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Abstract

Potamogeton pusillus is reported from Iraqi wetlands in two sites of Shatt al-Arab River and Al-Hawizeh marshes after its disappearance in 2003. This research also aimed to study the habitat, growth, distribution, and ecological condition in the collected area as well as providing SEM/EDX to determine the elemental composition of the plant leaf. The samples collected in 2019 from Shatt al-Arab and Al-Hawizeh, southern Iraq. Physical and chemical parameters of the water were measured as well. Concentrations of Na, K, Ca, Mg and total hardness were measured using Ethylenediaminetetraacetic acid (EDTA) method. Flame photometry method was used to determine Na+ and K+ ions. PO4, Cl and NO3 were determined by spectrophotometry method. Trace elements were measured in the leaves of P. pusillus by SEM-EDX. The results showed that the soil was loam clay with neutral to slightly alkaline conditions and low conductivity values were typical for these moderately closed systems. The concentrations of Ca and Mg in the water were high (538 and 212 mg/l, respectively). Salinity and dissolved oxygen were 3.5 ppt and 7.48 mg/l, respectively. PO4was 0.64 mg/l, and average turbidity 16.9 NTU. Those of the Shatt al-Arab River have more carbon (58.10%) and oxygen (40.14%), but no F, Mg, Zn, and Sm; The samples of Al-Hawizeh had lower oxygen (40.12%) and carbon (35.79%). The results showed moderate amounts of Na in Al-Hawizeh and Shatt al-‎Arab (5.97and 0.61%, respectively). Mg (2.37%), Cl (1.12%), K (0.88%) and carbon were found at trace levels. Potamogeton pusillus can accumulate pollutions found in its habitat even containing levels of salinity. It can be concluded that the pollution by oil pipelines beneath the water in the Shatt al-Arab region have stunted growth, P. pusillus plant, the leaves was fewer in number and smaller in size. The concentrations of F, Na, and Mg were higher in the Al-Hawizeh group.

Keywords

Al-Hawizeh Elements analysis SEM-EDX Shatt al-‎Arab.

Article Details

How to Cite
AL-SAADI, S. A. A.-A. M., SABBAR, A. A., & Al-TAIE, S. S. K. (2021). Elemental analysis of Potamogeton pusillus leaves from shatt al-arab river and al-hawizeh marshes in southern Iraq. Iranian Journal of Ichthyology, 8, 38–45. Retrieved from https://ijichthyol.org/index.php/iji/article/view/01006

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