Arid
DOI10.1002/tax.592015
The South American Biogeographic Transition Zone: An analysis from Asteraceae
Urtubey, Estrella2; Stuessy, Tod F.3; Tremetsberger, Karin4; Morrone, Juan J.1
通讯作者Morrone, Juan J.
来源期刊TAXON
ISSN0040-0262
EISSN1996-8175
出版年2010
卷号59期号:2页码:505-509
英文摘要

In order to elucidate the biotic diversification of Asteraceae inhabiting the South American Transition Zone, we undertook a panbiogeographic analysis (based on a parsimony analysis of endemicity) and a cladistic biogeographic analysis. The study units were the six biogeographic provinces of this zone plus the seven subregions of the Neotropical and Andean regions, considered as "outgroups". Species analyzed belonged to the genera Arnaldoa, Barnadesia, Belloa, Berroa, Chevreulia, Chuquiraga, Cuatrecasiella, Dasyphyllum, Doniophyton, Duseniella, Facellis, Fulcaldea, Gamochaetopsis, Huarpea, Hypochaeris, Jalcophila, Luciliocline, and Schlechtendalia. A parsimony analysis of endemicity, based on presence/absence data of the 66 individual tracks ranged on two or more areas, allowed to identify four generalized tracks: (1) Coastal Peruvian Desert and Puna provinces; (2) Central Chilean, Patagonian, and Subantarctic subregions; (3) Amazonian, Chacoan, and Parana subregions; and (4) Puna province and Parana and Chacoan subregions. The Puna and Parana provinces, connected with two different generalized tracks each, constitute nodes. A cladistic biogeographic analysis, based on the paralogy-free subtrees extracted from the taxonomic area cladograms of Barnadesia, Chuquiraga, Dasyphyllum, Hypochaeris, and the Lucilia group, allowed obtaining a general area cladogram, which indicates a basic separation between the Atacama, Monte, and Prepuna provinces closely related to the Andean region, and the North Andean Paramo, Coastal Peruvian Desert, and Puna provinces closely related to the Neotropical region. Our results corroborate once again the transitional character of the provinces assigned to the South American Transition Zone, and allow speculating on their close affinities with the Andean and Neotropical regions.


英文关键词cladistic biogeography evolutionary biogeography general area cladogram generalized tracks parsimony analysis of endemicity panbiogeography South America
类型Article
语种英语
国家Mexico ; Argentina ; Austria ; Spain
收录类别SCI-E
WOS记录号WOS:000276617400015
WOS关键词CLADISTIC BIOGEOGRAPHY ; PARSIMONY ANALYSIS ; BARNADESIOIDEAE ; MORPHOLOGY ; PHYLOGENY ; AREAS ; GENUS
WOS类目Plant Sciences ; Evolutionary Biology
WOS研究方向Plant Sciences ; Evolutionary Biology
来源机构Universidad Nacional Autónoma de México
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/166516
作者单位1.Univ Nacl Autonoma Mexico, Fac Ciencias, Dept Evolut Biol, Museo Zool Alfonso L Herrera, Mexico City 04510, DF, Mexico;
2.Inst Bot Darwin, Buenos Aires, DF, Argentina;
3.Univ Vienna, Fac Ctr Biodivers, Dept Systemat & Evolutionary Bot, A-1030 Vienna, Austria;
4.Univ Seville, Dept Biol Vegetal & Ecol, E-41080 Seville, Spain
推荐引用方式
GB/T 7714
Urtubey, Estrella,Stuessy, Tod F.,Tremetsberger, Karin,et al. The South American Biogeographic Transition Zone: An analysis from Asteraceae[J]. Universidad Nacional Autónoma de México,2010,59(2):505-509.
APA Urtubey, Estrella,Stuessy, Tod F.,Tremetsberger, Karin,&Morrone, Juan J..(2010).The South American Biogeographic Transition Zone: An analysis from Asteraceae.TAXON,59(2),505-509.
MLA Urtubey, Estrella,et al."The South American Biogeographic Transition Zone: An analysis from Asteraceae".TAXON 59.2(2010):505-509.
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