Economic evaluation of aqua-agriculture reservoires in Golestan Province in 2010

This paper undertakes a preliminary evaluation of economic impact of aqua-agriculture reservoirs in Golestan Province with different size classes. The method of information gathering in this research has been in method census from 39 of aqua-agriculture reservoirs in 4 classes (25 ha.) that information necessary to complete questionnaire has prepared. Results showed that fish fingerling propration, and rent were 35.61 and 23.08% of cost (variable cost), and salary 9.41% (fixed cost). The lowest cost and highest benefit per hectare were observed in up to 25ha. However, continued development of aquaculture and fish fingerling propration from nearest of propagation centers will have a significant economic impact into future in Golestan province.