Trapping Capabilities of Two Live-Traps Used on Two Species of Field Mice, Apodemus speciosus and A.argenteus

概要

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Sherman traps and cage traps have been used for the live trapping of two Apodemus mice, A. speciosus and A. argenteus, without regard to their trapping capability. We conducted trap-choice trials for the two species of mice in an indoor arena and in a deciduous broad-leaved forest in Tochigi Prefecture to examine the trapping capability of these two traps. The Sherman traps caught more individuals of both species of mice than the cage traps in both trials. In indoor trials, where the two raps had the same likelihood of being visited by a mouse, all individual mice visited the two traps randomly. The trapping capability of a trap was expressed by the ratio of the number of captures to that of visits to the trap. The Sherman traps had a higher efficiency for both mice than the cage traps. The difference in the number of individuals caught in the two traps in both trials could be explained mainly by the different efficiencies of these traps. The results suggest that the trapping efficiency of the Sherman traps is higher than that of the cage traps, especially for A. argenteus.
日本応用動物昆虫学会の論文
1993-11-25