Table 3

Trophic status of some Tunisian reservoirs stocked with mullet's fry.

  Carlson and Simpson, 1996 Burns and Bryers, 2000  OCDE, 1982       



Hydrological basins Reservoirs TSIC Trophic status TSIB Trophic status Chl a Trophic status PT Trophic status References
North East L 52.57 Eutrophic 4.55 Eutrophic 1.21 Oligotrophic 180 Hypertrophic El Herry, 2008
  BM 64.52 Eutrophic-hypereutrophic 5.70 Supertrophic 6.86 Mesotrophic 230 Hypertrophic Fathalli, 2012
Extreme North Ichkeul J 62.59 Eutrophic-hypereutrophic 5.48 Supertrophic 3.38 Mesotrophic 950 Hypertrophic Limama, 2003
  S 53.55 Eutrophic 4.57 Eutrophic 0.66 Oligotrophic 218 Hypertrophic Bel haj Zekri, 2003
Madjerda SSM 55.79 Eutrophic 4.73 Eutrophic 5.11 Mesotrophic 100 Eutrophic Ben Romdhane, 2015
  BMt* 54.36 Eutrophic 4.66 Eutrophic 4.94 Mesotrophic 57 Eutrophic Sellami et al., 2010
Central west N 52.86 Eutrophic 4.68 Eutrophic 5.20 Mesotrophic 60 Eutrophic Sellami et al., 2016
  SS* 55.66 Eutrophic 4.81 Eutrophic 6.8 Mesotrophic 55 Eutrophic Sellami et al., 2010

L: Lebna; BM: Bir Mcherga; J: Joumine; S: Sejnene; SSM: Sidi Salem; BMt: Béni Mtir; NB: Nabhena; SS: Sidi Saâd.

TSIC. Carlson and Simpson index 1996; TSIB. Burns and Bryers index 2000.

* Values calculated from Chl a and PT (Sellami et al., 2010).

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