International Journal of Progressive Sciences and Technologies

Samuel FOTO MENBOHAN
University of Yaounde 1, Faculty of Science, Laboratory of Hydrobiology and Environment P.O. Box 812 Yaounde, Cameroon,
Cameroon

University of Yaounde 1, Faculté if of Science. Ph.D student's

Mathias NWAHA
University of Yaounde 1, Faculty of Science, Laboratory of Hydrobiology and Environment P.O. Box 812 Yaounde, Cameroon,

Eric Belmond BIRAM à NGON
Hydrological Research Centre, Institute of Geological and Mining Research, P.O. Box 4110 Yaounde, Cameroon,

Jean DZVI
Hydrological Research Centre, Institute of Geological and Mining Research, P.O. Box 4110 Yaounde, Cameroon,

Rita Cecile BOUDEM
University of Yaounde 1, Faculty of Science, Laboratory of Hydrobiology and Environment P.O. Box 812 Yaounde, Cameroon,

Paul Bertrand SOB NANGOU
University of Yaounde 1, Faculty of Science, Laboratory of Hydrobiology and Environment P.O. Box 812 Yaounde, Cameroon,

Donald-l’or NYAME MBIA
University of Yaounde 1, Faculty of Science, Laboratory of Hydrobiology and Environment P.O. Box 812 Yaounde, Cameroon,