Impact of Hindiya Dam on Rotifera Community of Euphrates River on the Northern of Babil Governorate, Iraq

Al-Bahathy, Idrees A. A.; Nashaat, Muhanned R.

doi:10.24996/ijs.2021.62.9.4

Cited by 4 publications

(4 citation statements)

References 19 publications

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“…As for the spatial changes in the rotifera species richness index values, they were recorded the highest on site 1 which could be due to many aquatic plants. Whereas their decrease in site 3 could be linked to high turbidity or lack of food [39]. The current study concluded that the low flow of the GGDC water helped to increase rotifera assemblage.…”

Section: S1mentioning

confidence: 55%

Biodiversity and Structure of Rotifera Communities in the Great Garraf Drain Channel, Southern Iraq

Al-Safi

Majeed²,

AL-Sariy³

2022

eijs

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Three sites, selected on the Great Garraf Drain Channel (GGDC) demonstrated the first ever study dealing with rotifers biodiversity features from August 2019 till July 2020. Seventy-two taxonomic units were identified. The high densities of rotifera ranged from 733.32 - 32300 Ind./m3. Brachionus urceolaris, Keratella quadrata (long spin), Keratella quadrata (short spin) and Syncheta obloga were the most common relative abundance recorded in the index. In contrast the results of the constant index showed that there were nine constant taxonomic units. The species richness index was recorded from 1.489- 6.900. Jaccard presence similarity index revealed a strong link between stations 2 and 3 with a value of 83.30%. Hereinafter Shannon-Weiner diversity index recorded values ranging from 0.821-2.901 bit/Ind. The species uniformity index ranged from 0.296- 0.925. Nevertheless, the values of this index indicated no environmental stress on rotifera assemblage in the river environment. Also, it was concluded that GGDC was considered generally ranging from moderately polluted in some sites to highly polluted water in other locations during the study period.

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Section: S1mentioning

confidence: 55%

Biodiversity and Structure of Rotifera Communities in the Great Garraf Drain Channel, Southern Iraq

Al-Safi

Majeed²,

AL-Sariy³

2022

eijs

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“…(3) (2) where: Q Sm < 0.1 -toxicity risk is negligible; 0.1 < Q Sm < 0.5 -the risk is low, but the nonhazardous sediments must be checked; Q Sm > 0.5 -risk is non-negligible, and it is a possible hazard for aquatic life.…”

Section: Sediment Quality Criteriamentioning

confidence: 99%

Environmental Assessment of Sediment Quality for the Main Outfall Drain and Al-Sanaf Marsh

Al-Bahathy,

Al-Janabi,

Al-Hassany

et al. 2024

Ecol. Eng. Environ. Technol.

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This study evaluated the sediment quality of the Main Outfall Drain River in Thi-qar Government by measuring (Mn, Ni, Pb, Fe, Cr, Zn, Cd and Cu) in the sediments. Samples were collected at 4 locations between the summer of 2021 and the winter of 2022, and the results revealed that the heavy metal dominance in the Main Outfall Drain and Al-Sanaf Marsh was in the order of Fe> Mn> Ni> Zn> Cr> Pb>Cu>Cd. Among these sedimentary contaminants, Fe has the highest level in sediments. Two indices were used: sediment quality criteria (QSm) and pollution index (PI). All sites were in the third class of QSm (a possible hazard for aquatic life) because QSm> 0.5. The lowest value is recorded in site 4, and the highest value is located in site 3. The results of PI of Zn and Cu show no effected by pollution to slightly affected in all sites, Cr exhibits the same pattern as Zn and Cu except for site 3 was moderately affected in winter, while Pb caused moderate pollution effect in all sites, except site 2 and site 3 which were slightly affected in winter. Mn, Cd and Fe were seriously affected by pollution in all sites. Pollution index values of most metals (except Fe and Cr) were higher in summer than in winter, probably due to the observed dilution of the metals with anthropogenic origin by rain, leading to lower values in winter. At the same time, Fe and Cr were higher in winter than in summer due to being mostly of terrestrial origin, derived from runoff of the nearby soil by rain. The results show that the sediments of the main outfall drain suffer from large quantities of heavy metals, mainly from site 3, which may be due to receiving industrial effluent, sewage and irrigation water from the governorates through which it passes.

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“…Rotifers have shown dominance in most studies, which is due to their small size, short life cycle, and tolerance to the environmental factors, as well as for the fact that they are opportunistic species that are capable of swallowing microorganisms like bacteria and detritus [11]. Many studies, such as those of Al-Bahathy and Nashaat [12], recorded highest density of rotifers in the Euphrates River near Hindiya Dam during winter. While the study of Salman et al [13] in Al-Gharraf River recorded the highest density during spring and summer.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Effects of Tigris River Water Quality on the Rotifers Community in Northern Baghdad by using the Canadian Water Quality Index (CCME-WQI)

Abed

Nashaat²,

Mirza

2022

eijs

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The water quality index was used for the evaluation of the quality of water, as well its impacts on the rotifer abundance, in the Tigris River as it passes through Mishahda City, northern Baghdad. Five sites were selected and samples were collected during October 2019 to September 2020. It was noticed that the index values in most sites have exceeded the upper limits of river waters. The values ranged from 40 (Poor) to 45 (Marginal) in all sites. While, the values were from 42 (Poor) to 65 (Fair) during different seasons. As for drinking usages, the results demonstrated poor or undrinkable (31-40) water in all sites. Meanwhile, the values ranged from 39 (Poor) to 56 (Clear) in regard to seasons. The index values recorded for the purpose of Conservation of Aquatic Organisms ranged from 36 (Poor) to 66 (Fair) in the all sites, and 56 (Clear) to 69 (Fair) during different seasons. Twenty five rotifer species were recorded, including 11, 2, 1, 5, 2, 1, 2, and 1 species of Brachionidae, Euchlanidae, Gastropodidae, Lecanidae, Lapadellidae, Notomanatidae, Synchoetidae, and Trichotoidae, respectively. It is concluded that the water of the Tigris on Mishahda City is considered to be highly contaminated and not suitable for human consumption without the necessary treatment. It was also noticed that the population density of the rotifers community was affected by the river water quality. However, despite the presence of environmental pressures, the rotifers continued to reproduce and conserve.

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Impact of Hindiya Dam on Rotifera Community of Euphrates River on the Northern of Babil Governorate, Iraq

Cited by 4 publications

References 19 publications

Biodiversity and Structure of Rotifera Communities in the Great Garraf Drain Channel, Southern Iraq

Biodiversity and Structure of Rotifera Communities in the Great Garraf Drain Channel, Southern Iraq

Environmental Assessment of Sediment Quality for the Main Outfall Drain and Al-Sanaf Marsh

Evaluation of the Effects of Tigris River Water Quality on the Rotifers Community in Northern Baghdad by using the Canadian Water Quality Index (CCME-WQI)

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