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	Provedor de dados Neotropical Ichthyology (3) Autor Albrecht,Miriam P. (3) Caramaschi,Érica P. (2) Pellegrini-Caramaschi,Erica (1) Reis,Vanessa C. S. (1) Rosa,Daniela C. O. (1) Silva,Nathália C. S. (1) Soares,Bruno E. (1) Mais... Palavra-chave Diet (2) Amazon (1) Diet overlap (1) Feeding (1) Fish (1) Hydrological regime (1) Impoundment (1) Microhabitat (1) Neotropical (1) Reservoir (1) Scale-eating (1) Streams (1) Tocantins-Araguaya basin (1) Mais... Tipo do documento Info:eu-repo/semantics/article (3) Ano 2017 (1) 2013 (1) 2003 (1) País Brazil (3) Idioma Inglês (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última Resource use by two electric fishes (Gymnotiformes) of the National Forest Saracá-Taquera, Oriximiná, Pará Neotropical Ichthyology Soares,Bruno E.; Rosa,Daniela C. O.; Silva,Nathália C. S.; Albrecht,Miriam P.; Caramaschi,Érica P.. ABSTRACT Fishes of the order Gymnotiformes have high diversity of oral and head morphology, which suggests trophic specializations within each clade. The aim of this study was to describe resource use patterns by two fish species (Gymnorhamphichthys rondoni and Gymnotus coropinae) in the National Forest Saracá-Taquera, Oriximiná - Pará, analyzing microhabitat use, diet composition, feeding strategies, niche breadth and niche overlap. Stomach contents of 101 individuals (41 G. rondoni and 60 G. coropinae), sampled in 23 headwater streams were analyzed and volume of food items was quantified to characterize their feeding ecology. Gymnorhamphichthys rondoni was captured mainly on sandy bottoms, whereas G. coropinae in crevices. Both species had a... Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon; Diet overlap; Feeding; Microhabitat; Streams. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000200204 Resource use by the facultative lepidophage Roeboides affinis (Günther, 1868): a comparison of size classes, seasons and environment types related to impoundment Neotropical Ichthyology Albrecht,Miriam P.; Reis,Vanessa C. S.; Caramaschi,Érica P.. We report the consumption of scales and other food resources by the facultative lepidophage Roeboides affinis in the upper Tocantins River where it was impounded by the Serra da Mesa Hydroelectric Dam. We compared the diet among size classes, between dry and wet seasons, and between sites with distinct water flow characteristics (lotic vs. lentic) related to the distance from the dam and phase of reservoir development. As transparency and fish abundance increased after impoundment, we expected a higher consumption of scales in lentic sites. Likewise, habitat contraction, higher transparency and decrease in terrestrial resources availability, would promote a higher consumption of scales. Scales were consumed by 92% of individuals and represented 26% of the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet; Hydrological regime; Impoundment; Scale-eating; Tocantins-Araguaya basin. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000200387 Feeding ecology of Leporinus taeniofasciatus (Characiformes: Anostomidae) before and after installation of a hydroelectric plant in the upper rio Tocantins, Brazil Neotropical Ichthyology Albrecht,Miriam P.; Pellegrini-Caramaschi,Erica. The feeding ecology of Leporinus taeniofasciatus in the upper rio Tocantins was characterized before (river phase) and after (reservoir phase) its impoundment by the Serra da Mesa Hydroelectric Dam. The importance of each food item was given by the Alimentary Index (IAi), which combines the frequency of occurrence and volumetric methods. A significant difference in the diet of L. taeniofasciatus between seasons in the river phase, detected by a multivariate analysis of variance, was not kept when the reservoir was formed. Its feeding activity, verified through the percentage of stomachs with different degrees of fullness, was not affected by the impoundment. Leporinus taeniofasciatus was able to incorporate terrestrial food items to its diet when they... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet; Fish; Neotropical; Reservoir. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252003000100006 Registros recuperados: 3 Primeira ... 1 ... Última

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