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首页> 外文期刊>Ecological research >Succession in myxomycete communities on dead Pinus densiflora wood in a secondary forest in southwestern Japan
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Succession in myxomycete communities on dead Pinus densiflora wood in a secondary forest in southwestern Japan

机译：日本西南部次生林中死松松材上粘线菌群落的演替

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Changes in myxomycete communities and species were investigated over an 8-year period in rela tion to the decay state of dead Pinus densiflora Siebold & Zucc. wood on which myxomycete fruiting bodies occurred. The study was carried out during three different seasons in a pine forest in southwestern Japan. A total of 44 species and seven varieties of myxomycetes were recorded. The species richness and diversity of the annual myxomycete communities did not clearly change in relation to the series of years, but the percent simi larity of the myxomycete community from the beginning of the survey through the following years tended to decrease every season. The ordination of the annual communities, analyzed using non-metric multidimen sional scaling (NMDS), indicated that seasonal factors on the first axis and the decay state of the wood on the second axis were significantly related. Species coloniza tion patterns were arranged using succession indices and the distribution of certain species at particular times of the year: Arcyria ferruginea, A. obvelata, Lamproderma arcyrionema, and Physarum viride early in the year and Stemonitopsis hyperopta, Cribraria intricata, Lindbladia cribrarioides, Lamproderma columbinum, Tubifera ferru-ginosa, and Trichia verrucosa later on. Changes in the relative abundance of colony sizes of several species showed annual trends. Species using slightly decayed wood at the beginning were replaced by those using more brittle wood as the years progressed. Myxomycete succession on dead wood changed through time as the wood decayed, based on species preferences for partic ular decay stages.
机译：在8年的时间里，研究了与死松柏Siebold＆Zucc的腐烂状态有关的粘菌丝群落和物种的变化。粘霉菌子实体发生的木材。这项研究是在三个不同季节的日本西南部的一片松树林中进行的。记录了总共44种粘菌菌种。年度粘菌丝群落的物种丰富度和多样性并未随年份的变化而明显变化，但是从调查开始到随后几年，粘菌丝群落的相似度每个季节都有下降的趋势。使用非度量多维标度（NMDS）分析的年度群落排序表明，第一轴上的季节因素与第二轴上的木材腐烂状态显着相关。物种的定居模式是使用继承指数和一年中特定时间的某些物种的分布来安排的：早年的Arcyria ferruginea，A。obvelata，Lamproderma arcyrionema和virarum Physarum，以及超高的Stemonitopsis hyperopta，Crariaaria intricata，Lindbladia cribrarioides，Lamproderma后来，发现了哥伦比纳（Cluminum），塔贝弗拉（Tubifera ferru-ginosa）和疣状毛发（Trichia verrucosa）。几种物种菌落大小的相对丰度变化显示出年度趋势。随着时间的推移，最初使用稍微腐烂的木材的种类被使用较脆性木材的种类所取代。死木的粘菌丝继生随着时间的流逝而变化，这取决于对特定颗粒衰变阶段的物种偏好。

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