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pH, dissolved oxygen, oxidizable organic matter, as well as nutrient salts (NH4, NO2, NO3, PO4, and SiO4) were studied in the water of western coast of the Mediterranean Sea in Egypt (west of Alexandria) at different depths ranging from 0-200 m depth for inshore and offshore stations during winter (31 January to 5 February) and summer (3-10 September), 2006. During the last three decades, many touristic cities were constructed along the study coastal area. These coastal areas are exhibiting sings of stress, population pressures, and coastal development may lead to: declining fisheries, proliferation of harmful algal blooms nourished by sewage and agricultural run off close to beaches harming fish and causing health problems. Thus, this paper aimed to assess the eutrophication level in the study area.

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