Macroalgae,nutrient cycles,and pollutants in the Lagoon of Venice |
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| Authors: | A Sfriso B Pavoni A Marcomini A A Orio |
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| Institution: | 1. Department of Environmental Sciences, Calle Larga S. Marta 2137, 30123, Venezia, Italy
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| Abstract: | The Lagoon of Venice is a wide, shallow coastal basin that extends for about 50 km along the northwest coast of the Adriatic Sea. The lagoon has been substantially modified through the actions of man over the last century through the artificial control of the hydraulic dynamics of the laggon including the construction of channels to facilitate navigation. The lagoon is subjected to considerable pollutant loading through the drainage of land under cultivation, municipal sewage, and industrial effluents. In this paper are reported the results of observations designed to document recent changes in macroalgal species composition, seasonal cycles of primary producers and nutrient levels, and the effects of the macroalgal community on concentrations of organic and inorganic pollutants. The dominant macroalgae in the lagoon wasUlva rigida, and the levels of plant nutrients and pollutants were influenced by the seasonal cycles of the macroalgal community. |
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