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  Multivariate analyses of the biometric features from Philippine sardines – implications for the phylogenetic relationships of the freshwater Sardinella tawilis (Teleostei, Clupeomorpha)

Samonte, I. E., Canlas, R. A., Alvia, K., Carvajal, T., & Pagulayan, R. C. (2009). Multivariate analyses of the biometric features from Philippine sardines – implications for the phylogenetic relationships of the freshwater Sardinella tawilis (Teleostei, Clupeomorpha). Journal of Zoological Systematics and Evolutionary Research, 47(1), 21-24. doi:10.1111/j.1439-0469.2008.00517.x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D5EF-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D5F0-9
Genre: Journal Article

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Samonte, I.E., et al. 2009.pdf (Publisher version), 261KB
 
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Samonte, I.E., et al. 2009.pdf
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 Creators:
Samonte, Irene E.1, Author              
Canlas, Racelle Ann, Author
Alvia, Kenneth, Author
Carvajal, Thaddeus, Author
Pagulayan, Roberto C., Author
Affiliations:
1Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445634              

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Free keywords: Sardinella tawilis; multivariate analyses; Hierarchical Cluster Analysis; biometrics; Lake Taal; PCA
 Abstract: Philippine sardines are members of the commercially important Sardinella genus (Family Clupeidae). Sardines are mostly marine species with a very few exception like the Philippine freshwater sardine, Sardinella tawilis, of Lake Taal. This species is believed to have immigrated from Balayan Bay some 250 years ago. To determine the relationship of freshwater S. tawilis to the marine forms, 35 biometric features were investigated. The variables were subjected to univariate (mean, standard deviation and coefficient of variance) and multivariate analyses [Principal Component Analysis (PCA) and Hierarchical Cluster Analysis]. Results from univariate tests revealed that the number of ventral fin ray can discriminate Sardinella lemuru from the rest of the sardines. Multivariate PCA, on the other hand, showed discrete separation of the marine sardines. Sardinella tawilis, however, cannot be clearly separated from the marine species, Sardinella albella. The same clustering was recovered in HCA, thus providing evidence that S. albella is the closest marine relative of the freshwater S. tawilis.

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Language(s): eng - English
 Dates: 2009-02
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: eDoc: 403399
DOI: 10.1111/j.1439-0469.2008.00517.x
Other: 2678/S 38963
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Title: Journal of Zoological Systematics and Evolutionary Research
  Alternative Title : J Zool Syst Evol Res
Source Genre: Journal
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Pages: - Volume / Issue: 47 (1) Sequence Number: - Start / End Page: 21 - 24 Identifier: ISSN: 0044-3808; 0947-5745 (print)
ISSN: 1439-0469 (online)