نتایج جستجو برای: land use change impact

تعداد نتایج: 2891655  

Journal: :آب و توسعه پایدار 0
مرضیه رسولی علی حقی زاده حسین زینی وند علی رضا ایلدرمی

land-use change affects a number natural processes such as soil erosion, sedimentation, flooding and destruction of soil physical and chemical properties. this change of ecosystem causes the degradation of soil quality which eventually leads to a severe decrease in soil fertility. therefore, various aspects of land-use change should be taken into account in national major decision makings. this...

Urban land use change is one of the key issues in urban planning that has been addressed by researchers in many different aspects, especially from the perspective of space. But the point that has been overlooked in various studies is that the analysis of different aspects of land use change is not limited to classical and spatial factors, and because of the various interest of land use change, ...

Analysis of land use change in Nazlou district of Urmia in the 2005-2018 time series Abstract Population growth, increased prosperity, the spread of technology, and the improper use of land have in recent decades imposed many changes on land. Nazlou district in Urmia city has been exposed to many changes due to its favorable natural conditions, location in the development paths of Urmia-Cir an...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
شهرام محمدزاده دانشجوی دکتری ترویج و آموزش کشاورزی دانشگاه تربیت مدرس حسن صدیقی دانشیار گروه ترویج و آموزش کشاورزی دانشگاه تربیت مدرس غلامرضا پزشکی راد دانشیار گروه ترویج و آموزش کشاورزی دانشگاه تربیت مدرس مجید مخدوم استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمد شریفی کیا استادیار گروه سنجش از دور دانشگاه تربیت مدرس

the purpose of this research was to analyze the impact of agronomic land use change to orchard in the west of urmia lake basin. the target population was about 12000 consisting of all the farmers in the west of urmia lake basin that changed their agronomic land use to orchard. using cochran’s formula and stratified random sampling method, 150 apple and grape growers were chosen. required data w...

2014
Wei Shangguan Peng Gong Lu Liang YongJiu Dai Keli Zhang

Rapid land-use change in recent decades in China and its impact on terrestrial biodiversity have been widely studied, particularly at local and regional scales. However, the effect of land-use change on the diversity of soils that support the terrestrial biological system has rarely been studied. Here, we report the first effort to assess the impact of land-use change on soil diversity for the ...

ژورنال: علوم آب و خاک 2014
شکل آبادی, محسن , محبوبی, علی اکبر , محمودزاده, حمید ,

Organic carbon pools and carbon lability directly affect soil biological, physical and chemical characteristics. Besides, capacity of self-organization of soil is related to the organic carbon pools. Sand size fraction (> 50 µm) organic matter is more labile than silt+clay size fraction organic matter. Assessment of this organic carbon variation can be a suitable index to determine soil quality...

One of the most important problems facing desert areas today is the growing trend of desertification and land use change. Land use is a special use of man from the earth. These uses are changing over time and these changes lead to increased land degradation and ecosystem destruction, especially in arid and semi-arid regions. Accordingly, in this research, the trend of land use change in the eas...

Land use change is driven by interaction in space and time between humans and the environment that can be captured by computer simulation models (Veldkamp and Verburg, 2004). In the last few decades, land use change models have played an important role in understanding the causes, mechanisms and consequences of land use dynamics. SLEUTH is an open source cellular automata based land use change ...

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