scholarly journals Urban expansion and neighbourhood commuting patterns in the Beijing metropolitan region: A multilevel analysis

Urban Studies ◽  
2019 ◽  
Vol 57 (13) ◽  
pp. 2773-2793
Author(s):  
Cecilia Wong ◽  
Wei Zheng ◽  
Miao Qiao

This study adopts a spatial perspective to analyse the complex commuting patterns of the Beijing metropolitan region. By combining measures of the built environment, neighbourhood characteristics and development time periods, a four-fold neighbourhood classification was derived by cluster analysis to reflect different urbanisation contexts. Commuting flows were mapped to illustrate the spatial mismatch of home–work locations during the rampant urbanisation process. The novel use of a multilevel modelling approach shows how individual socio-economic attributes and neighbourhood factors, and their interactive effects, explain the varied commuting patterns. The cross-level interactions of variables highlight the predominant influence of individual attributes, which also interact with locational conditions of neighbourhood with differential explanatory power, on commuting patterns.

REGION ◽  
2020 ◽  
Vol 7 (1) ◽  
pp. 49-70
Author(s):  
Liv Osland ◽  
Arnstein Gjestland ◽  
Inge Thorsen

It is well known that measures of labour market accessibility explains spatial variation in housing prices even in markets with polycentric labour market structures. This paper examines whether data on observed commuting patterns can replace or supplement gravity-based measures representing the commuting potential at specific locations. We use data from a region in Western Norway,and we find that measures based on observed commuting flows and commuting time cannot replace a gravity-based measure of labour market accessibility. Based on, inter alia, the spatial Durbin estimator we find that measures of observed commuting flows increase the explanatory power of a hedonic house price model.


Author(s):  
Marc Rhainds ◽  
Ian DeMerchant ◽  
Pierre Therrien

Abstract Spruce budworm, Choristoneura fumiferana Clem. (Lepidoptera: Tortricidae), is the most severe defoliator of Pinaceae in Nearctic boreal forests. Three tools widely used to guide large-scale management decisions (year-to-year defoliation maps; density of overwintering second instars [L2]; number of males at pheromone traps) were integrated to derive pheromone-based thresholds corresponding to specific intergenerational transitions in larval densities (L2i → L2i+1), taking into account the novel finding that threshold estimates decline with distance to defoliated forest stands (DIST). Estimates of thresholds were highly variable between years, both numerically and in terms of interactive effects of L2i and DIST, which limit their heuristic value. In the context of early intervention strategy (L2i+1 > 6.5 individuals per branch), however, thresholds fluctuated within relatively narrow intervals across wide ranges of L2i and DIST, and values of 40–200 males per trap may thus be used as general guideline.


2012 ◽  
Vol 44 (8) ◽  
pp. 1057-1066 ◽  
Author(s):  
Dominique Anxo ◽  
Shakir Hussain ◽  
Ghazi Shukur

