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新疆北部小孢发属地衣初步研究 被引量:3

A Preliminary Study of the Bryoria Lichens in Northern Xinjiang
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摘要 新疆北部山脉生态环境多样,是地衣生长分布的理想区域。作者根据多年的实地调查和前人研究资料,对新疆北部小孢发属(Bryoria Brodo&D.Hawksw.)地衣的种类及其分布、地理成分和垂直分布进行了初步研究。结果表明,分布在新疆北部的小孢发属地衣共有10种,它们分别是钢灰小孢发B.chalybeiformis(L.)Brodo&D.Hawksw.、刺小孢发B.confusa(D.D.Awasthi)Brodo&D.Hawksw.、叉小孢发B.furcellata(Fr.)Brodo&D.Hawksw.、暗褐小孢发B.fuscescens(Gyeln.)Brodo&D.Hawksw.、绵毛小孢发B.lanestris(Ach.)Brodo&D.Hawksw.、B.nadvornikiana(Gyeln.)Brodo&D.Hawksw.、光亮小孢发B.nitidula(Th.Fr.)Brodo&D.Hawksw.、假暗褐小孢发B.pseudofuscescens(Gyeln.)Brodo&D.Hawksw.、单一小孢发B.simplicior(Vain.)Brodo&D.Hawksw.及毛状小孢发原亚种B.trichodesssp.trichodes(Michx.)Brodo&D.Hawksw.等,主要分布在天山和阿勒泰山。新疆北部小孢发属地衣可划分为3种地理成分:(1)环北极-高山种Bryoria chalybeiformis、B.nitidula、B.furcellata;(2)环低北极及北方种B.simplicior;(3)环北方种B.fuscescens、B.lanestris、B.nadvornikiana、B.pseudofuscescens。阿勒泰山和天山的小孢发属地衣具明显的垂直分布差异。 The species diversity, geographical elements, and vertical distribution of the lichen genus Bryoria Brodo & D. Hawksw. from Tianshan and Ahay Mountains in Northern Xinjiang were addressed. Nine species, B. chalybeiformis (L.) Brodo & D. Hawksw. , B. confusa (D. D. Awasthi ) Brodo & D. Hawksw. ,B. furcellata (Fr.) Brodo & D. Hawksw. , B. fuscescens (Gyeln.) Brodo & D. Hawksw. , B. lanestris (Ach.) Brodo & D. Hawksw. , B. nadvornikiana (Gyeln.) Brodo & D. Hawksw. , B. nitidula (Th. Fr. ) Brodo & D. Hawksw. , B. pseudofuscescens (Gyeln.) Brodo & D. Hawksw. , B. simplicior (Vain.) Brodo & D. Hawksw. , and one subspecies B. trichodes ssp. trichodes (Miehx.) Brodo & D. Hawksw. were listed in the lichen flora of Xinjiang. They were classified into three geographical elements, (1) Circumpolar arctic and high mountain species; (2)Circumpolar low arctic and boreal species; (3) Circumpolar boreal species. The vertical distribution characteristics of Bryoria lichens in Altay and Tianshan Mountains were analyzed.
出处 《武汉植物学研究》 CAS CSCD 北大核心 2009年第4期437-440,共4页 Journal of Wuhan Botanical Research
基金 国家自然科学基金资助项目(30750012 30860003) 新疆维吾尔自治区高等学校科学研究计划(XJEDU2007I04)资助
关键词 小孢发属 地衣 地理成分 区系组成 新疆 Bryoria Lichens Geographical element Flora Xinjiang
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参考文献18

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