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Legal incentives for public land grabbing via deforestation in the Brazilian Amazon 巴西亚马逊地区通过砍伐森林来夺取公共土地的法律激励
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-05-01 Epub Date: 2026-02-07 DOI: 10.1016/j.landusepol.2026.107968
Brenda Brito, Jeferson Almeida
This paper examines how federal and state land laws in the Brazilian Amazon create incentives that benefit private actors illegally occupying public lands, who subsequently seek legalization through land titling. Throughout this process, they invade public lands, deforest the area to signal occupation, request land titles to governmental agencies, and often lobby to modify land laws in favor of title acquisition. While existing scholarship has focused primarily on federal land policies, this study provides a systematic assessment of land laws in all nine Amazonian states, which are particularly relevant given that between 40 % and 60 % of undesignated public land in the region falls under state jurisdiction. Here, we identify five structural incentives embedded in current land legislation that favor the persistence of public land encroachment: (i) the absence or extension of cut-off dates for the occupation of public lands that can be titled; (ii) the possibility of issuing titles over illegally deforested areas; (iii) the weakness or lack of requirements to restore environmental damage prior to titling; (iv) the pricing mechanisms that substantially undervalues public land; and (v) the limited coordination among land agencies, resulting in an increased risk of titles being issued in areas with other land claims’ priorities according to the law. Our results highlight how current land laws contribute to inefficient allocation of public land, fiscal losses, and continued deforestation. These findings provide empirical support for policy debates in Brazil focused on aligning land laws with environmental protection, climate commitments, and more efficient management of public assets.
本文考察了巴西亚马逊地区的联邦和州土地法如何创造激励机制,使非法占用公共土地的私人行为者受益,这些行为者随后通过土地所有权寻求合法化。在这一过程中,他们侵入公共土地,砍伐该地区的森林以表明占领,向政府机构申请土地所有权,并经常游说修改土地法以支持所有权获得。虽然现有的学术研究主要集中在联邦土地政策上,但本研究提供了对亚马逊所有九个州的土地法的系统评估,考虑到该地区40% %至60% %的未指定公共土地属于州管辖范围,这一点尤为重要。在这里,我们确定了当前土地立法中嵌入的五个结构性激励因素,这些激励因素有利于公共土地侵占的持续存在:(i)可以命名的公共土地的占用截止日期的缺失或延长;(ii)对非法砍伐森林地区颁发所有权的可能性;(iii)没有或缺乏在获得权之前恢复环境损害的要求;(iv)严重低估公共土地价值的定价机制;(五)土地机构之间的协调有限,导致在依法具有其他土地要求优先权的地区颁发地契的风险增加。我们的研究结果强调了现行土地法如何导致公共土地分配效率低下、财政损失和持续的森林砍伐。这些发现为巴西的政策辩论提供了实证支持,这些辩论的重点是使土地法与环境保护、气候承诺和更有效的公共资产管理相一致。
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引用次数: 0
Typology-based spatial modeling of urban block commercial vitality: Evidence from Shenzhen for land use planning 基于类型学的城市街区商业活力空间建模:来自深圳土地利用规划的证据
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-05-01 Epub Date: 2026-02-06 DOI: 10.1016/j.landusepol.2026.107973
Chendi Yang , Hao Huang , Sian Meng , Yunjie Zhang , Jacqueline T.Y. Lo , Rui Ma
Commercial vitality, or the ability of urban commercial facilities to attract and maintain human activity, is a key indicator of economic performance, urban vitality, and spatial equity. Current research focuses on commercial agglomeration areas, overlooking dispersed activities within heterogeneous urban forms. This study develops a typology-driven spatial framework for block commercial vitality (BCV) prediction through spatial feature engineering that integrates multi-source urban data with neighborhood catchment area (NCA). Shenzhen serves as the empirical setting, with real-time population flow data as a BCV proxy. Five categories of spatial features, demographic exposure, commercial gravity, small business intensity, transportation accessibility, and spatial configuration, were extracted to delineate the urban physical environment. Urban blocks were classified into nine morphological types by the Spacematrix method to place predictions in context. Three prediction models were compared, and the Random Forest regression performed best in predictive accuracy in empirical analysis. Feature importance analysis identified catering density, permanent population, and commercial gravity as the most influential predictors, while transportation and spatial configuration exert secondary influence. The framework indicates a stronger predictive performance for future-oriented block types compared to transitional mid-rise types. It provides methodological insights that are potentially transferable to other urban contexts to guide commercial planning, zoning optimization, and target renewal interventions at the block level.
