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日本中部亚高山针叶林粗木质残体上与白色和褐色木材腐朽相关的黏菌的生态方面

Ecological aspects of myxomycetes associated with white and brown wood rot on coarse woody debris in subalpine coniferous forests in Central Japan.

作者信息

Takahashi Kazunari, Harakon Yuichi, Fukasawa Yu

机构信息

a Okayama Ryukoku High School.

b Hiroshima Municipal Hiroshima Secondary School.

出版信息

Mycoscience. 2024 Mar 31;65(2):86-91. doi: 10.47371/mycosci.2024.1.003. eCollection 2024.

DOI:10.47371/mycosci.2024.1.003
PMID:39234516
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11369301/
Abstract

We investigated factors affecting the community composition of lignicolous myxomycetes in dead wood with white and brown rot through summer and autumn surveys in a subalpine forest in Central Japan. In both seasons, wood had decayed to a softer state under brown rot than under white rot. The pH of wood with white rot was nearly neutral, while wood with brown rot was weakly acidic. Wood pH was lower in summer than in autumn. Forty-two myxomycetes taxa in 19 genera were identified in 302 fruiting-body colonies; white rot yielded 31 taxa and brown rot 24 taxa. Species diversity was higher on wood with white rot than on wood with brown rot. The effect of wood hardness on species composition depended on season. Several species exhibited a preference for one of the rot types. The substrate conditions associated with brown rot limit myxomycetes species diversity.

摘要

我们通过对日本中部亚高山森林进行夏秋两季的调查，研究了影响枯木上木生黏菌群落组成的因素，这些枯木存在白腐和褐腐现象。在这两个季节中，褐腐情况下木材腐朽至比白腐更软的状态。白腐木材的pH值接近中性，而褐腐木材呈弱酸性。木材的pH值夏季低于秋季。在302个子实体菌落中鉴定出19个属的42种黏菌分类单元；白腐木材上有31个分类单元，褐腐木材上有24个分类单元。白腐木材上的物种多样性高于褐腐木材。木材硬度对物种组成的影响取决于季节。有几种物种表现出对其中一种腐朽类型的偏好。与褐腐相关的底物条件限制了黏菌物种的多样性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c9/11369301/8af52e97fddd/MYC-65-86-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c9/11369301/e18cdce2796a/MYC-65-86-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c9/11369301/8af52e97fddd/MYC-65-86-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c9/11369301/e18cdce2796a/MYC-65-86-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c9/11369301/8af52e97fddd/MYC-65-86-g02.jpg

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本文引用的文献

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