Landscape and Urban Planning最新文献_第2页

Social and ecological factors on the perception of cultural ecosystem services and disservices: Insights from Shanghai, China 社会生态因素对文化生态系统服务与危害感知的影响：来自上海的启示

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-14 DOI: 10.1016/j.landurbplan.2025.105373

Rongfei Su , Shiyu Ye , Linlin Yu , Jingbin Wu , Yan Kang , Ruishan Chen

Urban habitat gardens, designed at the urban community scale, are increasingly recognized as vital components of urban green infrastructure, contributing to biodiversity conservation and enhancing urban resident well-being. Despite their growing implementation, comprehensive studies examining their delivery of cultural ecosystem services (CESs) in densely populated areas remain limited. Previous research has predominantly focused on ecological impacts while largely neglecting the social dimensions influencing CES perception and valuation. This study bridges this gap by conceptualizing the multiscale feedback framework linking cultural ecosystem services and urban socio-ecological drivers. Using a mixed-methods approach, we then testified the conceptual framework by a case study focusing on eight habitat gardens in Changning District, Shanghai city of China. Results indicate that recreational and aesthetic values were most highly rated, while inspiration received the lowest valuation. Approximately 30% of residents reported disservices including animal disturbances, safety concerns, and health issues. Both social factors (age, education, gender, employment), usage patterns (visit frequency, duration), and ecological characteristics (plant diversity, landscape connectivity) significantly influenced CES perceptions. The findings underscore the necessity of integrating ecological properties with community characteristics to optimize habitat gardens’ efficacy in biodiversity conservation and CES delivery. We recommend holistic strategies that balance ecological and social sustainability in urban planning.

在城市社区范围内设计的城市生境花园越来越被认为是城市绿色基础设施的重要组成部分，有助于保护生物多样性和提高城市居民的福利。尽管其实施范围越来越广，但对其在人口稠密地区提供文化生态系统服务（CES）的全面研究仍然有限。以往的研究主要集中在生态影响方面，在很大程度上忽视了影响 CES 感知和估值的社会因素。本研究通过概念化多尺度反馈框架，将文化生态系统服务与城市社会生态驱动因素联系起来，弥补了这一不足。然后，我们采用混合方法，对中国上海市长宁区的八个人居花园进行了案例研究，从而验证了这一概念框架。结果表明，休闲和美学价值的评价最高，而灵感价值的评价最低。约 30% 的居民报告了不利因素，包括动物干扰、安全问题和健康问题。社会因素（年龄、教育程度、性别、就业）、使用模式（访问频率、持续时间）和生态特征（植物多样性、景观连通性）都对 CES 感知产生了重大影响。研究结果表明，有必要将生态特性与社区特征相结合，以优化生境花园在保护生物多样性和提供社区生态服务方面的功效。我们建议在城市规划中采取平衡生态和社会可持续性的整体战略。

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引用次数: 0

Research note: assessing human preferences for natural landscapes—an analysis of ChatGPT-4 and LLaVA models 研究笔记：评估人类对自然景观的偏好——对ChatGPT-4和LLaVA模型的分析

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-12 DOI: 10.1016/j.landurbplan.2025.105371

Yu-Hsin Tung , Zhe-Rui Yang , Meng-Wei Shen , Chun-Yen Chang , Chien-Chung Chen , Li-Chih Ho

This study explores the potential of large language models (LLMs) to approximate human preferences for and aesthetic judgments of natural landscapes using natural language processing techniques. Our research addresses the gap in understanding how well LLMs can replicate complex human perceptions related to landscape preferences. We compared human responses and model predictions across 30 natural scenes in five landscape preference dimensions—complexity, coherence, legibility, mystery, and overall preference. Responses from 50 human participants formed the benchmark for assessing predictions by Chat Generative Pre-Trained Transformer (GPT)-4 and Large Language and Vision Assistant (LLaVA). Correlations between human responses and model predictions evaluated the extent of AI’s ability to mimic complex human perceptions. The results indicate that GPT-4 and LLaVA align significantly with human judgments of complexity, coherence, mystery, and overall preference but not of legibility, which highlights the challenge of evaluating nuanced aspects of natural landscapes using LLMs.

