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Discriminant analysis of skull morphometric characters in Apodemus sylvaticus, A.flavicollis, and A.alpicola [Mammalia: Rodentia] from the Alps

100%

Reutter B. A., Hausser J., Vogel P.

Acta Theriologica

1999

tom 44

nr 3

A total of 108 Apodemus skulls from Switzerland, Austria, Italy, France and Germany was studied to determine morphological characteristics useful in identifying individuals as Apodemus syluaticus (Linnaeus, 1758), A. flavicollis (Melchior, 1834) or A. alpicola Heinrich, 1952. The original assignment of the samples to the three species was based on molar cusp morphology, body proportions, pelage coloration, and allozyme analysis. The 24 measured crania! characters used together accurately discriminated between the three species and correctly classified 100% of the individuals to species. A stepwise discriminant function analysis showed that 6 cranial characters are sufficient to differentiate between the three species, with a correct classification above 97%. Fisher's linear discriminant function coefficients can be used directly for classification of unknown specimens.

Ograniczanie wyników

1 Acta Theriologica

1 Hausser J.

1 Reutter B. A.

1 Vogel P.

1 1999

Wyniki wyszukiwania

Discriminant analysis of skull morphometric characters in Apodemus sylvaticus, A.flavicollis, and A.alpicola [Mammalia: Rodentia] from the Alps