Roshan SA, Heydari M. 2014. Flora, life form and chorological study of Quercus brantii habitat in Emamzadeh Abdullah woodland,. Flora in each region identified an important role in maintaining national reserves of each country to play. Iran is one of the most important centers of plant diversity in to account old world comes closer to 22% of its 8000 plant species are exclusively. Emamzadeh Abdullah forest is located in southeastern Khouzestan province, Iran. The field data were obtained using 70 sample (20m x 20m) plots in a systematic random grid. The attributes include tree and shrub species type, number of each species and canopy coverage, which were recorded by measuring their small and large crown diameters in each sample plot. In order to record the herbaceous species, the Whitaker's snail plot method was applied, which resulted in 64 m² of the minimum plot area. In this study, 154 plant species recognized from the area were identified and collected to 106 genera and 38 belong to the family. Families by Papilionaceae with 20 species, Poaceae with 20 species, Asteraceae with 19 species and Lamiaceae with 12 species and large plant families that total 46.1% of all species are included. Investigation of life forms species shows that Hemicryptophyte are the most important.

Flora identified within a region plays an important role in maintaining national natural reserves. Iran is one of the most important centers of plant diversity in the Old World (22% endemic species of 8000 plant species). Dehdez burned forest area is located in the southeastern Khuzestan province. The field data were obtained from 115 sample plots in a systematic random grid (20 m × 20 m). The attributes such as tree and shrub species type, the number of species and canopy coverage were recorded. Within each sample plot small and large crown diameters were measured. In order to record herbaceous species, the Whitaker's snail plot method was applied (100 m² minimum plot area). In this study, 240 plant species were assessed and identified to 158 genera and 42 families. Asteraceae family with 33 species, Papilionaceae with 32 species, Poaceae with 29 species, Apiaceae with 27 species and Lamiaceae with 18 species prevailed and constituted 57.9% of all the plants observed. Investigation of species life forms showed that Hemicryptophyte plants were most important. Chorological study showed that species found in Irano-Turanian and Common areas of Irano-Turanian and Mediterranean eruption were the most important ecological groups in the region, while other chorotypes were positioned far from the next in importance.

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Background & Aims of the Study: Heavy metal pollution has become a global problem, and their entry into the food chain is considered a threat to humans and other organisms. This study aimed to assess the risk of metals (chromium, nickel, arsenic, copper, zinc, cadmium, and lead) in edible barley grains grown in Khuzestan Province, Iran, in 2019. Materials and Methods:In this analytical study, five farms of edible barley grains were selected. Then, four stations were selected in each farm. After sampling, barley seeds were prepared by acid digestion method and read by inductively coupled plasma-mass spectrometry. The amount of metal contamination in the grains was estimated by the crop pollution index based on the classification of the US Environmental Protection Agency (USEPA), Hazard Index (HI), and the risk of carcinogenic risk in children and adults. Results:The highest amounts of heavy metals in barley grains belonged to zinc and the lowest to chromium. According to the USEPA classification, the potential non-carcinogenic risk for children was higher than for adults, and the HI in all study areas was at level 3 for adults and children and level 4 in some stations for children. In the case of barley samples, the average carcinogenic risk for arsenic was 2 per 10000 people for adults and 4 per 10000 for children, and cadmium was 1 per 10000 people for adults and 2 per 10000 for children in the population of the province. These figures were estimated to be at a safe level. Conclusion:Barley is one of the foods of the people of the region. The use of its contaminated amounts due to the biological accumulation of heavy metals can create health risks for its consumers in the long run.

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