Özet:

The wetlands are the most important areas of the earth with their sensitive ecological structures. Each one of the wetlands is natural filters that are affecting the quality of hydrological resources positively. Although the fact there are lots of national and international institutions/organizations are active about protecting the wetlands, the wetlands have been removed as a result of industry, agriculture and urbanization with growing population. The pressure of human activities is still continuing over the rest wetlands. Sarikum lagoon which is one of Turkey's most important wetlands are protected under different statutes. Sarikum lagoon which is located at the northernmost of Turkey accepted as Nature Conservation Area by the Turkish Ministry of Forestry in 1987. The lake and its immediate surroundings are important in terms of having four life ecosystems (forest, sea, sand and lake) together. There are a total of 4 threatened species, 2 of which are threatened on a global scale (A1) and 2 of which are threatened by European scale (A2). There are also nearly 50 bird species and 522 species of plant. Therefore, it is very important that current changes in the area of such an important region are examined with current methods.In this study, changes on the coastal line of Sarikum Lagoon were examined by using landsat (1977, 1987, 1999, 2007, 2015) satellite data and unsupervised classification techniques. Speed, direction, locations and future trends of these changes have analyzed and made some inferences about trends. As a result; it was determined that the shoreline was in a constant change at least and that it was in favor of the land during the period between 1977 and 2015.

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