نتایج جستجو برای: urban natural landscape

تعداد نتایج: 702175  

2017
Javier Delso Belén Martín Emilio Ortega Isabel Otero

From a mobility perspective, walking is considered to be the most sustainable transport mode. One of the consequences of motor-oriented urban configuration on pedestrian mobility is urban fragmentation, which affects sustainability in cities. In this paper, we use a natural-based approach to landscape fragmentation and connectivity (inherited from landscape ecology) for pedestrian mobility plan...

Journal: :مرتع و آبخیزداری 0
علی اکبر نظری سامانی استادیار دانشکده منابع طبیعی، دانشگاه تهران حسام هروی کارشناس ارشد آبخیزداری، دانشکده منابع طبیعی، دانشگاه تهران مهدی پناهی استادیار گروه مهندسی آب، دانشگاه زنجان مسعود جعفری شلمزاری دانشجوی دکتری بیابان زدایی دانشگاه علوم کشاورزی و منابع طبیعی گرگان

natural landscape alternation is a problem that has been under debate for a long time. landutilization techniques like agriculture, forest and rangelands, residential and urban are amonginfluential criteria affecting erosion severity and sediment yield in a given region. in this respect,land management is a promising option to mitigate it. thus, acquaintance with quantitative soilerosion owing ...

2014
Miao Liu Yanyan Xu Yuanman Hu Chunlin Li Fengyun Sun Tan Chen

Analyzing spatiotemporal characteristics of the historical urbanization process is essential in understanding the dynamics of urbanization and scientifically planned urban development. Based on historical urban area maps and remote sensing images, this study examined the urban expansion of Shenyang from 1910 to 2010 using area statistics, typology identification, and landscape metrics approache...

2016
Hai Yan Shuxin Fan Chenxiao Guo Fan Wu Nan Zhang Li Dong

Understanding the causes of the intra-urban air temperature variability is a first step in improving urban landscape design to ameliorate urban thermal environment. Here we investigated the spatial and temporal variations of air temperature at a local scale in Beijing, and their relationships with three categories of landscape design parameters, including the land cover features, site geometry,...

2008
Jianguo Wu

Urban sustainability is one of the most pressing and challenging tasks facing humanity today because cities are the primary sources of major environmental problems, the centers of economic and social developments, and home to more than half of the world population. While the ecological, economic, and social dimensions of sustainability are equally important in principle, the ecology of cities i...

2001
Marina Alberti John Marzluff

The interactions between urban development and ecological processes are extraordinarily complex. Urban development evolves over time and space as the outcome of microscopic interactions of individual choices and actions taken by multiple agents. These decisions affect ecosystem structures and functions through the conversion of land, fragmentation of natural habitat use, disruption of hydrologi...

2008
Jingnan Huang Jinting Zhang X. X. Lu

This research simulates the urban growth and therefore the landscape change of a mountain city of Chongqing, China through a Cellular Automata (CA) based model of SLEUTH. The fundamental data were four Landsat TM images of 1978, 1988, 1993, and 2001 which were utilized for generating maps of land use, road networks, and urbanized area. Three alternative development scenarios, including business...

Journal: :Ecology letters 2015
Joscha Beninde Michael Veith Axel Hochkirch

Understanding varying levels of biodiversity within cities is pivotal to protect it in the face of global urbanisation. In the early stages of urban ecology studies on intra-urban biodiversity focused on the urban-rural gradient, representing a broad generalisation of features of the urban landscape. Increasingly, studies classify the urban landscape in more detail, quantifying separately the e...

2016
SULOCHANA SHEKHAR

Due to dramatic increase in urban population and allied urban problems it is essential to have urban planning and management at local level. For this urban planners and decision-makers need efficient tools to quantify, evaluate and compare the impact of alternative plans and designs so that more informed choices can be made. Gulbarga one of the developing city of Karnataka, it is important to k...

2016
Yousef Sakieh Abdolrassoul Salmanmahiny

This study seeks to benefit from a medical science-based implication for urban and landscape planning in the Gorgan Township area, a highly developing region in northeastern Iran. Based on growth stages and patterns of a malignant cancer tumor inside a human's body, a sustainable, realistic and practical urban growth pattern is introduced applying land suitability analysis, SLEUTH urban growth ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید