p. 93 - 114 MAIN CLIMATIC PARAMETRES ON THE I.R. OF MAURITANIE SHELF IN 1985-1991 E. Leonte, I. Staicu, Cornelia Maxim, V. Dumitrescu, G. Radu Romanian Marine Research Institute Constanta Abstract This paper presents the evolution of the climatic and hydrobiological factors (air pressure, wind-direction-force, nebulousness, visibility, air and water temperature, sea roughness) in the East-Central Atlantic, Mauritanie shelf (16degree 04'N- 20 degree 36'N/20degree W) in 1985-1991. It also shows some anomalies which cannot be included in Pilot Books but can be described and explained in detail in specialized papers.