نتایج جستجو برای: historic cities contain an old urban structure
تعداد نتایج: 6837747 فیلتر نتایج به سال:
1. By the end of this decade, the majority of people will live in cities and suburban areas. Urban areas, including suburbs and exurbs, are expanding rapidly worldwide. 2. Plant ecology has largely ignored cities, or has primarily focused on the discrete urban green spaces within cities. 3. Plant ecology is increasingly engaging urban ecosystems as integrated natural-human systems, in which hum...
Background and objective: The spatial structure of cities depends on the different and mutual relationships of all forces and factors in the city. These factors include market forces, activities, urban infrastructures and various services, which always have a complex and reciprocal relationship. In today's world, one of the basic challenges in cities is to create a balanced spatial structure th...
With the arrival of Shah Ismail I (1513-1551 A.D) to Tabriz and his coronation at Sahib-Abad government house, the Safavid dynasty was established in 907 AH / 1502 AD. The city of Tabriz, as the first capital of the Safavids, has had an elaborate spatial organization since the Turkmen period (Qaraqvinlu and Aghqvinlu). What impressed the nature of such a structure was how the old city center wa...
The scientific heritage of M. R. G. Conzen, who is considered one of the most outstanding historical geographers and urban morphologists in the world, has made a huge impact on the contemporary urban historic morphology. Nowadays it would be very hard to imagine this scientific discipline without his achievements. He created a new point of view on the city, first within the Anglo-Saxon, and aft...
Using bird survey data taken in three cities in Southern Chile, we evaluated the hypothesis that changes in community composition from periurban to urban areas are not random. Furthermore, the consistency of species and guild loss was assessed across cities. A consistent pattern of difference in community and guild structure between urban and periurban habitats was found. In addition, a nonrand...
Detailed studies on the spatiotemporal patterns of urban agglomeration in the Middle Yangtze River Basin (MYRB) are rare. This paper analyzed the spatiotemporal patterns of urbanization in the MYRB using multi-temporal remote sensing data circa 2000, 2008 and 2016 integrated with geographic information system (GIS) techniques and landscape analysis approaches. A multi-level analysis of the rate...
The Chinese government announced new economic reform policies in December of 1978. The announcement included an urban distribution policy that emphasized small cities and towns for rural urbanization as a means to achieve modernization in China. This distribution policy called for limited development in large metropolitan areas, selective development of only a few medium-sized cities, and more ...
Urban Ecosystem Science is now an established science, arising along side the historic shift of humans to becoming in majority urban dwellers. In this Perspective I suggest there is a need to develop a new framework for UES as embedded in distinct urban biomes that can be classified by city-type and typologized. UES are largely the artifact of human decision making from what to plant where, to ...
Designing and optimizing traffic behavior and animation is a challenging problem of interest to virtual environment content generation and to urban planning and design. While some traffic simulation methods have appeared in computer graphics, most related systems focus on the design of buildings, roads, or cities but without explicitly considering urban traffic. To our knowledge, our work provi...
Heterogeneity between urban structure and the requirements of the population has given way to cultural and social problems which are sometimes insurmountable in a way that the range of social, economic, and cultural changes has extended to political domains. The absence of a management and planning system and of a democratic supervision, in a centralized one-way approach, affects planning and s...
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