منابع مشابه
Precipitation Trends Analysis in Southwest Asia during the Last Half Century
Precipitation is a climatic elements that have temporal - spatial distribution. In this research database of Global Precipitation Climatology Centre (GPCC) with a resolution 0.5×0.5 degree for 50 year is used, that was constituted with dimensions of 12800*600. Temporal data are on the columns and pixels (spatial data) located on the rows. The results show an increasing trend in spring and fall ...
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متن کاملClimate Shocks and Economic Growth: Evidence from the Last Half Century
This paper uses annual variation in climate to examine the impact of temperature and precipitation on national economies. We find three primary results. First, higher temperatures substantially reduce economic growth in poor countries. Second, higher temperatures appear to reduce growth rates, not just the level of output. Third, higher temperatures have wide-ranging effects, reducing agricultu...
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introduction barely (hordeum vulgare) is the fourth most important cereal after wheat, corn and rice. regarding the role of breeding to increase barley grain yield a large number of studies have been done in different countries. however, a few studies have been performed across golestan province, in iran. therefore, this study was conducted to know what barley traits have changed with grain yie...
متن کاملRussian Germans in Russian Historiography from the Last Third of the 18th to the First Half of the 19th Century
Russia and Germany have centuries-old cultural, economic, and dynastic ties. Until the end of the 17th century, the German diaspora in Muscovy was small and concentrated in the German Quarter in Moscow. The reign of Catherine the Great (1762 – 1796) featured an active campaign carried out in Russia to engage foreign colonists in the economic development of vacant lands on the outskirts of the s...
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ژورنال
عنوان ژورنال: Seibutsu Butsuri
سال: 2012
ISSN: 0582-4052,1347-4219
DOI: 10.2142/biophys.52.066