Increasing the natural production of Chironomidae in fish pools using light and bed manipulation

Document Type : article

Authors

1 Head of Specialized Research Station of Aquatics Nutrition and Live food

2 shilat

3 anzali

Abstract

By examining the eye, magnitude and microscopy of each aquatic ecosystem, many species can be studied, among which the larvae of Chironomidae are also considered as aquatic in terms of natural production in the pyramid, and, according to the nutritional conversion factor And the vertical migration from the floor to the surface of the fish farming pool serves as an indicator of the quality of oxygen in the pool bed. Therefore, due to their abundance in domestic aquatic environments and their high nutritional value, their population growth in soil pools was investigated through nesting and the use of optical and organic materials. The highest number of larvae from the nesting area and the lowest number of larvae from the shrubby region were obtained from lesser light, and it was recommended to increase the larvae of the shrubby in swimming pools of fish and shrimp.

Keywords