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Phenology of epigeous macrofungi found in red gum woodlands
February 2010
February 2010
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Abstract
The timing of fruiting body production by epigeous macrofungi is thought to be mostly
determined by substrate moisture and temperature. Understanding the environmental
cues that influence fruiting can help when designing surveys, interpreting results,
and predicting effects of an altered climate. Species fruiting in 22 river red gum
(Eucalyptus camaldulensis) woodland sites in southeastern Australia was recorded at
regular intervals over 2 y. Models were constructed to explain the phenology of 25
of the most common species, as well as the total number of species found fruiting
on each survey occasion. We found that rainfall minus evaporation and the time of
year each influenced fruiting of the common fungi, but to varying degrees depending
on species. Using these same variables, the model predictions for the total number
of species expected to be found on each survey occasion fit the observations reasonably
well (R(2)=0.49). The models could be used to estimate the probability of presence
for species of conservation interest, to optimise survey timing, or to predict effects
of climate change on fruiting.
Copyright © 2009 The British Mycological Society. Published by Elsevier Ltd. All rights
reserved.