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Fish trophic structure in a first order stream of the Iguatemi River basin, Upper Paraná River, Brazil
Provedor de dados: 3
Autores: Lopes, Evaneide Nogueira; Fedatto Abelha, Milza Celi; Batista-Silva, Valéria Flávia; Kashiwaqui, Elaine Antoniassi Luiz; Bailly, Dayani.
We described the spatial distribution of fish trophic groups in the Água Boa Stream, MS, Brazil. Specimens were caught using electrofishing in the upper, intermediate and lower stretches of the stream, between March and November 2008. We analyzed 415 stomach contents of 24 species. Detritus/sediment and aquatic invertebrates were the main exploited resources. Ordination analysis categorized the species in six trophic groups. Aquatic invertivores showed the highest richness (10 species), followed by detritivores (08 species), omnivores (03 species), terrestrial invertivores (03 species), algivores (02 species) and herbivore (01 species). Three trophic groups occurred in the upper stretch, six in the intermediate and five in the lower. Detritivores,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Diet; Trophic group; Ichthyofauna; Freshwater 2.05.00.00-9 dieta  grupo trófico  ictiofauna  água doce Ecologia.
Ano: 2016
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/31515