Search

Abstract Considering the presence of 274 dusty days in 2021 in Zabol city, Iran, the present study aimed to evaluate the feasibility of using treated sewage effluent (TSE) for dust mitigation with natural methods of increasing land cover. Hence, first of all, the identification of sewage treatment facilities along with the volume and chemical status was carried out and compared to the various national and international legislation. Then, field investigation on land use and land cover, along with literature review on dust origins, sand detachment areas, and sand corridors in the study area will be assisted for optimal area suggestion. Note that, in the present study it was assumed that the application of TSE for wetting the surface to vegetation restoration resulted in wind erosion control in critical foci. The results showed that, so far, a total of 39,000 m3/day could be treated, in the whole study area. The TSE volume calculated based on two scenarios consisting, (1) data obtained from the related organization, and (2) based the capacity of the wastewater plant is 2.8 and 5.1 mcm/year, respectively. Additionally, the study of TSE quality and its comparison to various regulation such as FAO, USEPA, INS, and CWQI indicated the applicability of transforming TSE to 14 km away from the WWT planet daily for rehabilitation of Hammon Hirmand through irrigation of T.stricta to increase the vegetation cover to above 30%.

The production and proper utilization of medicinal plants in natural habitats need to review and identify the natural conditions and climate of the habitat of these plants and separating them from harmful and poisonous plants. The current study was aimed to introduce and determine the distribution of medicinal plants from Lamiaceae family in Mazandaran province as well as the introduction of natural habitats in order to provide information for executive agencies and administrators of land use plan to be used for optimal utilization of potentials of natural resources. In this study, after collecting the documents, the aromatic and medicinal species (wild species) of Mazandaran province were identified and their distribution was investigated. According to the obtained results, the medicinal species of Lamiaceae family in Mazandaran province contain 23 species, belonging to 11 genera among which Stachys spp. with seven species is known as the riches genus in Lamiaceae family, distributed in an area of 16322 km2 in Mazandaran province. As a result of this study, the distributionmap of natural habitats, habitat conditions, life form, and utilizable organs of medicinal species belonging to Lamiaceae family in Mazandaran province have been provided. According to the rich flora of Mazandaran province, the results of this study could help in financing, planning, cultivation and production of medicinal plants at industrial levels. In addition, the production of herbal medicines could be used in pharmaceutical, medical and food industries.