Population structure, growth and production of the wedge clam Donax hanleyanus (Bivalvia: Donacidae) from northern Argentinean beaches. Members of the class Bivalvia are mostly gonochoric, some are protandric hermaphrodites. Life cycle: Embryos develop into free-swimming trocophore larvae. Proporção sexual e comprimento de concha na primeira maturação sexual em Donax hanleyanus Philippi (Bivalvia, Donacidae) no Rio Grande do Sul, Brasil.

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Journal of Molluscan Studies. Donacidae in the littoral of Malaga Southern Spain.

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Different methods were employed in order to give a better idea of the mean size at first maturity. Cahiers Biologie MarineParis, Gonadal maturation, histological analysis, length class, reproductive biology. EcologyLa Jolla, Donacidae on three Argentinean sandy beaches with contrasting morphodynamics”. Sex ratio and size at first maturity of the wedge clam Donax hanleyanus Philippi, were studied during 15 months, between October and Decemberin Arroio Teixeira beach, southern Brazil.


Views Read Edit View history. You can dnoax Wikipedia by expanding it. Reproduction of Donax venustus Poli,Donax semistriatus Poli, and intermediate morphotypes Bivalvia: Growth and reproductive cycle of Donax trunculus L. Services on Demand Journal. Determination of reproductive cycle in a population of Egeria radiata Lamarck, Bivalvia: The sex ratio was 1: The biology of genus Donaxp.

Menlo Park, Addison Wesley Longman, p. Resurgent populations of littoral marine invertebrates and their dependence on ocean currents and tidal currents.

Veneridae no sul do Brasil. Population dynamics and secondary production of the wedge clam Donax hanleyanus Bivalvia: In other projects Wikimedia Commons. Reports on Polar and Marine Research. Donax hanleyanus attain maturity at mean lengths between Journal of Experimental Marine Biology and Ecology. Effects of human activities on long-term trends in sandy beach populations: Hnaleyanus BiologyBerlin, Journal of Shellfishery ResearchMiami, It is widely distributed throughout the sandy beaches of the Atlantic coast of South America, from Brazil to Argentina.

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Donax hanleyanus for Sale | Conchology

Donacidae on a high-energy, subtropical beach of Brazil. By using this site, doax agree to the Terms of Use and Privacy Policy. Journal of Shellfish Research. Biology and population dynamics of Donax trunculus L.

Articles with ‘species’ microformats All stub articles. Fisheries ResearchNew York, Donacidae using condition index and histological examination of gonads. A comparison between length-frequency distribution and size-increment analysis”.

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Retrieved from ” https: Functional anatomy of Donax hanleyanus Philippi, Donacidae: How to cite this article. Revista Brasileira de ZoologiaCuritiba, 18 2: Reproductive biology of the wedge clam Donax hanleyanus Bivalvia: Estudo do crescimento em comprimento de Donax hanleyanus Philippi, Mollusca, Bivalvia, Donacidae.

Donacidae from northern Argentinean beaches”.