商业活力,即城市商业设施吸引和维持人类活动的能力,是衡量经济绩效、城市活力和空间公平的关键指标。目前的研究主要集中在商业集聚地区,忽视了异质性城市形态中的分散活动。本研究通过将多源城市数据与社区集水区(NCA)相结合的空间特征工程,开发了一个类型学驱动的街区商业活力(BCV)预测空间框架。以深圳为实证设置,以实时人口流动数据作为BCV代理。提取了人口暴露、商业重力、小企业强度、交通可达性和空间配置等5类空间特征来描绘城市物理环境。通过空间矩阵方法将城市街区划分为9种形态类型,并将预测放置在上下文中。比较了三种预测模型,在实证分析中,随机森林回归的预测精度最好。特征重要性分析发现,餐饮密度、常住人口和商业重力是最具影响的预测因子,交通和空间配置的影响次之。该框架表明,与过渡性中高层类型相比,面向未来的区块类型具有更强的预测性能。它提供了可能转移到其他城市环境的方法见解,以指导商业规划、分区优化和街区层面的目标更新干预。
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引用次数: 0
Preserving agricultural land with agrivoltaic – But at what cost? An economic analysis of different agrivoltaic systems in Germany 用光伏发电保护农业用地——但代价是什么?德国不同农业发电系统的经济分析
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-05-01 Epub Date: 2026-02-06 DOI: 10.1016/j.landusepol.2026.107966
Jonas Böhm , Thomas de Witte , Frank Offermann , Uwe Latacz-Lohmann
Agrivoltaic systems have been advocated for their potential to reduce land use conflicts, as they enable the combined production of food and electricity on the same land. This paper determines the additional costs of agrivoltaic systems over conventional ground-mounted photovoltaic facilities on farmland and relates the extra cost to the amount of land saved, yielding an estimate of the costs of preserving farmland with agrivoltaics. The analysis is based upon extensive data collection from project developers as a basis of the cost calculations for various agrivoltaic and ground-mounted photovoltaic systems and system sizes. Net returns from farming under the agrivoltaic systems are credited against the costs of these systems. The levelized costs of electricity generation (LCOE) of agrivoltaic systems are significantly higher than those of ground-mounted photovoltaic systems. Depending on the agrivoltaic system type and scale, the additional costs range from 4 % to 148 % of the LCOE of ground-mounted photovoltaic systems. Agricultural production usually has little impact on overall profitability of the AV systems examined. When relating the additional costs of the agrivoltaic systems to the saved farmland area, the annual costs of preserving one hectare of land range between €8000 and €26,000 per ha and year for medium-sized, low-mounted agrivoltaic systems and between €42,000 and €75,000 per ha and year for high-mounted agrivoltaic systems. This is many times over the potential net returns from agricultural production on the land area saved. Given these findings, the meaningfulness of financial support for agrivoltaics, as offered by the German government, must be called into question.
