Socio – economical impact assessment of trout (Onchorhynchus mykiss) fish culture in cages installed in the Golestan

       This project carried out between Augest in 2017 and October in 2018 in the Golestan Dam. A questionnaire was prepared from the household of 4 villages: Gharajeh, Arab Sorang, Agh Abad and Sarjeh Kor. Statistical Methods of Krumbachchr('39')s alpha were used to analyze the questionnaires. The most commonly used scale in social research is the Likert comparison were used to test the validity of the questions. Topsis method was used to investigate the power of effective factors and prioritize it. The Logit model was used to identify descriptive variables and their relationship with event occurrence and eventually an estimate of the probability of occurrence of an event for a particular person. Chi-square test was used to study the effect of gender and age on social and economic parameters. The results of model estimation using the Logit method showed that age, gender and interval variables at each level of 10%, employment at the level of 5%, and migration at the level of one percent, affect the willingness of the people. The results of weighting the criteria using the entropy method indicate that the criteria for improving the economic situation, increasing income in rural communities of the region, employment related to aquaculture, improving the lives of villagers, and increasing aquaculture employment are one of the most important social impacts of this activity. The results of this study showed that fish farming in cages of Golestan Dam can directly affect employment creation, improve economic situation in the region, tourism and reduce rural migration to cities. On the other hand, protein production can have a significant impact on the per capita consumption and nutritional health of residents.