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魁蚶4个地理群体ITS序列变异及系统发生分析
魁蚶 地理群体 ITS-1 ITS-2 遗传变异
2015/6/2
为充分了解我国魁蚶种质资源状况,准确定位魁蚶的养殖育种模式,本研究采用聚合酶链式反应(PCR)对采自山东蓬莱(PL)、山东黄岛(HD)、江苏前三岛(QSD)及韩国统营(KTY)4个地理群体魁蚶样本的核糖体RNA两个内转录间隔区域(ITS-1和ITS-2)进行扩增,经测序比对后分别获得长度为468bp和541bp(包含引物、插入/缺失位点)的序列。序列比对结果表明, ITS区序列变异相对较高,但4个...
Restoration of a river backwater and its influence on fish assemblage
rehabilitation monitoring colonisation floodplain Morava River assemblage development adult fish 0+ fish freshwater
2015/6/1
The development of fish assemblage in a restored river backwater (Kurfürst backwater, Morava River, Czech Republic) was monitored over a six-year period from its restoration. The structure of fish a...