Home Articles List Article Information
Egyptian Journal of Aquatic Biology and Fisheries
Journal Archive
Volume Volume 29 (2025)
Volume Volume 28 (2024)
Volume Volume 27 (2023)
Volume Volume 26 (2022)
Volume Volume 25 (2021)
Volume Volume 24 (2020)
Volume Volume 23 (2019)
Volume Volume 22 (2018)
Volume Volume 21 (2017)
Volume Volume 20 (2016)
Volume Volume 19 (2015)
Volume Volume 18 (2014)
Volume Volume 17 (2013)
Volume Volume 16 (2012)
Volume Volume 15 (2011)
Volume Volume 14 (2010)
Volume Volume 13 (2009)
Volume Volume 12 (2008)
Volume Volume 11 (2007)
Volume Volume 10 (2006)
Volume Volume 9 (2005)
Volume Volume 8 (2004)
Volume Volume 7 (2003)
Volume Volume 6 (2002)
Volume Volume 5 (2001)
Volume Volume 4 (2000)
Volume Volume 3 (1999)
Volume Volume 2 (1998)
Volume Volume 1 (1997)
et al., A. (2025). Temporal and Spatial Changes in Organic Pollution Levels Using the Organic Pollution Index (OPI) in Khor Al-Zubair, Southern Iraq. Egyptian Journal of Aquatic Biology and Fisheries, 29(4), 691-701. doi: 10.21608/ejabf.2025.441420
Ali et al.. "Temporal and Spatial Changes in Organic Pollution Levels Using the Organic Pollution Index (OPI) in Khor Al-Zubair, Southern Iraq". Egyptian Journal of Aquatic Biology and Fisheries, 29, 4, 2025, 691-701. doi: 10.21608/ejabf.2025.441420
et al., A. (2025). 'Temporal and Spatial Changes in Organic Pollution Levels Using the Organic Pollution Index (OPI) in Khor Al-Zubair, Southern Iraq', Egyptian Journal of Aquatic Biology and Fisheries, 29(4), pp. 691-701. doi: 10.21608/ejabf.2025.441420
et al., A. Temporal and Spatial Changes in Organic Pollution Levels Using the Organic Pollution Index (OPI) in Khor Al-Zubair, Southern Iraq. Egyptian Journal of Aquatic Biology and Fisheries, 2025; 29(4): 691-701. doi: 10.21608/ejabf.2025.441420

Temporal and Spatial Changes in Organic Pollution Levels Using the Organic Pollution Index (OPI) in Khor Al-Zubair, Southern Iraq

Article 37, Volume 29, Issue 4, July and August 2025, Page 691-701  XML PDF (455.49 K)
DOI: 10.21608/ejabf.2025.441420
View on SCiNiTO View on SCiNiTO
Author
Ali et al.
Abstract
The organic pollution index (OPI) was employed to assess the temporal and spatial variations of organic pollutants in Khor Al-Zubair, southern Iraq. Four key parameters (BOD5, NO3, PO4, and NH4) were analyzed from water samples collected monthly between January and December 2024 at three monitoring stations. The annual OPI values showed a descending trend, with the highest value recorded at Station 1 (194.42), followed by Station 2 (157.54), and the lowest value at Station 3 (151.54). Spatial and temporal OPI values fluctuated significantly, ranging from a peak of 324.27 at Station 1 in January (classified as very poor) to a minimum of 26.58 at Station 3 in April (classified as good). Station 1 consistently exhibited the highest OPI values alongside elevated concentrations of BOD5, NO3, PO4, and NH4 throughout most months. The study confirmed the presence of serious organic pollution in the water, particularly at Station 1. This is primarily due to the discharge of large quantities of untreated sewage from the Hamdan Wastewater Treatment Plant and the Shatt al-Basra Canal into the Khor al-Zubair waterway, in addition to numerous human activities.
Keywords
Khour; Al-Zubair; Organic pollution index; Water pollution
Statistics
Article View: 108
PDF Download: 158