EQUABILIDADE DE PIELOU PDF

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated. The Cerrado biome presents a large spatial heterogeneity and is characterized as having elevated beta diversity. In this study, we investigated the woody vegetation of the cerrado sensu stricto savanna woodland physiognomy that occur on Entisols Quartzarenic Neosols and the relationship between the floristic and structure variations regarding the soils characteristics and altitude. In each area, we sampled ten plots with 20 m x 50 m, distributed in patches of cerrado on Entisols. At PNSC 45 species and 40 genera were found distributed among 21 botanic families, with stem density of indiv.

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Diversity and similarity of native forest fragments located in the northeast region of Minas Gerais. In this study 26 distributed fragments of native forest in four located hydrographical Basins in the northeast region of Minas Gerais had been showed, with the purpose of analyzing the floristic similarity exists between 26 forest fragments native inserted in four basins in the northeast of the state of Minas Gerais and the diversity and evenness of physiognomies studied and groups of fragments formed.

We measured the circumference at 1. Six groups were formed according to the floristic similarity coefficient Sorensen, with four groups there was an association of more than a physiognomy, showing regions of transition within the area.

The Shannon diversity index, ranged from 2. The maximum and minimum values of evenness index Pielou were 0. The floristic group 2 Semideciduous Forest and Cerrado sensu stricto had the highest average value of diversity 3. Key-words: wealth, equability, hydrographical Basins, forest formations. Segundo Carvalho et al. Sandwith, Combretum leprosum Mart. Naudin e Croton celtidifolius Baill.

Berg N. Silveira, Licania kunthiana Hook. Lima, Sapium glandulosum L. Morong, Ternstroemia brasiliensis Cambess. Santos et al. O fragmento com a menor diversidade foi J16, com 0, A equabilidade de Pielou apresentou os seguintes valores: 0, J16 ; 0, J20 e 0, J O fragmento de maior diversidade e equabilidade foi o J, onde ocorreram 2.

Em contrapartida, no fragmento J14 foram amostrados 4. Harms , Jacaranda macrantha Cham. O fragmento J apresentou valores elevados de diversidade e equabilidade, comparando-se com os demais fragmentos estudados.

Nesse fragmento ocorreram 1. Reis et al. De acordo com esses resultados o fragmento J21 apresentou a menor diversidade e equabilidade do grupo. No fragmento J ocorreram 3. Forest patches in tropical landscapes. Washington: Island Press,p. DIAS, A. Acta Botanica Brasilica , Feira de Santana, v. Patterns of diversity and floristic composition in neotropical montane forests. Cerne , Lavras, v. JUDD, W. Plant systematics: a phylogenetic approach. Massachusetts: Sinauer Associates, KENT, M.

Vegetation description and analysis: a practical approach. Chichester: J. Wiley, Statistical ecology: a primer on methods and computing. New York: J. Multivariate analysis of ecological data , version 4.

Aims and methods of vegetation ecology. New York: Willey and Sons, ODUM, E. Rio de Janeiro: Guanabara Koogan, An introduction to quantitative ecology. Tokyo: McGraw-Hill Kogakusha, REIS, H. Lavras: UFLA, Tree species impoverishment and the future flora of the Atlantic forest of northeast Brazil.

Nature , v. Recebido: 13 de julho de Aceito: 11 de abril de All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Services on Demand Journal. ABSTRACT In this study 26 distributed fragments of native forest in four located hydrographical Basins in the northeast region of Minas Gerais had been showed, with the purpose of analyzing the floristic similarity exists between 26 forest fragments native inserted in four basins in the northeast of the state of Minas Gerais and the diversity and evenness of physiognomies studied and groups of fragments formed.

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Diversity and similarity of native forest fragments located in the northeast region of Minas Gerais. In this study 26 distributed fragments of native forest in four located hydrographical Basins in the northeast region of Minas Gerais had been showed, with the purpose of analyzing the floristic similarity exists between 26 forest fragments native inserted in four basins in the northeast of the state of Minas Gerais and the diversity and evenness of physiognomies studied and groups of fragments formed. We measured the circumference at 1. Six groups were formed according to the floristic similarity coefficient Sorensen, with four groups there was an association of more than a physiognomy, showing regions of transition within the area. The Shannon diversity index, ranged from 2. The maximum and minimum values of evenness index Pielou were 0.

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Bolsistas CNPq. Foram amostrados 4. Fabaceae, Myrtaceae, Rubiaceae e Lauraceae destacaram-se em todas as classes de tamanho de planta. The floristic composition of the natural regeneration in a secondary Seasonal Semideciduous Forest fragment in the Atlantic Forest domain, Southeastern Brazil, was studied in the years , and The sampling unit sizes were 0.

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