农业发电系统因其减少土地使用冲突的潜力而受到推崇,因为它们可以在同一块土地上实现粮食和电力的联合生产。本文确定了农业光伏系统比传统的地面光伏设施在农田上的额外成本,并将额外成本与节省的土地数量联系起来,得出了用农业光伏保护农田的成本估计。该分析是基于从项目开发商那里收集的大量数据,作为各种农业光伏和地面光伏系统以及系统规模的成本计算的基础。在农业发电系统下的农业净收益被记入这些系统的成本。农业光伏发电系统的平准化发电成本(LCOE)明显高于地面光伏发电系统。根据农业光伏系统的类型和规模,额外成本从地面光伏系统LCOE的4% %到148 %不等。农业生产通常对所检查的AV系统的整体盈利能力影响不大。当将农业光伏系统的额外成本与节省的农田面积相关联时,对于中型、低安装的农业光伏系统,每年保护一公顷土地的成本在每公顷8000欧元至26,000欧元之间,对于高安装的农业光伏系统,每年保护一公顷土地的成本在每公顷42,000欧元至75,000欧元之间。这是农业生产在节省的土地面积上的潜在净收益的许多倍。鉴于这些发现,德国政府为农业发电提供财政支持的意义必须受到质疑。
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引用次数: 0
Exploring the Kuznets hypothesis in the United Kingdom’s agricultural sector 在英国农业领域探索库兹涅茨假说
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-05-01 Epub Date: 2026-01-29 DOI: 10.1016/j.landusepol.2026.107954
Saul Ngarava
This study examines the relationship between agricultural greenhouse gas (GHG) emissions (nitrous oxide (N₂O) and methane (CH₄)) and sectoral development in the United Kingdom (UK) using an Environmental Kuznets Curve (EKC)–motivated framework. Annual data from 1990 to 2022 were analysed using autoregressive distributed lag error‑correction models (ARDL‑ECM). The analysis incorporated agricultural Gross Value Added (GVA), Total Factor Productivity (TFP), and the Agricultural Trade Balance (ATB). Descriptive trends show that livestock is the dominant source of agricultural GHG emissions and that both N₂O and CH₄ emissions have declined over the study period while agricultural GVA and productivity (TFP) have grown. However, despite visual indications of nonlinear patterns, analysis, including long‑run marginal effects, the Lind–Mehlum (SLM) test, and flexible Generalized Additive Models (GAMs), find no statistical evidence supporting an inverted‑U EKC for either N₂O or CH₄. N₂O emissions remain positively associated with agricultural GVA across the income range, while CH₄ shows weak and statistically uncertain negative income elasticities. Dynamic impulse‑response and variance‑decomposition results further highlight the central role of productivity and technological progress in reducing emissions over time, with TFP emerging as the dominant long‑run driver of N₂O variation and agricultural GVA explaining the largest share of CH₄ forecast variance. Overall, the findings indicate that emissions reductions in UK agriculture have been driven not by autonomous income‑based EKC mechanisms but by structural change, productivity gains, and policy interventions. These results underscore the need for targeted, emission‑specific mitigation strategies rather than reliance on income‑led environmental transitions within the agricultural sector.
本研究使用环境库兹涅茨曲线(EKC)驱动的框架考察了英国农业温室气体(GHG)排放(一氧化二氮(N₂O)和甲烷(CH₄))与部门发展之间的关系。使用自回归分布滞后误差校正模型(ARDL - ECM)分析了1990年至2022年的年度数据。该分析结合了农业总增加值(GVA)、全要素生产率(TFP)和农业贸易差额(ATB)。描述性趋势表明,畜牧业是农业温室气体排放的主要来源,在研究期间,N₂O和CH₄排放量都有所下降,而农业GVA和生产力(TFP)有所增长。然而,尽管非线性模式的视觉迹象,分析,包括长期边际效应,lnd - mehlum (SLM)测试,以及灵活的广义可加模型(GAMs),没有发现统计证据支持倒U型EKC对于N₂O或CH₄。在整个收入范围内,N₂排放量与农业GVA保持正相关,而CH₄表现出微弱的、统计上不确定的负收入弹性。动态脉冲响应和方差分解结果进一步强调了生产力和技术进步在减少排放方面的核心作用,TFP成为主要的长期驱动因素,农业GVA解释了最大份额的nh4预测方差。总体而言,研究结果表明,英国农业的减排不是由自主的基于收入的EKC机制驱动的,而是由结构变化、生产率提高和政策干预驱动的。这些结果强调需要制定有针对性的具体排放缓解战略,而不是依赖农业部门以收入为主导的环境转型。
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引用次数: 0
Co-benefits of major land consolidation projects for sustainable agricultural production and ecosystem protection in China 中国农业可持续生产与生态系统保护重大土地整理项目的协同效益
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-05-01 Epub Date: 2026-02-09 DOI: 10.1016/j.landusepol.2026.107967
Chen Liang , Yang Zhou
Ensuring food security and conserving terrestrial ecosystems are two critical objectives of the United Nations’ 2030 Sustainable Development Goals. China implemented 14 major land consolidation projects (MLCPs) between 2007 and 2013 to support national food security. However, evidence on the socio-economic and ecological impacts of MLCPs remains scarce, especially causal identification based on large-sample sizes. This study develops a nature-based land consolidation (NBLC) analytical framework and evaluates the agricultural and ecological impacts of the MLCPs using a staggered difference-in-differences (DID) model combined with spatial analysis, drawing on high-resolution panel data from Chinese townships spanning 2000–2022. The results reveal that MLCPs foster dual benefits for sustainable agricultural production and ecosystem protection, resulting in a 13.6 % increase in total agricultural output and a 4.2 % rise in per-unit output, along with a 1.6 % increase in NDVI within the project areas. NBLC has alleviated the issues of water scarcity and land degradation in northern regions, fostering sustainable agricultural development there. Through the reclamation of abandoned farmland and the development of high-standard farmland, MLCPs have achieved efficient land resource utilization, resulting in mutually beneficial outcomes for agricultural production and ecological protection. These findings provide evidence-based guidance for sustainable land governance under increasing global farmland pressures.
