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毛乌素沙地柠条群体分子生态学初步研究:RAPD证据
引用本文:魏伟,王洪新,胡志昂,钟敏,恽锐,钱迎倩.毛乌素沙地柠条群体分子生态学初步研究:RAPD证据[J].生态学报,1999,19(1):16-22.
作者姓名:魏伟  王洪新  胡志昂  钟敏  恽锐  钱迎倩
作者单位:1. 中国农业大学生物技术室,北京100094
2. 中国科学院植物研究所,北京,100093
摘    要:毛乌素沙地柠条群体是一个杂种带,为了进一步阐明分子变异和基因流与生境或生态过渡带的联系,应用RAPD标记开展了柠条群体的分子生态学研究。根据RAPD数据利用Shannon信息指数估计了6个柠条群体的遗传多样性,发现大部分的分子变异存在于柠条群体之内(82.4%),只有少部分的分子变异存在于群体之间(17.6%),又利用ei指数统计了RAPD数据,也证实了大部分的遗传变异存在于群体之间,柠条锦鸡儿群

关 键 词:毛乌素沙地  生态过渡带  分子生态学  柠条  沙地
收稿时间:1996/12/6 0:00:00
修稿时间:1997/7/26 0:00:00

PRIMARY STUDIES ON MOLECULAR ECOLOGY OF Caragana spp.POPULATIONS DISTRIBUTED OVER MAOWUSU SANDY GRASSLAND:FROM RAPD DATA
WEI Wei,WANG Hongxin,HU Zhi''ang,ZHONG Min,YUN Rui and QIAN Yingqian.PRIMARY STUDIES ON MOLECULAR ECOLOGY OF Caragana spp.POPULATIONS DISTRIBUTED OVER MAOWUSU SANDY GRASSLAND:FROM RAPD DATA[J].Acta Ecologica Sinica,1999,19(1):16-22.
Authors:WEI Wei  WANG Hongxin  HU Zhi'ang  ZHONG Min  YUN Rui and QIAN Yingqian
Institution:Institute of Botany; Chinese; Academy of Sciences; Beijing; China
Abstract:To reveal the relationship between molecular variation,gene flow and the habitats,RAPD markers were used to study the molecular ecology of Caragana spp.populations in Maowusu sandy grassland.Estimated by Shannon phenotypic diversity index from RAPD data,it was found that 82 4% of molecular variation existed within the populations while 17 6% of which among populations.The genetic different coefficient and genetic distance between populations of C.korshinskii and of C.intermedia ...
Keywords:hybrid zone  ecotone  RAPD markers  molecular ecology  gene flow  Shannon  index  Nei index  Caragana spp  populations    
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