Species differences and temporal variation of non-metric characters in Apodemus flavicollis and A. sylvaticus populations (Mammalia: Rodentia)

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Variation in seven non-metric traits of 510 Apodemus flavicollis (Melchior, 1834) and 494 A. sylvaticus (Linnaeus, 1758) trapped in a suburban forest on the periphery of Prague during the years 1987-1993 was studied. Effects of species, age, sex, season, asymmetry and time on individual traits were examined. All traits exhibited differences between species, three traits were age dependent, one trait was sexually dimorphic. No traits exhibited directional asymmetry. ln each species four traits were affected by considerable rapid changes in time. These changes were expressed as differences between low abundance years (or preceding peak) and consecutive periods. This phenomenon can be interpreted as an evidence for rapid genetic changes associated with the population depression. Alternative non-genetic explanations are discussed. … full description

Bibliographic Details

Main Author

Jovana Sádlová, 1970-

Other Authors

Daniel Frynta, 1963-

Document Type

Articles

Physical Description

Grafy.

Published in

Acta Societatis zoologicae Bohemicae. -- ISSN 1211-376X. -- Roč. 65, č. 2 (2001), s. 97-104

Subjects

epigenetické varianty > malá populace > genetický drift > Myšice křovinná > epigenetic variants > small population > bottle-necking > genetic drift > wood mice

články

journal articles

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