Association between myxomycetes and the decay stage of coarse woody debris in an evergreen broadleaf forest in warm temperate Japan |
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| Institution: | 1. Hiroshima Municipal Hiroshima Secondary School, 1-14-1 Miirihigasi, Asakitaku, Hiroshima City, Hiroshima, 731-0212, Japan;2. Okayama University of Science Senior High School, 1-1 Ridai-cho, Kitaku, Okayama City, Okayama, 700-0005, Japan;1. Tochigi Prefectural Museum, 2-2 Mutsumi-cho, Utsunomiya, Tochigi, 320-0865, Japan;2. Hokken Co. Ltd., 7-3 Ekihigashimachi, Mibu, Shimotsuga-gun, Tochigi, 321-0222, Japan;3. Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawara, Kanagawa, 250-0031, Japan;1. Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen, 40002, Thailand;2. Graduate School, Khon Kaen University, Khon Kaen, 40002, Thailand;3. Natural Products Research Unit, Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, 40002, Thailand;4. Center of Excellence in Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand;5. Faculty of Medical Science, Nakhonratchasima College, Nakhonratchasima, 30000, Thailand;1. Laboratory of Plant Pathology, Institute of Plant Pathology, Jilin Agricultural University, Changchun 13, 130118, Jilin Province, PR China;2. Martin-Luther-Universität, Institut für Biologie, Bereich Geobotanik und Botanischer Garten, Neuwerk 21, 06099, Halle, Saale, Germany;1. College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China;2. College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China;3. Key Laboratory of Agro-Microbial Resources and Utilization, Ministry of Agriculture, Wuhan, 430070, China;1. Laboratory of Biological Invasion and Ecosecurity, Yunnan University, Kunming, 650091, China;2. China Eco-development Academy, Southwest Forestry University, Kunming, 650224, China;3. FuturaGene Biotechnology (Shanghai) Co., Ltd., Shanghai, 200233, China;4. Yunnan Academy of Forestry, Kunming, 650201, China;1. Institute of Botany and Landscape Ecology, Ernst Moritz Arndt University Greifswald, Soldmannstr. 15, D-17487 Greifswald, Germany;2. V.L. Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov St. 2, 197376 St. Petersburg, Russia |
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| Abstract: | Myxomycetes inhabit coarse woody debris in varying stages of decay; however, their ecology in the dead wood of evergreen broadleaf trees is not well known. In this study, we examined the relationships between myxomycete species and the decay stage of wood from fallen trees in an evergreen broadleaf forest in Japan. Myxomycete species richness and abundance were calculated for eight stages of decay in fallen logs, according to the appearance and wood hardness of log portions. A total of 70 myxomycete species (including varieties) were found on the logs. Moderately decayed wood was the preferred habitat of myxomycetes (57 species; 81% of the total) and most species inhabited moist decayed wood. Analysis by nonmetric multidimensional scaling enabled the differentiation of myxomycete assemblages, with five groupings recognized across the progression of decay. Forty-two species preferred a particular decay stage, represented by the decay index. Physarum viride and Stemonitis splendens particularly preferred the less-decayed wood and Stemonitopsis typhina var. similis especially inhabited the well-decayed wood. Species from the order Physarales dominated the less-decayed wood, whereas Trichiales and Liceales species dominated the softer well-decayed wood. Myxomycetes diversity was high in and varied among logs with various stages of decay in a typical Japanese evergreen forest. |
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| Keywords: | Coarse wood Y debris Decay index Habitat preference Myxomycetes Species diversity |
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