996 resultados para Feria de Xàtiva. (1906)
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Usando o meio de amônio-sulfato-glicose, conseguimos que oito amostras estéreis de Histoplasma capsulatum voltassem a produzir estalagmosporos.
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Os autores, na presente nota, propõem Acanthocolpus brasiliensis sp. n. sendo este gênero pela primeira vez referido no Brasil. A espécie aqui descrita difere das demais do gênero pela ausência de espinhos na vagina e no ducto hermafrodita e pela presença de vitelinos em quase toda extensão da metade posterior do corpo.
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Stomach contents of Simulium perflavum Roubaud larvae were analyzed and compared with plankton and periphyton collected in five streams, in Central Amazonia (Manaus and Presidente Figueiredo counties), in Sep./Oct.1996 (dry season) and Feb./Mar. 1997 (rainy season). A total of 1,400 last-instar larvae were dissected; the stomach contents were analyzed using different methods: fresh and after oxidation. A total of 87 taxa (algae, diatoms and rotifers) were found in the stomach contents. In each stream, qualitative samples of plankton and periphyton were collected; these were mounted between slides and cover slips. A total of 94 taxa of plankton and 54 taxa of periphyton were collected. One species of Rotifera was present in the stomach contents, plankton and periphyton. Cluster analysis based on species composition of the organisms present in the stomach contents grouped the streams into two major groups, each belonging to a different drainage area. Correlations based on presence/absence of species of microalgae in the stomach contents, plankton and periphyton indicated significant associations (p<0.05) between stomach contents and plankton and between plankton and periphyton (z test); the Sorensen coefficient and cluster analysis corroborate the same associations.
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Collection : Collection du Bulletin-commentaire des lois nouvelles et décrets
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Collection : Institut ; 1906, 5
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Collection : Collection du Bulletin-Commentaire des lois nouvelles et décrets
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Åke Backström