نتایج جستجو برای: extensive land use

تعداد نتایج: 1955247  

2009
Tom Kompas Tuong Nhu Che Ha Quang Nguyen Hoa Thi Minh Nguyen

Extensive land and market reform in Vietnam has resulted in dramatic increases in rice output over the past thirty years. The land and market reforms in agriculture were pervasive, moving the system of rice production from commune-based public ownership and control to one with effective private property rights over land and farm assets, competitive domestic markets and individual decision makin...

Journal: Desert 2011
A. Sadoddin A. Salajegheh A.R. Keshtkar B Ghermez cheshmeh H. Ahmadi M. Mahdavi

The relative impacts of different types of land use on the surface water quality are yet to be ascertained and quantified. In this paper, the influence of different types of land use on surface water quality is investigated. Rain events samples from different land use in the central plateau, Iran, were analyzed for major ions. Statistical analyses were employed to examine the statistical relati...

Predicting land use change is an indispensable aspect in identifying the best development and management of land resources and their potential. This study used certified land-use maps of 1997, 2006, and 2015 combined with ancillary data such as road networks, water bodies and slopes, obtained from the Department of Agriculture and the Department of Surveying and Mapping in Malaysia, respectivel...

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...

2015
Jacob L. Slusser

Background: The tropical dry forest, the most endangered ecosystem in the Neotropics, is threatened by the dominance of extensive conventional cattle ranching. The consequences of this land use system are particularly evident in the dry forest ecosystem of Panama’s Azuero Peninsula. Deforestation and soil degradation have impaired ecosystem services, which are necessary to support ranching and ...

2003

A and how the response of management affects them are considered. The information collected in a soil survey helps in the development of land-use plans and evaluates and predicts the effects of land use on the environment. Soil surveys were first authorized in the United States in 1896. Although extensive writings on husbandry by L.J.M. Columella were published in the first century A.D., practi...

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...

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