Differential hypogeous sporocarp production from Nothofagus dombeyi and N. pumilio forests in southern Argentina
作者： Eduardo R. Nouhra , Carlos Urcelay , M. Silvana Longo , Sonia Fontenla
DOI: 10.3852/11-098
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摘要: Mycorrhizal fungi that form hypogeous sporocarps are an important component of the temperate forest soil community. In many regions, such as Nothofagus in Patagonian Andes, this group has been poorly studied. Here we examined spring and autumn commu- nity composition ''sequestrate fungi'', based on sporocarp production pure forests dombeyi (evergreen) N. pumilio (deciduous). We investigated possible relationships between these communities environmental factors over 2 y. The rarefaction curves minimal richness estimates converged at nearly same level for each type, asymptotes suggested sampling effort was sufficient to capture most stands. total 27 species were recovered. Basidiomycota, Ascomycota Glomeromycota respectively accounted nine, two one genera. Species varied relation type but not season (fall spring), whereas biomass according interaction type. positively correlated with rainfall negatively altitude. addition sporo- carp related number trees per transect. found different stands, dominated by Nothofagus, exhibited communities.
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