2000
DOI: 10.1016/s0075-9511(00)80049-3
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Spatial and seasonal variations of phytoplankton populations in the upper region of the Euphrates River, Iraq

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Cited by 24 publications
(21 citation statements)
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“…Although the tolerance of individual species varies, pH values between 6.5 and 8.5 usually indicate good water quality and this range is typical of most major drainage basins of the world. pH values in this study ranged between 7.1-8.4 indicating that the water sampler are almost neutral to sub-alkaline in nature [23] and agree with Iraqi published data [24,25]. The hydrogen ions entering a drainage basin in rainwater are neutralized by carbonate and silicate minerals as water percolates through soils.…”
Section: Resultssupporting
confidence: 88%
“…Although the tolerance of individual species varies, pH values between 6.5 and 8.5 usually indicate good water quality and this range is typical of most major drainage basins of the world. pH values in this study ranged between 7.1-8.4 indicating that the water sampler are almost neutral to sub-alkaline in nature [23] and agree with Iraqi published data [24,25]. The hydrogen ions entering a drainage basin in rainwater are neutralized by carbonate and silicate minerals as water percolates through soils.…”
Section: Resultssupporting
confidence: 88%
“…In the present study, 25 species of algal flora were new records for Iraqi algal flora according to (Maulood et al, 2013), four belong to Cyanophyta, eleven belong to Chlorophyta, seven belong to Euglenophyta, two belong to Chrysophyta, and one belongs to Pyrrophyta. As in this study, the dominancy of Chlorophyta over Cyanophyta was also observed by (Aziz, 1997, Al-Saadi et al, 2000, Bapper, 2004, Goran, 2006, Zewayee, 2011, Hamadamen, 2015 this is may be due to the environmental condition and water properties of the area which is hard and alkaline toward neutrality and the recording of such new species contributed to the habitat and nature of the study ponds, which was the first study carried out in the area (Aziz, 2011). However, a contrast sequence observed by (Al- Barzingy, 1995) which recorded the dominancy of Cyanophyta due to environmental stress especially temperature.…”
Section: Resultssupporting
confidence: 81%
“…In the Tigris River, chlorophyll‐ a concentrations were found to be lower compared to Chl‐ a values of other large European rivers, such as the Trent, Thames, Elbe, Rhine, Ebro, Meuse, and Po (Admiraal et al, ; Desortova, Prange, & Puncochar, ; Gosselain, Hamilton, & Descy, ; Ruse & Hutchings, ; Skidmore, Maberly, & Whitton, ; Tavernini et al, ; Tornes et al, ). The Euphrates River in Iraq had a mean Chl‐ a concentration of 9.3 μg/L, which was similar to the Tigris River with a mean Chl‐ a concentration of 7.75 μg/L (Al‐Saadi et al, ). The River Emajogi in Estonia had similar Chl‐ a levels to the Tigris River, whereas the River Adige in Italy had lower Chl‐ a levels (Piirsoo et al, ; Salmaso & Braioni, ).…”
Section: Discussionmentioning
confidence: 88%
“…Bacillariophyta and Chlorophyta were also dominant phytoplankton groups in other rivers of Turkey (Altuner & Gürbüz, ; Aygün, ; Öterler, ; Öterler, Kırgız, & Albay, and Soylu & Gönülol, ). In addition, the Tigris phytoplankton exhibited great similarities with those of other large European and Asian rivers, such as the Po, Ebro, Sava, Meuse, Danube, Tees, Euphrates, and Yangtze (Al‐Saadi, Kassim, Al‐Lami, & Salman, ; Descy et al, ; Holmes & Whitton, ; Simic et al, ; Tavernini et al, ; Tornes et al, ; Veraszto et al, ; Zeng, Song, Yu, & Chen, ). In these large rivers, Bacillariophyceae and Chlorophyta were also recorded as the dominant groups.…”
Section: Discussionmentioning
confidence: 99%