Research Article

Variability in the Structure of Phytoplankton Assemblages in relation to Human Disturbance in Southern Coast of Tunisia

Table 4

SIMPER results.

SpeciesGroup K (disturbed station)Group M (control station)Av. Diss.Diss./SDContrib.%Cum.%
Av. abund.Av. abund.

Coscinodiscus sp.5566.67015.471.1417.9317.93
Ostreopsis ovata 33.334566.6713.933.8916.1434.07
Coolia monotis 03844.4411.41.9813.2147.28
Prorocentrum lima 77.783666.6710.882.1112.6159.88
Nitzshoides sp.2416.6705.350.466.1966.08
Nitzschia sp.933.33122.222.581.262.9969.07
Navicula sp.1633.331444.442.481.382.8871.95
Pleurosigma sp.300838.891.971.152.2874.24
Peridinium sp.133.33538.891.491.291.7277.72
Pinnularia sp.55.56483.331.381.611.679.32
Prorocentrum rathymum 477.7801.281.341.4880.8
Karenia selliformis 40000.910.521.0681.86
Polykrikos sp.255.56338.890.91.451.0582.91
Licmophora sp.311.1100.891.491.0383.93
Chaetoceros sp.244.4400.750.620.8784.8
Anabaena sp.288.89116.670.641.430.7585.55
Protoperidinium sp.88.891500.571.280.6686.93
Gyrodinium sp.111.1161.110.540.560.6287.56
Biddulphia sp.166.6700.510.580.5988.15
Striatella unipunctata 20000.490.880.5788.72
Thalassiosira sp.166.6700.450.880.5289.23
Leptocylindrus sp.133.3300.420.570.4989.72
Scrippsiella sp.133.3300.410.710.4890.2