نتایج جستجو برای: semi arid areas

تعداد نتایج: 542261  

Journal: :Ecology of food and nutrition 2011
Donald M G Njarui Mwangi Gatheru John M Wambua Simon N Nguluu David M Mwangi George A Keya

Milk consumption in the semi-arid regions of Kenya is not well understood. A study was carried out on consumption of milk and milk products in the semi-arid region of eastern Kenya. A total of 135 rural and 126 urban households were interviewed. Raw milk was the most popular and was consumed by 99% and 84% of rural and urban households, respectively. Generally as degree of processing increased,...

2017
Chris C. Funk Molly E. Brown

Early warning systems (EWS) tend to focus on the identification of slow onset disasters such famine and epidemic disease. Since hazardous environmental conditions often precede disastrous outcomes by many months, effective monitoring via satellite and in situ observations can successfully guide mitigation activities. Accurate short term forecasts of NDVI could increase lead times, making early ...

Journal: :به نژادی نهال و بذر 0
مظفر روستایی m. roustai ِdryland agricultural research institueموسسه تحقیقات کشاورزی دیم سیدکریم حسینی k. hossaini طهماسب حسین پور t. hossainpour مهدی کلاته m. katata مقصود حسن پورحسنی m. hassanpour-hossni عارف امیری a. amiri غلام رضا خلیل زاده

kohdasht is a new improved spring bread wheat (triticum aestivum l.) cultivar suitable for warm and semi arid areas of iran. in 1990-91 cropping season, line tr 801020029 r-1r-6r-0r was received from icarda under 9th semi arid area screening nursery. based on agronomic characteristics, resistance to diseases and abiotic stresses under field conditions, tr 8010200-29r-1r-1r-6r-0r was selected fo...

Cities are experiencing rapid population growth and consequently extensive urbanization. Land-use/land-cover change is one of the important elements worldwide, which significantly affect the environment. This study aims to describe the emergence of urban heat and cool islands as a result of changes in land-use/land-cover. Land surface temperature over a 32-year period in Isfahan city, Iran was ...

Journal: :Remote Sensing 2016
Ning Jin Bo Tao Wei Ren Meichen Feng Rui Sun Liang He Wei Zhuang Qiang Yu

Irrigation is crucial to agriculture in arid and semi-arid areas and significantly contributes to crop development, food diversity and the sustainability of agro-ecosystems. For a specific crop, the separation of its irrigated and rainfed areas is difficult, because their phenology is similar and therefore less distinguishable, especially when there are phenology shifts due to various factors, ...

Journal: :Water 2021

In the context of global climate change, it is important to monitor abnormal changes in extreme precipitation events that lead frequent floods. This research used indices describe variations and analyzed characteristics four climatic (arid, semi-arid, semi-humid humid) regions across China. The equidistant cumulative distribution function (EDCDF) method was downscale bias-correct daily eight Co...

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