Évaluation statistique du programme de surveillance des Grands lacs, 1966-1981, lac Érié PDF Download

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Languages : fr
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Languages : fr
Pages : 0

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« Le présent rapport est une évaluation statistique des données relatives à la qualité de l'eau du lac Érié obtenues de 1966 à 1981 dans le cadre du programme de surveillance des Grands lacs »--Résumé.

Author: A. H. El-Shaarawi
Publisher: Burlington, Ont. : National Water Research Institute, Inland Waters Directorate, Canada Centre for Inland Waters
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Category : History
Languages : en
Pages : 304

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"This report presents a statistical evaluation of the water quality data available on Lake Erie from the Great Lakes surveillance program, 1966 to 1981"--Abstract.

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Category : Canada
Languages : en
Pages : 848

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Category : Hydrology
Languages : en
Pages : 494

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Category : Government publications
Languages : en
Pages : 1350

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Author: Paul Aubin
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Category : Canada
Languages : en
Pages : 1102

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Liste signalétique des documents parus entre 1981 et 1985: livres, articles, thèses. L'organisation de la bibliographie est en trois sections: systématique (par ordre des grands sujets), analytique (par ordre des sujets particuliers), auteur (par ordre des noms avec renvois à la section systématique). Les auteurs ont intégré à l'instrument des documents non recensés dans les ouvrages couvrant les périodes antérieures: 1948-1965, 1966-1975, 1976-1980.

Author: S. Cataudella
Publisher: Food & Agriculture Organization of the UN (FAO)
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 294

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"The Mediterranean region hosts around 400 coastal lagoons, covering a surface of over 641 000 ha differing in both their typology and use. Fisheries and various forms of aquaculture have been traditionally carried out in Mediterranean coastal lagoons since ancient times and are part of the cultural heritage of the region. Traditional lagoon management linked to extensive aquaculture and fish harvesting has certainly contributed, over time, to preserve these peculiar ecosystems, although much of the coastal lagoon areas have progressively disappeared due to land reclamation and other uses. Recently, coastal lagoons have become a relevant environmental concern: land claiming, pollution and the lack of management, among other factors, have strongly modified both the structure and functioning of these sensitive coastal ecosystems. In particular, the management of traditional aquaculture and capture fisheries activities has been identified as the main instrument to maintain lagoons' ecological features and to prevent the degradation of their sensitive habitats, both from an environmental and socioeconomic point of view. To guarantee the sustainability of aquaculture and capture fisheries in lagoons, proper management plans should be established so as to ensure the preservation of both biodiversity and local knowledge. This should also be considered as a fundamental pillar for any programme aiming at the preservation and restoration of lagoons' environment."--Publisher's description.

Author: Brian W. Coad
Publisher: University of Toronto Press
ISBN: 1442647108
Category : Nature
Languages : en
Pages : 633

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Marine Fishes of Arctic Canada is an accessible and up-to-date study on the diverse marine fish population existing in Canadian waters.

Author: Martin Sterry
Publisher: Cambridge University Press
ISBN: 1108494447
Category : History
Languages : en
Pages : 765

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This ground-breaking volume pushes back conventional dating of the earliest sedentarisation, urbanisation and state formation in the Sahara.