In order to examine the effects of some physicochemical parameters on zoobenthic community structure in Porsuk Stream, seasonal samples were collected from 6 stations between 2020-2021, and also measured. Within scope study, a total 30 families, 4 Gastropoda, 1 Bivalvia, 3 Clitellata, 22 Insecta, identified. Families Tubificidae, Erpobdellidae, Chironomidae identified at each station. Dominant ...

A biological assessment of the Tang Sorkh River (Iran) was studied from July 2013 to August 2014 using benthic macroinvertebrate communities. Samples were gathered every two months, from five stations using a Surber sampler( 30×30cm), fixed in formalin (4%) and then separated and identified in the laboratory. Environmental conditions (current velocity, temperature, depth, width, dissolve oxygen...