本研究探讨了大型语言模型（LLMs）利用自然语言处理技术近似人类对自然景观的偏好和审美判断的潜力。我们的研究填补了在了解大型语言模型如何复制人类与景观偏好相关的复杂感知方面的空白。我们从五个景观偏好维度--复杂性、连贯性、可读性、神秘性和总体偏好--比较了 30 个自然景观中人类的反应和模型的预测。来自 50 名人类参与者的反应是评估 Chat Generative Pre-Trained Transformer (GPT)-4 和 Large Language and Vision Assistant (LLaVA) 预测结果的基准。人类反应与模型预测之间的相关性评估了人工智能模仿复杂人类感知的能力。结果表明，GPT-4 和 LLaVA 与人类对复杂性、连贯性、神秘性和整体偏好的判断显著一致，但与可读性的判断不一致，这凸显了使用 LLM 评估自然景观细微差别的挑战。

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引用次数: 0

What to do with the spaces in between? The social-ecological value of informal green space and the challenge of planning the unplanned 如何处理中间的空间？非正式绿地的社会生态价值与规划非规划的挑战

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-10 DOI: 10.1016/j.landurbplan.2025.105372

Hugh R. Stanford

The evolving discourse around IGS – the unplanned and unintended green spaces in our cities – has developed to a point where we have a strong and growing understanding of their diverse social-ecological value. With our growing understanding of IGS comes the capacity and responsibility to think more critically about how these spaces should be more actively considered in land use decision making to improve social and environmental justice outcomes. The paper explores this concept, outlining three strategies to assist planners and managers make more informed decisions regarding IGS. The three strategies include the strategic hands-off approach, formalisation approach, and temporary use approach. No single approach is suitable in all circumstances, and the paper discusses the strengths and weakness of each. The strategic hands-off approach allows IGS to develop naturally with minimal intervention, making it suitable for sites with existing ecological or social value. The formalisation approach converts IGS into more formal green spaces – such as parks – capitalising on the potential of an IGS site, while possibly destroying any existing value in the process. The temporary use approach strikes a balance between these two methods, allowing and supporting some smaller scale installations while ensuring the most valuable existing site features are retained. Finally, I outline several key outstanding questions to guide future research in the field of IGS and green space planning. This paper guides decision-makers by discussing the advantages and limitations of each approach and suggests future research directions to enhance IGS planning and management in the urban environment.

围绕IGS的不断发展的讨论——我们城市中未规划和无意的绿色空间——已经发展到一个地步，我们对它们多样化的社会生态价值有了越来越强的理解。随着我们对IGS的理解不断加深，我们有能力和责任更批判性地思考如何在土地使用决策中更积极地考虑这些空间，以改善社会和环境正义的结果。本文探讨了这一概念，概述了三种策略，以帮助规划者和管理者做出更明智的决策。这三种策略包括战略性不干涉方法、形式化方法和临时使用方法。没有一种方法适用于所有情况，本文讨论了每种方法的优缺点。这种不干涉的策略允许IGS以最小的干预自然发展，使其适合具有现有生态或社会价值的地点。形式化的方法将IGS转变为更正式的绿色空间，如公园，利用IGS场地的潜力，同时可能在此过程中破坏任何现有的价值。临时使用方法在这两种方法之间取得了平衡，允许和支持一些小规模的安装，同时确保保留最有价值的现有场地特征。最后，提出了几个关键的突出问题，以指导未来在IGS和绿地规划领域的研究。本文通过讨论每种方法的优势和局限性来指导决策者，并提出未来的研究方向，以加强城市环境中IGS的规划和管理。

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引用次数: 0

Perception of urban street visual color environment based on the CEP-KASS framework 基于CEP-KASS框架的城市街道视觉色彩环境感知

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-09 DOI: 10.1016/j.landurbplan.2025.105359