确保粮食安全和保护陆地生态系统是联合国2030年可持续发展目标的两个关键目标。2007年至2013年间,中国实施了14个重大土地整理项目(mlcp),以支持国家粮食安全。然而,关于mlcp的社会经济和生态影响的证据仍然很少,特别是基于大样本量的因果关系识别。本研究建立了基于自然的土地整理(NBLC)分析框架,并利用2000-2022年中国城镇的高分辨率面板数据,利用交错差中差(DID)模型结合空间分析,评估了mlcp的农业和生态影响。结果表明,mlcp促进了农业可持续生产和生态系统保护的双重效益,使项目区农业总产出增加13.6 %,单位产量增加4.2 %,NDVI增加1.6 %。NBLC缓解了北方地区的缺水和土地退化问题,促进了那里的可持续农业发展。通过废弃地复垦和高标准农田建设,实现了土地资源的高效利用,实现了农业生产和生态保护的互利共赢。这些发现为全球耕地压力日益增加的情况下的可持续土地治理提供了循证指导。
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引用次数: 0
User-centric dimensions of trust and acceptance in blockchain adoption for land administration systems: A systematic literature review 以用户为中心的信任和接受维度在区块链采用土地管理系统:系统的文献综述
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-05-01 Epub Date: 2026-01-19 DOI: 10.1016/j.landusepol.2026.107944
Opeyemi Ajayi , Riekkinen Kirsikka , Oluwafemi Adekola
Blockchain technology has emerged as a disruptive force with the potential to support the securitisation of tenure in land administration systems (LAS). Like in every new and emerging technologies, ‘trust and acceptance’ play significant roles in stakeholders’ intention to either embrace or reject the adoption of blockchain technology in LAS. While previous research on the topic has placed considerable attention on the potential of adopting blockchain for improving LAS, limited attention has been placed on understanding the user-centric dimensions of trust and acceptance. To address this gap, this study conducted a systematic literature review on the user-centric dimensions of trust and acceptance influencing blockchain technology adoption for LAS. The analysis employs two complementary theoretical frameworks: the Multilevel Trust (MLT) framework to categorize trust factors, and the Unified Theory of Acceptance and Use of Technology (UTAUT) to guide the analysis of acceptance factors. The results categorize the key factors influencing stakeholders' trust into three dimensions: trust in technology (data privacy and control, security), trust in administrative processes (traceability and transparency), and trust in institutions (regulation and legal compliance), while performance expectancy, effort expectancy, social influence, and facilitating conditions emerge as the key factors that influence stakeholders’ acceptance. Drawing upon these findings, a conceptual framework was developed to illustrate the interrelationship between the trust and acceptance factors influencing stakeholders’ intention to either embrace or reject the adoption of blockchain for LAS. This research contributes to the literature on emerging technology adoption for LAS, which may help land administration stakeholders take suitable measures to address stakeholder concerns and thereby promote blockchain technology adoption.
