Craig Moritz is at the Dept of Zoology and Centre for Conservation Biology, The University of
Queensland, Qld 4072, Australia. w riting in the first issue of TREE, Ryder'brought the term …

An appreciation of the scale and frequency of climatic oscillations in the past few million
years is modifying our views on how evolution proceeds. Such major events caused …

The multispecies coalescent model underlies many approaches used for species
delimitation. In previous work assessing the performance of species delimitation under this …

Phylogeography is a discipline concerned with various relationships between gene
genealogies—phylogenetics—and geography. The word “phylogeography” was coined in …

The genetic effects of pleistocene ice ages are approached by deduction from
paleoenvironmental information, by induction from the genetic structure of populations and …

Hylidae is a large family of American, Australopapuan, and temperate Eurasian treefrogs of
approximately 870 known species, divided among four subfamilies. Although some groups …

VENOM composition within snake species can show considerable geographical variation1,
an important consideration because bites by conspecific populations may differ in …

Genetic data are frequently used to delimit species, where species status is determined on
the basis of an exclusivity criterium, such as reciprocal monophyly. Not only are there …

The known diversity of dart-poison frog species has grown from 70 in the 1960s to 247 at
present, with no sign that the discovery of new species will wane in the foreseeable future …

Patterns of variation in mitochondrial DNA (mtDNA) increasingly are being investigated in
threatened or managed species, but not always with clearly defined goals for conservation …