this paper studies the condition of iran in view of 21 economic indices during the years 1995 to 2007. position of the country in the southwest asia region is specified with respect to the economic indices. in addition, using the numerical taxonomy method, a general position is specified for the country in each year. different trends of this general grade are investigated as well. the data of t...

Precipitation extremes will generally intensify in response to a warming climate. This robust fingerprint of climate change is particular concern, resulting heavy rainfall and devastating floods. Often this intensification explained as consequence the Clausius–Clapeyron law warmer world, under constant relative humidity. Here, based on an ensemble CMIP5 global models high-resolution regional si...

Domestic chickens have long been important to human societies for food, religion, entertainment, and decorative uses, yet the origins and phylogeography of chickens through Eurasia remain uncertain. Here, we assessed their origins and phylogeographic history by analyzing the mitochondrial DNA hypervariable segment I (HVS-I) for 834 domestic chickens (Gallus gallus domesticus) across Eurasia as ...

the relationship between the stratospheric conditions and evolution, and the surface weather, not only has revolutionized our understanding of the functions of different atmospheric layers and their dynamics, but has also brought about potential implications for weather and climate predictions in almost any region of the planet. obtaining a better understanding of the field, particularly in sou...

The genus Ixiolirion, belonging to the Amaryllidaceae family, contains about 3 species distributed in center and southwest of Asia and northeast of Africa. The Iranian flora consists of only one bulbous flowering species; Ixiolirion tataricum (Pall.) Herb., with the Persian name of “Khiarak”. In the present work, I. tataricum was collected, during the flowering stage,...