired benefits driving those preferences. More saliently, we found that plant preferences among low-income Hispanic residents tended to be at odds with institutional expectations of appropriate vegetation for GI installations in the context of increased heat and reduced water resources. Instead, they favored often-thirsty fruit bearing plants that provide cultural ecosystem services but are consistently excluded from the recommended plant lists used by program managers and expert practitioners. As practitioners and policy-makers seek to develop GI in historically underserved neighborhoods to reduce vulnerabilities to extreme heat, it is paramount to understand what people care to plant, what desired benefits they seek from those plants, and how they relate to plants in GI installations. Thus, this article argues that systematic attention to diversity in people-plant interactions is critical for implementing GI programs that are not only spatially, administratively, and financially accessible to underserved communities, but also culturally responsive to community identified needs. Moreover, by systematically documenting how different groups of people interact, use, and value vegetation this research adds to the movement towards integrating a biocultural approach to urban greening and to GI planning and implementation more specifically.

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引用次数: 0

Does urban sprawl lessen green space exposure? Evidence from Chinese cities

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-02-06 DOI: 10.1016/j.landurbplan.2025.105319

Yang Chen , Daniele La Rosa , Wenze Yue

Maintaining universal exposure to green space is one of the crucial tasks in building livable cities. However, the prevalence of urban expansion in the past few decades worldwide has resulted in uneven exposure to green space as a spatial concomitant of disordered urban development. Previous literature has mainly focused on examining the impacts of biophysical conditions, socio-economic development, and institutional capacity in shaping green space exposure, with little attention given to the role of urban sprawl. To address the gap, we developed a conceptual framework to explore the relationships between urban sprawl and green space exposure. We then used Amap real-time accessibility model, landscape metrics, and regression models to examine whether urban sprawl can lessen green space exposure in Chinese cities. Statistically, it is clear that southern and southeastern cities, as well as those at higher administrative levels, have greater green space exposure, while eastern and smaller cities tend to exhibit urban sprawl. Furthermore, we partially confirmed that urban sprawl can lessen green space exposure, especially in dispersed and fragmented Chinese cities. This result can be attributed to planning strategies that prioritize city cores over suburban areas. However, this is not the case for complex urban forms. We speculate that this finding is linked to the universal characteristics of unsystematic growth and edge development in Chinese cities. This work may provide insights for planners and decision-makers in coordinating green space planning with urban development trajectories.

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引用次数: 0