Sprawl, Agricultural Subsidies, and Disappearing Farmland: The Causes of Changes in the Amount of Land in Agricultural Use
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چکیده
منابع مشابه
Analyzing and modeling urban sprawl and land use changes in a developing city using a CA-Markovian approach
Mashhad City, according to the latest official statistics of the country is the second populated city after Tehran and is the biggest metropolis in the east of Iran. Considering the rapid growth of the population over the last three decades, the city’s development area has been extended, significantly. This significant expansion has impacted natural lands on suburb and even some parts e.g. rang...
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Introduction: Urban sprawl is one kind of urban expansion or its characteristics, which has a negative general view. Based on given definitions, the most important characteristics of urban sprawl can be thought as low-density, strip like, diffuse, non-continues and land use segregation expansion. However, density is the most common criteria of urban sprawl that is derive by the comparison of...
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Subsidy is a tool used by governments as a form of financial aid to support specific economic sectors. Today subsidy is common in several countries, such as Iran due to different political and economic reasons. This study has examined the effects of changing agricultural subsidies on production and exports. For this purpose, a computable general equilibrium model (CGE) for the year 2011 was use...
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Aims: Land-use change due to human activities is one of the important issues in regional and development planning. The aim of this study was to detect land-use changes using Landsat TM, ETM+, IRS and ASTER satellite imagery. Methodology: In this quasi-experimental study, land-use changes in the Haraz watershed over a 23-year period were evaluated. For this study, images of 1992 TM, ETM + 2002, ...
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To understand the effects of forest degradation and their conversion to farmlands, the current research was conducted with emphasis on some soil biological indexes. In this regard, two different land use including an oak natural stand and a farm next to the forest and under cultivation since 20 years ago were surveyed. Within the each land use, three sampling plots with 10×10 meter dimension we...
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