Stock assessment and fish production in the Shadegan wetland in Khuzestan provinces

Stock assessment and production of fish species was carried out from November 2008 to October 2009 in the Shadegan wetland. Samples were collected from at seven stations، Mahshar، Rogbe، Khorosy، Canal، Ateish، sarakhieh and Abadan road in the Shadegan wetland in Khuzestan provinces. During one year study were measured more than 2000 specimen fish and depletion method was used for fish stock assessment. Maximum and minimum biomass (season) was measurement in Spring (249. 61 kg/ha/year) and winter (157. 90 kg/ha/year) respectively. Maximum and minimum fish biomass (species) and fish production (species) were Cyprinus carpio، Thrssa ilisha and Barbus luteus، Thrssa ilisha respectively. Fish production and biomass in wetland Shadegan were estimated 130. 41 (kg/ha/year) and 197. 7 (kg/ha/year) respectively.