The influence of broadcast tape-recorded calls on captures of fall migrant Northern Saw-whet Owls (Aegolius acadicus) and long-eared owls (Asio otus)

被引：0
|
作者：
Evans, DL [1 ]
机构：
[1] Hawk Ridge Nat Reserve, Duluth, MN 55812 USA
来源：
BIOLOGY AND CONSERVATION OF OWLS OF THE NORTHERN HEMISPHERE | 1997年 / 190卷
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D O I：
暂无
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Nocturnal netting operations have been conducted at the Hawk Ridge Nature Reserve since 1972. From 1988 to 1992 a recording of human whistles simulating the calls of fall migrant Northern Saw-whet Owls (Aegolius acadicus) was broadcast on a random, on or off, half-night basis. Mist net captures of Saw-whet Owls increased about fourfold during the broadcast sessions, while captures of Long-eared Owls (Asio otus) decreased as much as 24 percent.
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页码：173 / 174
页数：2
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