Erratum: A pyrosequencing insight into sprawling bacterial diversity and community dynamics in decaying deadwood logs of Fagus sylvatica and Picea abies
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Media type:
E-Article
Title:
Erratum: A pyrosequencing insight into sprawling bacterial diversity and community dynamics in decaying deadwood logs of Fagus sylvatica and Picea abies
Description:
<jats:p>Deadwood is an important biodiversity hotspot in forest ecosystems. While saproxylic insects and wood-inhabiting fungi have been studied extensively, little is known about deadwood-inhabiting bacteria. The study we present is among the first to compare bacterial diversity and community structure of deadwood under field conditions. We therefore compared deadwood logs of two temperate forest tree species <jats:italic>Fagus</jats:italic><jats:italic>sylvatica</jats:italic> and <jats:italic>Picea</jats:italic><jats:italic>abies</jats:italic> using 16S rDNA pyrosequencing to identify changes in bacterial diversity and community structure at different stages of decay in forest plots under different management regimes. <jats:italic>Alphaproteobacteria, Acidobacteria</jats:italic> and <jats:italic>Actinobacteria</jats:italic> were the dominant taxonomic groups in both tree species. There were no differences in bacterial OTU richness between deadwood of <jats:italic>Fagus</jats:italic><jats:italic>sylvatica</jats:italic> and <jats:italic>Picea</jats:italic><jats:italic>abies</jats:italic>. Bacteria from the order <jats:italic>Rhizobiales</jats:italic> became more abundant during the intermediate and advanced stages of decay, accounting for up to 25% of the entire bacterial community in such logs. The most dominant OTU was taxonomically assigned to the genus <jats:italic>Methylovirgula</jats:italic>, which was recently described in an experiment of <jats:italic>Fagus</jats:italic><jats:italic>sylvatica</jats:italic> woodblocks. Besides tree species we were able to demonstrate that deadwood physico-chemical properties, in particular remaining mass, relative wood moisture, pH, and C/N ratio serve as drivers of community composition of deadwood-inhabiting bacteria.</jats:p>