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5. Population density and control efficacy of field rodents at Bai-Sha, Penghu
RESEARCH BULLETIN OF KAOHSIUNG DISTRICT AGRICULTURAL IMPROVEMENT STATION
Volume 12, Number 2 December, 2000
Population density and control efficacy of field rodents at
Bai-Sha, Penghu
Tsai, C. C. and Chiu, J. T.1
Abstract
Population densities of field rodents were investigated by remove trapping method at Bai-Sha, Penghu from 1997 to 1999. Only Mus formosanus and Rattus losea were found. The ratio of Mus formosanus to Rattus losea was 1:1.3 before control, and was 4:1 after control. Mus formosanus was the dominent. The average density was 73.7 per hectare before control and dropped to 2.1 after control. The control was 97.2%.
Key words: Mus formosanus、Rattus losea、Removel trapping、Rodent pest control
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2024/05/05