期刊
FUNGAL ECOLOGY
卷 22, 期 -, 页码 98-105出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.funeco.2016.01.002
关键词
Ecosystem processes; Enzyme activity; Wood decay; Wood physico-chemical properties; Fungal community structure
资金
- DFG Priority Program Infrastructure-Biodiversity-Exploratories [1374, KR 3587/1-1, KR 3587/3-2, BA 2821/9-2, BU 941/17-1, HO 1961/5-1, HO 1961/5-2]
Wood-inhabiting fungi are major agents,of wood decomposition. However, it is unclear which factors determine their distribution and enzyme production. Many studies that have addressed this issue suffer from a lack of geographic extent Here, we investigate the fungal community structure of 117 Fagus sylvatica logs in relation to wood physico-chemical properties and secreted ligninolytic enzymes, across three distinct geographical regions of Germany. Our results revealed,that fungal community structure was similar across different regions, but was nevertheless variable in all regions. The relationships between fungal community structure, wood physico-chemical properties and enzyme activities were not consistent across different regions. However, we identified that the wood physico-chemical properties (i.e. decay class, remaining mass, density, extractives, total lignin and pH) were the most important factors associated with the fungal community structure in all three regions. In contrast, the wood physico-chemical properties and the fungal community structure did not sufficiently explain variation in the detected enzymatic activities. Thus, we assume that interspecific interactions and recently described priority effects play more important roles in the production of lignin modifying enzymes. (C) 2016 The Authors. Published by Elsevier Ltd.
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