Circulation and fertility of waters in Concepcion Bay |
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| Authors: | Ahumada B. Ramón Rudolph G. Anny Martinez M. Victorino |
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| Affiliation: | 1. Departamento de Biología y Tecnología del Mar, Pontificia Universidad Católica de Chile, Sede Talcahuano, Casilla 127 Talcahuano, Chile;2. Departamento de Química, Pontificia Universidad Católica de Chile, Sede Talcahuano, Casilla 127 Talcahuano, Chile |
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| Abstract: | The spatial and temporal distributions of oxygen, nutrients and pigments in the waters of Concepcion Bay, Chile (36°40′S, 73°01′W) are described for 1978–1979. Analysis of the seasonal fluctuations shows the upwelling of water poor in oxygen and rich in nutrients inside the bay during summer. The upwelled water fertilizes the bay and produces progressive eutrophication, causing mass mortalities, discoloured water and mineralization of organic matter. |
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| Keywords: | upwelling nutrients seasonal cycles benthic environment sediments Chile |
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