Abstract
ABSTRACT This study was carried out aiming at determining whether the following factors are related to the diversity of wood-decay fungi: cerrado physiognomies, vegetation diversity (availability of substrates), preservation status of the area and its management backgrounds, and the existence of rivers nearby (humidity). 796 specimens were collected in four areas: one in the cerrado sensu stricto, one in the semi-deciduous forest and two in the riparian forest (one more preserved and the other less preserved). A total of 92 species of fungi were identified. Eleven species are common in the four areas sampled and 30 species occurred only once during the two-year sampling. Higher richness and abundance were observed in the more preserved area of riparian forest. This study showed that in the same macroclimate, the Agaricomycetes diversity is influenced by the vegetation’s physiognomy and diversity related to the soil characteristics, humidity, and conservation level of the area.
Highlights
Wood-inhabiting Agaricomycetes has an enzymatic system with extracellular activity to degrade complex structural materials, such as lignin, wood cellulose and hemicellulose, which makes them a group of great ecological value for recycling nutrients in ecosystems (Gilbertson 1980, Alexopoulos et al 1996, Lundell et al 2010)
Studies regarding Agaricomycetes focused on taxonomy mention the occurrence of 134 species
Agaricomycetes in the maintenance of ecosystems and the shortage of studies (Seibold et al 2015), this study aimed at understanding whether there is any correlation between the diversity of wood-decay fungi and the following factors: “cerrado” physiognomies, vegetation diversity, area preservation status and its management background and existence of rivers nearby
Summary
Wood-inhabiting Agaricomycetes has an enzymatic system with extracellular activity to degrade complex structural materials, such as lignin, wood cellulose and hemicellulose, which makes them a group of great ecological value for recycling nutrients in ecosystems (Gilbertson 1980, Alexopoulos et al 1996, Lundell et al 2010). The total diversity of fungi is estimated to range from 0.7 to 5.1 million species 2017), but so far only about 1.9% (97,330 species) have been described. A total of 538 genera and 6,384 species of wood-decay Agaricomycetes are known worldwide (Kirk et al 2008). Instituto de Botânica, Av. Miguel Stéfano, 3687, 04045-972 São Paulo, SP, Brasil. Universidade Anhanguera/Uniderp, Rua Ceará, 333, 79003-010 Campo Grande, MS, Brasil. The Cerrado is the second largest area in Brazil (21% of the Brazilian territory, around 1.8 to 2.0 million km2), after the Amazon Forest (IBGE 2004, Coutinho 2016). Studies regarding Agaricomycetes focused on taxonomy mention the occurrence of 134 species
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