Research Article

Assessment of the Trophic Status of the South Lagoon of Tunis (Tunisia, Mediterranean Sea): Geochemical and Statistical Approaches

Table 1

Statistical summary of physicochemical parameters and nutrients in South Lagoon of Tunis.

Depth (m)T (°C)pHDO (mg/L)Salinity (‰)Conductivity (S/cm)SPM (mg/L)NH4+ (mg/L)NO2 (mg/L)NO3 (mg/L)Ortho-P (mg/L)Chl-a (µg/L)Pheo (µg/L)Turbidity (100 NTU)Transparency (m)

July campaignMinimum228.88.48348.356.80.0250.0710.0799.2952.1291.1084.42481.3
Maximum5.4308.954.449.157.70.0430.1170.09514.4292.4093.3248.759242
Average2.929.58.723.548.657.10.0340.0880.08711.5932.2752.1376.23015.71.5
February campaignMinimum1.815.18.56.247.555.90.0190.0430.5503.0701.6010.9970.59811.5
Maximum4.217.58.941148.456.90.0320.0520.90115.5802.9582.6592.72691.8
Average2.715.98.73848.156.60.0270.0460.6439.4231.7901.9941.61241.6
Gulf of Tunis (July)22.77.576.943.551.10.2440.111.3750.465
Nonpoint source24.77.553.96.17.120.2910.39911.0631.283
Point sources24.77.633.951.851.80.0180.06311.2651.243