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Provedor de dados:  Acta Botanica
País:  Brazil
Título:  Diversity of arbuscular mycorrhizal fungi in a gypsum mining impacted semiarid area
Autores:  Mergulhão,Adália Cavalcanti do Espírito Santo
Burity,Hélio Almeida
Goto,Bruno Tomio
Maia,Leonor Costa
Data:  2010-12-01
Ano:  2010
Palavras-chave:  Degraded area
Resumo:  The aim of this work was to evaluate the impact of gypsum mining on the occurrence and diversity of arbuscular mycorrhizal fungi (AMF). Soil samples were collected in the rainy and dry periods in four areas of a gypsum mine: native preserved "caatinga" (NC); mine vicinity (MS); reject area (RA); interface between the reject area and an area of "caatinga" degraded by mining (IN). Forty two plant species were identified in these areas; some were not found in both collection periods. Thirty six taxa of AMF were identified: 31 in the rainy and 31 in the dry period, with different species composition. Mining activity reduced diversity of plants and of AMF in the three mining areas when compared to NC. Plant similarity indexes were low between NC and the degraded areas. Similarity among AMF species was lower in the rainy period and between NC and the ones affected by mining. Glomus intraradices, Glomus sp.1 and Paraglomus occultum were the most common AMF, showing tolerance of edaphic conditions in the impacted areas. These species should be further tested in programs of revegetation of similar gypsum mining degraded areas.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Sociedade Botânica do Brasil
Relação:  10.1590/S0102-33062010000400020
Formato:  text/html
Fonte:  Acta Botanica Brasilica v.24 n.4 2010
Direitos:  info:eu-repo/semantics/openAccess

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