DOI: 10.1016/j.foreco.2016.07.035
Scopus记录号: 2-s2.0-84979953399
论文题名: Fungal biomass and extracellular enzyme activities in coarse woody debris of 13 tree species in the early phase of decomposition
作者: Noll L. ; Leonhardt S. ; Arnstadt T. ; Hoppe B. ; Poll C. ; Matzner E. ; Hofrichter M. ; Kellner H.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2016
卷: 378 起始页码: 181
结束页码: 192
语种: 英语
英文关键词: Dead wood decomposition
; Deciduous and coniferous trees
; Lignocellulolytic enzymes
; Nitrogen content
; Temperate forests
Scopus关键词: Biomass
; Debris
; Decomposition
; Enzyme activity
; Forestry
; Fungi
; Hydrolases
; Wood products
; Coniferous trees
; Dead wood
; Lignocellulolytic enzymes
; Nitrogen content
; Temperate forests
; Enzymes
; biomass
; cellulose
; coarse woody debris
; coniferous tree
; dead wood
; deciduous tree
; decomposition
; enzyme activity
; ergosterol
; fungus
; nitrogen
; temperate forest
; Biomass
; Decay
; Enzymatic Activity
; Forests
; Fungi
; Wood
; Coniferales
英文摘要: Decomposition rates of coarse woody debris (CWD) have been investigated in many studies, however data on fungal biomass and the related enzymatic activities in decomposing CWD are scarce. Here, we investigated the relations between fungal biomass, enzyme activities and CWD properties in sap- and heartwood of decomposing logs of 13 different temperate European tree species, exposed for 6 years on the ground. Fungal biomass was significantly higher in sapwood than in heartwood and higher in deciduous than in coniferous species, and represented 0.3–4.4% of CWD dry mass. In deciduous sapwood, fungal biomass may represent up to 29% of the total N stock in CWD. Fungal biomass correlated positively with the N content of CWD and, in heartwood, negatively with extractives. Enzyme activities were higher in deciduous than in coniferous CWD and for hydrolases higher in sapwood than in heartwood. Correlations between enzyme activities and the ergosterol content were generally weak. Hydrolytic enzymes were frequently found in all decaying tree species, whereas ligninolytic oxidoreductases showed high variability specifically in deciduous wood. Fungal biomass and enzymatic activities confirm the assumption that, in the initial stage, the decomposition of deciduous CWD is faster than of coniferous CWD under comparable conditions. © 2016 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64774
Appears in Collections: 影响、适应和脆弱性
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作者单位: Soil Ecology, University of Bayreuth, Bayreuth Center of Ecology and Environmental Research (BayCEER), Bayreuth, Germany; Department of Bio- and Environmental Sciences, International Institute Zittau, Technische Universität Dresden, Zittau, Germany; Department of Soil Ecology, UFZ – Helmholtz Centre for Environmental Research, Halle (Saale), Germany; Soil Biology, University Hohenheim, Stuttgart, Germany
Recommended Citation:
Noll L.,Leonhardt S.,Arnstadt T.,et al. Fungal biomass and extracellular enzyme activities in coarse woody debris of 13 tree species in the early phase of decomposition[J]. Forest Ecology and Management,2016-01-01,378