Journal
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
Volume 55, Issue 2, Pages 277-282Publisher
INST TECNOLOGIA PARANA
DOI: 10.1590/S1516-89132012000200014
Keywords
Tsallis entropy; macrophytes; reservoir; Shannon; Simpson
Categories
Funding
- Fundacao Parque Tecnologico de Itaipu (PTI/PDTA)
- Brazilian Council of Research (CNPq)
- Itaipu Binacional
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In this work, a recently proposed diversity index based on Patil and Taillie parametric diversity measure (or Tsallis entropy), S-q*, was applied to samples (presence-absence data) of macrophytes from the Itaipu Reservoir, Brazil. This new index was the value of the family of indices S-q for a specific evenness of a sample. Results demonstrated that the Shannon index and species richness showed expressively high correlation with the S-q*; however, the evenness had low correlation coefficients with the index S-q*, indicating that S-q* was particularly sensitive to rarity and species richness. On the other hand, the weak correlations of this index with evenness demonstrated that it was less sensitive to species relative abundances.
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