沉闷科学的掘墓人

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Analyses of mtDNA Branching Times A statistical model was developed to test for the predicted change in branching rates at the species boundary. The overall ai ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Species Delimitation Different quantitative methods for species delimitation were applied, implemented by visual inspection of the variable nucleotide positions and t ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Relative ages of nodes were estimated using the r8s software (Sanderson, 2002) by fitting branch lengths of an ML tree using penalized likelihood and a smooth ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Nondestructive DNA extraction was performed using a Qiagen DNeasy kit. Whole specimens were soaked overnight in extraction buffer at 37°C, with small perforations mad ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Collecting Information and DNA Procedures Specimens were sampled at the edges of temporal salt lakes and salt flats in the Provinces of Western Australia, South Austr ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz The analysis of morphological variation in this group is complicated due to low character variation and nondiscrete differentiation. We hence conducted comprehensive D ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz These observations would suggest the possibility of using analyses of branch lengths on a DNA tree for explicit tests of species boundaries, based on the difference in ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz The prior definition of populations, usually defined geographically, is a critical step in all of these methods, although the focus on individual organisms rather than ...

# 编者信息 熊荣川 明湖实验室 xiongrongchuan@126.com http://blog.sciencenet.cn/u/Bearjazz Current procedures for delimiting species from sequence data aggregate populations lacking discrete differences into a single species (Cracraft, 1983; Davis and Nixon, ...