نتایج جستجو برای: ecological indices

تعداد نتایج: 181372  

2011
Metten Somers Sebastiaan F. Neggers Kelly M. Diederen Marco P. Boks René S. Kahn Iris E. Sommer

Cerebral language lateralization can be assessed in several ways. In healthy subjects, functional MRI (fMRI) during performance of a language task has evolved to be the most frequently applied method. Functional transcranial Doppler (fTCD) may provide a valid alternative, but has been used rarely. Both techniques have their own strengths and weaknesses and as a result may be applied in differen...

Journal: :journal of rangeland science 2013
mahnoosh pourhadi saeed mohtashamnia mohammad mahdavi

ecotones are zones of gradual changes from an ecological system to another.ecotones monitoring could be important to find out the reason for changes and limits. inthis research satellite data were used to analyze the ecotone boundary in fars steppicrangelands using irs liss iii and pan data of year 2006. the real vegetation map andecotones prepared through geo-eye images from google earth softw...

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...

2014
Bridget Freisthler Sharon Lipperman-Kreda Melina Bersamin Paul J. Gruenewald

Prevention researchers have found that drinking in different contexts is related to different alcohol problems. Where and with whom people drink affects the types of alcohol-related problems they experience. Consequently, identifying those contexts that result in the greatest number of problems provides a novel opportunity to target new prevention efforts aimed at those contexts. However, ident...

Journal: :مرتع و آبخیزداری 0
امید اسدی نلیوان دانشجوی دکتری آبخیزداری، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، ایران محسن محسنی ساروی استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران قوام الدین زاهدی امیری استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران علی اکبر نظری سامانی استاد دانشکده منابع طبیعی، دانشگاه تهران، ایران

sustainability is a concept that emphasizes substantially on investments conservation (natural, social and economic) toward intra-generation equity. when sustainable development is achieved an overlapping is created between ecological, economic and social classes. the goal of this study is to measure and evaluate watershed sustainability. in order to evaluate sustainability in zidasht basin 1, ...

Journal: :Science 2014
Wilhelm Hofmann Daniel C Wisneski Mark J Brandt Linda J Skitka

The science of morality has drawn heavily on well-controlled but artificial laboratory settings. To study everyday morality, we repeatedly assessed moral or immoral acts and experiences in a large (N = 1252) sample using ecological momentary assessment. Moral experiences were surprisingly frequent and manifold. Liberals and conservatives emphasized somewhat different moral dimensions. Religious...

2012
M. LAFOURCADE

Let us assume we are given a triangle K. Is it possible to compute subrings? We show that L′′ → א0. Is it possible to extend super-linearly canonical, embedded equations? In this setting, the ability to characterize additive, regular, closed domains is essential.

2013
Bud P. Bruegger Moritz-Christian Müller

The paper reports on the experience of the FutureID project in the creation and use of an eID terminology so far. A major part of work has reviewed the state of the art in eID Terminologies. Five existing terminologies have been compared and analyzed in detail to yield unexpected and surprising results. On this basis, FutureID has designed its approach for creation and use of an eID terminology...

2004
Gary King Ori Rosen Martin A. Tanner David G. Steel Eric J. Beh Stephen Voss Jeffrey B. Lewis George G. Judge Douglas J. Miller Wendy K. Tam Cho Philip Hans Franses Kevin M. Quinn Linda J. Young Marcelo Escolar Sebastien Haneuse

Ecological inference : new methodological strategies / edited

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