Canonical trend surface analysis of morphometric variation in Africanized honey bees from Brazil

publication date: Jun 15, 2010
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Journal of Apicultural Research
Vol. 34 (2) pp.65-72
Date
March 1995
 
Article Title

Canonical trend surface analysis of morphometric variation in Africanized honey bees from Brazil

Author(s)

Jose Alexandre Felizola Diniz-Filho

Abstract
Canonical trend surface analysis (CTSA) is a powerful multivariate statistical method that finds linear combinations of morphological data which have maximum correlation with geographic space. In this paper, CTSA was applied to morphometric variation among 42 Africanized honey bee populations from Brazil. Results were compared with principal component analysis (PCA) and matrix comparison between D2 Mahalanobis and geographic distances, using the Mantel test. CTSA can be more effective than other multivariate techniques in describing multivariate spatial patterns and, consequently, in suggesting evolutionary explanations for their origin.
Keywords

Africanized honey bees, Apis mellifera, geographical variation, biogeography, multivariate analysis, morphometries, spatial analysis, canonical trend surface analysis, principal component analysis, migration, clines, evolution, Brazil

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