区块链技术已成为一股颠覆性力量,具有支持土地管理系统(LAS)权属证券化的潜力。与所有新兴技术一样,“信任和接受”在利益相关者接受或拒绝在LAS中采用区块链技术的意图中发挥着重要作用。虽然先前关于该主题的研究相当重视采用区块链改进LAS的潜力,但对理解以用户为中心的信任和接受方面的关注有限。为了解决这一差距,本研究对以用户为中心的信任和接受维度影响LAS的区块链技术采用进行了系统的文献综述。该分析采用了两个互补的理论框架:对信任因素进行分类的多层信任(MLT)框架和指导接受因素分析的统一接受与技术使用理论(UTAUT)。结果将影响利益相关者信任的关键因素分为三个维度:对技术的信任(数据隐私和控制、安全)、对行政流程的信任(可追溯性和透明度)和对制度的信任(监管和法律合规),而绩效期望、努力期望、社会影响和便利条件则成为影响利益相关者接受度的关键因素。根据这些发现,开发了一个概念框架,以说明信任和接受因素之间的相互关系,影响利益相关者接受或拒绝采用区块链的意愿。本研究为土地管理利益相关者采取适当措施解决利益相关者关注的问题,从而促进土地管理利益相关者采用区块链技术提供了文献依据。
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引用次数: 0
Governing non-grain production of farmland: A differentiated strategy based on grain production loss risk 耕地非粮食生产治理:基于粮食生产损失风险的差异化策略
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-04-01 Epub Date: 2026-01-12 DOI: 10.1016/j.landusepol.2026.107924
Dan Huang , Yanchi Lu , Zhaomin Tong , Bowen Pang , Yaolin Liu , Yanfang Liu
Against the dual backdrop of escalating global grain security risks and deepening urban-rural development transformation, coordinating grain security with increased farmer income has become a critical challenge in land management. The non-grain production of farmland (NGPF) phenomenon epitomizes this contradiction. Current governance approaches primarily focus on managing existing issues and implementing universal policies, lacking proactive prediction and forward-looking warning for potential occurrence zones and the resulting grain security risks. Therefore, this study developed an integrated analytical framework comprising “probability prediction—risk assessment—categorical governance.” Taking Hubei Province as a case study, the research area was divided into three zones based on agricultural functional differences: the urban agriculture zone (UAZ), the major grain-producing zone (MGZ), and the characteristic agricultural products zone (CAPZ), with research conducted separately for each zone. Specifically, this study first predicted the NGPF probability using the Maxent model and analyzed its driving mechanisms. Subsequently, it combined the probability-loss assessment model to quantify the potential risks of NGPF to unit and total grain yields. Finally, for medium-to-high-risk areas, the SOM+k-means clustering method was employed to identify dominant driver bundles and formulate differentiated governance strategies accordingly. The results indicate that NGPF exhibits significant regional heterogeneity: UAZ is primarily driven by irrigation convenience (16.4 %), mechanization level (16.5 %), and aggregation index (14.6 %), exhibiting the highest probability of NGPF conversion; CAPZ is primarily driven by the combined effects of distance from town (13.6 %), proportion of aging agricultural labor force (17.6 %), and percentage of people with contracted management rights (10 %), ranking second in probability; MGZ is jointly driven by mechanization level (27.1 %), percentage of permanent basic farmland (17.6 %), proportion of aging agricultural labor force (12.3 %), and average educational attainment of the rural population (11.7 %), exhibiting the lowest probability. Risk analysis reveals that unit grain yield loss risk follows the pattern of UAZ > MGZ > CAPZ. MGZ, characterized by large farmland sizes and a high multiple crop index, exhibits the most pronounced total grain yield loss risk, with a 30 m raster scale mean of 115.59 kg, followed by UAZ (103.82 kg) and CAPZ (68.55 kg). Based on these findings, the study further subdivided medium-to-high-risk farmland across the three agricultural zones into spatial governance units with clearly dominant risk mechanisms, proposing targeted governance measures. This framework provides support for the forward-looking and differentiated governance of NGPF.
