variation of α and β diversity of fish assemblages in an upstream-downstream gradient of a tropical river, central brazil

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ID: 242562
2014
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Abstract
This study was developed along the main channel of João Leite River, Upper Paraná River Basin, Goiás State. Three stretches with 500m length were predetermined and fish species sampled in each on them. Fish sampling was carried during dry season using a set of nets with different mesh sizes (12, 15, 20, 25, 30, 35, 40 and 50mm between knots) and five traps. The α diversity was verified through ecological descriptors such as species richness, abundance, Shannon-Wiener index and evenness while β diversity by Morisita-Horn index. Species richness and diversity increased towards upstream-downstream as expected by river continuum concept... Keywords: João Leite River; Ichthyofauna; Diversity; Longitudinal Distribution.
Reference Key
santana2014fronteiras:variation Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Andréia Oliveira Santana;Francisco Leonardo Tejerina-Garro;Rodrigo Assis Carvalho
Journal Archives of gynecology and obstetrics
Year 2014
DOI
10.21664/2238-8869.2014v3i1.p106-118
URL
http://revistas.unievangelica.edu.br/index.php/fronteiras/article/view/787
Keywords
environmental sciencesscience

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