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- Title
东北地区蒙古栎木生大型真菌物种多样性和区系 特征.
- Authors
孙渤洋; 武英达; 员瑗
- Abstract
Wood-inhabiting macrofungi as decomposers of wood play an important role in maintaining the biogeochemical cycle of the ecosystem. Quercus mongolica is one of the main tree species of natural forest and secondary forest in Northeast China. In order to clarify the species composition and flora of wood-inhabiting macrofungi on Q. mongolica, the growth substrate, species composition, ecological habits and floral characteristics of wood-inhabiting macrofungi in Northeast China were investigated and analyzed. Based on investigation and identification, 193 species of wood-inhabiting macrofungi belonging to 110 genera, 39 families and 11 orders were found. The dominant families were Polyporaceae, Hymenochaetaceae, Fomitopsidaceae, Meruliaceae, Steccherinaceae and Auriculariaceae, and the species in these dominant families accounted for 56.99% of the total species. The dominant genera were Polyporus, Trametes, Hymenochaete, Perenniporia and Stereum, and the species in these dominant genera accounted for 15.03% of the total species. In terms of decay types, 89.64% of wood-inhabiting macrofungi cause white decay, and the proportion is distinctly higher than that of brown decay. Species on fallen trees are in the majority, and the minor species are on the base of Q. mongolica trunks. Floral composition shows that the elements of temperate, temperate-subtropical, boreal-temperate and cosmopolitan account for 35.75%, 33.16%, 12.95% and 6.22% respectively. The flora manifests obvious temperate characteristics.
- Subjects
SECONDARY forests; MACROFUNGI; POLYPORACEAE; OAK; SPECIES
- Publication
Mycosystema, 2023, Vol 42, Issue 1, p278
- ISSN
1672-6472
- Publication type
Article
- DOI
10.13346/j.mycosystema.220258