نتایج جستجو برای: land management and management map

تعداد نتایج: 17014399  

2009
Masoud Nasri Sadat Feiznia Mohammad Jafari Hasan Ahmadi

Today, incorrect use of lands and land use changes, excessive grazing, no suitable using of agricultural farms, plowing on steep slopes, road construct, building construct, mine excavation etc have been caused increasing of soil erosion and sediment yield. For erosion and sediment estimation one can use statistical and empirical methods. This needs to identify land unit map and the map of effec...

The management of areas with landscape ecological approach helps us to have more integrated of considering completely management and also keep the area’s values. Lar National Park and Varjin Protected Area are the most important areas of their biodiversity and wildlife habitats. The aim of this study was quantification of fragmentation in Lar National Park and Varjin Protected Area and to compa...

امینی, امیر مظفر , ایوبی, شمس الله , جلالیان, احمد , رستمی نیا, محمود ,

  Extension of cultivation areas becomes gradually impossible due to ever-increasing population growth and urban area development in Iran. Therefore, it is very important to use the existing cultivated lands more efficiently. Land suitability evaluation makes the sustainable use of the lands feasible. The objective of this study was qualitative, quantitative and economic suitability evaluation ...

Journal: :پژوهش های جغرافیای طبیعی 0
وحید امینی پارسا دانشجوی دکتری برنامه ریزی محیط زیست دانشگاه تهران اطهره نژادی دکتری برنامه ریزی محیط زیست دانشگاه تهران

introduction land use and land cover change (lucc) is a complex issue resulted from biophysical, socio-economic, cultural, organizational and technological factors in different spatial and temporal scales. lucc considered as an important threat to biodiversity as causing the fragmentation, natural vegetation destruction and natural areas isolation the regions which managed by environmental prot...

2008
Vincent Valles Alain Aventurier Olivier Ribolzi VINCENT VALLES

Arid Land Research and Management Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t713926000 Soils and Brine Geochemistry and Mineralogy of Hyperarid Desert Playa, Ouargla Basin, Algerian Sahara Belhadj Hamdi-Aissa a; Vincent Valles b; Alain Aventurier c; Olivier Ribolzi d a Université de Ouargla, L. R. de Prot...

2008
António Lucas Soares Cristóvão Sousa

Ontologies are a technological key factor regarding the knowledge management domain. This paper presents a graphical-based knowledge representation approach using concept maps towards creating a formal work organization ontology, which was translated into a Content Management System in order to manage the work design information. Some aspects related with the advantages of visual approaches for...

2003
John C. Beachboard

Given societies’ massive investment in information technology and the potentially catastrophic consequences of IT failures, it is becoming increasingly critical to understand how IT management policies influence IT management practice and, ultimately, organizational success in implementing and employing information technology. This paper describes a study that took place in a large government a...

Journal: :محیط زیست طبیعی 0
سعیده ملکی نجف آبادی عضو هیأت علمی گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه زابل، ایران علیرضا سفیانیان استادیار گروه محیط زیست دانشکده منابع طبیعی دانشگاه صنعتی اصفهان، ایران vahid rahdari عضو هیأت علمی گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه زابل، ایران

landscape ecology as a modern interdisciplinary science offers new concepts, theories, and methods for land evaluation and management. a main part of landscape ecology is describing patterns in the landscape and interpreting the ecological effects of these patterns on flora, fauna, flow of energy and materials. remote sensing and gis techniques have a high ability for landscape researchers to s...

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