جستجوی مقالات مرتبط با کلیدواژه « hierarchical system » در نشریات گروه « جغرافیا »

Analysis of the urban system of the south-east of the country is necessary because of the strategic importance of this region and with the aim of recognizing and providing a platform for balanced development, appropriate distribution of population and utilization of environmental capabilities. Therefore, recognizing the environmental, social and economical potentialities and capabilities of the cities of over 10,000 people in three provinces in southeastern Iran (Kerman, Sistan and Baluchestan and Hormozgan) with a regional development approach, is in line with the development of a balanced development of the reasons for writing this research. In fact, the purpose of the present research is to initially investigate the urban system of the southeastern parts of the country, and then, according to assessments of the current status of the urban hierarchy system, its impact on the future of regional development indicators. The results showed that urban hierarchy imbalance is one of the main characteristics of the urban system in the southeastern region, which has resulted in the lack of necessary small infrastructures and small towns. Also, the results of the futuristic model showed. Considering the importance of demographic indicators and their impact on the future of regional development indicators and the involvement of multiple elements, it is clear that the variables of urban management practices (36) and development status Human Indicators (35) have the highest calculated column value, respectively. In other words, the most important feature of these variables is low impact and high impact, and they are referred to as strategic factors, whose reinforcement boosts development in this region and has a positive impact on the economic, social and environmental dimensions.

Weekly cyclical markets traditionally existed in various towns and cities, were known as one of the main characteristics of cities. In recent decades, these markets -as one of the emerging phenomena in social & economic geography- have been rapidly extended to rural areas. Regarding the importance of these markets in the life of rural setellers, not only our perceptions of their evolutions, and relationships with surrounding rural stricts, but also their compatibility potencial with upper-hand regions. So, the goal of our research is knowing and analyzing the rural cyclical markets in Aq Qala county, considering their locating compliance level with rural settlements hierarchical system. This research, has a developmental and applicational goal _and in terms of the methodology, is an exploratory, descriptive-analytic research. Data and information gathering was done according to documentary-field methods. In this regard, the main instrument of the study, was a researcher-made questionnaire, that given the state of our statistics population, consisted of two groups (buyers-sellers), finally 342 questionnaires were completed. To analyze the gathered information and data, we benefited descriptive and inferential statistics (Chi-square test, Mann-Whitney tests). According to the results of this study, based on different models (the shortest distance, population and weightening the services), those rural weekly markets, having been set up at the center of rural areas, have been more compatible with rural Centers and systems; and considering the government's attention and the existing population, enjoy a vaster performance radius. On the other hand, markets having been formed in ordinary villages, and in compliance with rural centers, show a weaker performance, due to less population.

Not only lacking of attention to urban hierarchical system and city center distribution fashion in a region but also the rapid growth of urban settlements cause to lead issues such as immoderation and fragment in cities spatial structure; incorrect political and economic decisions and immethodical planning that provoke this study. This research is based on the evaluation of Lorestan Province's urban hierarchy. The data of this descriptive-analytical research is collected via library-documentary. Prevalent urban and region planning models such as class conflict limit; the nearest neighborhood analysis and the entropy index have been used to analyze the data. Research result indicates that Lorestan Province's urban hierarchy tends to become moderate (2.15) by considering the nearest neighborhood parameter. The entropy index tended to 1 based on normal status in most analyzed periods. Therefore, the space distribution in Lorestan Province's urban areas has been moderated through this study based on results of two models which is mentioned earlier. Regarding class conflict solution model, population distribution in Lorestan Province's urban areas has been fragmented and immoderate from 1956 to 2011.As a matter of fact, Khoramabad City, as a political, business and economic center; and Borujerd City, being a historical background, natural position, and industries growth in this city, have attracted the most population in comparison with the other cities. At last, this study suggests a couple of guidelines to improve hierarchical system.