Effects of dry-deposited sulphur dioxide on fungal decomposition of angiosperm tree leaf litter III. Decomposition rates and fungal respiration

Ash (Fraxinus excelsior L.), birch (Betula spp.), hazel (Corylus avellana L.), sessile oak [Quercus petraea (Mattuschka) Liebl.] and sycamore (Acer pseudoplatanus L.) leaf litters from a virtually non-polluted and a heavily sulphur dioxide (SO2 )-polluted woodland were fumigated with environmentally...

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Veröffentlicht in:The New phytologist. - 1979. - 122(1992), 1 vom: 20. Sept., Seite 127-140
1. Verfasser: Newsham, K K (VerfasserIn)
Weitere Verfasser: Boddy, Lynne, Frankland, Juliet C, Ineson, P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 1992
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Sulphur dioxide angiosperm tree leaf litter decomposition rates fungal respiration saprotrophic fungi
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245 1 0 |a Effects of dry-deposited sulphur dioxide on fungal decomposition of angiosperm tree leaf litter III. Decomposition rates and fungal respiration 
264 1 |c 1992 
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520 |a Ash (Fraxinus excelsior L.), birch (Betula spp.), hazel (Corylus avellana L.), sessile oak [Quercus petraea (Mattuschka) Liebl.] and sycamore (Acer pseudoplatanus L.) leaf litters from a virtually non-polluted and a heavily sulphur dioxide (SO2 )-polluted woodland were fumigated with environmentally-realistic concentrations (0.010-0.030μl l-1 ) of SO2 for 16-68 wk in an open-air field-fumigation experiment. Fumigation inhibited the respiration (CO2 evolution) and decomposition rates of the leaf litters. However, there were few differences in the responses between leaf litters from the two woodlands. In addition, pure cultures of four saprotrophic fungi were grown individually on irradiated hazel litter and exposed to c. 0.030μl l-1 of gaseous SO2 , for 28 d in the laboratory. The gas inhibited the respiration of Phoma exigua Desm. and Phoma macrostoma Mont, but not the respiration of Cladosporium cladosporioides (Fres.) de Vries or Coniothyrium quercinum Sacc. var. glandicola Grove. These results in part substantiated findings of previous experiments examining the effects of SO2 on the structures of saprotrophic fungal communities. The effects of SO2 on fungal decomposition of angiosperm tree leaf litter as possible causes of forest decline are discussed 
650 4 |a Journal Article 
650 4 |a Sulphur dioxide 
650 4 |a angiosperm tree leaf litter 
650 4 |a decomposition rates 
650 4 |a fungal respiration 
650 4 |a saprotrophic fungi 
700 1 |a Boddy, Lynne  |e verfasserin  |4 aut 
700 1 |a Frankland, Juliet C  |e verfasserin  |4 aut 
700 1 |a Ineson, P  |e verfasserin  |4 aut 
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