Ningjun Chen, Lei Wang, Tao Xu, Miao Wang

The colors of urban streets play a vital role in shaping the city's image and influencing people's emotional perceptions. However, the relationship between street color environments and residents' perceptions has rarely been explored in depth, and existing studies predominantly adopt qualitative approaches. To accurately and effectively assess the connection and impact between street landscape colors and residents' emotional perceptions, this paper introduces a quantitative research framework based on multi-source data: the Color Emotion Perception framework with K-Means, SegNet, and SVM (CEP-KASS). This framework innovatively integrates residents' perceptions with urban color characteristics, offering a new perspective and direction for urban color planning. This study focuses on the central districts of Tianjin, employing machine learning models to predict human perception of Baidu Street View Images (BSVI) and to extract color characteristics from these images. An analysis is then conducted on the relationship between street landscape colors and human emotional perceptions. The findings indicate that, in terms of color perception, the prevalence of blue and green is positively correlated with emotions of prosperity and vitality, while the prevalence of red and yellow is negatively correlated with feelings of safety. Regarding color attributes, bright colors lead to higher boredom perception scores in urban street spaces, while excessively low brightness reduces the attractiveness of these areas to residents. Brightness is inversely related to vitality perception scores, and modulating brightness inversely can enhance the vitality perception in urban outdoor spaces. The main contribution of this study lies in its analysis of the relationship between street colors and human perception from the perspective of color psychology. Additionally, the CEP-KASS framework facilitates comprehensive measurement and analysis of color and perception, which can be extended to research in other cities. The research findings provide valuable insights for planners, allowing them to consider the impact of color changes in decision-making to enhance residents' spatial perception and emotional experience.

城市街道的色彩在塑造城市形象和影响人们的情感认知方面起着至关重要的作用。然而，人们很少深入探讨街道色彩环境与居民感知之间的关系，现有研究也主要采用定性方法。为了准确有效地评估街道景观色彩与居民情感认知之间的联系和影响，本文介绍了一种基于多源数据的定量研究框架：带有 K-Means、SegNet 和 SVM（CEP-KASS）的色彩情感认知框架。该框架创新性地将居民感知与城市色彩特征相结合，为城市色彩规划提供了新的视角和方向。本研究以天津市中心城区为研究对象，采用机器学习模型预测人类对百度街景图像（BSVI）的感知，并从这些图像中提取色彩特征。然后分析了街道景观色彩与人类情感感知之间的关系。研究结果表明，在色彩感知方面，蓝色和绿色与繁荣和活力的情绪呈正相关，而红色和黄色与安全感呈负相关。在色彩属性方面，明亮的色彩会提高城市街道空间的无聊感得分，而过低的亮度则会降低这些区域对居民的吸引力。亮度与活力感知得分成反比，反向调节亮度可以增强城市户外空间的活力感知。本研究的主要贡献在于从色彩心理学的角度分析了街道色彩与人类感知之间的关系。此外，CEP-KASS 框架有助于对色彩和感知进行全面测量和分析，可推广到其他城市的研究中。研究成果为规划者提供了宝贵的见解，使他们能够在决策中考虑色彩变化的影响，从而增强居民的空间感知和情感体验。

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引用次数: 0

What doesn’t kill you makes you stronger: Using plant traits to inform species selection for naturalistic plantings in hotter and drier climates 不会杀死你的东西会让你更强大：在炎热和干燥的气候下，利用植物的特性来选择自然种植的物种

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-09 DOI: 10.1016/j.landurbplan.2025.105364

Lavinia Hsiao-Hsuan Chu, Christopher Szota, Stefan K. Arndt, Claire Farrell

Urban plantings can improve the liveability of cities, but wide-scale implementation can be deterred by maintenance costs. Naturalistic plantings are low-maintenance and are being used to provide multiple ecosystem services and amenity in cities worldwide. In hotter and drier climates, naturalistic plantings could take inspiration from natural shrubland communities to tolerate summer droughts and remain low maintenance. The Woody Meadow Project proposes using diverse plantings of small trees and shrubs maintained by coppicing (hard pruning every 2 years) to create dense canopies to suppress weeds and promote flowering. Therefore, Woody Meadow species should resprout vigorously after coppicing, but coppicing response remains poorly understood. Leveraging on research into resprouting after natural disturbances such as fire, we investigated whether plant traits, starch reserves, and habitat water availability influence resprouting success and vigour after coppicing. We evaluated 77 Australian woody species in a common garden experiment and related coppicing response to pre-coppiced traits and storage reserves and their habitat water availability based on species occurrences (Atlas of Living Australia) and their climates (WorldClim). Most (88 %) species resprouted after coppicing, suggesting that most Australian woody species are suitable for Woody Meadows. However, we could not predict resprouting success after coppicing with pre-coppiced traits and habitat water availability. Nonetheless, greater species diversity could minimise impacts of poorer resprouters on planting success. Greater resprouting vigour was observed for species with greater pre-coppiced basal area, height, total biomass, and starch pool (i.e., greater pre-coppiced plant size), indicating that larger-sized plant species will maintain weed suppression and visual appeal in Woody Meadows after coppicing.

