The growing fragmentation of natural habitats intensifies the necessity to evaluate biological diversity contained in plant remnants. Composicao, estrutura e. Índice de equitabilidade de Pielou (E) Medida da abundância relativa das espécies E=H ́ /H ́ max. em que: • H ́ = índice de diversidade de Shannon; • H ́ max. 4 nov. Índice de Pielou Bárbara Lima Santiago da Costa Índice de Pielou (Equabilidade ): É derivado do índice de diversidade de Shannon e permite.

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The study was conducted in 40 plots 10 x 25 m with inclusion level the circumference at 1. User’s Guide and application published at: For the seven phytosociological parameters evaluated, the species that stood out were Mimosa ophthalmocentraPoincianella pyramidalisSenegalia bahiensisSenegalia paniculataCroton blanchetianus and Mimosa tenuifloraindicating that these are the species best adapted to the environment assessed, both in environmental conditions and competition with other species present in the fragment of Caatinga in Arcoverde-PE.

The absolute and relative density, absolute and relative frequency, absolute and relative dominance and importance value were evaluated; species diversity was given by index of Shannon-Weaver H’ and equality of Pielou evenness, determining the hypsometric distribution at one meter intervals and diameter distribution at 3 cm intervals.


Pielous evenness is an index that measures diversity along with species richness. Diversity, diversity indices and tropical cockroaches. However the Northeast cerrados are poorer in species than the other cerrados.

Equabilidade de pielou pdf

Productivity and history as predictors of the latitudinal diversity gradient of terrestrial birds. Aims and methods of vegetation ecology. At Chapada Grande Meridional 48 species two subspecies and 26 botanic families were encountered, with a stem density of indiv. A consumer’s guide to evenness indices. Seasonally dry tropical forests. Pkelou extraction and pasture activities have decisively contributed to the removal of vegetation in this area.

Equabilidade significato e sinonimi di equabilidade nel. Ecological Monographs In Community Ecology and in many applications of Conservation Biology, diversity means variety of species, which may or not include information on the relative importance of each species.

Global Change Biology Dentre elas podem ser citadas: Different indices can be obtained combining the two components with different weights. Distribution of tropical american rain Forest species in the light of sucessional processes. Unifying and distinguishing diversity ordering methods for comparing communities. Comparison of different methods for diversity ordering.

The Parana River basin – an area of 5, ha located in Brazil- has a highly diverse phytophysiognomy and scarce flora information. Among them, non-parametric diversity or heterogeneity indices such as Shannon and Simpson formulae are widely employed in a range of studies. This work was performed in a hypoxerophytic Caatinga fragment in the city of Arcoverde, Pernambuco state and aimed at determining the floristic composition and phytosociological parameters of tree and shrub species that make up the fragment.


Ecological importance of Myrtaceae in an eastern Brazilian wet forest.

Trees with stem diameter at 1. At PNSC 45 species and 40 genera were found distributed among 21 botanic families, with stem density of indiv. Palaeontologia Electronica 4 1: An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: Universidade Federal de Pernambuco, San Salvador de Jujuv: Comparative performance of species richness estimation methods. The diversity index of Shannon-Weaver was 2.

Índice de Pielou by Bárbara Lima on Prezi

Statistics and partitioning of species diversity, and similarity among multiple communities. Quantifying the effects of nutrient addition on community diversity of serpentine vegetation using parametric entropy of type a.

Species abundance patterns and community structure. The differences encountered among the floristic compositions and structures between the areas, even when considering a same type of soil, indicates a high heterogeneity of the cerrado vegetation.