La pollution bacterienne des eaux littorales de la Banlieue Sud de Tunis

The authors present in this paper a study of the bacterian pollution of inshored waters of southern suburbs of tunis, on the basis of 180 samples collected in 15 different stations, 15 monthly [one for each station]. two districts have been considered: ez-zahra and hammam-life. the two districts are submitted to an important bacterian pollution, mainly due to human factor but also to geographical and geomorphological data, to physico-chemical parameters and to some biological characters

La pollution bacterienne des eaux littorales de la banlieu Nord de Tunis

The authors present in this paper a study of the bacterian pollution of inshored waters of northern suburbs of Tunis, on the basis of 180 sampled collected in 15 different stations, 15 monthly [one for each station]. Three districts have been considered: Raouad-Gammarth, La Marsa-Carthage and La Goulette. This last district is mostly submitted to the bacterian pollution, caused by its neighborhood of the lagoon of Tunis reserve of pollution and of the city of Tunis

Donnees generales sur le regime alimentaire des Gymnuridae et des Mobulidae [Pisces, Selachii]

The author gives some data and discusses about the diet of Gymnuridae and of Mobulidae based chiefly on species from Tunisian coasts

Propos sur le cycle de reproduction des poissons Selaciens

The author presents general data about the reproductive cycle of Selachian Fishes, chiefly based on species of Tunisian coasts. In this paper is also presented a discussion about the different modes of reproduction oviparity and viviparity [placental and non-placental] and their variations according to families, genus and species

Propos sur les relations ponderales et les coefficients de condition chez les poissons Selaciens

The author comments general data about the relation-ships between size versus body-weight or the weight of other organs [liver, gonads, nidamental glands.], and on the condition in the Selachian fishes mainly in the species of Tunisian coasts

Donnees generales sur le redime alimentaire des dasyatidae [Pisces, Selachii]

The author gives some data and discusses about the diet of Dasyatidae based chiefly on species from Tunisian coasts

Propos sur la fecondite des poissons selaciens

From some data about species from Tunisian coasts the author proposes method for study and evolution of fecundity of oviparous and viviparous S‚lachians Fishes

Etude bacteriologique de la qualite des eaux cotieres tunisiennes a vocation balneaire

The authors present new data about bacteriological control of coastal waters, surface and sediments, of some regions of Tunisia. They point out that mostly of prospected stations are good to bathing

Note sur la taille de premiere maturite sexuelle de rhinobatos [Linne, 1758] et de Rh cemiculus Geoffrey Saint-Hilaire, 1817 [pisces, rhinobatidae] des cotes tunisiennes

First sexual maturity size is reached by the males and the females of rhinobatos rhinobatos [linne, 1758] at 75 cm and 85 cm of total length and by the males and the females of rhinobatos cemiculus geoffroy saint-hilaire, 1817 at 1 m and 1, 10 m of total length