在全球粮食安全风险不断升级和城乡发展转型不断深化的双重背景下,统筹粮食安全与农民增收已成为土地管理面临的严峻挑战。耕地非粮食生产现象就是这一矛盾的缩影。目前的治理方法主要侧重于管理现有问题和实施普遍性政策,缺乏对潜在危险区和由此产生的粮食安全风险的前瞻性预测和预警。因此,本研究发展了一个由“概率预测-风险评估-分类治理”组成的综合分析框架。以湖北省为例,根据农业功能差异将研究区划分为都市农业区(UAZ)、粮食主产区(MGZ)和特色农产品区(CAPZ) 3个区,并对每个区分别进行研究。具体而言,本研究首先利用Maxent模型预测了NGPF的概率,并分析了其驱动机制。随后,结合概率损失评估模型,量化了NGPF对粮食单产和总产量的潜在风险。最后,针对中高风险区域,采用SOM+k-means聚类方法识别优势驱动bundle,并制定差异化治理策略。结果表明:农业生产效率的区域异质性显著:灌溉便利度(16.4 %)、机械化水平(16.5 %)和聚集指数(14.6 %)对农业生产效率的影响最大;CAPZ主要受城镇距离(13.6 %)、农业老龄劳动力比例(17.6 %)、承包经营权比例(10 %)的综合影响,概率居第二位;机械化水平(27.1 %)、永久基本农田比例(17.6 %)、农业劳动力老龄化比例(12.3 %)和农村人口平均受教育程度(11.7 %)共同驱动的概率最低。风险分析表明,单位粮食产量损失风险遵循UAZ >; MGZ >; CAPZ模式。MGZ耕地面积大,复种指数高,其粮食总产量损失风险最显著,30 m栅格尺度均值为115.59 kg,其次是UAZ(103.82 kg)和CAPZ(68.55 kg)。在此基础上,进一步将三区中高风险农田划分为风险机制优势明显的空间治理单元,并提出针对性治理措施。该框架为NGPF的前瞻性和差异化治理提供支持。
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引用次数: 0
How does land transfer intervention promote farmers’ land investment? Evidence from China 土地流转干预如何促进农民土地投资?来自中国的证据
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-04-01 Epub Date: 2026-01-10 DOI: 10.1016/j.landusepol.2026.107918
Zhiqiang Cheng, Jinyang Cai
Land investment plays a critical role in sustainable land use and agricultural development, but little is known about how to effectively promote land investment. Using data from the China Household Finance Survey, this study explores how land transfer interventions stimulate farmers’ land investment. This study finds that land transfer interventions significantly enhance investment in leased land. The main reason for this is that interventions have increased the level of formalization of land transfers, including payment of rental, cash transactions, and defined lease durations. Meanwhile, interventions extended the duration of land leases and enlarged the areas leased. Moreover, interventions during the negotiation and pricing stages, supervisory stages, and governmental involvement exert the most pronounced influence on land investment. Finally, this study also finds that interventions increase household expenditures on fertilizers, pesticides, and seeds except for leased land. The findings above offer valuable insights for policymakers aiming to refine land institutions and promote land investments.
土地投资在土地可持续利用和农业发展中起着至关重要的作用,但如何有效促进土地投资却鲜为人知。利用中国家庭金融调查的数据,本研究探讨了土地流转干预如何刺激农民的土地投资。研究发现,土地出让干预措施显著提高了租赁土地的投资。造成这种情况的主要原因是,干预措施提高了土地转让的正规化程度,包括支付租金、现金交易和确定租期。同时,干预措施延长了土地租赁期限,扩大了租赁面积。此外,谈判与定价阶段的干预、监管阶段的干预和政府参与对土地投资的影响最为显著。最后,本研究还发现,除了租赁土地外,干预措施增加了家庭在化肥、农药和种子方面的支出。上述发现为旨在完善土地制度和促进土地投资的政策制定者提供了有价值的见解。
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引用次数: 0
Environmental performance and urban land competitiveness: Insights from mega sport event bidding outcomes 环境绩效与城市土地竞争力:来自大型体育赛事竞标结果的洞察
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-04-01 Epub Date: 2026-01-08 DOI: 10.1016/j.landusepol.2026.107921
Xiaoan Wang , Lei Hu , Jingyi Wang , Zhibo Zhang
Mega sport event bidding increasingly requires strong environmental credentials, sustainability governance, and urban competitiveness. This study investigates 70 Olympic and FIFA World Cup bids from 1998 to 2020, using 15 environmental indicators spanning air, water, vegetation, and waste domains. Applying logistic regression, Random Forest, and XGBoost models, we identify key environmental determinants and employ SHAP analysis for interpretability. Results show that air quality is the most decisive signal, followed by water, vegetation, and waste management has gained importance since London 2012. Ante-event performance carries the greatest weight, and Olympic bids emphasize broad, legacy-oriented plans, whereas FIFA bids focus more on localized air pollution and sanitation. Host countries generally outperformed unsuccessful bidders in post-event indicators, confirming the value of credible pre-bid commitments. The findings underscore that environmental performance is now critical to event governance and provide actionable guidance for countries to integrate sustainability into bidding strategies and urban development.