2007 ◽  
Vol 31 (4) ◽  
pp. 169-177
Author(s):  
Jurgis Vanagas

The paper is devoted to the analysis of the main con- temporaty notions of metropolization in the doctrine of the EU, its development, pluses and minuses and to the consideration of the present processes taking place in this respect in modern- day Lithuania. In the beginning the author widely points to the main terms, such as metropolis, region metropolitan region, and shortly reviews the history of the EU, its territory planning principles. He reveals the early roots of these conceptions found in the works of utopian thinkers – Sir Thomas More, Robert Owen – productively continued in the territory planning blueprints of the19th century accomplished by A. Soria у Mata and E. Howard. An important stage of modern regional planning, paving the way to the later EU steps in this sphere, were wide-scale planning projects of the early decades of the 20th century and especially post-war regional programmes like Great London development. All these achievements of the past in regional planning enabled to arrive at an idea of uniting efforts on a European scale which took place in 1970 and to proclaim the Europe’s Regional Planning Chart seventeen years later. The prominent Maastricht Treaty signed in 1992 finally balanced the interests of the whole Europe and laid down the fundamentals of its “common home”. The regional situation in Lithuania, as in all the new EU member states, is rather multipartite. Its greatest drawback is lack of its own representative in the highest echelon of the Baltic Sea Region urban categories – in the composition of cities officially included into the list of the so-called european Cities. This status provides the most prestigious situation and evident advantages in the international urban network as well as in the intercon- nectional relations and cooperation of the largest metropolies. Eventually the grade of euro City presents as if an important “gate” to the wide field of various beneficial actions overgrowing national borders. The author reports his position towards Lithuania’s abilities “to delegate” its representative to the top of the BSR city hierarchy. According to the arguments given in the paper, an exclusive chance to achieve this international appreciation is through employing a unique and unprecedented situation of the country, namely, existence of the twin cities of Vilnius and Kaunas, similarity of their size and typological feature, their close many-sided cooperation, distinction by intensive oncoming commuting flows and so on. Studies of labour market show that in this spontaneous urban belt a qualitatively new model of “job-residing” location comes into being: to settle in one city and to work in the other one. Together with improving communication between these cities and mounting traffic rate, this process will certainly flourish. By a reasonable regulation and stimulation of these spontaneous processes, a great combined metropolitan unit (“dipolis”) containing Vilnius and Kaunas can be formed. Inexorable processes of globalization definitively stimulate necessity to shake-up local and national economies, to revise essentially inveterate principles of territory planning. Processes taking place globally within the last decades show unceasing trends to join cities, towns and townships network into united polycentral or bipolar systems along the main communication channels. A model of concentrated location of urban units (as the opposite to their geographically dispersed, gradually developed network suggested by W.Christaller) seems to be more rational and advantageous in numerous aspects. Therefore, resuming all these considerations, a new essential question arrises: is the idea of sustainable development formulated in 1987 by Gro Harlem Brundtland the only and undisputed alternative in territorial development? Metropolizacijos procesai ES teritorinio planavimo doktrinoje ir Lietuva Santrauka Peržvelgiama Europos Sąjungos sukūrimo chronologija, jos teritorinio planavimo doktrinos ištakos, pagrindiniai Europos „bendrųjų namų“ pamatus padėjusios Mastrichto sutarties teiginiai. Atskleidžiamos šiuolaikinių globalizacijos procesų stimuliuojamų didelių metropolinių regionų formavimosi procesų priežastys. Pritariama vis dažniau pasigirstančioms abejonėms, ar kelis dešimtmečius vyravusios darniosios plėtros samprata teritorinio planavimo procese yra vienintelė ir nenuginčijama alternatyva. Šiuo požiūriu Baltijos jūros regiono ir nusistovėjusių teritorinių struktūrinių vienetų (NUTS ) kontekste Lietuva stoko ja ryškaus urbanistinio centro, galinčio pretenduoti į oficialiai pripažintų European City rango miestų sąrašą. Vienintelė galimybė tokiam metropoliniam centrui sukurti – tai Lietuvos Respublikos teritorijos bendrajame plane numatytas Vilniaus ir Kauno potencialų sujungimas.


2012 ◽  
Vol 43 (3) ◽  
pp. 601-628 ◽  
Author(s):  
Nils Ringe ◽  
Jennifer Nicoll Victor ◽  
Justin H. Gross

The authors contribute to the existing literature on the determinants of legislative voting by offering a social network-based theory about the ways that legislators’ social relationships affect floor voting behaviour. It is argued that legislators establish contacts with both political friends and enemies, and that they use the information they receive from these contacts to increase their confidence in their own policy positions. Social contacts between political allies have greater value the more the two alliesagreeon policy issues, while social contacts between political adversaries have greater value the more the two adversariesdisagreeon policy issues. To test these propositions, we use social network analysis tools and demonstrate how to account for network dependence using a multilevel modelling approach.


2021 ◽  
pp. 0308518X2110688
Author(s):  
Yujie Hu

The spatial dimension of the journey-to-work has important implications for land use and development policymaking and has been widely studied. One thrust of this research is concerned with the disaggregation of workers into subgroups for understanding disparities in commute. Most of these studies, however, were limited to the disaggregation by single socioeconomic class. Hence, this research aims to examine commuting disparities across commuter subgroups stratified by two socioeconomic variables—income and race—using a visual analytics approach. By applying the doubly constrained spatial interaction model to the 2014 Longitudinal Employer-Household Dynamics data, this research first synthesizes commuting flows for Downtown Houston workers across income-race subgroups at the tract level in Harris County, Texas, USA. It then uses bivariate choropleth mapping to visualize the spatial distributions of major Downtown Houston commuter neighborhoods by income-race classes, and significant commuting disparities are identified across income-race subgroups. The results highlight the importance of considering income and race simultaneously for commuting research. The visualization could help policymakers clearly identify the unequal commute across worker subgroups and inform policymaking.


2018 ◽  
Vol 9 (1) ◽  
pp. 78
Author(s):  
Luca Salvati ◽  
Silvia Pili

In wealthiest countries, urban sprawl and peri-urban agricultural landscapes are strictly interconnected issues, with dispersed urban expansion causing inherent land-use conflicts. Interpreting latent socioeconomic processes at the base of peri-urban agriculture in southern Europe may benefit from a thorough analysis of metropolitan dynamics of growth and change, considering together morphological and functional issues. The approach proposed in this study is intended to provide an overview of new strategies for food production in highly fragmented landscapes, investigating the point of view of local actors operating in the primary sector. A preliminary survey carried out in the Athens' metropolitan region, Greece, provides a knowledge base to identify apparent and latent trends in peri-urban farming and the mutual implications for farmers and citizens.


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