城市种植可以改善城市的宜居性，但大规模实施可能会受到维护成本的阻碍。自然植物的维护成本低，在世界各地的城市中被用来提供多种生态系统服务和舒适设施。在炎热干燥的气候中，自然主义的种植可以从天然灌木群落中获得灵感，以忍受夏季干旱，并保持低维护。木本草甸项目建议通过修剪（每两年硬修剪一次）来种植各种小树和灌木，以形成茂密的树冠，以抑制杂草并促进开花。因此，木本草甸植物在刈刈后应该会有旺盛的生长，但对刈刈的响应尚不清楚。利用对自然干扰（如火灾）后再生的研究，我们研究了植物性状、淀粉储量和生境水分有效性是否影响再生成功和活力。基于物种发生（Atlas of Living Australia）和气候（WorldClim），我们对77种澳大利亚木本植物进行了普通园林试验，并分析了相关的copcoping对预copcoping性状、储存储量和栖息地水分有效性的响应。大多数（88%）树种在攀缘后重新生根，表明大多数澳大利亚木本树种适合于伍迪草地。然而，我们不能预测预适应性状和生境水分有效性后的再生成功。尽管如此，更大的物种多样性可以最大限度地减少较差的孢子对种植成功的影响。预覆盖后的底面面积、高度、总生物量和淀粉库（即预覆盖后的植株大小）较大的植物再生活力更强，这表明在预覆盖后，较大的植物物种将保持对伍迪草甸杂草的抑制和视觉吸引力。

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引用次数: 0

Stakeholder networks underpinning the transformative practice of urban roadside verge greening 支持城市路边边缘绿化变革实践的利益相关者网络

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-07 DOI: 10.1016/j.landurbplan.2025.105342

E. Ligtermoet , N. Pauli , K. Martinus , C.E. Ramalho

Understanding how social networks facilitate the adoption of marginal urban greening actions can provide valuable impetus to guide transformative change in urban landscapes, which are under multiple social and environmental stressors globally. Social network mapping of resource flows, particularly information sharing, is one tool for understanding the emergent and transformative urban greening practice of landscaping roadside verges with native and/or waterwise plants. Urban roadside greening in Perth, Western Australia, while formerly prohibited, is now increasingly accepted and advocated for by multiple sectors, as a nature-based solution that provides multiple ecosystem services and social-ecological benefits. This study drew on participatory stakeholder mapping to examine the stakeholder network of non-residential actors connected with verge greening. Using social network analysis, we found almost 80% of resource flows across a large network of diverse stakeholders were information related. We identified top providers, recipients, brokers, as local and state governments and peak bodies, and, to a lesser extent, key individuals, community groups, nurseries, residents and environmental consultants and developers. The network was characterized by four dominant and five smaller communities, which we classified into a typology based on composition, structure (quantitative material), and contextual knowledge, including function, dominant roles and responsibilities (qualitative material). These were the ‘planning and development hub’, ‘governance enablers’, ‘water efficient hub’, ‘greenspace hub’. The five smaller communities were ‘advocates’, ‘transformers’, ‘new vision’, ‘local networks’ and ‘early adopters’. The network analysis provides evidence of communities that transcend traditional sector or actor silos, commonly converging around local governments as key knowledge brokers.

