نتایج جستجو برای: per capita arable land
تعداد نتایج: 549468 فیلتر نتایج به سال:
Flooding is a natural disturbance affecting crop and forage production worldwide due to the detrimental effects that it provokes on most terrestrial plants (Bailey-Serres & Voesenek, 2008; Colmer & Vosenek, 2009). Over the last years, the Intergovernmental Panel on Climate Change (http://www.ippc.ch) has informed that man-induced world climate change will increase the frequency of precipitation...
To investigate the effect of arable land protection policies in China, a practical framework that integrates geographic information systems (GIS), soil quality assessment and landscape metrics analysis was employed to track and analyze arable land transformations and landscape changes in response to rampant urbanization within the Ningbo region (China) from 2005 to 2013. The results showed that...
Speculative demand in the land and housing market has a fundamental role in raising the price of land and housing and causing a diversion and invasion of the housing sector with the aim of profit. The government, by imposing a tax on rent of land and housing return, seeks to control speculation, allocate the land resources and urban housing and make money to build the urban infrastructure. In t...
This article calculates the agricultural carbon emissions in Heilongjiang Province, analyzes factors affecting using grey theory, and proposes strategies for reducing Province. Research shows that main influencing of descending order, include: industrial structure; Urbanization rate permanent population; Per capita arable land area practitioners; Rural Agricultural energy intensity; per disposa...
Rapid urban land expansion and the resulting arable land loss have put food security in China at risk. This paper investigates the characteristics and mechanism of arable land conversion in Beijing using a logistic model based on land-use data for 2001 and 2010. The results suggest that (1) arable land conversion tends to occur near built-up areas, city centers and major roads; (2) arable land ...
In this paper, with the aim of evaluating the position of cultural spaces in contemporary urban development plans, it is first to calculate the extent of the shortage of any cultural needs with the standard per capita amount; Then, using Topsis Technique, based on the current per capita levels of educational, religious, social, tourism, recreational and sports services in detailed plans, rankin...
Globally and in the United States, agriculture is the major user not only of water but also of land. This paper compares trends in aggregate and per capita water and land use by the agricultural sector in the United States and the world during the 20 century. It finds that although cropland use per capita has been declining in both areas since the early 1900s, agricultural water use per capita ...
Considerable portion of housing sector from gross domestic product indicates relationship between housing sector and macroeconomics. This paper focuses on consumption demand of housing and variables that can affect it and represents a theoretical framework for changes of housing prices regarding variables such as income per capita, liquidity and land per capita, the present paper studies effect...
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