نتایج جستجو برای: land use efficiency

تعداد نتایج: 2128140  

Journal: :آمایش سرزمین 0
مریم سعیدصبایی دکتری محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران رسول سلمان ماهینی دانشیار گروه محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران سید محمد شهرآئینی استادیار، دانشکدة فنی و مهندسی دانشگاه گلستان، گرگان، ایران سید حامد میرکریمی استادیار گروه محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران نورالدین دبیری استادیار، دانشکدة فنی و مهندسی دانشگاه گلستان، گرگان، ایران

creating and preserving large patches in land use configuration and satisfying compactness and contiguity in land use configuration are nature-prescribed and nature-inspired criteria that can be used in land use planning better that before. accompanying compactness and contiguity as the important landscape metrics in land use planning and land use configuration is close to applying proactive ap...

Journal: :پژوهشهای جغرافیای انسانی 0
موسی پژوهان دانشجوی دکترای جغرافیا و برنامه‎ریزی شهری، دانشکده‎ی جغرافیا، دانشگاه تهران نصرالدّین الیاس‎زاده مقدّم دکترای شهرسازی، دانشگاه آزاد اسلامی واحد علوم تحقیقات، تهران سمیّه فتحی کارشناس ارشد طرّاحی شهری، دانشگاه علم و صنعت ایران، تهران

extended abstract introduction school of modernism started between 1920 until 1930 in both sides of atlantic ocean. however, one can see its signs in the first movements in planning about the garden city ideas. the idea of modernism happened at the same time in architecture and this paradigm was dominant until late 1960. in twentieth century, the limitations of natural resources were understoo...

Journal: :journal of agricultural science and technology 2011
s. ayoubi f. khormali k. l. sahrawat a. c. rodrigues de lima

a study was conducted to determine suitable soil properties as soil quality indicators, using factor analysis in order to evaluate the effects of land use change on loessial hillslope soils of the shastkola district in golestan province, northern iran. to this end, forty surface soil (0-30 cm) samples were collected from four adjacent sites with the following land uses systems: (1) natural fore...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده معماری و شهرسازی 1386

چکیده ندارد.

Journal: :ecopersia 0
asghar farajollahi young researchers club, abhar branch, islamic azad university, abhar, iran hamid reza asgari assistant professor, department of arid regions management, gorgan university of agricultural science and natural resources, golestan, iran majid ownagh professor, department of arid regions management, gorgan university of agricultural science and natural resources, golestan, iran mohammad reza mahboubi associate professor, department of agricultural extension and education, gorgan university of agricultural science and natural resources, golestan, iran abdolrasoul salman mahini associate professor, department of the environment, gorgan university of agricultural science and natural resources, golestan, iran

the socio-economic factors affecting land use changes in the maraveh tappeh region was determined from the viewpoint of beneficiaries and experts. the items of questionnaires designed as rating scale based on the five options likert. reliability of questionnaires was determined by cronbach's alpha. two sets of questionnaires were designed for beneficiaries and experts. reliability of benef...

2017
Ying Liu Chenggang Wang Zeng Tang Zhibiao Nan

The rapid growth of farmland rental markets in China raises questions about the association of farmland rental and agricultural productivity. Although this issue has been extensively studied, the majority of studies have focused on yields and technical efficiency, with input use and cost efficiency receiving little attention. This study aimed to determine the statistical association of wheat an...

Hassan Amini, Kazem Naddafi Masud Yunesian Ramin Nabizadeh Seyed-Mahmood Taghavi-Shahri,

Land use regression (LUR) models have been globally used to estimate long-term air pollution exposures. The present study aimed to analyze the association of different land use types and traffic measures with air pollutants in Tehran, Iran, as part of the future development of LUR models. Data of the particulate matter (PM10), sulfur dioxide (SO2), and nitrogen dioxide (NO2) were extracted from...

Quantifying land use change dynamics is critical in tackling environmental and socio-economic challenges such as climate change in recent years. This study takes Siahkal County in Guilan Province as the research subject and analyzes the land use changes in two different years: 2000 and 2021, and predicts the change in 2031. We carried out land use change analysis using LANDSAT-7 ETM+ and LANDSA...

In recent years, land use mix has become an important issue of ​​research in urban studies. One of the important issues related to land use mix is how to measure it in urban areas. Given that many studies have assumed land use mix as an independent variable affecting other urban life dimensions, Therefore, how it is measured is crucial for achieving reliable results. The purpose of this researc...

EXTENDED ABSTRACT      The land use change of watersheds has entailed many impacts on the processes of erosion and sediment yield over the time, and has caused the loss of soil quality and fertility. On the other hand, an increase in the sediment generation and its accumulation would reduce the capacity of the reservoirs. In this respect, the purpose of this study was to evaluate the effects o...

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