了解社会网络如何促进边缘城市绿化行动的采用，可以为在全球多重社会和环境压力下指导城市景观的转型变化提供宝贵的动力。资源流动的社会网络映射，特别是信息共享，是理解用本地和/或水生植物美化路边边缘的新兴和变革性城市绿化实践的一种工具。在西澳大利亚州的珀斯，城市路边绿化虽然以前是被禁止的，但现在越来越多的人接受和倡导，作为一种基于自然的解决方案，可以提供多种生态系统服务和社会生态效益。本研究利用参与式利益相关者映射来研究与边缘绿化相关的非住宅行为者的利益相关者网络。通过社会网络分析，我们发现，在由不同利益相关者组成的大型网络中，近80%的资源流动与信息相关。我们确定了顶级的提供者、接受者、经纪人，如地方和州政府和高峰机构，以及次要的关键个人、社区团体、托儿所、居民、环境顾问和开发商。该网络的特征是由4个主要社区和5个较小的社区组成，我们根据组成、结构（定量材料）和语境知识（包括功能、主导角色和责任（定性材料））将其分类为类型学。这些是“规划和发展中心”、“治理推动者”、“节水中心”、“绿色空间中心”。五个较小的社区分别是“倡导者”、“变革者”、“新视野”、“本地网络”和“早期采用者”。网络分析提供了超越传统部门或行动者筒仓的社区的证据，这些社区通常聚集在地方政府周围，作为关键的知识中间人。

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引用次数: 0

Comparative environmental life cycle assessment of urban green spaces and design elements – A case study in Vienna 城市绿地与设计要素的比较环境生命周期评价——以维也纳为例

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-05 DOI: 10.1016/j.landurbplan.2025.105363

Theresa Krexner , Michael Obriejetan , Alexander Bauer , Iris Kral

Urban green spaces are becoming increasingly important due to their multitude of ecosystem services. Until now, the focus of environmental impact assessment has been mainly on greenhouse gas emissions. Hence, this study aims to assess common green spaces in Vienna with the method of life cycle assessment for the impact categories climate change, fine particulate matter formation, marine eutrophication and terrestrial acidification over the whole life cycle. A utility lawn (UL), a meadow lawn (ML) and a perennial bed are compared with each other based on the functional unit (FU) of 1 m² covered area over 30 years. Further, combinations of UL and ML with each other and with two different pathway options are assessed in hypothetical park compositions. Results show that the UL as intensively maintained green space has higher environmental impacts compared to extensively maintained ones (ML, perennial bed); e.g., in the impact category climate change ML and perennial bed have an impact of 2.90 and 10.68 kg CO₂ eq./FU, respectively compared to UL with 54.59 kg CO₂ eq./FU. Overall, the maintenance phase is a hotspot in every assessed impact category. When increasing the size of UL this leads to a reduction of environmental impacts; e.g., a 2.5 times bigger area reduces the GWP by over 50 %. When combining UL and ML, the marine eutrophication potential can be reduced significantly due to less fertilizing and mowing. A combination of green space and pathways does not result in a large increase or a significant reduction in environmental impacts.

城市绿地因其多种生态系统服务而变得越来越重要。到目前为止，环境影响评估的重点主要集中在温室气体排放上。因此，本研究旨在采用生命周期评估方法，评估维也纳常见绿地在整个生命周期中对气候变化、细颗粒物形成、海洋富营养化和陆地酸化等类别的影响。以 30 年内 1 平方米覆盖面积的功能单位（FU）为基础，对公用草坪（UL）、草甸草坪（ML）和多年生花坛进行了比较。此外，还在假定的公园组合中评估了 UL 和 ML 的相互组合以及与两种不同路径方案的组合。结果表明，与广泛维护的绿地（ML、多年生花坛）相比，密集维护的 UL 绿地对环境的影响更大；例如，在气候变化影响类别中，ML 和多年生花坛对环境的影响分别为 2.90 和 10.68 千克二氧化碳当量/单位，而 UL 绿地对环境的影响为 54.59 千克二氧化碳当量/单位。总体而言，在每个评估影响类别中，维护阶段都是一个热点。增加 UL 的面积可减少对环境的影响；例如，面积增加 2.5 倍，全球升温潜能值就会降低 50%以上。将 UL 和 ML 结合在一起时，由于减少了施肥和除草，海洋富营养化的可能性会大大降低。绿地和路径的结合不会导致环境影响的大幅增加或显著减少。

