Southern Hemisphere Biogeography Inferred by Event-Based Models: Plant versus Animal Patterns
TLDR
The results confirm the hybrid origin of the South American biota: there has been surprisingly little biotic exchange between the northern tropical and the southern temperate regions of South America, especially for animals.Abstract:
The Southern Hemisphere has traditionally been considered as having a fundamentally vicariant history. The common trans-Pacific disjunctions are usually explained by the sequential breakup of the supercontinent Gondwana during the last 165 million years, causing successive division of an ancestral biota. However, recent biogeographic studies, based on molecular estimates and more accurate paleogeographic reconstructions, indicate that dispersal may have been more important than traditionally assumed. We examined the relative roles played by vicariance and dispersal in shaping Southern Hemisphere biotas by analyzing a large data set of 54 animal and 19 plant phylogenies, including marsupials, ratites, and southern beeches (1,393 terminals). Parsimony-based tree fitting in conjunction with permutation tests was used to examine to what extent Southern Hemisphere biogeographic patterns fit the breakup sequence of Gondwana and to identify concordant dispersal patterns. Consistent with other studies, the animal data are congruent with the geological sequence of Gondwana breakup: (Africa(New Zealand(southern South America, Australia))). Trans-Antarctic dispersal (Australia southern South America) is also significantly more frequent than any other dispersal event in animals, which may be explained by the long period of geological contact between Australia and South America via Antarctica. In contrast, the dominant pattern in plants, (southern South America(Australia, New Zealand)), is better explained by dispersal, particularly the prevalence of trans-Tasman dispersal between New Zealand and Australia. Our results also confirm the hybrid origin of the South American biota: there has been surprisingly little biotic exchange between the northern tropical and the southern temperate regions of South America, especially for animals.read more
Citations
More filters
Journal ArticleDOI
Biogeography of Trimerotropis pallidipennis (Acrididae: Oedipodinae): deep divergence across the Americas
Martin Husemann,Noelia Verónica Guzmán,Patrick D. Danley,María Marta Cigliano,Viviana A. Confalonieri +4 more
TL;DR: This article used a molecular clock approach to correlate geological events with observed phylogenetic splits and demonstrated the existence of three distinct genetic lineages in the Trimerotropis pallidipennis species complex.
Journal ArticleDOI
Phylogeny of the tribe Colletieae (Rhamnaceae) – a sensitivity analysis of the plastid region trnL-trnF combined with morphology
TL;DR: The phylogenetic relationships within the tribe Colletieae (Rhamnaceae) were examined combining data from a previous morphological analysis with data from the trnL-F spacer, and the results strongly suggest segregating D. nana and D. trinervis, and re-establishing the genus Ochetophila.
Journal Article
Phylogenetic and biogeographic analysis of the anisopodadea (diptera, bibionomorpha), with an area dadogram of the intercontinental relationships
D S Amorim,S H S Tozoni +1 more
Journal ArticleDOI
The extraordinary journey of Peperomia subgenus Tildenia (Piperaceae): Insights into diversification and colonization patterns from its cradle in Peru to the Trans-Mexican Volcanic Belt
Lars Symmank,Marie-Stéphanie Samain,James F. Smith,Guillermo Pino,Alexandra Stoll,Paul Goetghebeur,Christoph Neinhuis,Stefan Wanke +7 more
TL;DR: A strong correlation between diversification of Tildenia and orogenetic events in the respective distribution centres is detected, providing support for a south-north colonization towards Central America and Mexico, and providing additional, independent evidence for the latest view on the timing of the Great American Biotic Interchange.
Book ChapterDOI
Third genus of Parastenocaridid Copepods from Australia supported by molecular evidence (Copepoda, Harpacticoida)
TL;DR: The first ever case of two sympatric parastenocaridids in Australia, which are a rare group on this continent, is reported on, and a very strong seasonal dynamics in this subterranean community was observed, and this is a novel concept for these ecosystems globally.
References
More filters
Journal ArticleDOI
An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG II
TL;DR: A revised and updated classification for the families of the flowering plants is provided in this paper, which includes Austrobaileyales, Canellales, Gunnerales, Crossosomatales and Celastrales.
Journal ArticleDOI
Comparison of phylogenetic trees
D. F. Robinson,L. R. Foulds +1 more
TL;DR: The metric presented in this paper makes possible the comparison of the many nonbinary phylogenetic trees appearing in the literature, and provides an objective procedure for comparing the different methods for constructing phylogenetics trees.
Journal Article
An update of the angiosperm phylogeny group classification for the orders and families of flowering plants : APGII
Journal ArticleDOI
Dispersal-Vicariance Analysis: A New Approach to the Quantification of Historical Biogeography
TL;DR: This work presents a new biogeographic method, dispersal-vicariance analysis, which reconstructs the ancestral distributions in a given phylogeny without any prior assumptions about the form of area relationships, and describes the algorithms that find the optimal reconstruction.