نتایج جستجو برای: landscape

تعداد نتایج: 68582  

Journal: :محیط شناسی 0
فرود آذری دهکردی استادیار گروه برنامه ریزی و مدیریت دانشکدة محیط زیست، دانشگاه تهران نوشین خزاعی دانشجوی کارشناسی ارشد، دانشکدة محیط زیست دانشگاه تهران

degradation model was introduced as an instrument of environmental impact assessment (eia) in iran. several methods are introduced in rapid environmental assessment, but none of them have evaluated landscape level. thus, the main objective of this research is to introduce a new spatial method for eia by using landscape metrics. a benefit of rapid assessment by using ecological landscape metrics...

Journal: مدیریت شهری 2015
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Quality of urban areas and improvement of it have always been considered as one of the main issues in the process of urbanization. It might be possible to consider this importance as the result of fundamental changes in intellectual patterns during the past two decades in one side and its proposal in all aspects of human life on the other side though this is one of the main influential concepts...

2006
Silke Hein Birgit Binzenhöfer Hans-Joachim Poethke Robert Biedermann Josef Settele Boris Schröder

Field Station Fabrikschleichach, Glashuettenstrasse 5, 96181 Rauhenebrach, Germany UFZ – Centre for Environmental Research Leipzig-Halle, Dept. of Conservation Biology, Permoserstr. 15, 04318 Leipzig, Germany IBE, Landscape Ecology Group, Carl von Ossietzky University of Oldenburg, PO Box 2503, 26111 Oldenburg, Germany UFZ – Centre for Environmental Research Leipzig-Halle, Dept. of Community Ec...

2005
K. WATTS J. W. HUMPHREY D. RAY

UK forests and woodlands are often of considerable value to biodiversity. There is now a growing need to evaluate the impacts of forest management on biodiversity, in order to maintain and enhance the wildlife value at the landscape scale. The development of biodiversity evaluation tools will enable forest and land managers to make informed choices at this scale in order to provide sustainable ...

2006
S. T. Akindele

We analytically put the concept of public administration into perspective in this paper. In the process, we traced its genealogy and, its theoretical provisions as well as the implications and challenges of these provisonal at each stage of its development. We specifically zeroed-in on the practical applications of these provisons in a country like Nigeria. Prominence was given to the features ...

2010
R. Van Bogaert D. Walker G. J. Jia O. Grau M. Hallinger M. De Dapper C. Jonasson T. V. Callaghan

1FWO Flanders Research Foundation, Geography Department, Ghent University, Belgium 2Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK 3Institute of Atmospheric Physics, Chinese Academy of Science, Beijing, China 4Plant Biology Department, Unit of Botany, University of Barcelona, Catalonia, Spain 5Institute for Botany and Landscape Ecology, Ernst-Moritz-Arndt-University ...

2003
Dan Liu Xiangjian He Yicheng Jin

The scene simulation is one of the kernel methods in developing the navigation simulator, and terrain is one of the important components of the scene simulation. According to the basic request on terrain protraction in the visual system of navigation simulatorand the software and hardware platform of the existing navigation simulator. Many useful results of bivariable functions have been obtain...

جعفری, انیس, مصطفی‌زاده, رئوف, کیوان‌بهجو, فرشاد,

The aim of this research was to compare the rangelands structure and landscape degradation in Iril sub-watersheds, Ardabil province. Land use map and the Landscape Fragmentation Tool were used to determine 4 classes of patch, edge, perforated and core through 5, 10, 15 and 20m cell sizes. The landscape metrics of LPI, ED, cohesion, mesh, split, and AI were calculated using Fragstats software. R...

2013
Luigi Fusco Girard

After the 2008 crisis, smart sustainable development of port areas/cities should be developed on the basis of specific principles: the synergy principle (between different actors/systems, in particular the socio-cultural and economic system), the creativity principle and the circularization principle. The Historic Urban landscape (HUL) approach becomes the guarantee that the transition toward t...

2015
Crystal H. McMichael Dolores R. Piperno Eduardo G. Neves Mark B. Bush Fernando O. Almeida Guilherme Mongeló Margret B. Eyjolfsdottir

1 Palaeoecology and Landscape Ecology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, Netherlands, 2 Department of Biological Sciences, Florida Institute of Technology, Melbourne, FL, USA, 3 Smithsonian Tropical Research Institute, Panama, Panama, 4 Department of Anthropology, National Museum of Natural History, Smithsonian Institution, Washington, DC, US...

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