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引用次数: 0

One for all, all for one? Pollinator groups differ in diversity and specialization of interactions across urban green spaces 我为人人，人人为我？传粉者群体在城市绿地相互作用的多样性和专业化方面存在差异

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-04 DOI: 10.1016/j.landurbplan.2025.105361

Victor H.D. Silva , Ingrid N. Gomes , Camila Bosenbecker , Robert R. Junker , Pietro K. Maruyama

Urbanization poses significant threats to pollinators, but they may respond differently to habitat modification according to their nesting and foraging requirements. Despite the diversity of pollinator groups and species found in urban areas, research often focus on bees, neglecting other groups. Whether bee response to urbanization suffice in representing the wider pollinator spectrum, however, is poorly understood. Here, we examined how urbanization impacts the interaction networks between plants and different pollinator groups and evaluated the dissimilarities of urban green spaces at both local and regional scales within a Neotropical metropolis. Recording 1,404 interactions between 262 plant and 220 pollinator species, we found that network specialization varied among pollinator groups but was not affected by urban impervious surface cover. Such lack of difference may happen owing to the prevalence of generalist species across urban environments. Importantly, urban green spaces showed high dissimilarities in species and interactions, emphasizing the heterogeneity found across the urban landscape. Plant composition also varied between urban green spaces and was strongly correlated with interaction dissimilarities, indicating that floral resources contribute to unique interactions found in different areas. Our results suggest that although important, bees alone do not represent the wider response of pollinators to urbanization. Furthermore, the high dissimilarities influenced by site specific plant-pollinator co-occurrence underscore that multiple and connected green spaces are required to safeguard plant-pollinator interaction diversity and its vital ecosystem function in cities.

城市化对传粉媒介构成了重大威胁，但它们可能会根据筑巢和觅食需求对栖息地的改变做出不同的反应。尽管在城市地区发现了传粉者群体和物种的多样性，但研究往往集中在蜜蜂身上，而忽视了其他群体。然而，蜜蜂对城市化的反应是否足以代表更广泛的传粉媒介，人们知之甚少。在这里，我们研究了城市化如何影响植物与不同传粉者群体之间的相互作用网络，并评估了一个新热带大都市在局部和区域尺度上的城市绿地差异。通过对262种植物和220种传粉媒介之间1404种相互作用的记录，我们发现传粉媒介群体之间的网络专业化存在差异，但不受城市不透水地表覆盖的影响。这种差异的缺乏可能是由于在城市环境中普遍存在的多面手物种。重要的是，城市绿地在物种和相互作用方面表现出高度的差异性，强调了城市景观的异质性。植物组成在城市绿地之间也存在差异，且与相互作用差异密切相关，表明植物资源对不同区域的独特相互作用有贡献。我们的研究结果表明，尽管蜜蜂本身很重要，但它并不能代表传粉媒介对城市化的更广泛反应。此外，受特定地点植物-传粉媒介共发生影响的高度差异表明，城市中需要多个连接的绿地来保护植物-传粉媒介相互作用的多样性及其重要的生态系统功能。

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引用次数: 0

A hybrid framework for regional land valuation using generative intelligence and AutoML techniques 使用生成智能和AutoML技术的区域土地估价混合框架

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-04 DOI: 10.1016/j.landurbplan.2025.105365

Feifeng Jiang , Jun Ma

Land value is a crucial indicator of economic dynamics and regional development, providing essential information for urban planning and policy development. However, most existing studies estimate a singular land value over large areas, lacking the fine-grained details for urban management. This study therefore develops a RAHGV (relative-to-absolute hybrid generative valuation) framework for regional land valuation, which combines a hybrid learning strategy with deep generative modeling to produce high-resolution, spatially continuous land value distribution across extensive urban areas. In a case study of New York City (NYC), the RAHGV model outperforms typical one-step models by differentiating between local land variations and broader regional tendencies. Its bi-attention bottleneck significantly improves model performance, reducing MAE (Mean Absolute Error) by 45.75% and MSE (Mean Squared Error) by 69.86% compared to conventional deep generative methods. Local physical infrastructure and mixed land-use patterns primarily influence micro-scale land values, while community amenities and economic vibrancy drive macro-scale values. The findings highlight the potential of the RAHGV framework as a powerful tool for promoting sustainable urban development by delivering high-resolution, data-driven insights that support informed decision-making in rapidly evolving urban environments.

