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Infection intensity, spore density and inoculum potential of arbuscular mycorrhizal fungi decrease during secondary succession in tropical Brazilian ecosystems. Repositório Alice
ZANGARO, W.; ANSANELO, A. P.; LESCANO, L. E. A. M.; ALVES, R. de A.; RONDINA, A. B. L.; NOGUEIRA, M. A..
Little is known about the relationship involving arbuscular mycorrhizal (AM) fungi and functional groups of plants that characterize different phases of tropical succession.We appraised the AM infection intensity of root cortex and spore density in the soil in sites over tropical successional gradients (grassland, secondary forest and mature forest) for several years in Araucaria,Atlantic and Pantanal ecosystems in Brazil. The intensity ofAMinfection decreasedwith advancing successional stages in all ecosystems and it was around 60–80% in early stages of succession, 37–56% in secondary forests and 19–29% in mature forests. Similarly, the AM spore number also decreased with advancing succession and was the highest in early stages (73–123 g?1), intermediate...
Tipo: Separatas Palavras-chave: Fertilidade do solo; Soil fertility.
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/940931
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