S.No Study Area Mish size (mm) Zooplankton Copepods Cladocera Cirripede larvae References 1 Shatt Al-Arab 0.090 110 - 2047 30 - 1322 0.3 - 229 0 - 187 Ajeel et al. [47] 2 Shatt Al-Arab 0.090 70 - 27670 61-20067 4 - 10854 0 - 1802 Al-Zubaidi [48] 3 Shatt Al-Arab 0.120 76 - 12297 - - - Ajeel [14] 4 Shatt Al-Arab 0.120 6671 - 28064 4419 - 25821 0 - 24 269 - 1075 Morad [49] 5 Garma Marshes 0.050 640 - 16000 - - - Al-Saboonchiet al. [9] 6 Al-Huwaiza Marsh 0.120 61 - 3309 38 - 3155 0.4 - 72 0 - 30 Ajeel et al. [21] 7 Al-Huwaiza Marsh 0.055 4125 -124630 - - - Hussainet al. [50] 8 Al-Huwaiza Marsh 0.055 193160 - - - Al-Sodani, et al. [51] 9 Al-Huwaiza Marsh   21 - 9817 7 - 1727   0 - 261 Salman et al. [3] 10 Al-Izze river 0.120 188 - 2714 168 - 2659 10 - 290 0 - 5 Ajeel et al.[21] 11 BasrahMarshes 0.120 52 - 2115 8 -1191 0.4 - 235 1.2 - 1287 Ajeel et al. [21] 12 Garmat Ali River 0.090 447 - 45291 - - - Ajeel et al. [47] 13 Al- Chabaish Marsh 0.020 47860-229860 1900 - 39960 - - Al-Qarooni [19] 14 Al- Hammar Marsh 0.020 5150-103580 - - - Al-Qarooni[19]   Al- Hammar Marsh 0.055     - - Hussainet al. [50] 15     3915 -108585 -       16 Al- Hammar Marsh 0.055 120060 - - - Al-Sodaniet al. [51] 17 Al- Hammar Marsh 0.120 197 - 8673 41 - 1361 61 - 6354 0 - 2697 Salman et al.[3] 18 Al- Hammar Marsh 0.090 717 - 1209879 79 - 40204 111 - 1095 79 - 1185628 Present study 19 Al- FuhudMarshe 0.020 25100-425450 - - - Al-Qarooni [19] 20 Suq Al Shuyuak Marsh 0.055 2350 – 71925 - - - Hussainet al. [50] 21 Suq Al Shuyuak Marsh 0.055 94310 - - - Al-Sodani, et al.[51] 22 Central Marsh 0.120 99 - 42655 48 - 20450 1 - 4983 0 - 47 Salman, et al. [3]

Table 3: Density of zooplankton, Copepods, Cladocera and Cirripede larvae (ind/m3) in different stations at Marshes and Shatt Al-Arab River.