Effect of Arboreal Activity on Species Composition and Abundance Estimates of Rodents in a Chaparral Habitat in Southern California

JUHA LAAKKONEN

doi:10.1674/0003-0031(2003)150[0348:EOAAOS]2.0.CO;2

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JUHA LAAKKONEN¹

¹Section of Ecology, Behavior and Evolution, Division of Biology, University of California, San Diego

Abstract

The effect of arboreal activity on species richness and abundance estimates of rodents was investigated in a chaparral habitat in southern California. During 2 y, 60% (2000) and 48% (2001) of the rodent captures were recorded in arboreal traps. There was no significant difference in numbers of rodents caught in arboreal vs. ground-level traps. Excluding juvenile Peromyscus, arboreal trap-success was significantly higher than ground-level trap-success. Arboreal trapping success did not differ significantly between other age groups or sexes in any of the species studied.

Citation Download Citation

JUHA LAAKKONEN "Effect of Arboreal Activity on Species Composition and Abundance Estimates of Rodents in a Chaparral Habitat in Southern California," The American Midland Naturalist 150(2), 348-351, (1 October 2003). https://doi.org/10.1674/0003-0031(2003)150[0348:EOAAOS]2.0.CO;2

Accepted: 1 March 2003; Published: 1 October 2003

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