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      Diversidade (alfa, beta e gama) da comunidade fitoplanctônica de quatro lagos artificiais urbanos do município de Goiânia, GO Translated title: Diversity (alpha, beta and gama) of phytoplankton community at four artificial lakes in Goiânia city, GO

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          Abstract

          O objetivo desse estudo foi comparar o número de espécies fitoplanctônicas (alfa diversidade) em períodos de chuva e seca de quatro lagos urbanos do município de Goiânia, bem como avaliar a riqueza total de espécies de cada lago (gama diversidade) e estimar essa riqueza usando extrapoladores de riqueza, e ainda investigar as mudanças nas composições fitoplanctônica entre os lagos (beta diversidade). Por fim, averiguar a influência das variáveis abióticas sobre os índices biológicos abordados. Durante o período de estudo um total de 325 espécies foram inventariadas. Os quatro lagos apresentaram características limnológicas distintas e apresentaram elevada riqueza de espécies: lago do Jardim Botânico (194 táxons), o lago do Parque Vaca Brava (171), Lago das Rosas (211) e o lago do Bosque dos Buritis (179). Observou-se baixa similaridade florística e elevada beta diversidade (β-1) variando de 42 (fevereiro de 2001) a 64 (outubro de 2001).

          Translated abstract

          The aim of this study was to compared the number of phytoplankton species (diversity alpha) in rainy and dry season at four urbane lakes in Goiânia city, as well was to value the total phytoplankton richness of each lake (diversity gama) and estimate this richness used extrapolator richness, and still to investigate the changes in phytoplankton compositions between the lakes (diversity beta). Finally, checked the influence of the abiotic variables on the biological index. During the study period they 325 species were registered. The four lakes presented different limnological characteristics and high species richness: Lake of Goiânia Botanical Garden (194 taxa), lake of Vaca Brava park (171), Rosas Lake (211) and lake of Bosque dos Buritis (179) and reduced floristic similarity. High beta diversity (β-1) was observed varying from 42 (February of 2001) to 64 (October of 2001), and reduced floristic similarity.

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          Measuring Biological Diversity

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            Zur Vervollkommung der quantitativen Phytoplankton‐methodik

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              Ecology of shallow lakes:

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                hoehnea
                Hoehnea
                Hoehnea
                Instituto de Botânica (São Paulo )
                2236-8906
                June 2008
                : 35
                : 2
                : 219-233
                Affiliations
                [1 ] Universidade Federal de Goiás Brazil
                [2 ] Universidade Federal de Goiás Brazil
                Article
                S2236-89062008000200005
                10.1590/S2236-89062008000200005
                cde32595-980f-4013-b34b-cf814730280d

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=2236-8906&lng=en
                Categories
                PLANT SCIENCES

                Plant science & Botany
                eutrophics lakes,species richness,floristic similarity,lagos eutróficos,riqueza de espécies,similaridade florística

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