Abstract

To meet the need for wood in the African savanna zone, forest plantations have been established since the 1930s. Exotic tree species of the genera Pinus and Eucalyptus are the major groups planted in the Western Highlands of Cameroon where they form artificial forests whose mycoflora is not yet documented. This study aimed at comparing the macro-fungi diversity in mature eucalyptus and pine plantations in tropical savannas, particularly in the Melap Forest Reserve. Four permanent plots of 1000 m² were installed in each plant community, sporophores were collected and identified from April to June 2016; species richness and generic diversity were calculated. A total of 125 species were inventoried. Taxonomic diversity was significantly higher in Eucalyptus communities than in Pinus communities, with 107 and 33 species respectively. The number of ectomycorrhizal species was higher in the eucalyptus plots where a few locally consumed species were found. The mycofloral abundance in Eucalyptus communities is explained by the presence of local tree species hosting ectomycorrhizal fungi, such as Uapaca guineensis.

抽象的

为了满足非洲热带稀树草原地区对木材的需求，自1930年代以来已经建立了人工林。松树和桉树属的外来树种是在喀麦隆西部高地种植的主要树种，在那里它们形成了尚未有支原体记录的人工林。这项研究旨在比较热带稀树草原，特别是美拉普森林保护区中成熟桉树和松树人工林的大型真菌多样性。在每个植物群落中安装了四个1000 m ^2的永久性地块，从2016年4月至2016年6月收集并鉴定了孢子体。计算物种丰富度和通用多样性。总共盘点了125种。分类学多样性显着高于桉树群落比松属群落要多，分别有107和33种。在发现了一些当地消费物种的桉树地块中，外生菌根种类的数量更高。桉树群落中的分支菌丰富度是由存在着外生菌根真菌的当地树种（例如Uapaca guineensis）所解释。