土地价值是经济动态和区域发展的重要指标，为城市规划和政策制定提供重要信息。然而，大多数现有的研究估计了大面积的单一土地价值，缺乏城市管理的细粒度细节。因此，本研究开发了一个用于区域土地估价的RAHGV（相对-绝对混合生成估价）框架，该框架将混合学习策略与深度生成建模相结合，以在广泛的城市地区产生高分辨率、空间连续的土地价值分布。在以纽约市为例的研究中，RAHGV模型通过区分局部土地变化和更广泛的区域趋势，优于典型的一步模型。它的双注意力瓶颈显著提高了模型性能，与传统的深度生成方法相比，MAE （Mean Absolute Error）降低了45.75%,MSE （Mean Squared Error）降低了69.86%。当地物质基础设施和混合土地利用模式主要影响微观尺度的土地价值，而社区便利设施和经济活力则推动宏观尺度的价值。研究结果强调了RAHGV框架作为促进可持续城市发展的有力工具的潜力，它提供高分辨率、数据驱动的见解，支持在快速变化的城市环境中做出明智的决策。

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引用次数: 0

From social innovation to institutional governance: Unveiling urban rooftop farming in Dhaka city using YouTube video analysis 从社会创新到制度治理：利用YouTube视频分析揭示达卡城市屋顶农业

IF 7.9 1区环境科学与生态学 Q1 ECOLOGY

Landscape and Urban Planning

Pub Date : 2025-04-04 DOI: 10.1016/j.landurbplan.2025.105366

Md Ashikuzzaman, Mohammad Shahidul Hasan Swapan, Atiq Uz Zaman, Yongze Song

Urban sustainability relies on maintaining a delicate balance between humans and nature. Urban rooftop farming (URF) has emerged as a potentially transformative practice in this regard. However, ensuring effective implementation of URF requires appropriate parameters that align with citizens’ ambitions. This study delves into residents’ experiences practicing URF in Dhaka city, advocating for a separate policy to sustain this sector and enhance the megacity’s overall environmental health. The research explores URF implementation in Dhaka and scrutinizes urban residents’ engagement with this practice through YouTube video analysis. The study uses binary logistic regression to examine the associations between residents’ socio-demographic characteristics and their motivations for URF participation. Additionally, K-means clustering techniques identify distinct groups of urban gardeners based on their recommendations for government organizations. The findings reveal that a predominantly male cohort with minimal URF training engages in the practice across diverse social strata, resulting in varied motivations. Gardeners in mixed land-use neighborhoods exhibit robust motivation, notably seeking URF policy guidelines and information hubs from government institutions. The study underscores the importance of inclusive stakeholder perspectives in effective policy formulation. It calls for integrating insights from government bodies, developers, and specialists to address URF within Dhaka city’s intricate urban fabric.

城市的可持续发展依赖于维持人与自然之间的微妙平衡。在这方面，城市屋顶农业（URF）已经成为一种潜在的变革实践。然而，确保URF的有效实施需要符合公民抱负的适当参数。本研究深入探讨了达卡市居民实践URF的经验，主张制定单独的政策来维持该部门并提高大都市的整体环境健康。本研究探讨了达卡的URF实施情况，并通过YouTube视频分析详细考察了城市居民对这一做法的参与情况。本研究使用二元逻辑回归分析居民社会人口学特征与其参与URF动机之间的关系。此外，k -均值聚类技术根据他们对政府组织的建议确定不同的城市园丁群体。研究结果显示，一个以男性为主、接受过最少URF训练的群体，在不同的社会阶层进行实践，导致动机各异。混合土地利用社区的园丁表现出强烈的动机，特别是向政府机构寻求URF政策指导和信息中心。该研究强调了包容性利益相关者视角对有效政策制定的重要性。它要求整合政府机构、开发商和专家的见解，以解决达卡城市复杂的城市结构中的URF问题。

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引用次数: 0