نتایج جستجو برای: ecological city

تعداد نتایج: 252354  

سلگی, عیسی, یاراحمدی, فائزه,

  Background and Aim : Contamination of the surface soils of the urban ecosystem with heavy metals poses potential ecological risks. In this research, a preliminary investigation was carried out to evaluate the potential ecological risk of cadmium and lead contamination in urban park soils in Assadabed City, Iran.   Materials and Methods : Soil samples were taken from the urban parks of Asad...

Journal: :international journal of environmental research 0
r. strohschön department of engineering geology and hydrogeology, rwth aachen university, aachen, germany k. wiethoff institute of landscape architecture, rwth aachen university, aachen, germany k. baier department of engineering geology and hydrogeology, rwth aachen university, aachen, germany a.l. bercht chair of human geography, university of kiel, kiel, germany a.l. bercht chair of human geography, university of kiel, kiel, germany r. wehrhahn chair of human geography, university of kiel, kiel, germany r. azzam

this interdisciplinary paper aims at guangzhou’s development and its effects on surface andgroundwater quality taking the new city axis as an example. qualitative morphological analyses, field mappings, interviews and water sampling of standard in-situ and various hydrochemical parameters were conducted between 2007 and 2009 in order to examine the following research questions: which types of l...

Hossein Rahimi

There are many trends in making an ecological city all around the word, one of important cases in this approach is safe and health water. According by definitions, safe and potable water is water needed for conducting the activities of man. Potable water is the most important renewable sources and this resource plays important role for survival of most living organisms as well as man based on s...

2016
Xiaowei Yao Zhanqi Wang Hongwei Zhang

Humans’ demands for biological resources and energies have always been increasing, whereas evidence has shown that this demand is outpacing the regenerative and absorptive capacity of the planet. Since China is experiencing unprecedented urbanization and industrialization processes, how much impact this has imposed on the earth during economic development worldwide is conspicuous. Therefore, th...

Journal: :Sustainable Development 2015

Hossein Rahimi

There are many trends in making an ecological city all around the word, one of important cases in this approach is safe and health water. According by definitions, safe and potable water is water needed for conducting the activities of man. Potable water is the most important renewable sources and this resource plays important role for survival of most living organisms as well as man based on s...

2011
Jing Zhang Ke Wang Xinming Chen Wenjuan Zhu

Sustainable ecological and environmental development is the basis of regional development. The sensitivity classification of the ecological environment is the premise of its spatial distribution for land use planning. In this paper, a fuzzy matter-element model and factor-overlay method were employed to analyze the ecological sensitivity in Yicheng City. Four ecological indicators, including so...

2010
Xiaoxia Shi Yaoli Zhang Cheng Peng

This study revealed the influence of city expansion on the agroecological risks through the analysis and prediction of city expansion in different periods and study on the change of risk and pressure on the regional agricultural eco-environment. The city expansion of Selangor, Malaysia (as a case) was predicted based on relevant spatial and attribute data as well as simulation prediction models...

2015
Yusi Teng Weili Xia

This paper attempts to establish an evaluating index system of land comprehensive carrying capacity in Xi'an city involving three aspects, such as economic carrying capacity, social carrying capacity, and ecological carrying capacity, combined with the development goals and constraint factors of Xi'an city. Furthermore, we adopted the method of mean-squared deviation weight decision to evaluate...

2009
Weize Yang Zhijun Han

Ecological industry, resource guarantee, environment ecological safety and ecological control are key parts which should be emphasized in the construction of livable eco-city. To more visual and lively express this idea, we endow every key part bright color and put forward the five-color harmony and resonance theory of livable ecosystem construction based on that.

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