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Campo DC | Valor | Idioma |
---|---|---|
dc.contributor.author | Oliveira, Ana Cristina B | - |
dc.contributor.author | Martinelli, Luiz Antônio | - |
dc.contributor.author | Moreira, Marcelo Z. | - |
dc.contributor.author | Soares, Maria Gercilia Mota | - |
dc.contributor.author | Cyrino, José Eurico Possebon | - |
dc.date.accessioned | 2020-06-15T22:02:52Z | - |
dc.date.available | 2020-06-15T22:02:52Z | - |
dc.date.issued | 2006 | - |
dc.identifier.uri | https://repositorio.inpa.gov.br/handle/1/18749 | - |
dc.description.abstract | Stomach content and stable isotopes of tambaqui, Colossoma macropomum (Cuvier), were use to determine seasonality of energy sources in a floodplain lake in the central Amazon. The turnover time of carbon in young tambaqui was fast enough to detect a broad seasonal variation both in stomach content and tissue isotopic signal of carbon and nitrogen. The relative importance of food items varied with water level. C3 plants (seeds and fruits) contributed between 55% and 95% of the biomass fraction of tambaqui. Zooplankton contributed a minimum of 26% of the nitrogen fraction during periods of flooding, and a maximum of 67% in the dry season. C4 plants (macrophyte leaves and roots) contributed a maximum of 26% of the biomass fraction and 13% of the N fraction mainly during the flooding period. The feeding habits and behaviour of tambaqui are complex and linked to the flood pulse. © 2006 Blackwell Publishing Ltd. | en |
dc.language.iso | en | pt_BR |
dc.relation.ispartof | Volume 13, Número 3, Pags. 135-142 | pt_BR |
dc.rights | Restrito | * |
dc.subject | Biomass | en |
dc.subject | Feeding Behavior | en |
dc.subject | Fish | en |
dc.subject | Lake Ecosystem | en |
dc.subject | Nutrient Uptake | en |
dc.subject | Amazonas | en |
dc.subject | Brasil | en |
dc.subject | South America | en |
dc.subject | Colossoma Macropomum | en |
dc.subject | Colossoma Marcopomum | en |
dc.title | Seasonality of energy sources of Colossoma macropomum in a floodplain lake in the Amazon - Lake Camaleão, Amazonas, Brazil | en |
dc.type | Artigo | pt_BR |
dc.identifier.doi | 10.1111/j.1365-2400.2006.00481.x | - |
dc.publisher.journal | Fisheries Management and Ecology | pt_BR |
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