ASSESSING OF TROPHIC STATUS FOR SHATT AL-ARAB ESTUARY AND IRAQI MARINE WATERS

During the months of January to December 2019, the nutritional status of the waters of the Shattal-Arab estuary and Iraqi marine waters was investigated using the trophic state index (TSI) andan average assessment mesotrophic of the two above-mentioned environments using three factors:total phosphorous, water transparency and chlorophyll-a, were chosen three stations, The thirdstation had the highest value of the directory, 49.9 in February, and the third station had the lowestvalue, 17.8 in December. with transparency, was the Maximal value in April in the third stationreached 212 cm, as well as the minimum value, reached 13 cm in November my first station.