نتایج جستجو برای: plant geography

تعداد نتایج: 413757  

Journal: :فصلنامه علمی پژوهشی علوم سیاسی 0
طاهره کنعانی طاهره کنعانی

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2008
P. J. Deadman P. H. Verburg

Journal of Land Use Science Publication details, including instructions for authors and subscription information: http://www.informaworld.com/smpp/title~content=t724921301 Complex systems models and the management of error and uncertainty J. P. Messina a; T. P. Evans b; S. M. Manson c; A. M. Shortridge a; P. J. Deadman d; P. H. Verburg e a Department of Geography, Michigan State University, USA...

2013
YIFEI SUN YU ZHOU GEORGE C. S. LIN DENNIS WEI

YIFEI SUN*†, YU ZHOU‡, GEORGE C. S. LIN§ and Y. H. DENNIS WEI} *Institute of China Innovation (ICI), East China Normal University, Shanghai 200062, China †Department of Geography, California State University –Northridge, Northridge, CA 91330, USA. Email: [email protected] ‡Department of Earth Science and Geography, Vassar College, Poughkeepsie, NY 12604, USA. Email: [email protected] §Departme...

Journal: تعلیم و تربیت 2014
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Increasing Student Achievement by Improving the Psycho-Emotional Atmosphere of the Geography Class M. Naaderi H. Abdollaahzaadeh, Ph.D. The spread of new technologies has tremendously changed classroom atmospheres in the developed countries, and as a result, learning packages are utilized ever more frequently in their schools. In Iran the use of such packages is picking up spe...

2008
Marco René Spruit Wilbert Heeringa John Nerbonne

In this paper we measure the degrees of association among aggregate pronunciational, lexical and syntactic differences in 70 Dutch dialect varieties. First, we show that pronunciation is marginally more strongly associated with syntax than it is with lexis and that syntax and lexis are only weakly associated. Then, we check for the influence of geography as an underlying factor because geograph...

Journal: :Ecology 2008
David S LeBauer Kathleen K Treseder

Our meta-analysis of 126 nitrogen addition experiments evaluated nitrogen (N) limitation of net primary production (NPP) in terrestrial ecosystems. We tested the hypothesis that N limitation is widespread among biomes and influenced by geography and climate. We used the response ratio (R approximately equal ANPP(N)/ANPP(ctrl)) of aboveground plant growth in fertilized to control plots and found...

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