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Hydrographical Characteristics of the Estuarine Area of Patos Lagoon (30°S, Brazil)

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Estuaries of South America

Part of the book series: Environmental Science ((ENVSCIENCE))

Abstract

The Patos Lagoon (Fig. 5.1a) situated in Southern Brazil, between 30 and 32°S is a very important water resource system for the Rio Grande do Sul State. It serves as nursery ground for important commercial fish and shrimp species sustaining a fishery production of 182 kg ha-1 yr-1 in average (Castello 1985). Major man activities are navigation and recreation. It also receives untreated domestic, agricultural and industrial sewage disposals produced by population living along the margins of the lagoon. The construction of two 4 km long jetties fixed the entrance and allowed navigation along the entrance channel. About 14 million m3 of sediments where trans-ported to the coastal zone in the first two years after the construction of these structures (Motta 1969). In recent years the channel has been constantly dredged to keep depth around 14 m.

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Authors
  1. Osmar O. Möller Jr.
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  2. Patrice Castaing
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Editor information

Editors and Affiliations

  1. Instituto Argentino de Oceanografía, CC 107, 8000, Bahía Blanca, Argentina

    Gerardo M. E. Perillo  & María Cintia Piccolo  & 

  2. Departamento de Geología, San Juan 670, 8000, Bahía Blanca, Argentina

    Gerardo M. E. Perillo

  3. Departamento de Geografía, 8000, Bahía Blanca, Argentina

    María Cintia Piccolo

  4. Instituto de Geociencias, Universidad Austral de Chile, Casilla 567, Valdivia, Chile

    Mario Pino-Quivira

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© 1999 Springer-Verlag Berlin Heidelberg

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Möller, O.O., Castaing, P. (1999). Hydrographical Characteristics of the Estuarine Area of Patos Lagoon (30°S, Brazil). In: Perillo, G.M.E., Piccolo, M.C., Pino-Quivira, M. (eds) Estuaries of South America. Environmental Science. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60131-6_5

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  • DOI: https://doi.org/10.1007/978-3-642-60131-6_5

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-64269-2

  • Online ISBN: 978-3-642-60131-6

  • eBook Packages: Springer Book Archive

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