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        1 - A review of the assessment and management of the ecological risk of invasive plants
        ساجده مدنی mokarram ravanbakhsh مریم پناهنده
        Due to the increase in human activities, the destructive impact on the environment is not limited to a particular region of the world. Including the destructive impacts are entering non-native plant species around the world that during the 200 years ago with the spread More
        Due to the increase in human activities, the destructive impact on the environment is not limited to a particular region of the world. Including the destructive impacts are entering non-native plant species around the world that during the 200 years ago with the spread of agriculture, increase the exchange of goods, increased human activities as well as increasing environmental destruction, it's increasing. Although only a limited number of non-native species can be invasive, the negative effects of these species on natural and crop communities, human and animal health, and the changing ecosystem characteristics are so high that the research process is constantly expanding in this regard. One of the damages, which has received considerable attention in recent years, is the problem of the introduction of non-native (invasive) plant species into natural ecosystems, but not all non-native species are harmful. Sometimes non-native species are well absorbed by the ecosystem and positioned like native species. But invasive species are species that are not native ecosystems, and their entry causes economic, environmental or human health damage. In this study, the ecological risk assessment of aggressive plants will be provided and suitable strategies for controlling entry and risk reduction will be presented. Manuscript profile
      • Open Access Article

        2 - Patterns of Water Quality Changes, Invasive Aquatic Plant Identification and Environmentally Friendly Control Solutions in Drinking Water Dams of Mazandaran Province
        Pooyan MehrabanJoubani hadi Modabberi Seid Mohammad Mosavi
        This study was investigated the patterns of water quality changes and the identification of invasive aquatic plant species in drinking water dams located in Mazandaran province, including Alborz, Shahid Rajaei and Meijran Dams. The best conditions of dissolved oxygen i More
        This study was investigated the patterns of water quality changes and the identification of invasive aquatic plant species in drinking water dams located in Mazandaran province, including Alborz, Shahid Rajaei and Meijran Dams. The best conditions of dissolved oxygen in Alborz, Shahid Rajaei and Meijran dams were around 10, 10 and 16 mg/L in April, respectively. Due to the thermal stratification created in August and September, the content of dissolved oxygen in all dams at a depth of 7 to 10 meters reached zero. Based on Carlson's index, these dams were eutrophic during these months. The highest amount of phosphate measured in July, August and September was observed in Meijran Dam. However, biological pollution of Alborz and Shahid Rajaei dams were higher than Meijran dam, the biological and chemical oxygen demand of Alborz and Shahid Rajaei dams were about 2 and 2.5 times higher than Meijran dam, respectively. Also, the amount of faecal coliform in Alborz dams was about 2 time compared Meijran dam. Despite the decrease in the amount of total coliform in three dams in September, the amount of faecal coliform in Alborz dam was about 3 times other dams. Two plants, hydrilla and Potamogeton, were observed as the invasive plants in Meijran dam, which seems that cormorant bird are the cause of invasive plants entering the dam. Manuscript profile