大型体育赛事的竞标越来越需要强有力的环保资质、可持续治理和城市竞争力。本研究调查了从1998年到2020年的70个奥运会和国际足联世界杯的申办,使用了15个环境指标,涵盖空气、水、植被和废物领域。应用逻辑回归、随机森林和XGBoost模型,我们确定了关键的环境决定因素,并采用SHAP分析来解释可解释性。结果显示,自2012年伦敦奥运会以来,空气质量是最具决定性的信号,其次是水、植被和废物管理。赛前表现是最重要的,奥运会申办强调广泛的、以遗产为导向的计划,而国际足联的申办则更关注局部的空气污染和卫生。东道国在事后指标上的表现通常优于未中标的投标人,这证实了可信的投标前承诺的价值。研究结果强调,环境绩效现在对赛事治理至关重要,并为各国将可持续性纳入申办战略和城市发展提供了可行指导。
{"title":"Environmental performance and urban land competitiveness: Insights from mega sport event bidding outcomes","authors":"Xiaoan Wang ,&nbsp;Lei Hu ,&nbsp;Jingyi Wang ,&nbsp;Zhibo Zhang","doi":"10.1016/j.landusepol.2026.107921","DOIUrl":"10.1016/j.landusepol.2026.107921","url":null,"abstract":"<div><div>Mega sport event bidding increasingly requires strong environmental credentials, sustainability governance, and urban competitiveness. This study investigates 70 Olympic and FIFA World Cup bids from 1998 to 2020, using 15 environmental indicators spanning air, water, vegetation, and waste domains. Applying logistic regression, Random Forest, and XGBoost models, we identify key environmental determinants and employ SHAP analysis for interpretability. Results show that air quality is the most decisive signal, followed by water, vegetation, and waste management has gained importance since London 2012. Ante-event performance carries the greatest weight, and Olympic bids emphasize broad, legacy-oriented plans, whereas FIFA bids focus more on localized air pollution and sanitation. Host countries generally outperformed unsuccessful bidders in post-event indicators, confirming the value of credible pre-bid commitments. The findings underscore that environmental performance is now critical to event governance and provide actionable guidance for countries to integrate sustainability into bidding strategies and urban development.</div></div>","PeriodicalId":17933,"journal":{"name":"Land Use Policy","volume":"163 ","pages":"Article 107921"},"PeriodicalIF":5.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145929199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"社会学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristics and key drivers of virtual urban land flows in China 中国城市虚拟土地流动特征及驱动因素
IF 5.9 1区 社会学 Q1 ENVIRONMENTAL STUDIES Pub Date : 2026-04-01 Epub Date: 2026-01-09 DOI: 10.1016/j.landusepol.2026.107923
Haimeng Liu , Jieyang Xiong , Tao Song
Understanding virtual urban land flows is crucial for assessing the environmental impacts of urbanization (SDG 11), optimizing land resource use (SDG 12), and addressing regional inequalities (SDG 10). This study employs an environmentally extended multi-regional input–output model to quantify interprovincial virtual urban land flows in China for 2007, 2012, and 2017, links them to actual urban built-up land to reveal the urban human-nature relationship. Social network analysis is used to reveal the overall spatial structure of flow networks and identify critical provinces, while Poisson pseudo-maximum likelihood estimation is applied to explore key drivers. The results show that virtual urban land embedded in interprovincial trade has become a structurally important component of China’s urbanization, with flows expanding rapidly and accounting for about 30 % of national urban built-up land. On average, 46.58 % of provinces’ urban land demand is met by other provinces. Flows are predominantly domestic and spatially uneven, with net transfers from eastern and northeastern provinces to central and western regions, where virtual land consumption in many cases exceeds local built-up land. The virtual land network has become denser and more interconnected over time, yet clear east–west and north–south gradients in centrality persist. Economic development, urban population density, migration, and fiscal capacity promote virtual land flows, whereas technological innovation reduces them, and spatial distance plays a relatively weak role. This study sheds new light on the telecoupled dynamics linking regional trade and urban expansion. The methodological framework is readily transferable to other countries and regions, and the findings offer practical guidance for policymakers seeking to optimize regional urbanization, industrial layout, and urban land management in China.
