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江西抚河源自然保护区大型真菌多样性与区系特征 被引量:6

Diversity and Flora of Macrofungi in the Fuheyuan Nature Reserve in Jiangxi Province
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摘要 为探究江西抚河源自然保护区大型真菌资源与区系组成成分,采用随机样线法、标准样地法对该保护区内不同生境和植被类型的大型真菌进行调查,以形态特征为主,分子生物学为辅对所采集标本进行鉴定,并分析其区系特征。结果表明:1)抚河源保护区大型真菌种类152种,隶属44科89属;2)多孔菌科(27种,17.76%)、蘑菇科(11种,7.24%)、牛肝菌科(10种,6.58%)、红菇科(10种,6.58%)为该区优势科;红菇属(8种,5.23%)、小皮伞属(8种,5.23%)、鹅膏属(5种,3.27%)、丝齿菌属(5种,3.27%)、多孔菌属(5种,3.27%)为该区优势属;3)保护区内不同植被类型大型真菌的物种丰富度和多样性指数存在显著差异,针阔混交林物种丰富度最高,灌木丛最低,而阔叶林物种多样性指数最高;4)该保护区属的区系地理成分有8个分布型,以世界分布成分(68.54%)为主,其余依次为泛热带成分(15.73%)、北温带成分(10.11%)、热带亚洲—热带美洲分布成分(1.12%)、东亚—北美分布成分(1.12%)、亚洲—欧洲分布成分(1.12%)、地中海区—西亚至中亚分布成分(1.12%)和中国特有成分(1.12%)。该保护区大型真菌区系表现为亚热带向北温带过渡的特征。 In order to explore the resources and flora composition of macrofungi in the Fuheyuan Nature Reserve in Jiangxi,the random sample line method and the standard sample plot method were used to investigate the macrofungi in different habitats and vegetation types in the reserve.Supplemented with molecular biology,the collected specimens were identified by their morphological features,and their flora characteristics were analyzed.The results were as follows.1)Totally,152 species of macrofungi were found in the reserve,belonging to 44 families and 89 genera.2)The dominant families were Polyporaceae(with 27 species,accounted for 17.76%of the total),Agaricaceae(11 species,7.24%),Boletaceae(10 species,6.58%)and Russulaceae(10 species,6.58%);while the dominant genera were Russula(8 species,5.23%),and Marasmius(8 species,5.23%),Amanita(5 species,3.27%),Hyphodontia(5 species,3.27%),and Polyporus(5 species,3.27%).3)There were significant differences in species richness and diversity index among the macrofungi in different vegetation types.Coniferous and broad-leaved mixed forests had the highest species richness,shrubs were the lowest,and broad-leaved forests had the highest species diversity index.4)Eight distribution types of floristic geographical elements were divided,which were mainly composed of the world distribution(68.54%),the pan-tropical component(15.73%),the northern temperate component(10.11%),the tropical Asia-Tropical America distribution(1.12%),and East Asia-North America.Distribution component(1.12%),Asia-Europe distribution component(1.12%),Mediterranean region-Western Asia to Central Asia distribution component(1.12%),and China-specific component(1.12%).The macrofungi flora in this reserve was characterized by the transition from subtropical to north temperate zone.
作者 杨滢 赵兰 陈言柳 林宇岚 张林平 栾丰刚 吴斐 霍光华 颜俊清 YANG Ying;ZHAO Lan;CHEN Yan-liu;LIN Yu-lan;ZHANG Lin-ping;LUAN Feng-gang;WU Fei;HUO Guang-hua;YAN Jun-qing(Key Laboratory of National Forestry and Grassland Administration on Forest Ecosystem Protection and Restoration of Poyang Lake Watershed,Jiangxi Agricultural University,Nanchang 330045,Jiangxi,China;Forestry Science and Technology Extension,Publicity and Education Center in Jiangxi Province,Nanchang 330046,Jiangxi,China;Key Laboratory of Bacteria Resources Conservation and Utilization in Jiangxi Province, Jiangxi Agricultural University,Nanchang 330045,Jiangxi,China)
出处 《西北林学院学报》 CSCD 北大核心 2022年第2期164-169,共6页 Journal of Northwest Forestry University
基金 国家自然科学基金项目(31960008)。
关键词 抚河源 真菌资源 多样性指数 区系成分 Fuheyuan Nature Reserve fungal resource diversity index floristic element
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