Research into brazilian thrushes: bibliographies, species and next steps
AbstractSynthesis studies are essential for detecting subjects that have not yet been fully explored. Therefore, a scientiometric study was conducted in order to evaluate the state of knowledge about the Turdidae bird family in Brazil. Searches were performed using the software Publish or Perish©. We found 23 papers from the period January 1990 to August 2012 directly involving the bioecological study of thrushes. Some studies were carried out on more than one species, giving a further 31 papers in which taxa of the Turdidae family were included. Using the dominance index, Turdus albicollis, T. amaurochalinus, T. leucomelas and T. rufiventris were considered eudominants. There was a greater frequency of studies based on T. leucomelas (Ï‡ Â² c. (11.07) = 15.55, df = 5, P < 0.05). Turdus subalaris and Catharus ustulatus have also been studied and found to be subdominant. It was possible to define seven categories as areas of knowledge. From the spatial distribution of the localities (biomes) sampled by studies involving thrushes it was inferred that the most studied species are those having a greater distribution in Brazil. Finally, species naturally more restricted to northern Brazil have been less studied, mainly because most studies involving thrushes have been performed in southern and southeastern Brazil, mainly in the Atlantic Forest and Cerrado biomes.
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Copyright (c) 2013 Huilquer Francisco Vogel, João Carlos Barbosa da Silva, Cláudio Henrique Zawadzki, João Batista Campos
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