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Georgia Black Sea Coast Protection with Free Beaches

Journal of Geoscience and Environment Protection 2018年第5期6卷 151-167页

作者： alpenidze melor Seperteladze Zurab Davitaia Eter Gaprindashvili George Department of Geography Sokhumi State University Tbilisi Georgia Department of Geography Ivane Javakhishvili Tbilisi State University Tbilisi Georgia Department of Geology National Environmental Agency Tbilisi Georgia

In the paper, it is discussed reinforced coastal zones with resort-recreational functions, destructed in terms of anthropogenic pressure of the Black Sea, Georgia. Results of many years’ observations and researches prove low effectiveness of active methods of coastal protection, mostly causing and provoking intensive degradation of the beaches. Article highlights developing and constructing of free and unbounded beaches as an optimal coastal protection approach. Successful example of this approach was developing of coastal zone in 90s, in Gagra (West Georgia), Black Sea. Positive impact of this kind of artificial beach still survives. In the thesis, it is presented an attempt to scientifically prove extrapolation-traduction on the other similar coasts of the recovery of Gagra Zone beach. Based on morphodynamic analysis and comparison, according to the priorities of major features of reinforced coasts, it turned out that coast of three similar objects (Gagra, Ochamchire and Sokhumi) show homogenous aspects. Scientific expediency of providing extrapolation on other similar objects of etalon objects i.e. Gagra Beach recovered by successful coastal protection experiment. Thereby, for the purposes of creating free-artificial beach, choosing of wrecking zone of Ochamchire is based on coastal protection effectiveness and economical principals, including technical-economical effectiveness.

关键词： Georgia Black Sea Coast Beach Coastal Protection Extrapolation Analogue-Object

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Ranking of Feijoa (FEIJOA Sellowiana) in Subtropical Humidified Zone of Adjara and Forest Ecosystem by Multiple-Factor Approach

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Open Journal of Forestry 2021年第1期11卷 1-13页

作者： Zurab Seperteladze Eter Davitaia melor alpenidze George Gaprindashvili Roman Maisuradze Guram Memarne Neli Khalvashi Nino Kedelidze Tamar Aleksidze Nino Rukhadze Tamar Khardziani Department of Geography Ivane Javakhishvili Tbilisi State University Tbilisi Georgia Department of Geography Sokhumi State University Tbilisi Georgia Department of Geology National Environmental Agency Tbilisi Georgia Institute of Phytopathology and Biodiversity Batumi Shota Rustaveli State University Batumi Georgia

It was elaborated a method of agro-ecosystem ranking for feijoa culture and forest ecosystem in one of regions of Western Georgia—Adjara subtropical humidified zone. On the basis of mineralogical and morphometric analysis (biometric parameters, beginning and end of growth, beginning of fruit ripening and mass ripening, frost resistance etc.) of feijoa culture (Feigoa selliowiana) and by multiple-factor approach we have evaluated culture’s rational disposition and optimal environment for development of land. The main accent was made on geomorphological (relief, inclination, exposition) and agro-climatic (sum of active temperatures, hydrothermal coefficient, temperature conditions, physical and chemical features of soil) factors. As a result of implemented zoning a landscape zone with agricultural resources potential and hypsometrical levels optimal for development of feijoa culture was revealed. During the research we also revealed corresponding agro-eco- system zone, compatible with feijoa zone, evaluation of quality of forest land and determination of ecosystem and its indicating character. For determination of compatibility of feijoa plants and distribution of forest ecosystem we have created a map of large-scale ecosystems and geo-information system. By Cartometric and geographic-informational analysis, it became possible to find information about types of forest ecosystems, areas occupied by them and their share in researched zone.

关键词： Agriculture Forestry Resource Potential Control Sorts Geography GIS

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