| genealogy and palaeodrainage basins in yunnan province: phylogeography of the yunnan spiny frog, nanorana yunnanensis (dicroglossidae). | historical drainage patterns adjacent to the qinghai-tibetan plateau differed markedly from those of today. we examined the relationship between drainage history and geographic patterns of genetic variation in the yunnan spiny frog, nanorana yunnanensis, using approximately 981 base pairs of mitochondrial dna partial sequences from protein-coding genes nd1 and nd2, and intervening areas including complete trna(ile), trna(gln) and trna(met). two null hypotheses were tested: (i) that genetic patte ... | 2010 | 20666999 |