Understanding how population sizes vary over time is a key aspect of ecological research.Unfortunately, our understanding of population dynamics has historically been based on an assumption that individuals are identical with homogenous life-history properties.This assumption is certainly false for most natural systems, raising the question of what
We perform a comparative study on here the gold-stock market relationship in U.S.stock market as a developed market and in Iran stock market as an emerging market.By considering appropriate variables for emerging markets and by providing a more proper methodology, we improve earlier studies.According to our findings, the relationship between stock
The article is dedicated to the problems of further improvement of the Russian means of individual and collective protection and to the ways of their solution.Thus, in order to reduce the weight of the facial parts of advanced indigenous masks of respiratory protective equipment, as well as for the improvement of their appearance, it is necessary t
Three cases of mesoscale marine cyclogenesis over the subtropics of the Western Pacific Ocean are investigated.Each case occurred during the THORPEX Pacific Asia Regional Campaign and Tropical Cyclone Structure (TCS-08) field phases in 2008.Each cyclone developed from remnants of disturbances that earlier showed potential for tropical cyclogenesis