Mostrando 6 resultados de: 6
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Article(6)
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Ecology of Freshwater Fish(1)
Freshwater Biology(1)
Journal of Fish Biology(1)
PLoS ONE(1)
Science of the Total Environment(1)
Body size is more important than diet in determining stable-isotope estimates of trophic position in crocodilians
ArticleAbstract: The trophic position of a top predator, synonymous with food-chain length, is one of the most fundamPalabras claves:Autores:Bunn S., Francisco Villamarín, Jardine T.D., Magnusson W.E., Marioni B.Fuentes:googlescopusFeeding of Arapaima sp.: integrating stomach contents and local ecological knowledge
ArticleAbstract: The giant arapaima (Arapaima sp.) has been described as a fish of change in Amazonia because of itsPalabras claves:AMAZON, diet, ethnobiology, ichthyology, predatorAutores:Campos-Silva J.V., Francisco Villamarín, Jacobi C.M., Jardine T.D., Magnusson W.E.Fuentes:googlescopusHigh rates of mercury biomagnification in fish from Amazonian floodplain-lake food webs
ArticleAbstract: Despite a global phase out of some point sources, mercury (Hg) remains elevated in aquatic food websPalabras claves:Arapaima, Falling-water season, Low-water season, methylmercury, subsistence fishing, Trophic magnificationAutores:Campos-Silva J.V., Francisco Villamarín, Hawes J.E., Jacobi C.M., Jardine T.D., Magnusson W.E., Nyholt K., Srayko S.Fuentes:googlescopusOpportunistic top predators partition food resources in a tropical freshwater ecosystem
ArticleAbstract: The structure of food webs may be strongly influenced by the distribution of top predators in spacePalabras claves:aquatic food webs, Crocodilians, spatial partitioning, terrestrial subsidies, trophic interactionsAutores:Bunn S., Francisco Villamarín, Jardine T.D., Magnusson W.E., Marioni B.Fuentes:googlescopusUncertainties associated with trophic discrimination factor and body size complicate calculation of δ<sup>15</sup>N-derived trophic positions in Arapaima sp.
ArticleAbstract: Stable isotope ratios of nitrogen (δ15N) have been used to estimate trophic position (TP) of organisPalabras claves:AMAZON, FISH, freshwater, Stable isotopes, stomach content, Trophic ecologyAutores:Francisco Villamarín, Jacobi C.M., Jardine T.D., Magnusson W.E.Fuentes:googlescopusTemporal uncoupling between energy acquisition and allocation to reproduction in a herbivorous-detritivorous fish
ArticleAbstract: Although considerable knowledge has been gathered regarding the role of fish in cycling and translocPalabras claves:Autores:Bunn S., Francisco Villamarín, Jardine T.D., Magnusson W.E., Valdez D., Woods R.Fuentes:googlescopus