Table 6.

Uptake and accumulation of metals by some algal species (Chekroun and Baghour 2013).

Metal	Species
Gold (Au) Cobalt (Co) Nickel (Ni) Lead (Pb)	Ascophyllum nodosum
Boron (B)	Caulerpa racemosa
Arsenic (As)	Daphnia magna, Chlorella pyrenoidosa and Spirogyra hyaline
Nickel (Ni)	Oscillatoria sp., Spirogyra sp., Anabaena variabilis, Aulosira sp., Nostoc muscorum, Oscillatoria sp., and Westiellopsis sp.
Zinc (Zn)	Laminaria japonica, Fucus vesiculosus
Cadmium (Cd)	Micrasterias denticulate, Scenedesmus acutus, Chlorella vulgaris, Chlorella pyrenoidosa, Spirogyra hyaline, Fischerella sp., Lyngbya spiralis, Tolypothrix tenuis, Stigonema sp., Phormidium molle, Lyngbya heironymusii, Gloeocapsa sp., Oscillatoria jasorvensis, and Nostoc sp.
Cromium (Cr)	Phormedium bohner, Anabaena variabilis, Aulosira sp., Nostoc muscorum, Oscillatoria sp. and Westiellopsis sp., and Chlorella minutissim
Strontium (Sr)	Platymonas subcordiformis
Copper (Cu)	Sargassum filipendula, Tetraselmis chuii, Scenedesmus bijuga, Oscillatoria quadripunctulata, Spirulina platensis, Padina sp., Scenedesmus obliquus, Chlorella pyrenoidosa, and Closterium lunula
Copper (Cu) Iron (Fe) Zinc (Zn) Nickel (Ni)	Sargassum fluitans
Lead (Pb)	Sargassum natans, Spirulina (Arthrospira) platensis, Spirogyra hyaline, Dunaliella, Scenedesmus bijuga, Spirulina platensis, Oscillatoria quadripunctulata, Chlorella pyrenoidosa, Chlorococcum sp., Chlorella vulgaris var. vulgaris, Fischerella sp., Lyngbya spiralis, Tolypothrix tenuis, Stigonema sp., Phormidium molle, Lyngbya heironymusii, Gloeocapsa sp., Oscillatoria jasorvensis, Nostoc sp., and Scenedesmus acutus, Sargassum vulgare.
Cadmium (Cd), Mercury (Hg), Lead (Pb), Arsenic (As), and Cobalt (Co)	Spirogyra hyalina
Arsenic (As)	Tetraselmis chuil