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	Provedor de dados ArchiMer (1) Autor Bayed, A (1) Guillou, Jacques (1) Palavra-chave DONAX-TRUNCULUS (1) DONAX-VENUSTUS (1) Donax trunculus (1) Donax venustus (1) GEOGRAPHICAL DISTRIBUTION (1) Geographical distribution (1) HYDRODYNAMISM (1) Hydrodynamism (1) MOROCCAN ATLANTIC COAST (1) Moroccan Atlantic coast (1) Mais... Tipo do documento Text (1) Ano 1991 (1) País France (1) Idioma Francês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Contraintes du milieu sur les populations de Donax trunculus L. et Donax venustus Poli du littoral atlantique marocain ArchiMer Guillou, Jacques; Bayed, A. Populations of Donax trunculus and Donax venustus were sampled along the Moroccan Atlantic coast from Tanger to Tarfaya (Cape Juby) in 1986 and 1987. All the investigated beaches are surf-exposed and belong to the dissipative system. The geographical distribution of the dominant species D. trunculus appears to be obviously influenced by swell-related hydrodynamics. This phenomenon is controlled by the slope on the nearshore side of a critical 30 m depth, and can be expressed in terms of the distance from the coast of the corresponding isobath. A model of adult density distribution is based on this parameter. When the distance in question is less than 2 km, Donax are absent. The maximal densities observed are on the whole weak and suggest the limiting... Tipo: Text Palavras-chave: Donax trunculus; Donax venustus; Moroccan Atlantic coast; Geographical distribution; Hydrodynamism; DONAX-TRUNCULUS; DONAX-VENUSTUS; MOROCCAN ATLANTIC COAST; GEOGRAPHICAL DISTRIBUTION; HYDRODYNAMISM. Ano: 1991 URL: http://archimer.ifremer.fr/doc/00323/43396/43067.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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