Journal Article
Biogeographical revision of Argentina (Andean and Neotropical Regions): an analysis using freshwater fishes
Lopez, H.L., Menni, R.C., Donato, M. and Miquelarena, A.M.
Record Number:
5739
Year:
2008
Journal:
Journal of Biogeography
Pages:
1564-1579
Volume:
35
Abstract:
Aim To provide an objective geographic framework displaying the distribution
patterns of freshwater fishes from Argentina.
Location Argentina, southern South America.
Methods Parsimony analysis of endemicity (PAE) and similarity and cluster
analyses were applied to presence and absence data on 440 fish species from 52
localities in Argentina. Both 50% majority consensus and strict consensus
analyses were undertaken in the first case, and the Jaccard similarity index was
used in the second.
Results Five ichthyogeographic provinces are described based on a PAE of the
52 localities. A cluster analysis provided similar results.
Main conclusions The following zoogeographic provinces are proposed for
Argentine freshwater fish fauna following the International Code of Area
Nomenclature: Andean Cuyan, Patagonian, Aymaran, Great Rivers and Pampean.
The former two are placed within the Andean Subregion of the Austral Region,
and the latter three within the Neotropical Subregion of the Holotropical Region.
These provinces, based on results coinciding with PAE and cluster analysis,
represent the first classification of Argentine provinces based on objective
methods. Some small regions of endemism and some localities remain separated
from the proposed regions. The new scheme includes valuable empirical
information from previous schemes, and is in agreement with ecological zones
and other environmental arrangements proposed earlier.
Keywords
Areas of endemism, Argentina, biogeography, freshwater fishes, ichthyogeographic
provinces, limnology, Neotropics, PAE.
Times Cited:
1
Relevent Species:
Related Records:
Arratia, G., Chang, A., Menu-Marque, G. and Rojas, M. (1978)
About Bullockia gen. nov., Trichomycterus mendozensis n. sp. and revision of the family Trichomycteridae (Pisces, Siluriformes)
Arratia, G. (1998)Silvinichthys, a new genus of trichomycterid catfishes from the Argentinian Andes, with redescription of Trichomycterus nigricans
Fernandez, L. and de Pinna, M.C.C. (2005)Phreatic catfish of the genus Silvinichthys from southern South America (Teleostei, Siluriformes, Trichomycteridae)
Fernandez, L. (2005)Risk of extinction of a rare catfish of Andean groundwater and its priority for conservation
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