نتایج جستجو برای: the western plains

تعداد نتایج: 16073298  

Journal: :the international journal of humanities 2010
masoud azarnosh hamid khatibshahidi reza rezaloo

north-western iran comprises diverse geographical landscapes, including pastures of piedmonts, mountains, and well-watered plains. the present chronology of this region, nevertheless, is based exclusively on data collected from sites around the urmia lake, other regions being almost totally ignored. during the late bronze age (hereafter lba) a new way of life took shape in the mountainous regio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

2016
M. D. Petrie N. A. Brunsell R. Vargas S. L. Collins L. B. Flanagan N. P. Hanan M. E. Litvak A. E. Suyker

In the Great Plains, grassland carbon dynamics differ across broad gradients of precipitation and temperature, yet finer-scale variation in these variables may also affect grassland processes. Despite the importance of grasslands, there is little information on how fine-scale relationships compare between them regionally. We compared grassland C exchanges, energy partitioning and precipitation ...

Journal: :Journal of Soil and Water Conservation 2019

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Joshuah S Perkin Keith B Gido Jeffrey A Falke Kurt D Fausch Harry Crockett Eric R Johnson John Sanderson

Groundwater pumping for agriculture is a major driver causing declines of global freshwater ecosystems, yet the ecological consequences for stream fish assemblages are rarely quantified. We combined retrospective (1950-2010) and prospective (2011-2060) modeling approaches within a multiscale framework to predict change in Great Plains stream fish assemblages associated with groundwater pumping ...

Hamid Hariryan Mahmoud Heydarian Mohsen Zeynivand

Although prehistoric periods (especially Chalcolithic) on the western side of the Central Zagros Mountain are fairly known, the Songhor and Koliyaei Plains have not been sufficiently investigated by western  or  Iranian archaeologists. In the course of the recent investigationsduring the 2002 and 2009 field seasons, thirty three chalcolithic sites, of which nine sites  contain Dalma sherds, wer...

Behnoush Farokhzadeh Davoud Akhzari, Iman Saeedi Mohsen Goodarzi

Dust storms are known as hazardous problems in western part of Iran. Iraq is one of the main sources for dust storm arriving to the western part of Iran. The Radial Basis Function Network model (RBFN) has been used to assess wind erosion hazards in the source area of dust storms over several western Iranian cities. Normalized Difference Salinity Index (NDSI) was used to determine the changes in...

Journal: :The Journal of general virology 2008
Abinash Padhi Amy T Moore Mary Bomberger Brown Jerome E Foster Martin Pfeffer Kathryn P Gaines Valerie A O'Brien Stephanie A Strickler Allison E Johnson Charles R Brown

Buggy Creek virus (BCRV) is an unusual arbovirus within the western equine encephalitis complex of alphaviruses. Associated with cimicid swallow bugs (Oeciacus vicarius) as its vector and the cliff swallow (Petrochelidon pyrrhonota) and house sparrow (Passer domesticus) as its amplifying hosts, this virus is found primarily in the western Great Plains of North America at spatially discrete swal...

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