About: Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets

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About: Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Here we test the potential of stable carbon isotopes to ascertain the relative contribution of primary carbon sources and the potential of stable nitrogen isotopes to assess the foodweb trophic level in four Afrotropical birds, each representing the following types of consumers: frugivorous (Andropadus tephrolaemus), nectarivorous (Cinnyris reichenowi), granivorous (Estrilda nonnula), and insectivorous (Cisticola chubbi). The four species largely differed in their feather isotope values. In agreement with their known habitat preferences, stable carbon isotopes showed that the frugivore and the nectarivore relied mostly on C3 plant dietary sources, whereas both the granivore and the insectivore depended on diet originating from a higher proportion of C4 plant-based food. Stable nitrogen isotopes confirmed the expected trophic positions of the four species. Both stable isotope tracers suggested that the granivore occupies a considerably wide isotopic niche relative to the other species. Here we test the potential of stable carbon isotopes to ascertain the relative contribution of primary carbon sources and the potential of stable nitrogen isotopes to assess the foodweb trophic level in four Afrotropical birds, each representing the following types of consumers: frugivorous (Andropadus tephrolaemus), nectarivorous (Cinnyris reichenowi), granivorous (Estrilda nonnula), and insectivorous (Cisticola chubbi). The four species largely differed in their feather isotope values. In agreement with their known habitat preferences, stable carbon isotopes showed that the frugivore and the nectarivore relied mostly on C3 plant dietary sources, whereas both the granivore and the insectivore depended on diet originating from a higher proportion of C4 plant-based food. Stable nitrogen isotopes confirmed the expected trophic positions of the four species. Both stable isotope tracers suggested that the granivore occupies a considerably wide isotopic niche relative to the other species. (en)
Title	Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets (en)
skos:prefLabel	Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets Using stable isotopes to trace resource acquisition and trophic position in four Afrotropical birds with different diets (en)
skos:notation	RIV/68081766:_____/10:00349406!RIV11-MSM-68081766
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC06073), Z(AV0Z60930519), Z(MSM6198959212)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Procházka, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav biologie obratlovců AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	294830
http://linked.open...ai/riv/idVysledku	RIV/68081766:_____/10:00349406
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	stable isotope analysis; dietary niche; Cameroon Mountains (en)
http://linked.open.../riv/klicoveSlovo	Cameroon Mountains dietary niche stable isotope analysis
http://linked.open...odStatuVydavatele	ZA - Jihoafrická republika
http://linked.open...ontrolniKodProRIV	[31704347CA26]
http://linked.open...i/riv/nazevZdroje	Ostrich
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Biodiversity Research Center
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	81
http://linked.open...iv/tvurceVysledku	Procházka, Petr Reif, J. Lee, R. W. Hořák, D. Klvaňa, P. Yohannes, E.
http://linked.open...ain/vavai/riv/wos	000284229300018
http://linked.open...n/vavai/riv/zamer	Biodiverzita a ekologie obratlovců: Strategie ochrany a využívání přírodních populací Life-history strategies of animals: proximate and ultimate mechanisms
issn	0030-6525
number of pages	3 (xsd:int)

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