L'Oxygene Dissous dans une Lagone Eutrophisee a Salinite Variable (Etang de Berre;Mediterranee Nord-Occidentale) et dans les Eaux Douces et Marines Adjacentes

北西地中海에 위치하며 염도변화가 심한 부영양화 湖水 Etang de Berre 와 隣接淡水. 海水의 溶存酸素量 硏究

Variations of dissolved oxygen were studied for two years in two brackish lakes, Etang de Berre and Etang de Vaine related to the north-west Mediteranean Sea. The variations also were studied at the same time in nearby seawater, and in the four main tributaries of Etang de Berre. The distributions of dissolved oxygen values and their spatio-temporal variations were well matched with the characteristics of the water masses in different environments. The concentration of dissolved oxygen and the rate of oxygen saturation in seawater (Carry-le-Rouet) ranged from 5.0 to 6.0 ml.1$\^$-1/, and from 95 to 105%, respectively. The amount of dissolved oxygen in Etang de Berre oscillated between 0.17 and 11.43 ml.1$\^$-1/ with an average of 7.40ml1$\^$-1/.The rate of oxygen saturation oscillated between 2.9 and 168.3%. Annual values of the four tributaries are as follows (ml.1$\^$-1/ and %): Durance:8.68 and 113.6;Arc : 6.87 and 95.3;Touloubre: 6.87 and 91.0;Durancole;6.36 and 96.8 The data for the evolutions of dissolved oxygen in Etang de Berre on the period between 1965 and 1978 are presented. A rather good negative correlation links oxygen with temperatures.

北西 地中海에 位置한 Etang de Berre 와 이곳에 流入되는 4개 하천 및 이웃 한 Carry-le-Rouet 海域에서, 1976年 12月까지 용존산소량의 농도와 포화도의 시공간적인 分布가 생태학적 한 요인으로서 조사. 연구되었다.