内蒙古罕山国家级自然保护区大型真菌多样性

Macrofungal diversity in Hanwula National Nature Reserve, Inner Mongolia

本文对内蒙古罕山国家级自然保护区800余份大型真菌标本进行了研究,结合形态特征和ITS序列鉴定出308种,隶属于2门4纲14目45科108属。在科属组成上,优势科为红菇科Russulaceae、蘑菇科Agaricaceae、丝盖伞科Inocybaceae等共8科,含195种,分别占总科数、总种数的17.78%和63.31%;优势属为红菇属Russula、丝盖伞属Inocybe、蘑菇属Agaricus等共15属,分别占总属数、总种数的13.89%和54.87%。在地理分布上,以世界广布种和北温带分布种为主,分别含有128种和107种,占总种数的41.56%和34.74%,表现出明显的北温带区系特征,但不同植被类型中大型真菌多样性差异显著。

Macrofungi in Hanwula National Nature Reserve in Inner Mongolia were investigated. More than 800 specimens collected represent 308 species belonging to 108 genera, 45 families, 14 orders, 4 classes, and 2 phyla based on morphological identification and ITS evidence. Among them, 195 species in 8 families were dominant. Russulaceae, Agaricaceae and Inocybaceae account for 17.78% of the total families, containing63.31% of the total species. Of the 15 dominant genera(containing 169 species) Russula, Inocybe and Agaricus(accounting for 13.89% of the total genera) make up 54.87% of the total species. Foristic analysis indicated that 128 species were cosmopolitan and 107 north-temperate, occupying 41.56% and 34.74% of the total species respectively. The results suggest that Hanwula National Nature Reserve region shows fundamentally north-temperate mycogeographically, but the macrofungal diversity varies with different vegetation types.