Document Detail


Prescribed burning in a Eucalyptus woodland suppresses fruiting of hypogeous fungi, an important food source for mammals.
MedLine Citation:
PMID:  17059885     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fruit bodies of hypogeous fungi are an important food source for many small mammals and are consumed by larger mammals as well. A controversial hypothesis that prescribed burning increases fruiting of certain hypogeous fungi based on observations in Tasmania was tested in the Australian Capital Territory to determine if it applied in a quite different habitat. Ten pairs of plots, burnt and nonburnt, were established at each of two sites prescribe-burnt in May 1999. When sampled in early July, after autumn rains had initiated the fungal fruiting season, species richness and numbers of fruit bodies on the burnt plots were extremely low: most plots produced none at all. Both species richness and fruit body numbers were simultaneously high on nonburnt plots. One of the sites was resampled a year after the initial sampling. At that time species richness and fruit body abundance were still significantly less on burnt plots than on nonburnt, but a strong trend towards fungal recovery on the burnt plots was evident. This was particularly so when numbers of fruit bodies of one species, the hypogeous agaric Dermocybe globuliformis, were removed from the analysis. This species strongly dominated the nonburnt plots but was absent from burnt plots in both years. The trend towards recovery of fruit body abundance in the burnt plots one year after the burn was much more pronounced with exclusion of the Dermocybe data. The Tasmanian-based hypothesis was based mostly on the fruiting of two fire-adapted species in the Mesophelliaceae. Neither species occurred on our plots. Accordingly, the results and conclusions of the Tasmanian study cannot be extrapolated to other habitats without extensive additional study. Implications for management of habitat for fungi and the animals that rely on the fungi as a food source are discussed.
Authors:
James M Trappe; A O Nicholls; Andrew W Claridge; Steven J Cork
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-10-23
Journal Detail:
Title:  Mycological research     Volume:  110     ISSN:  0953-7562     ISO Abbreviation:  Mycol. Res.     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2006-11-13     Completed Date:  2007-01-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8913481     Medline TA:  Mycol Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  1333-9     Citation Subset:  IM    
Affiliation:
Department of Forest Science, Oregon State University, Corvallis, Oregon 97331-5752, USA. trappej@onid.orst.edu
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MeSH Terms
Descriptor/Qualifier:
Animals
Conservation of Natural Resources / methods,  statistics & numerical data
Diet*
Ecosystem
Eucalyptus / growth & development,  microbiology*
Fires
Food Preferences
Fungi / cytology,  growth & development*
Mammals
Tasmania
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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