An analysis on the spatial distribution patterns of basidiocarps of Agaricales in aCastanopsis-dominated forest in Kyoto |
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Authors: | Toshimitsu Fukiharu Makoto Kato |
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Institution: | (1) Natural History Museum and Institute, Chiba, Aoba-cho 955-2, Chuo-ku, 260 Chiba-shi, Chiba, Japan;(2) Biological Laboratory, Yoshida College, Kyoto University, Sakyo-ku, 606 Kyoto, Japan |
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Abstract: | Spatial distribution patterns of basidiocarps of Agaricales were studied in aCastanopsis-dominated forest in Kyoto. Sixty-seven species were recorded, of which 45 species and 99% of total dry weight were ectomycorrhizal
fungi belonging to Amanitaceae, Cortinariaceae, Russulaceae, Boletaceae and Strobilomycetaceae. The data were analyzed statistically
by using the m-m regression method. Three distribution patterns were recognized: aggregated, random and uniform. Although
total basidiocarps were distributed randomly, basidiocarps of most species showed aggregated distributions, suggesting mycelium
of ectomycorrhizal and saprotrophic fungi extend in a limited area in the soil. The degree of aggregation was different among
species and this difference was suggested to reflect the difference of niche among the species. |
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Keywords: | basidiocarp Castanopsis-dominated forest ectomycorrhizal fungi mean crowding spatial distribution pattern |
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