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The impacts of shared e-scooters on modal shifts have received increased attention in recent years. This study provides a review of the literature for modal shifts in the US and other countries. The profile of shared e-scooter users is rather similar to that of station-based and free-floating bikeshare programs. The empirical data reveal that people use shared e-scooters in place of cars at substantial rates, especially in many US cities, which suggests that in many locations shared e-scooters may be a good strategy for reducing car dependence. The use of shared e-scooters as a complement to public transit varies highly by city, highlighting how technology, regulations, and incentives may be needed in some cities to ensure modal integration and harvest the potential societal benefits from the introduction of shared e-scooters.
Promoting alternative travel modes to private cars is a crucial aspect of sustainable transport policies. The integration of different transport modes and services, facilitated by mobile apps and payment systems, has expanded travel options and fostered multimodal travel behaviour. Despite the increasing prevalence of multimodal transport in practice, there exists a shortage of systematic academic research on this subject. This paper seeks to fill this gap by presenting an overview of key themes related to multimodality in travel behaviour, providing valuable insights for both researchers and practitioners. Leveraging an in-depth analysis of 182 relevant papers extracted from the Web of Science database, this paper intricately formulates a comprehensive conceptual framework that delves into the definition and measurement of multimodality. Furthermore, it synthesises recent perspectives and insights pertaining to the factors shaping multimodality and its socio-environmental impacts. The paper suggests several potential research directions in multimodality, including a focus on the supportive environment for multimodal behaviour (termed multimodal-oriented development, MMOD), an examination of the socio-environmental effects of multimodality and MMOD, and an investigation of regional variations in knowledge and practices related to multimodality. By exploring these research avenues, this paper aims to advance our understanding of multimodal travel behaviour and contribute to the development of effective strategies and policies promoting sustainable transportation systems.
当前,我国哲学社会科学学科体系不断健全,研究队伍不断壮大,研究水平和创新能力不断提高。作为开展学术研究交流的重要平台,传播思想文化的重要阵地,促进理论创新的重要力量,哲学社会科学学术期刊在繁荣发展哲学社会科学中将发挥更大作用。但是,从当前发展现状来看,以核心期刊为基础的学术期刊评价体系,越来越难以满足我国哲学社会科学发展的要求。
作者(出生年—),性别,民族,籍贯,学历,职称。研究方向:。
(3)功能分析显示,参与糖苷和皂苷的合成的基因在果针尖端的表皮中富集,用以保护果针尖端的胚珠不受地下害虫的侵害;而感知环境信号的基因在果针中后部表皮中富集,给予其能够感知土壤刺激并在地下启动胚胎和果实发育的特点。
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