background: one of europe’s most well-developed industrial regions is found in the republic of bulgaria. the industrialization of the region has a big impact on air pollution. thermal power plant “maritza east” (the largest of its kind in southeastern europe), the army training range, machine manufacturers, household heating and high volume of automobile traffic are all major sources of polluti...

asia accommodates half of the population of the world, which is young and still growing. infrastructures are rapidly developing and its gaps with higher income countries are narrowing. despite the fact that science in asia pacific region is expanding fast, medical toxicology is one of the scientific fields which are still lacking in this region (1). establishment of asia pacific association of ...

this study used quantifying factors affecting desertification based on the iranian model of desertification potentialassessment (imdpa) to assess the current status of desertification in bordekhun region, iran. bordekhun region has anarea of 214.11 km2 and is located near the city of daiyer in boushehr province. first, a working unit map of the regionwas selected as the basic map for evaluation...

accurate estimation of evaporation is important for design, planning and operation of water systems. in arid zones where water resources are scarce, the estimation of this loss becomes more interesting in the planning and management of irrigation practices. this paper investigates the ability of artificial neural networks (anns) technique to improve the accuracy of daily evaporation estimation....

In this study seven plant species were collected from the forest of Arasbaran located in the northwest of Iran. Sampling was conducted in May and August and roots were used for calculating vesicular arbuscular mycorrhizal colonization percentage during the same period. Fine roots were separated, washed and put in FAA solution as a fixative. Through the time, root colonization of all plant speci...