了解虚拟城市土地流动对于评估城市化的环境影响(可持续发展目标11)、优化土地资源利用(可持续发展目标12)和解决区域不平等(可持续发展目标10)至关重要。本研究采用环境扩展的多区域投入产出模型,对2007年、2012年和2017年中国省际虚拟城市土地流动进行量化,并将其与实际城市建设用地联系起来,揭示城市人与自然的关系。利用社会网络分析揭示流动网络的整体空间结构,识别关键省份,利用泊松拟极大似然估计挖掘关键驱动因素。结果表明,嵌入省际贸易的虚拟城市用地已成为中国城市化的重要结构组成部分,其流量迅速扩大,约占全国城市建设用地的30% %。平均46.58 %的省份城市土地需求由外省满足。流动主要是国内的,而且在空间上是不平衡的,从东部和东北部省份向中部和西部地区的净转移,在许多情况下,这些地区的实际土地消耗超过了当地的建筑用地。随着时间的推移,虚拟土地网络变得更加密集和相互联系,但明显的东西和南北梯度的中心性仍然存在。经济发展、城市人口密度、移民和财政能力对虚拟土地流动有促进作用,技术创新对虚拟土地流动有抑制作用,空间距离对虚拟土地流动的影响相对较弱。这项研究揭示了区域贸易和城市扩张之间的耦合动态关系。该方法框架易于推广到其他国家和地区,研究结果为中国寻求优化区域城市化、产业布局和城市土地管理的政策制定者提供了实用指导。
{"title":"Characteristics and key drivers of virtual urban land flows in China","authors":"Haimeng Liu ,&nbsp;Jieyang Xiong ,&nbsp;Tao Song","doi":"10.1016/j.landusepol.2026.107923","DOIUrl":"10.1016/j.landusepol.2026.107923","url":null,"abstract":"<div><div>Understanding virtual urban land flows is crucial for assessing the environmental impacts of urbanization (SDG 11), optimizing land resource use (SDG 12), and addressing regional inequalities (SDG 10). This study employs an environmentally extended multi-regional input–output model to quantify interprovincial virtual urban land flows in China for 2007, 2012, and 2017, links them to actual urban built-up land to reveal the urban human-nature relationship. Social network analysis is used to reveal the overall spatial structure of flow networks and identify critical provinces, while Poisson pseudo-maximum likelihood estimation is applied to explore key drivers. The results show that virtual urban land embedded in interprovincial trade has become a structurally important component of China’s urbanization, with flows expanding rapidly and accounting for about 30 % of national urban built-up land. On average, 46.58 % of provinces’ urban land demand is met by other provinces. Flows are predominantly domestic and spatially uneven, with net transfers from eastern and northeastern provinces to central and western regions, where virtual land consumption in many cases exceeds local built-up land. The virtual land network has become denser and more interconnected over time, yet clear east–west and north–south gradients in centrality persist. Economic development, urban population density, migration, and fiscal capacity promote virtual land flows, whereas technological innovation reduces them, and spatial distance plays a relatively weak role. This study sheds new light on the telecoupled dynamics linking regional trade and urban expansion. The methodological framework is readily transferable to other countries and regions, and the findings offer practical guidance for policymakers seeking to optimize regional urbanization, industrial layout, and urban land management in China.</div></div>","PeriodicalId":17933,"journal":{"name":"Land Use Policy","volume":"163 ","pages":"Article 107923"},"PeriodicalIF":5.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145929197","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"社会学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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Land Use Policy
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