Documentos de Magnusson W.E.

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Mostrando 6 resultados de: 6

Body size is more important than diet in determining stable-isotope estimates of trophic position in crocodilians

Article

Abstract: The trophic position of a top predator, synonymous with food-chain length, is one of the most fundam

Palabras claves:

Autores:

Bunn S., Francisco Villamarín, Jardine T.D., Magnusson W.E., Marioni B.

Fuentes:

google

scopus

High rates of mercury biomagnification in fish from Amazonian floodplain-lake food webs

Article

Abstract: Despite a global phase out of some point sources, mercury (Hg) remains elevated in aquatic food webs

Palabras claves:

Arapaima, Falling-water season, Low-water season, methylmercury, subsistence fishing, Trophic magnification

Autores:

Campos-Silva J.V., Francisco Villamarín, Hawes J.E., Jacobi C.M., Jardine T.D., Magnusson W.E., Nyholt K., Srayko S.

Fuentes:

google

scopus

Feeding of Arapaima sp.: integrating stomach contents and local ecological knowledge

Article

Abstract: The giant arapaima (Arapaima sp.) has been described as a fish of change in Amazonia because of its

Palabras claves:

AMAZON, diet, ethnobiology, ichthyology, predator

Autores:

Campos-Silva J.V., Francisco Villamarín, Jacobi C.M., Jardine T.D., Magnusson W.E.

Fuentes:

google

scopus

Soil physical conditions limit palm and tree basal area in Amazonian forests

Article

Abstract: Background: Trees and arborescent palms adopt different rooting strategies and responses to physical

Palabras claves:

ecological limiting factors, life-forms, palm-dominated forests, Quantile regression, soil structure, Tropical Forest, vegetation types

Autores:

Alexander Parada G., Alvarez-Dávila E., Araujo A., Baker T.R., Bánki O.S., Brienen R.J.W., Chave J., David A. Neill, Emílio T., Feldpausch T.R., Honorio E.N., Killeen T.J., Magnusson W.E., Malhi Y., Monteagudo A., Oblitas Mendoza E.M., Pena-Cruz A., Phillips O.L., Quesada C.A., Ramirez-Angulo H., Regina Capellotto Costa F., Schietti J., Schwarz M., Silveira M., Ter Steege H., Terborgh J.W., Thomas R.S., Torres-Lezama A., Vilanova-Torre E., Volkmer De Castilho C.

Fuentes:

scopus

Temporal uncoupling between energy acquisition and allocation to reproduction in a herbivorous-detritivorous fish

Article

Abstract: Although considerable knowledge has been gathered regarding the role of fish in cycling and transloc

Palabras claves:

Autores:

Bunn S., Francisco Villamarín, Jardine T.D., Magnusson W.E., Valdez D., Woods R.

Fuentes:

google

scopus

Uncertainties associated with trophic discrimination factor and body size complicate calculation of δ<sup>15</sup>N-derived trophic positions in Arapaima sp.

Article

Abstract: Stable isotope ratios of nitrogen (δ15N) have been used to estimate trophic position (TP) of organis

Palabras claves:

AMAZON, FISH, freshwater, Stable isotopes, stomach content, Trophic ecology

Autores:

Francisco Villamarín, Jacobi C.M., Jardine T.D., Magnusson W.E.

Fuentes:

google

scopus

Mostrando 6 resultados de: 6

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Palabras Claves

Body size is more important than diet in determining stable-isotope estimates of trophic position in crocodilians

High rates of mercury biomagnification in fish from Amazonian floodplain-lake food webs

Feeding of Arapaima sp.: integrating stomach contents and local ecological knowledge

Soil physical conditions limit palm and tree basal area in Amazonian forests

Temporal uncoupling between energy acquisition and allocation to reproduction in a herbivorous-detritivorous fish

Uncertainties associated with trophic discrimination factor and body size complicate calculation of δ<sup>15</sup>N-derived trophic positions in Arapaima sp.