EFFECTS OF RADIO TAGS ON SPOTTED OWLS

被引：56

作者：

PATON, PWC

ZABEL, CJ

NEAL, DL

STEGER, GN

TILGHMAN, NG

NOON, BR

机构：

[1] US FOREST SERV,PACIFIC SW FOREST & RANGE EXPT STN,ARCATA,CA 95521

[2] US FOREST SERV,PACIFIC SW FOREST & RANGE EXPT STN,FRESNO,CA 93710

来源：

JOURNAL OF WILDLIFE MANAGEMENT | 1991年 / 55卷 / 04期

关键词：

D O I：

10.2307/3809508

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Fifteen of 47 radio-tagged northern spotted owls (Strix occidentalis caurina) died during a 2-year study in northern California, and 11 of 33 radio-tagged California spotted owls (S. o. occidentalis) died in 2.5 years in the Sierra Nevada. Female owls with 19-g radio tags had significantly lower annual survival rates than color-banded females (P = 0.006) after a forest fire in 1987 in the Klamath Mountains. There were no differences in annual survival rates between males with and without radio tags. In 1988, fewer radio-tagged pairs (17%) fledged young than color-banded pairs (88%) (P < 0.001), and in 1989 radio-tagged pairs nested (7%) less often than color-banded owls (64%) (P = 0.0002). We suggest that spotted owl researchers avoid using backpack-mounted radio tags.

引用

页码：617 / 622

页数：6

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