Effects of environmental deterioration on Northeast Anatolia Trout (Salmo spp.) Populations

In this study, the possible effects of overfishing pressure on local Salmonid populations and critical environmental changes that have occurred in wild habitats been deteriorating since beginning 21st century were investigated Northeast Anatolia. research, methods including quantitative qualitative impact assessments used to determine anthropogenic effects. addition numerical data, observations stream its surroundings recorded. As a result, it has determined natural trout populations, distributed limited middle upper parts studied rivers, decreased considerably, especially number individuals who reached breeding age reduced high level. It localities where research was conducted under great pressure, end 20th century, due infrastructure works, urbanization, illegal fishing. basins are quite damaged. The significantly.