Dr. Branko Jovčić,2025-08-122025-08-12https://dspace.academy.edu.ly/handle/123456789/1712follows the same approaches to maintain its living requirements(Zhao et al., 2012).. The diversity of bacteria regulated by certain factors that can be divided into types, biotic and abiotic. The physical and chemical elements include the following: pH, temperature, chemical pollution, heavy metals, pesticides, oxic/anoxic conditions and water availability have their effects on the microbial diversity to some different extent and by a variety of means which is known as abiotic impact (Bååth et al., 1998). While the factors that affect the nucleic acid and transport of genetic characteristics are known as abiotic elements. (Zhao et al., 2012). The bacterial identification and classification approaches have undergone many developments over the last century, including the biochemical and conventional methods that determine the shape, morphology, motility,The microorganisms’ carryout seems to be an important key for the future of agriculture, food and medical industries. Despite the enormous number of research and discoveries has been carried out in the light of bacteria during the last decades, our knowledge of bacteria living in the surrounding ecosystem is still limited. In one gram of soil or milliliter of sea; water millions of bacteria can be encountered, through the use florescent microscope after being stained by a florescent dye (Torsvik et al., 1990). Bacteria’s ability to survive and develop mechanisms to tolerate the harsh living condition varies from one species to another. In other words, some of which are able to perform certainBacterial diversityBacterial diversity in sediments of selected western Balkans glacial lakes