نتایج جستجو برای: spatial

تعداد نتایج: 362278  

The main objective of this study is to identify factors affecting labor force participation rate of economic and spatial relationships of provinces in Iran. For this purpose, Moran statisticsas univariate and spatial regression (spatial lag model) were used based ondata from the 2011. The results of Moran statisticsas univariate and spatial regression showed that Iran states are cluster status ...

شمس ا...ایوبی, , سارا محمدزمانی, , فرهاد خرمالی, ,

Evaluating agricultural land management practices requires a thorough knowledge of soil spatial variability and understanding their relationships. This study was conducted at a traditionally operated wheat field in Sorkhankalateh district, located about 25 km northeast of Gorgan, in Golestan province, Iran. Soil samples of the 0-30 cm depth were collected right after planting at the end of autu...

Abstract Urban form can be affected by diverse factors in different times. Socio- economic, political and physical factors are among the main contributors. So, one of the most important challenges of urban planners is measuring and identifying urban development pattern in order to direct and strengthen it to sustainable pattern and right direction. The case study of the present paper is the ...

Functional and structural changes of regional system are ongoing spatial changes that form patterns of spatial organization, depending on dominant regional forces and factors. Spatial structure of West Azerbaijan province experienced significant changes during 15 years; thus, the present research aim to investigate the manner of spatial distribution of two variables of population and activity, ...

Journal: :محیط زیست طبیعی 0
حسن پوربابایی گروه جنگلداری، دانشکده منابع طبیعی، دانشگاه گیلان، صومعه سرا شیوا زندی ناوگران گروه جنگلداری، دانشکده منابع طبیعی، دانشگاه گیلان، صومعه سرا محمد نقی عادل گروه جنگلداری، دانشکده منابع طبیعی، دانشگاه گیلان، صومعه سرا

spatial pattern of trees is an important characteristic of plant communities. generating hypotheses relating to the structure of ecological communities is the aim of spatial pattern recognition. stands spatial patterns are measured and mapped by measuring tree locations in the stand and entering each coordinates into analytical frameworks. the spatial pattern of plant populations observed at an...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
مرتضی تهامی پور زرندی دانشجوی دکتری دانشکدۀ اقتصاد و توسعۀ کشاورزی، دانشگاه تهران حبیب الله سلامی استاد دانشکدۀ اقتصاد و توسعۀ کشاورزی، دانشگاه تهران سعید یزدانی استاد دانشکدۀ اقتصاد و توسعۀ کشاورزی، دانشگاه تهران امیرحسین چیذری استادیار اقتصاد کشاورزی، دانشکدۀ اقتصاد و توسعۀ کشاورزی، دانشگاه تهران

the purpose of this study is to determine spatial dependency pattern of systematic risk of dry land wheat production in iran, using spatial autoregressive models. to this end, spatial weighted contiguity matrix was constructed based on the delaunay triangularization method, and correlation coefficient among these neighbors were estimated using spatial autoregressive models. in addition, the rol...

ارجمندی, سمیرا, بمانیان, محمدرضا, جلوانی, متین,

Mosques in the history of Islamic civilization are prominent and integral components of Islamic architecture and focal points in Muslim cities. The same is true about Iran that renders them as significant urban landmarks and important spatial linkage elements of the city. In order to find out the significance of Islamic philosophy in Architecture and urban planning, it suffices t...

According to several types of research, one of the most important issues and principles of sustainable development that urban professionals pay attention to it recently is Just City. One aspect of Justice in cities, spatial justice, has particular significance by Unequal and discordant Expanding in cities regarding creating unequal areas. On the other hand, the urban spatial structure affects t...

 Recognition of spatial patterns of drought plays an important role in monitoring, predicting, confronting, reducing vulnerability, and increasing adaptation to the hazard. The aim of this study is to identify the spatial distribution and analyze the annual, seasonal, and monthly spatial patterns of drought intensities in Iran. For this purpose, drought intensities were extracted from the month...

Journal: :iranian journal of basic medical sciences 0
imanollah bigdeli faculty of psychology and educational sciences, university of semnan, semnan, iran masomeh nikfarjam- haft asia faculty of psychology and educational sciences, university of semnan, semnan, iran hossein miladi-gorji laboratory of animal addiction models, research center and department of physiology, school of medicine, semnan university of medical sciences, semnan, iran atefeh fadaei faculty of psychology and educational sciences, university of semnan, semnan, iran

objective(s): there is controversial evidence about the effect of methamphetamine (meth) on spatial memory. we tested the time- dependent effects of meth on spatial short-term (working) and long-term (reference) memory in meth –sensitized and withdrawn rats in the morris water maze. materials and methods: rats were sensitized to meth (2 mg/kg, daily/5 days, sc). rats were trained in water maze ...

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